阅读说明：本技术 一种耐磨抗老化轮胎及其制备工艺 (Wear-resistant anti-aging tire and preparation process thereof ) 是由 王小骥 于 2019-09-29 设计创作，主要内容包括：本发明涉及轮胎技术领域,且公开了一种耐磨抗老化轮胎及其制备工艺,由以下重量百分比的各组份制得：天然橡胶40～70份、合成橡胶50～80份、邻苯二甲酸二丁酯15～25份、氧化锌7～9份、硫化促进剂3～5份、防老剂2～4份、硼酸锌7～8份、增塑剂3～5份、硅树脂3～6份、促进剂2～3份、紫外线吸收剂3～7份和硬脂酸锌1～2份。该耐磨抗老化轮胎及其制备工艺,能够使轮胎具有更好的耐磨性能,且能够有效的增加轮胎上橡胶制品的强度,以及能够有效的增加轮胎的抗老化性能,并且能够有效的增加各橡胶的凝胶化能力,而且能够有效的增加轮胎的耐热性能,同时能够有效的增加轮胎的防晒性能。(The invention relates to the technical field of tires and discloses a wear-resistant anti-aging tire and a preparation process thereof, wherein the tire is prepared from the following components in percentage by weight: 40-70 parts of natural rubber, 50-80 parts of synthetic rubber, 15-25 parts of dibutyl phthalate, 7-9 parts of zinc oxide, 3-5 parts of vulcanization accelerator, 2-4 parts of anti-aging agent, 7-8 parts of zinc borate, 3-5 parts of plasticizer, 3-6 parts of silicone resin, 2-3 parts of accelerator, 3-7 parts of ultraviolet absorber and 1-2 parts of zinc stearate. The wear-resistant anti-aging tire and the preparation process thereof can enable the tire to have better wear resistance, can effectively increase the strength of rubber products on the tire, can effectively increase the anti-aging performance of the tire, can effectively increase the gelation ability of each rubber, can effectively increase the heat resistance of the tire, and can effectively increase the sun-screening performance of the tire.)

1. The wear-resistant anti-aging tire is characterized in that: the paint is prepared from the following components in percentage by weight: 40-70 parts of natural rubber, 50-80 parts of synthetic rubber, 15-25 parts of dibutyl phthalate, 7-9 parts of zinc oxide, 3-5 parts of vulcanization accelerator, 2-4 parts of anti-aging agent, 7-8 parts of zinc borate, 3-5 parts of plasticizer, 3-6 parts of silicone resin, 2-3 parts of accelerator, 3-7 parts of ultraviolet absorber and 1-2 parts of zinc stearate.

2. A wear-resistant anti-aging tire according to claim 1, wherein: the paint is prepared from the following components in parts by weight: 55 parts of natural rubber, 65 parts of synthetic rubber, 20 parts of dibutyl phthalate, 8 parts of zinc oxide, 4 parts of a vulcanization accelerator, 3 parts of an anti-aging agent, 7.5 parts of zinc borate, 4 parts of a plasticizer, 5 parts of silicone resin, 2.5 parts of an accelerator, 5 parts of an ultraviolet absorber and 1.5 parts of zinc stearate.

3. A wear-resistant anti-aging tire according to claim 1, wherein: the synthetic rubber is one or more of styrene butadiene rubber and ethylene propylene rubber.

4. A wear-resistant anti-aging tire according to claim 1, wherein: the silicone resin is one or more of amino silicone resin and fluorosilicone resin.

5. A wear-resistant anti-aging tire according to claim 1, wherein: the reinforcing agent comprises 5-8 parts by weight of auxiliary reinforcing agent.

6. A wear-resistant anti-aging tire according to claim 1, wherein: the ultraviolet absorbent is UV531 or UV770 or a combination of the two.

7. The preparation process of the wear-resistant anti-aging tire as claimed in claim 1, wherein the preparation process comprises the following steps: the method comprises the following steps:

the method comprises the following steps: placing natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate into a reaction kettle for stirring, and raising the temperature in the reaction kettle to 100-150 ℃ to fully mix the natural rubber, the synthetic rubber, the dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step two: adding a plasticizer and an ultraviolet absorbent into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, and adjusting the temperature in a reaction kettle to 150-230 ℃, so that the plasticizer and the ultraviolet absorbent are fully mixed with the natural rubber, the synthetic rubber, dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step three: and adding the accelerator into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, raising the temperature in the reaction kettle to 120-150 ℃, and forming.

Technical Field

The invention relates to the technical field of tires, in particular to a wear-resistant anti-aging tire and a preparation process thereof.

