阅读说明：本技术 一种高增韧聚酯胎及其制备方法 (High-toughness polyester tire and preparation method thereof ) 是由 隋禄吉 于 2021-09-13 设计创作，主要内容包括：本发明适用于防水卷材技术领域,提供了一种高增韧聚酯胎及其制备方法,该高增韧聚酯胎包括以下按照重量份计的组分：聚酯800～1000份、改性热塑性弹性体50～150份；所述改性热塑性弹性体为经改性剂接枝改性的热塑性弹性体；所述改性剂由1,3,5-三(3,3,3-三氟丙基)三甲基环三硅氧烷和环氧基改性聚硅氧烷进行反应制成。本发明通过使用由1,3,5-三(3,3,3-三氟丙基)三甲基环三硅氧烷和环氧基改性聚硅氧烷反应制成的改性剂对热塑性弹性体进行接枝改性,可以将环氧基、硅氧健、环状结构的基团、氟基团等引入到热塑性弹性体中,从而可以显著提高聚酯胎的韧性、耐热性和防水性能。(The invention is suitable for the technical field of waterproof coiled materials, and provides a high-toughness polyester tire and a preparation method thereof, wherein the high-toughness polyester tire comprises the following components in parts by weight: 800-1000 parts of polyester and 50-150 parts of modified thermoplastic elastomer; the modified thermoplastic elastomer is a thermoplastic elastomer grafted and modified by a modifier; the modifier is prepared by reacting 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and epoxy modified polysiloxane. According to the invention, the modifier prepared by the reaction of 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and epoxy modified polysiloxane is used for graft modification of the thermoplastic elastomer, so that epoxy, siloxane bond, groups with a ring structure, fluorine groups and the like can be introduced into the thermoplastic elastomer, and the toughness, heat resistance and waterproof performance of the polyester tire can be obviously improved.)

1. The high-toughness polyester tire is characterized by comprising the following components in parts by weight: 800-1000 parts of polyester and 50-150 parts of modified thermoplastic elastomer; the modified thermoplastic elastomer is a thermoplastic elastomer grafted and modified by a modifier; the modifier is prepared by reacting 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and epoxy modified polysiloxane.

2. The high tenacity polyester tire according to claim 1, comprising the following components in parts by weight: 850-950 parts of polyester and 80-120 parts of modified thermoplastic elastomer.

3. The high tenacity polyester tire according to claim 1 or 2, wherein the polyester comprises polyethylene terephthalate and carboxyl-terminated hyperbranched polyester, wherein the mass ratio of the polyethylene terephthalate to the carboxyl-terminated hyperbranched polyester is (6-8) to (1-3).

4. The high tenacity polyester tire as claimed in claim 1, wherein the preparation method of the modifier comprises the following steps:

placing 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, epoxy modified polysiloxane and a catalyst in a solvent for mixing, placing at the temperature of 65-75 ℃ for reaction, and then removing the solvent to obtain the modifier.

5. The high tenacity polyester tire as claimed in claim 1 or 4, wherein the mass ratio of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane to epoxy-modified polysiloxane is 1 (1-3).

6. The high tenacity polyester tire according to claim 1 or 2, wherein the preparation method of the modified thermoplastic elastomer comprises the following steps:

and (2) dispersing and mixing the modifier, the thermoplastic elastomer and the initiator in a solvent, irradiating the mixture by ultraviolet rays at the temperature of 55-65 ℃, and removing the solvent to obtain the modified thermoplastic elastomer.

7. The high tenacity polyester tire according to claim 6, wherein the thermoplastic elastomer is a styrenic thermoplastic elastomer.

8. A method for preparing a high tenacity polyester tire as claimed in any one of claims 1 to 7, comprising the steps of:

weighing polyester and modified thermoplastic elastomer according to the weight parts of the components;

polyester and the modified thermoplastic elastomer are mixed, melt-extruded and then subjected to hot stretching to obtain the polyester tire.

9. The method for preparing the high tenacity polyester tire according to claim 8, wherein in the step, the temperature of melt extrusion is 260-280 ℃, and the temperature of hot stretching is 150-180 ℃.

