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Ultra-high molecular weight polyethylene resin composition and application thereof

A polyethylene resin, ultra-high molecular weight technology, applied in the field of resin composition, can solve the problems of weak strength and impact resistance of glass fibers or glass beads, to improve mechanical properties and electrical insulation properties, improve smoothness and wear resistance Performance, the effect of slowing down the auto-oxidation reaction speed

Active Publication Date: 2013-04-03
北京蓝星清洗有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: due to the relatively weak strength and impact resistance of the glass fiber or glass microspheres in the composition, although the product has good wear resistance, it cannot be used for long-term performance requirements such as load bearing and impact resistance. Strict occasion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Ultra-high molecular weight polyethylene resin (molecular weight is 2 million, density is 0.945g / cm 3 ) 55 parts by weight, 25 parts by weight of glass fiber, 3 parts by weight of carbon black, 1 part by weight of γ-aminopropyl triethoxysilane, tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl ) Propionic acid] 0.02 parts by weight of pentaerythritol ester, 0.005 parts by weight of bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, 2 parts by weight of oleic acid amide and 2 parts by weight of nano titanium oxide. Performance tests were performed on composite panels prepared from the composition by extrusion. The tensile strength of the product is tested according to the national standard GB / T 1040-2006 using a universal material testing machine. The experiment was repeated six times, and the tensile strength of the plate was measured to be 33.4 MPa. Standard Rockwell hardness tester is used to test the Rockwell hardness of the product according to the national st...

Embodiment 2

[0043] Ultra-high molecular weight polyethylene resin (molecular weight is 2.2 million, density is 0.940g / cm 3) 67 parts by weight, 22 parts by weight of sepiolite fiber, 1 part by weight of carbon black, 0.1 part by weight of vinyl trichlorosilane, tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] 0.004 parts by weight of pentaerythritol ester, 0.001 part by weight of dilauryl thiodipropionate, 0.5 parts by weight of oleic acid amide and 1 part by weight of kaolin. Performance tests were performed on composite panels prepared from the composition by extrusion. The tensile strength of the product is tested according to the national standard GB / T 1040-2006 using a universal material testing machine. The experiment was repeated six times, and the tensile strength of the plate was measured to be 34.1 MPa. The standard Rockwell hardness tester is used to test the Rockwell hardness of the product according to the national standard GB / T3398.2-2008. The experiment w...

Embodiment 3

[0045] Ultra-high molecular weight polyethylene resin (molecular weight is 2 million, density is 0.935g / cm 3 ) 60 parts by weight, 30 parts by weight of glass fiber, 3 parts by weight of carbon black, 0.5 parts by weight of vinyltriethoxysilane, 2,2-thiobis[3-(3,5-di-tert-butyl-4- 0.02 parts by weight of ethyl hydroxyphenyl) propionate, 0.005 parts by weight of ditetradecyl thiodipropionate, 2 parts by weight of polyethylene wax and 3 parts by weight of bauxite. Performance tests were performed on composite panels prepared from the composition by extrusion. The tensile strength of the product is tested according to the national standard GB / T 1040-2006 using a universal material testing machine. The experiment was repeated six times, and the tensile strength of the plate was measured to be 35.1 MPa. Standard Rockwell hardness tester is used to test the Rockwell hardness of the product according to the national standard GB / T 3398.2-2008. The experiment was repeated six times,...

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Abstract

The invention relates to an ultra-high molecular weight polyethylene resin composition which comprises the following components in parts by weight: 55-80 parts of ultra-high molecular weight polyethylene resin, 10-40 parts of reinforced fiber, 0.5-8.0 parts of carbon black, 0.005-1.05 parts of antioxygen, 0.1-3.0 parts of silane coupling agent, 0.5-8.0 parts of solid lubricant and 0.5-8.0 parts of inorganic filler. The composite material plate prepared by the ultra-high molecular weight polyethylene resin composition has the advantages of favorable wear resistance, shock resistance, vibration reduction and corrosion resistance, high mechanical strength, and is especially applicable to the surface layer of structural parts with high wear resistance requirement, such as vehicle base plates and the side plate linings.

Description

technical field [0001] The invention relates to a resin composition, in particular to an ultra-high molecular weight polyethylene resin composition, and its application. Background technique [0002] At present, metal materials and fiber composite materials are commonly used in the manufacture of vehicle panels. [0003] Metal materials often wear and scratch during use, and the long-term wear resistance is not ideal. It is one of the current important research and development goals in this field to develop a polymer composite friction material with a relatively stable friction coefficient, less affected by the external environment and temperature, and less wear and scratch during friction operation. [0004] Polymer composite friction material is a system with a complex structure, generally composed of three parts, ①Matrix: various binders (such as resin, etc.) or metal matrix and various non-metallic substrates such as ceramics and glass; ②Fiber Materials (such as asbest...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K13/04C08K7/14C08K7/06C08K7/12C08K7/10C08K3/04C08K5/54
Inventor 杨刚孟秀青胡伟刘欣彤
Owner 北京蓝星清洗有限公司
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