Background

A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required. Half of the world's rubber usage for tire production, the ability of a tire to consume rubber is seen

When the existing tire is used, the tire has certain wear resistance and ageing resistance, but most of the tires are made of natural rubber or synthetic rubber, so that the tire cannot have good wear resistance and ageing resistance, the service life is short, and after the tire is used for a long time, the tire is easy to wear, so that the normal use of the tire is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a wear-resistant anti-aging tire and a preparation process thereof, which can ensure that the tire has better wear resistance, and can effectively increase the strength of rubber products on the tire and the aging resistance of the tire, can effectively increase the gelation ability of each rubber, can effectively increase the heat resistance of the tire, simultaneously can effectively increase the sun-proof performance of the tire, and the like, solves the problem that the tire has certain wear resistance and ageing resistance when in use, however, most tires are made of natural rubber or synthetic rubber, which cannot make the tires have good wear resistance and aging resistance and short service life, after long-term use, the tire is easily worn, thereby causing the problem of influencing the normal use of the tire.

(II) technical scheme

In order to achieve the purposes of enabling a tire to have better wear resistance, effectively increasing the strength of a rubber product on the tire, effectively increasing the aging resistance of the tire, effectively increasing the gelation ability of each rubber, effectively increasing the heat resistance of the tire and effectively increasing the sun protection performance of the tire, the invention provides the following technical scheme: a wear-resistant anti-aging tire and a preparation process thereof are prepared from the following components in percentage by weight: 40-70 parts of natural rubber, 50-80 parts of synthetic rubber, 15-25 parts of dibutyl phthalate, 7-9 parts of zinc oxide, 3-5 parts of vulcanization accelerator, 2-4 parts of anti-aging agent, 7-8 parts of zinc borate, 3-5 parts of plasticizer, 3-6 parts of silicone resin, 2-3 parts of accelerator, 3-7 parts of ultraviolet absorber and 1-2 parts of zinc stearate.

Preferably, the composition is prepared from the following components in parts by weight: 55 parts of natural rubber, 65 parts of synthetic rubber, 20 parts of dibutyl phthalate, 8 parts of zinc oxide, 4 parts of a vulcanization accelerator, 3 parts of an anti-aging agent, 7.5 parts of zinc borate, 4 parts of a plasticizer, 5 parts of silicone resin, 2.5 parts of an accelerator, 5 parts of an ultraviolet absorber and 1.5 parts of zinc stearate.

Preferably, the synthetic rubber is one or more of styrene butadiene rubber and ethylene propylene rubber.

Preferably, the silicone resin is one or more of amino silicone resin and fluorosilicone resin.

Preferably, each component further comprises 5-8 parts by weight of an auxiliary reinforcing agent.

Preferably, the ultraviolet absorber is UV531 or UV770 or a combination thereof.

The invention also provides a preparation process of the wear-resistant anti-aging tire, which comprises the following steps:

the method comprises the following steps: placing natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate into a reaction kettle for stirring, and raising the temperature in the reaction kettle to 100-150 ℃ to fully mix the natural rubber, the synthetic rubber, the dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step two: adding a plasticizer and an ultraviolet absorbent into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, and adjusting the temperature in a reaction kettle to 150-230 ℃, so that the plasticizer and the ultraviolet absorbent are fully mixed with the natural rubber, the synthetic rubber, dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step three: and adding the accelerator into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, raising the temperature in the reaction kettle to 120-150 ℃, and forming.

(III) advantageous effects

Compared with the prior art, the invention provides a wear-resistant anti-aging tire and a preparation process thereof, and the tire has the following beneficial effects:

the wear-resistant anti-aging tire and the preparation process thereof can enable the tire to have better wear resistance by adopting a mode of matching natural rubber and synthetic rubber, can effectively increase the strength of rubber products on the tire by adding the auxiliary reinforcing agent into the tire components, can effectively increase the anti-aging performance of the tire by increasing the anti-aging agent, can effectively increase the gelation ability of each rubber by adding dibutyl phthalate and a plasticizer into each component, can effectively increase the heat resistance of the tire by adding silicon resin into each component, and can effectively increase the sun protection performance of the tire by adding zinc oxide into each component.

Detailed Description

The invention discloses a wear-resistant anti-aging tire and a preparation process thereof, and can be realized by appropriately improving process parameters by taking the contents of the tire as reference by the technical personnel in the field. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the process of the present invention has been described in terms of preferred embodiments, it will be apparent to those skilled in the art that variations and modifications, as well as other suitable variations and combinations of the process described herein, may be made to implement and use the techniques of the present invention without departing from the spirit and scope of the invention. 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. The invention is further illustrated by the following examples.

