阅读说明：本技术 一种印刷耐油耐电压绝缘弹性体材料及其制备方法 (Printed oil-resistant voltage-resistant insulating elastomer material and preparation method thereof ) 是由 欧阳定文 于 2019-12-11 设计创作，主要内容包括：本发明公开了一种印刷耐油耐电压绝缘弹性体材料及其制备方法,属于热塑性弹性体材料技术领域,其技术要点：一种印刷耐油耐电压绝缘弹性体材料,包括如下组分：苯乙烯类弹性体、聚丙烯、聚乙烯、马来酸酐接枝聚合物、填料、抗氧剂,润滑剂。其制备方法包括：按照重量份数组成进行配料；将苯乙烯类弹性体、聚丙烯、聚乙烯、马来酸酐接枝聚合物、填料、抗氧剂、润滑剂以及其它助剂混合,搅拌出料；将混合好的物料放入双螺杆挤出机中挤出造粒,调整转速后升温至180-230℃,挤出造粒,得印刷耐油耐电压绝缘弹性体材料。本发明通过复配,使热塑性弹性材料具有易于印刷且耐油耐电压绝缘的优点,更保证了工具在使用时的安全性。(The invention discloses a printing oil-resistant and voltage-resistant insulating elastomer material and a preparation method thereof, belonging to the technical field of thermoplastic elastomer materials and having the technical key points that: a printed oil-resistant and voltage-resistant insulating elastomer material comprises the following components: styrene elastomer, polypropylene, polyethylene, maleic anhydride graft polymer, filler, antioxidant and lubricant. The preparation method comprises the following steps: preparing materials according to the weight parts; mixing styrene elastomer, polypropylene, polyethylene, maleic anhydride grafted polymer, filler, antioxidant, lubricant and other auxiliaries, stirring and discharging; and (3) putting the mixed materials into a double-screw extruder for extrusion granulation, adjusting the rotating speed, heating to 180 ℃ and 230 ℃, and performing extrusion granulation to obtain the printed oil-resistant voltage-resistant insulating elastomer material. Through compounding, the thermoplastic elastic material has the advantages of easiness in printing, oil resistance, voltage resistance and insulation, and the safety of the tool in use is further ensured.)

1. The printed oil-resistant voltage-resistant insulating elastomer material is characterized by comprising the following components in parts by weight:

styrene-based elastomer: 20-45 parts of a solvent;

polyolefin resin: 20-50 parts;

maleic anhydride graft polymer: 8-20 parts;

filling: 10-15 parts;

antioxidant: 0.05-2 parts;

lubricant: 0.01-1 part;

other auxiliary agents: 0.1-10 parts;

the polyolefin resin includes 10-25 parts of polypropylene and 10-25 parts of polyethylene.

2. The printed oil and voltage resistant insulating elastomeric material of claim 1, wherein the styrenic elastomer is a styrenic block copolymer.

3. The printed oil and voltage resistant insulating elastomer material as claimed in claim 2, wherein the styrene elastomer is selected from one or more of styrene-ethylene-polybutylene-styrene block copolymer, styrene-ethylene-propylene-styrene block copolymer or styrene-ethylene-propylene-styrene block copolymer.

4. The printed oil and voltage resistant insulating elastomeric material of claim 1, wherein said maleic anhydride polymer is selected from one or more of maleic anhydride-ethylene acrylate carbon monoxide terpolymer, maleic anhydride-ethylene-vinyl acetate polymer, maleic anhydride-polyethylene, maleic anhydride-metallocene polyethylene, maleic anhydride-ethylene propylene rubber, and maleic anhydride-polypropylene.

5. The printed oil and voltage resistant insulating elastomeric material according to claim 1, wherein said polyolefin resin is a compound obtained by random copolymerization of α -olefin having 3 to 12 carbon atoms.

6. The printed oil and voltage resistant insulating elastomeric material according to claim 5, wherein the polyolefin resin further comprises one or more of the chemicals derived from random copolymerization of ethylene and propylene.

7. The printed oil and voltage resistant insulating elastomer material according to claim 1, wherein the lubricant is one of silicone based masterbatch, erucamide, stearic acid or polyethylene wax.