10. A polyester tire obtained by the production method according to any one of claims 8 to 9.

Technical Field

The invention belongs to the technical field of waterproof coiled materials, and particularly relates to a high-toughness polyester tire and a preparation method thereof.

Background

Polyester padding, also known as polyester felt base cloth, is a non-woven fabric, often used as padding base cloth for existing waterproof rolls. The toughness of the existing polyester tire is generally improved by adding a certain amount of toughening agent in the polyester raw material so as to ensure the excellent mechanical property and the service life of the waterproof coiled material.

However, the toughening agent added to the existing polyester tire is generally a linear high molecular compound or an inactive rubber elastomer, which can improve the toughness of the polyester tire, but can cause the heat resistance and the waterproof performance of the polyester tire to be reduced.

Disclosure of Invention

The embodiment of the invention aims to provide a high-toughness polyester tire and a preparation method thereof, and aims to solve the problems in the background art.

The embodiment of the invention is realized in such a way that the high-toughness polyester tire comprises the following components in parts by weight: 800-1000 parts of polyester and 50-150 parts of modified thermoplastic elastomer; the modified thermoplastic elastomer is a thermoplastic elastomer grafted and modified by a modifier; the modifier is prepared by reacting 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and epoxy modified polysiloxane.

As a preferable scheme of the embodiment of the invention, the composition comprises the following components in parts by weight: 850-950 parts of polyester and 80-120 parts of modified thermoplastic elastomer.

As another preferable scheme of the embodiment of the invention, the polyester comprises polyethylene terephthalate and carboxyl-terminated hyperbranched polyester, wherein the mass ratio of the polyethylene terephthalate to the carboxyl-terminated hyperbranched polyester is (6-8) to (1-3).

As another preferable scheme of the embodiment of the invention, the preparation method of the modifier comprises the following steps:

placing 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, epoxy modified polysiloxane and a catalyst in a solvent for mixing, placing at the temperature of 65-75 ℃ for reaction, and then removing the solvent to obtain the modifier.

In another preferred embodiment of the present invention, the mass ratio of the 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane to the epoxy-modified polysiloxane is 1 (1-3).

As another preferable scheme of the embodiment of the invention, the preparation method of the modified thermoplastic elastomer comprises the following steps:

and (2) dispersing and mixing the modifier, the thermoplastic elastomer and the initiator in a solvent, irradiating the mixture by ultraviolet rays at the temperature of 55-65 ℃, and removing the solvent to obtain the modified thermoplastic elastomer.

As another preferred aspect of the embodiments of the present invention, the thermoplastic elastomer is a styrenic thermoplastic elastomer.

Another object of the embodiments of the present invention is to provide a method for preparing the above high tenacity polyester tire, which comprises the following steps:

weighing polyester and modified thermoplastic elastomer according to the weight parts of the components;

polyester and the modified thermoplastic elastomer are mixed, melt-extruded and then subjected to hot stretching to obtain the polyester tire.

In another preferable scheme of the embodiment of the invention, in the step, the temperature of melt extrusion is 260-280 ℃, and the temperature of hot stretching is 150-180 ℃.

Another object of the embodiments of the present invention is to provide a polyester tire obtained by the above preparation method.

According to the high-toughness polyester tire and the preparation method thereof provided by the embodiment of the invention, the modifier prepared by reacting 1,3, 5-tri (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and epoxy modified polysiloxane is used for carrying out graft modification on the thermoplastic elastomer, so that epoxy, silica bond, heterocyclic group, fluorine group and the like can be introduced into the thermoplastic elastomer, and the toughness, heat resistance and waterproof performance of the polyester tire can be obviously improved. Epoxy groups introduced into the modified thermoplastic elastomer can react with carboxyl groups in polyester and the like, so that flexible chains and the elastomer are introduced, and the toughness of the polyester tire can be greatly improved; the silica bond and the heterocyclic group introduced into the modified thermoplastic elastomer have higher bond energy, and can improve the heat resistance of the polyester tire; hydrophobic groups such as fluorine, silicon and the like are introduced into the modified thermoplastic elastomer, so that the hydrophobic property of the polyester tire can be improved, the surface tension of the polyester tire can be reduced, and the waterproof property of the polyester tire can be improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 100g of epoxy modified polysiloxane and 3g of catalyst in 800g of solvent, mixing for 10min, heating to 65 ℃ for reaction for 20min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone. It should be noted that the catalyst may also adopt organotin catalysts such as stannous octoate and dibutyltin diacetate; as the solvent, an organic solvent such as toluene can be used.

