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Rubber-plastic blend composition, dynamically vulcanized thermoplastic elastomer and preparation method thereof

A thermoplastic elastomer, dynamic vulcanization technology, applied in the field of thermoplastic elastomer and its preparation, rubber-plastic blending composition, can solve the problems of limited processing performance, poor mechanical properties and wear resistance, and achieve low processing temperature and low processing The effect of temperature and process simplicity

Active Publication Date: 2017-07-07
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the overall mechanical properties and wear resistance of the blend material are poor, and the high melting point of the polypropylene phase makes the improvement of processing performance relatively limited.

Method used

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  • Rubber-plastic blend composition, dynamically vulcanized thermoplastic elastomer and preparation method thereof
  • Rubber-plastic blend composition, dynamically vulcanized thermoplastic elastomer and preparation method thereof
  • Rubber-plastic blend composition, dynamically vulcanized thermoplastic elastomer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] This embodiment provides a poly-1-butylene / EPDM rubber dynamically vulcanized thermoplastic elastomer, its components and its preparation method are as follows:

[0066] Raw materials include: 70 parts by weight of EPDM rubber, 30 parts by weight of poly-1 butene, 35 parts by weight of carbon black, 3.5 parts by weight of zinc oxide, 0.7 parts by weight of stearic acid, 0.7 parts by weight of di Tetramethylthiuram sulfide, the dibenzothiazole disulfide of 0.35 parts by weight, the sulfur of 1.4 parts by weight;

[0067] The preparation method comprises the following steps:

[0068] (1) Add 70 parts by weight of EPDM rubber, 35 parts by weight of carbon black, 3.5 parts by weight of zinc oxide, 0.7 parts by weight of stearic acid, and 0.7 parts by weight of tetramethyl qiuran disulfide in the internal mixer Mu, 0.35 parts by weight of dibenzothiazole disulfide, set the temperature of the internal mixer to 100°C, the discharge temperature to 150°C, the rotation speed to ...

Embodiment 2

[0073] This embodiment provides a poly-1-butylene / EPDM rubber dynamically vulcanized thermoplastic elastomer, its components and its preparation method are as follows:

[0074] Raw materials include: 60 parts by weight of EPDM rubber, 40 parts by weight of poly-1 butene, 30 parts by weight of carbon black, 3 parts by weight of zinc oxide, 0.6 parts by weight of stearic acid, 0.6 parts by weight of Tetramethylthiuram sulfide, the dibenzothiazole disulfide of 0.3 parts by weight, the sulfur of 1.2 parts by weight;

[0075] The preparation method comprises the following steps:

[0076] (1) Add 60 parts by weight of EPDM rubber, 30 parts by weight of carbon black, 3 parts by weight of zinc oxide, 0.6 parts by weight of stearic acid, and 0.6 parts by weight of tetramethyl qiuran disulfide in the internal mixer Mu, 0.3 parts by weight of dibenzothiazole disulfide, set the temperature of the internal mixer to 100°C, the discharge temperature to 150°C, the rotation speed to 72r / min, ...

Embodiment 3

[0081] This embodiment provides a poly-1-butylene / EPDM rubber dynamically vulcanized thermoplastic elastomer, its components and its preparation method are as follows:

[0082] The raw materials include: 50 parts by weight of EPDM rubber, 50 parts by weight of poly-1 butene, 25 parts by weight of carbon black, 2.5 parts by weight of zinc oxide, 0.5 parts by weight of stearic acid, 0.5 parts by weight of di Tetramethylthiuram sulfide, the dibenzothiazole disulfide of 0.25 parts by weight, the sulfur of 1 part by weight;

[0083] The preparation method comprises the following steps:

[0084] (1) Add 50 parts by weight of EPDM rubber, 25 parts by weight of carbon black, 2.5 parts by weight of zinc oxide, 0.5 parts by weight of stearic acid, and 0.5 parts by weight of tetramethyl qiuran disulfide in the internal mixer Mu, 0.25 parts by weight of dibenzothiazole disulfide, set the temperature of the internal mixer to 100°C, the discharge temperature to 150°C, the rotation speed to...

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Abstract

The invention provides a rubber plastic blended composition, a dynamically vulcanized thermoplastic elastomer and a preparation method thereof. The dynamically vulcanized thermoplastic elastomer is prepared by mixing and banburying 1-butene, an ethylene propylene diene monomer, a vulcanization system and a reinforcing agent by using a dynamic vulcanization technique. By adopting the method, phase inversion of rubber can be successfully achieved, and the ethylene propylene diene monomer is uniformly dispersed in continuous phase of 1-butene in a micro-order cross-linking particle state. The preparation method of the thermoplastic elastomer is simple and easy to carry out, and the product is relatively low in processing temperature and relatively good in strength, abrasion resistance and permanent deformation property.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a rubber-plastic blending composition for preparing dynamically vulcanized thermoplastic elastomers, thermoplastic elastomers prepared from the composition and a preparation method thereof. Background technique [0002] Thermoplastic elastomers can be plastically processed like plastics at high temperatures, and have high elasticity similar to rubber at room temperature. The remaining materials can be reused, which reduces the high energy consumption and high pollution problems of thermosetting rubber to a certain extent, and solves the problem of complex rubber. Parts processing and recycling of waste rubber products. Dynamic vulcanization of thermoplastic elastomers is one of the hot research issues at present. [0003] Thermoplastic elastomers are widely used in the automotive industry, transportation equipment, building materials, and consumer goods. For example, c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/16C08L23/20C08K13/02C08K3/22C08K5/09C08K5/14C08K5/47C08K5/3415C08K5/3492C08K5/40C08K3/06C08J3/24C08J3/22B29B7/28
CPCB29B7/283C08L23/16C08L23/20C08L2201/08C08L2207/04C08L2207/10C08K13/02C08K2003/2296C08K5/09
Inventor 宗成中徐萌萌曹兰宗迎夏王春芙
Owner QINGDAO UNIV OF SCI & TECH
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