8. The printed oil and voltage resistant insulating elastomeric material of claim 1, wherein said antioxidant is a combination of antioxidant 1010 and antioxidant 168.

9. The printed oil and voltage resistant insulating elastomer material and the preparation method thereof according to claim 8, wherein the other auxiliary agents are one or more of light stabilizer and colorant, wherein the light stabilizer is selected from UV-622 light stabilizer, UV-790 light stabilizer or UV791 light stabilizer; the colorant is toner or color master batch.

10. A method for preparing a printed oil and voltage resistant insulating elastomeric material according to any one of claims 1 to 9, comprising the steps of:

1) preparing materials according to the weight parts;

2) mixing styrene elastomer, polypropylene, polyethylene, maleic anhydride graft polymer, filler, antioxidant, lubricant and other auxiliaries, stirring for 10-15min, and discharging;

3) and (3) putting the mixed material in the step (2) into a double-screw extruder for extrusion and granulation, wherein the rotating speed of the screw extruder is 600r/min through 300-.

Technical Field

The invention belongs to the technical field of thermoplastic elastomer materials, and particularly relates to a printing oil-resistant voltage-resistant insulating elastomer material and a preparation method thereof.

Background

At present, the authors of the synthesis of grafts of polypropylene, maleic anhydride and styrene by solid phase grafting, which were published according to the journal name chemical material, are Zhanwei and Wangbui.

However, the above article states that: polypropylene (PP) is a general-purpose polymer material with a wide range of applications, and has the characteristics of low water absorption and moisture absorption, good mechanical balance, chemical corrosion resistance, excellent electrical insulation and the like, and the factors of small relative density, easy processing and forming, low price and the like, so that PP resin is widely applied to the industries of daily necessities, packaging materials, household appliances, automobile manufacturing, building construction and the like.

The non-polarity of PP causes that the PP has poor compatibility with a plurality of polymer materials and fillers, which brings difficulty to the development of PP polymer alloy and blended composite materials, and the surface viscosity of PP is poor, which is difficult to carry out surface coating and printing, so a new technical scheme needs to be provided to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a printing oil-resistant and voltage-resistant insulating elastomer material, and the prepared thermoplastic elastomer material has the characteristics of easiness in printing, oil resistance, voltage resistance and insulation by a compounding mode, and meanwhile, the safety of a tool in use is ensured.

In order to achieve the purpose, the invention provides the following technical scheme: a printed oil-resistant voltage-resistant insulating elastomer material comprises the following components in parts by weight:

styrene-based elastomer: 20-45 parts of a solvent;

polyolefin resin: 20-50 parts;

maleic anhydride graft polymer: 8-20 parts;

filling: 10-15 parts;

antioxidant: 0.05-2 parts;

lubricant: 0.01-1 part;

other auxiliary agents: 0.1-10 parts;

the polyolefin resin includes 10-25 parts of polypropylene and 10-25 parts of polyethylene.

By adopting the technical scheme, the styrene elastomer is also called as styrene TPES, has good short-term oil resistance and good performances of resisting a surfactant and an organic solvent, and can be used as a compatilizer; and the styrene elastomer, the polypropylene PP and the polyethylene PE are compounded, so that the toughness, the impact strength and the flexibility of the whole elastomer material can be effectively improved. Meanwhile, as the polyolefin resins such as polypropylene, polyethylene and the like belong to nonpolar polymers, the fusion degree between any two polyolefin resins is poor, and the combination with PP and PE can be well realized after the maleic anhydride grafted polymer is added, so that incompatible polar and nonpolar substances are chemically coupled, and the perfect combination of the strength and the toughness of the elastomer material is realized. In addition, due to the addition of the polypropylene PP, the polypropylene PP has the advantages of low water absorption and moisture absorption, good mechanical balance, chemical corrosion resistance, excellent electrical insulation, small relative density, easy processing and forming, low price and the like, and the nonpolar of the PP can improve the compatibility among various substances by adding the maleic anhydride grafted polymer and the styrene elastomer, thereby keeping and improving the surface viscosity of the PP and facilitating the coating and printing on the surface of the elastomer material. In conclusion, the styrene elastomer is compounded with polypropylene, polyethylene and the like, so that the thermoplastic elastic material has the advantages of easiness in printing, oil resistance, voltage resistance and insulation, and the safety of the tool in use is further ensured.