S2, taking 100g of the modifier, 900g of the thermoplastic elastomer and 100g of the initiator, putting the mixture into 1500g of the solvent, dispersing and mixing the mixture for 10min at the speed of 500rpm, heating the mixture to 55 ℃, and then using 1W/m²After ultraviolet irradiation at the temperature of the intensity for 0.5h, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone; the thermoplastic elastomer may be styrene-based thermoplastic elastomers such as styrene-isoprene-styrene, hydrogenated styrene-butadiene block copolymers, and hydrogenated styrene-isoprene copolymers, and the initiator may be a radical photoinitiator such as 1-hydroxycyclohexyl phenyl ketone and 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide.

S3, placing 50g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 800g of polyethylene terephthalate in a high-speed mixer, mixing for 10min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 260 ℃ for melt extrusion, and placing at 150 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 2

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 300g of epoxy modified polysiloxane and 7g of catalyst in 1500g of solvent, mixing for 20min, heating to 75 ℃ for reacting for 40min, and then heating to 115 ℃ to remove the solvent to obtain the modifier for later use. Wherein the epoxy modified polysiloxane is a product with a model number of LK-636 sold by LongkKai chemical company, Guangzhou, and stannous octoate is used as a catalyst; the solvent used was toluene.

S2, placing 200g of the modifier, 700g of the thermoplastic elastomer and 10g of the initiator into 2500g of the solvent, dispersing and mixing for 30min at the speed of 1500rpm, heating to 65 ℃, and then using 10W/m²After ultraviolet irradiation at an intensity temperature for 1.5 hours, the mixture is heated to 85 ℃ to remove the solvent and dried to obtain the modified thermoplastic elastomer for later use. Wherein, the solvent is butanone, the thermoplastic elastomer is styrene-isoprene-styrene, and the initiator is 1-hydroxycyclohexyl phenyl ketone.

S3, placing 150g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 600g of polyethylene terephthalate in a high-speed mixer, mixing for 30min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 280 ℃ for melt extrusion, and placing at 180 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 3

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 150g of epoxy modified polysiloxane and 4g of catalyst in 1000g of solvent, mixing for 15min, heating to 68 ℃ for reaction for 25min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. Wherein the epoxy modified polysiloxane is a product with a model number of LK-636 sold by LongkKa chemical Co., Ltd, Guangzhou, and the catalyst adopts dibutyltin diacetate; butanone is used as the solvent.

S2, taking 120g of the modifier, 750g of the thermoplastic elastomer and 20g of the initiator, putting the mixture into 1800g of the solvent, carrying out dispersion mixing at the speed of 600rpm for 15min, heating to 58 ℃, and then using 3W/m²After ultraviolet irradiation at the temperature of the intensity for 0.8h, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein, the solvent is butanone, the thermoplastic elastomer is hydrogenated styrene-butadiene block copolymer, and the initiator is 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide.

S3, placing 80g of the modified thermoplastic elastomer, 300g of the carboxyl-terminated hyperbranched polyester and 600g of polyethylene terephthalate in a high-speed mixer, mixing for 25min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 275 ℃ for melt extrusion, and placing at 170 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 4

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 250g of epoxy modified polysiloxane and 6g of catalyst in 1000g of solvent, mixing for 18min, heating to 72 ℃ for reacting for 35min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 180g of the modifier, 850g of the thermoplastic elastomer and 80g of the initiator, putting the mixture into 2200g of the solvent, dispersing and mixing the mixture for 25min at the speed of 1200rpm, heating the mixture to 62 ℃,then using 6W/m²After ultraviolet irradiation at an intensity temperature for 1.2 hours, the mixture is heated to 85 ℃ to remove the solvent and dried to obtain the modified thermoplastic elastomer for later use. Wherein, the solvent is butanone, the thermoplastic elastomer is hydrogenated styrene isoprene copolymer, and the initiator is 1-hydroxycyclohexyl phenyl ketone.