A wear-resistant anti-aging tire and a preparation process thereof are prepared from the following components in percentage by weight: 40-70 parts of natural rubber, 50-80 parts of synthetic rubber, 15-25 parts of dibutyl phthalate, 7-9 parts of zinc oxide, 3-5 parts of vulcanization accelerator, 2-4 parts of anti-aging agent, 7-8 parts of zinc borate, 3-5 parts of plasticizer, 3-6 parts of silicone resin, 2-3 parts of accelerator, 3-7 parts of ultraviolet absorber and 1-2 parts of zinc stearate.

The paint is prepared from the following components in parts by weight: 55 parts of natural rubber, 65 parts of synthetic rubber, 20 parts of dibutyl phthalate, 8 parts of zinc oxide, 4 parts of a vulcanization accelerator, 3 parts of an anti-aging agent, 7.5 parts of zinc borate, 4 parts of a plasticizer, 5 parts of silicone resin, 2.5 parts of an accelerator, 5 parts of an ultraviolet absorber and 1.5 parts of zinc stearate.

The synthetic rubber is one or more of styrene-butadiene rubber and ethylene-propylene rubber, the styrene-butadiene rubber is prepared by copolymerizing butadiene and styrene, and is a general synthetic rubber with the largest output, the synthetic rubber comprises emulsion polymerized styrene-butadiene rubber, solution polymerized styrene-butadiene rubber and thermoplastic rubber, the ethylene-propylene rubber is synthesized by taking ethylene and propylene as main raw materials, the ageing resistance, the electrical insulation performance and the ozone resistance are outstanding, the ethylene-propylene rubber can be greatly filled with oil and carbon black, the product price is lower, the ethylene-propylene rubber has good chemical stability, the wear resistance, the elasticity and the oil resistance are close to those of the styrene-butadiene rubber, the application of the ethylene-propylene rubber is very wide, and the ethylene-propylene rubber can be used as a tire side wall, an adhesive tape.

The silicone resin is one or more of amino silicone resin and fluorine-silicon resin, is a thermosetting polysiloxane polymer with a highly cross-linked structure, has the dual characteristics of organic resin and inorganic material, has unique physical and chemical properties, has good electrical insulation property, temperature resistance and waterproof effects, and has better weather resistance than common organic resin, so the silicone resin is an ideal material on the coating of a temperature-resistant, heat-resistant and moisture-proof treatment protective surface layer.

The rubber product further comprises 5-8 parts by weight of auxiliary reinforcing agent, and the rubber auxiliary reinforcing agent is a compounding agent capable of improving the strength of rubber products.

The ultraviolet absorbent is UV531 or UV770 or a combination thereof, the ultraviolet absorbent is a type of sunscreen agent, sunscreen is realized by absorbing harmful ultraviolet rays, the molecules of the chemical sunscreen agent are absorbed by the skin, so the process of absorbing ultraviolet rays occurs in the skin and is removed by metabolism of the human body, and the chemical sunscreen agent has certain irritation to the skin.

The invention also provides a preparation process of the wear-resistant anti-aging tire, which comprises the following steps:

the method comprises the following steps: placing natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate into a reaction kettle for stirring, and raising the temperature in the reaction kettle to 100-150 ℃ to fully mix the natural rubber, the synthetic rubber, the dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step two: adding a plasticizer and an ultraviolet absorbent into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, and adjusting the temperature in a reaction kettle to 150-230 ℃, so that the plasticizer and the ultraviolet absorbent are fully mixed with the natural rubber, the synthetic rubber, dibutyl phthalate, the zinc oxide, the vulcanization accelerator, the anti-aging agent, the zinc borate, the silicone resin and the zinc stearate;

step three: and adding the accelerator into the mixed natural rubber, synthetic rubber, dibutyl phthalate, zinc oxide, a vulcanization accelerator, an anti-aging agent, zinc borate, silicone resin and zinc stearate, mixing, raising the temperature in the reaction kettle to 120-150 ℃, and forming.

In summary, the tire has better wear resistance by adopting a mode of matching natural rubber and synthetic rubber, the strength of a rubber product on the tire can be effectively increased by adding the auxiliary reinforcing agent into the tire components, the aging resistance of the tire can be effectively increased by adding the anti-aging agent, the gelation ability of each rubber can be effectively increased by adding dibutyl phthalate and the plasticizer into each component, the heat resistance of the tire can be effectively increased by adding the silicon resin into each component, and the sun protection performance of the tire can be effectively increased by adding the zinc oxide into each component.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.