Further, the styrenic elastomer is a styrenic block copolymer.

Further, the styrene elastomer is selected from one or more of styrene-ethylene-polybutylene-styrene block copolymer, styrene-ethylene-propylene-styrene block copolymer or styrene-ethylene-propylene-styrene block copolymer.

By adopting the technical scheme, the styrene elastomer is selected from styrene-ethylene-polybutylene-styrene block copolymer, styrene-ethylene-propylene-styrene block copolymer or styrene-ethylene-propylene-styrene block copolymer which are common styrene block copolymers, has good compatibility, can improve the surface viscosity of PP on the basis of having excellent voltage resistance and insulation, and is convenient for coating and printing the surface of the elastomer material.

Further, the maleic anhydride polymer is selected from one or more of maleic anhydride-ethylene acrylate carbon monoxide terpolymer, maleic anhydride-ethylene-vinyl acetate polymer, maleic anhydride-polyethylene, maleic anhydride-metallocene polyethylene, maleic anhydride-ethylene propylene rubber and maleic anhydride-polypropylene.

Further, the polyolefin resin is a compound obtained by random copolymerization of α -olefin having 3 to 12 carbon atoms.

Further, the polyolefin resin also includes one or more of chemicals obtained by random copolymerization of ethylene and propylene.

Further, the lubricant is one of silicone master batch, erucamide, stearic acid or polyethylene wax.

By adopting the technical scheme, the silicone master batch, the erucamide, the stearic acid or the polyethylene wax is referred to as a lubricant, and can play a good role in lubricating.

Further, the antioxidant is a combination of antioxidant 1010 and antioxidant 168.

Furthermore, in the composition of the antioxidant 1010 and the antioxidant 168, the weight parts of the antioxidant 1010 and the antioxidant 168 are 1 (1-2).

By adopting the technical scheme, the antioxidant 1010 is tetra [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, the antioxidant 168 (tris [2, 4-di-tert-butylphenyl ] phosphite) is compounded with the antioxidant to achieve a synergistic effect, and the integral antioxidant performance of the elastomer blending material can be effectively improved by controlling the use amount of the antioxidant and the antioxidant.

Further, the other auxiliary agents are one or more of light stabilizer and colorant, wherein the light stabilizer is selected from UV-622 light stabilizer, UV-790 light stabilizer or UV791 light stabilizer; the colorant is toner or color master batch.

By adopting the technical scheme, the UV-622 light stabilizer, the UV-790 light stabilizer or the UV791 light stabilizer is a common light stabilizer, and after the light stabilizer is added, the overall light resistance of the elastomer blending material can be effectively improved, the overall aging phenomenon of the elastomer blending material is reduced, and the service life of the elastomer blending material is prolonged. The added toner or color master batch is a common colorant, so that the elastomer blending material has various colors, thereby improving the color diversity of the elastomer blending material and meeting the color diversity of redundant elastomer blending materials of people at the present stage.

The invention also provides the following technical scheme: a preparation method of a printed oil-resistant voltage-resistant insulating elastomer material comprises the following steps:

1) preparing materials according to the weight parts;

2) mixing styrene elastomer, polypropylene, polyethylene, maleic anhydride graft polymer, filler, antioxidant, lubricant and other auxiliaries, stirring for 10-15min, and discharging;

3) and (3) putting the mixed material in the step (2) into a double-screw extruder for extrusion and granulation, wherein the rotating speed of the screw extruder is 600r/min through 300-.

By adopting the technical scheme, the operation is convenient, and the prepared elastomer material has the characteristics of easiness in printing, oil resistance, voltage resistance and insulation.

In conclusion, the invention has the following beneficial effects: through compounding, the prepared thermoplastic elastic material has the characteristics of easiness in printing, oil resistance, voltage resistance and insulation, and meanwhile, the safety of the tool in use is ensured.

Detailed Description

The present invention will be described in further detail with reference to examples.