S3, placing 120g of the modified thermoplastic elastomer, 100g of the carboxyl-terminated hyperbranched polyester and 800g of polyethylene terephthalate in a high-speed mixer, mixing for 25min at the rotating speed of 1000rpm, then placing in a 275 ℃ double-screw extruder for melt extrusion, and placing at 175 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 5

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 140g of the modifier, 850g of the thermoplastic elastomer and 40g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 80g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 6

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 160g of the modifier, 750g of the thermoplastic elastomer and 60g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 120g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 800g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 7

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 85g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 8

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 110g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 9

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, and the initiator is 2-hydroxy-2-methyl-1-phenylmethylBenzene and butanone as solvent.

S3, placing 90g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 10

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 145g of the modifier, 820g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, carrying out dispersion mixing for 20min at the speed of 1000rpm, heating to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 90g of the modified thermoplastic elastomer, 150g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 11

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 100g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 12

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 80g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 13

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²Irradiating with ultraviolet rays at high intensity for 1 hr, and heating to 85 deg.CRemoving the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 50g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 14

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 60g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 15

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, putting 70g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate into a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, putting the mixture into a double-screw extruder at 270 ℃ for melt extrusion, and putting the mixture at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 16

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 90g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 17

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, collecting 150g of the modifier, 800g of the thermoplastic elastomer anddispersing and mixing 50g of hair agent in 2000g of solvent at 1000rpm for 20min, heating to 60 deg.C, and mixing with 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 110g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 18

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 85g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 19

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 95g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Example 20

The embodiment provides a high-toughness polyester tire, and the preparation method comprises the following steps:

s1, placing 100g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane, 200g of epoxy modified polysiloxane and 5g of catalyst in 1000g of solvent, mixing for 15min, heating to 70 ℃ for reaction for 30min, and then heating to 85 ℃ to remove the solvent to obtain the modifier for later use. The epoxy modified polysiloxane is a product with a model number of LK-636 sold by Longkei chemical company Limited in Guangzhou, a catalyst is dibutyl tin dilaurate, and a solvent is butanone.

S2, taking 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator, putting the mixture into 2000g of the solvent, dispersing and mixing the mixture for 20min at the speed of 1000rpm, heating the mixture to 60 ℃, and then using 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

S3, placing 105g of the modified thermoplastic elastomer, 200g of the carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate in a high-speed mixer, mixing for 20min at the rotating speed of 1000rpm, then placing in a double-screw extruder at 270 ℃ for melt extrusion, and placing at 160 ℃ for hot stretching to obtain the polyester tire. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Comparative example 1

This comparative example provides a polyester tire which differs from the above example 11 only in that the modified thermoplastic elastomer is replaced with a common unmodified thermoplastic elastomer; specifically, the preparation method of the polyester tire comprises the following steps:

100g of styrene-butadiene-styrene block copolymer, 200g of carboxyl-terminated hyperbranched polyester and 700g of polyethylene terephthalate are placed in a high-speed mixer to be mixed for 20min at the rotating speed of 1000rpm, then the mixture is placed in a double-screw extruder at 270 ℃ to be subjected to melt extrusion, and the mixture is placed at the temperature of 160 ℃ to be subjected to hot stretching, so that the polyester tire can be obtained. Wherein the carboxyl-terminated hyperbranched polyester is a product sold in the market under the trade name SeHBP C10, and the CAS number of the polyethylene terephthalate is 25038-59-9.

Comparative example 2

This comparative example provides a polyester tire which is different from the above example 11 only in step S1, and specifically, step S1 of this comparative example includes the following:

300g of epoxy modified polysiloxane is placed in 1000g of solvent to be mixed for 15min, heated to 70 ℃ to be mixed for 30min, and then heated to 85 ℃ to remove the solvent to obtain the modifier for later use. Wherein, the epoxy modified polysiloxane is a product with a model number of LK-636 sold by LongkKai chemical company Limited in Guangzhou, and the solvent is butanone.

