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Thermoplastic elastomer composition

A thermoplastic elastomer and composition technology, applied in the field of plastic or rubber materials, can solve the problems of poor weather resistance, low permanent deformation, and high price, and achieve the effects of weather resistance, low compression deformation, and reasonable price

Inactive Publication Date: 2010-12-15
营口巨成教学科技开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Thermoplastic elastomer TPVC (polyvinyl chloride thermoplastic elastomer) has strong tensile strength, good weather resistance and relatively low price; thermoplastic elastomer TPU (thermoplastic polyurethane elastomer) has excellent low temperature resistance, superior Excellent elastic elongation and very low permanent set, but poor weather resistance and relatively expensive

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Refer to Table 1 for the components and weight ratios of the thermoplastic elastic composition.

[0018] Table 1 Components and parts by weight ratio of the thermoplastic elastomer composition

[0019]

[0020] Note: ①The pigment mentioned is any one or more of Lithor Red, Lithor Scarlet, Benzidine Yellow, Direct Fast Yellow, Phthalocyanine Blue, Titanium Green or Titanium Dioxide.

[0021] Preparation:

[0022] A. prepare materials according to the components listed in Table 1 and the parts by weight;

[0023] B. First, add the components provided in step A into the mixing mixer and stir evenly;

[0024] C. Mastication: heat up the temperature of each section of the plastic extrusion granulator to 100°C-160°C, feed the material, and control the temperature of each section at 100°C-160°C at a speed of 28-32 rpm. The raw materials are fully mixed, masticated, cooled, and automatically pelletized to obtain a thermoplastic elastomer composition.

[00...

Embodiment 2、 Embodiment 3

[0050] Embodiment 2, embodiment 3, embodiment 4 and embodiment 5

[0051] See Table 1, Table 2, Table 3 and Table 4 for the components and parts by weight ratio of the thermoplastic elastomer composition, thermoplastic polyurethane elastomer, polyvinyl chloride thermoplastic elastomer and styrene elastomer, and its preparation method and embodiment 1 is the same.

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Abstract

The invention discloses a thermoplastic elastomer composition which is plasticated by the following main components by weight: 100 parts of polyurethane thermoplastic elastomers, 30-150 parts of polyvinyl chloride thermoplastic elastomers, 25-50 parts of styrene elastomers, 0-30 parts of blend and 4-8 parts of auxiliaries, wherein the auxiliary is any one or more of a composite rare-earth stabilizer, zinc stearate, calcium stearate, stearic acid or polyethylene wax; and the blend is butyronitrile N18. The invention selects the thermoplastic elastomers with similar polarity and complementary properties to be synthesized and used and selects compatilizers to organically combine several best molecules with different structures, so that the generated novel thermoplastic elastomer has superior performance and appropriate price, can meet the requirements of market products and has wide application range because the product has the technical advantages of excellent oil resistance, resistance to low temperature of minus 35 DEG C, acid-alkali resistance, aging resistance and lower proportion than the vulcanized products with the same price.

Description

technical field [0001] The invention relates to a plastic or rubber material, especially a thermoplastic elastomer and a production method thereof. Background technique [0002] Thermoplastic elastomer TPVC (polyvinyl chloride thermoplastic elastomer) has strong tensile strength, good weather resistance and relatively low price; thermoplastic elastomer TPU (thermoplastic polyurethane elastomer) has excellent low temperature resistance, superior High elastic elongation and very low permanent set, but poor weather resistance and relatively expensive. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a thermoplastic elastomer with good weather aging resistance, low temperature resistance and low cost. [0004] In order to solve the above-mentioned technical problems, the present invention is formed by plasticizing the following weight components: 100 parts of thermoplastic polyurethane elastomer (TPVC), 30-150 parts ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08L75/06C08L75/08C08L27/06C08L53/02C08L51/06C08L9/02C08K13/02C08K5/098C08K5/09
Inventor 卢凤江李长吉闫体景郑项丹张子刚靖勇闫俊龙袁杰吴军亮史闻敏
Owner 营口巨成教学科技开发有限公司
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