Comparative example 3

This comparative example provides a polyester tire which is different from the above example 11 only in step S1, and specifically, step S1 of this comparative example includes the following:

300g of 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane is placed in 1000g of solvent to be mixed for 15min, heated to 70 ℃ to be mixed for 30min, and then heated to 85 ℃ to remove the solvent, so as to obtain the modifier for later use. Wherein, the solvent is butanone.

Comparative example 4

This comparative example provides a polyester tire which is different from the above example 11 only in the preparation method of the modified thermoplastic elastomer (step S2). Specifically, the preparation method of the modified thermoplastic elastomer used in this comparative example was: 800g of thermoplastic elastomer and 50g of initiator were placed in 2000g of solvent and dispersion-mixed at 1000rpm for 20min, heated to 60 ℃ and then heated at 5W/m²After ultraviolet irradiation at an intensity temperature for 1 hour, heating to 85 ℃ to remove the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

Comparative example 5

This comparative example provides a polyester tire which is different from the above example 11 only in the preparation method of the modified thermoplastic elastomer (step S2). Specifically, the preparation method of the modified thermoplastic elastomer used in this comparative example was: and (2) placing 150g of the modifier, 800g of the thermoplastic elastomer and 50g of the initiator in 2000g of the solvent, carrying out dispersion mixing at the speed of 1000rpm for 20min, heating to 60 ℃, continuing mixing for 1h, heating to 85 ℃, removing the solvent and drying to obtain the modified thermoplastic elastomer for later use. Wherein the thermoplastic elastomer is styrene-butadiene-styrene block copolymer, the initiator is 2-hydroxy-2-methyl-1-phenyl toluene, and the solvent is butanone.

Comparative example 6

This comparative example provides a polyester tire which is different from the above example 11 only in the step S3. Specifically, step S3 of this comparative example includes: 100g of the modified thermoplastic elastomer and 900g of polyethylene terephthalate are placed in a high-speed mixer to be mixed for 20min at the rotating speed of 1000rpm, then the mixture is placed in a double-screw extruder at 270 ℃ to be subjected to melt extrusion, and the mixture is placed at the temperature of 160 ℃ to be subjected to hot stretching, so that the polyester tire can be obtained.

Experimental example:

first, the surface tensions (in dyne values) of the polyester tires obtained in examples 11 to 13 and comparative examples 1 to 6 were measured under the same experimental conditions (room temperature, 80% humidity) using a conventional DY-L-series dyne pen, and the results are shown in Table 1.

Secondly, under the same experimental conditions (room temperature, 80% humidity), the tensile force, the elongation at maximum tensile force, the thermal dimensional stability and other performances of the polyester tires prepared in the above examples 11 to 13 and comparative examples 1 to 6 were respectively tested according to the standard GB/T18840-.

TABLE 1

As can be seen from table 1, in the examples of the present invention, by graft-modifying a thermoplastic elastomer using a modifier prepared by reacting 1,3, 5-tris (3,3, 3-trifluoropropyl) trimethylcyclotrisiloxane and an epoxy-modified polysiloxane, epoxy groups, siloxane bonds, heterocyclic groups, fluorine groups, and the like can be introduced into the thermoplastic elastomer, so that toughness, heat resistance, and waterproof properties of a polyester tire can be significantly improved.

Specifically, epoxy groups introduced into the modified thermoplastic elastomer can react with carboxyl groups in polyester and the like, so that flexible chains and the elastomer are introduced, and the toughness of the polyester tire can be greatly improved; the silica bond and the heterocyclic group introduced into the modified thermoplastic elastomer have higher bond energy, and can improve the heat resistance of the polyester tire; hydrophobic groups such as fluorine, silicon and the like are introduced into the modified thermoplastic elastomer, so that the hydrophobic property of the polyester tire can be improved, the surface tension of the polyester tire can be reduced, and the waterproof property of the polyester tire can be improved.

In addition, by adding the perfluoro silicone oil dispersion and the amino silicone oil dispersion, hydroxyl and amino which can react with maleic anhydride in the adhesive can be introduced into a polyethylene system, so that the peeling strength of the surface coating of the steel pipe can be improved.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.