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Low temperature resistant high-toughness rubber material

A rubber material and high toughness technology, applied in the field of rubber materials, can solve problems such as permanent deformation expansion, modulus increase, rubber elasticity loss, etc., and achieve the effects of long service life, good oil resistance and high tensile strength

Inactive Publication Date: 2015-02-25
昆山艾士比高分子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phenomenon shows that by exposing the rubber to an appropriate temperature, part of the irregular molecular structure inside the rubber will be rearranged, resulting in an increase in modulus, expansion of permanent deformation, and a decrease in the elasticity of the rubber over time. slowly lost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A rubber material with low temperature resistance and high toughness, comprising the following raw material components in parts by weight: 30 parts of natural rubber, 20 parts of butadiene rubber, 15 parts of silicon rubber, 15 parts of ethylene propylene rubber, 10 parts of calcium carbonate, and 5 parts of carbon black 3 parts of zinc oxide, 1 part of butyl rubber, 1 part of 2-mercaptobenzimidazole, 0.5 part of antioxidant 4010NA, and 0.1 part of dicumyl oxide.

Embodiment 2

[0017] A rubber material with low temperature resistance and high toughness, comprising the following raw material components in parts by weight: 40 parts of natural rubber, 30 parts of butadiene rubber, 20 parts of silicon rubber, 25 parts of ethylene propylene rubber, 12 parts of calcium carbonate, and 8 parts of carbon black 1 part, 5 parts of zinc oxide, 3 parts of butyl rubber, 2 parts of 2-mercaptobenzimidazole, 1 part of antioxidant 4010NA, 0.5 part of dicumyl oxide.

Embodiment 3

[0019] A rubber material with low temperature resistance and high toughness, comprising the following raw material components in parts by weight: 50 parts of natural rubber, 40 parts of butadiene rubber, 30 parts of silicon rubber, 30 parts of ethylene propylene rubber, 10-15 parts of calcium carbonate, carbon 10 parts of black, 8 parts of zinc oxide, 5 parts of butyl rubber, 3 parts of 2-mercaptobenzimidazole, 2 parts of antioxidant 4010NA, 1 part of dicumyl oxide.

[0020] The rubber material proposed by the invention has excellent cold resistance and is suitable for low temperature environments. Meanwhile, the rubber has high tensile strength, good toughness, excellent physical and mechanical properties, longer service life than similar rubbers in low temperature environments, and good oil resistance.

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PUM

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Abstract

The invention discloses a low temperature resistant high-toughness rubber material, comprising the following components in parts by weight: 30-50 parts of natural rubber, 20-40 parts of butadiene rubber, 15-30 parts of silicon rubber, 15-30 parts of ethylene propylene rubber, 10-15 parts of calcium carbonate, 5-10 parts of carbon black, 3-8 parts of zinc oxide, 1-5 parts of a flexibilizer, 1-3 parts of an antioxidant, 0.5-2 parts of anti-ageing agent and 0.1-1 part of a cross-linking agent. The rubber material disclosed by the invention has excellent cold resistance, and is suitable for a low-temperature environment; and meanwhile, the rubber is high in tensile strength, good in toughness, excellent in physical and mechanical properties, long in service life in comparison with similar rubber in the low-temperature environment, and good in oil resistance.

Description

technical field [0001] The invention relates to a polymer material, in particular to a rubber material with low temperature resistance and high toughness. Background technique [0002] Rubber, a highly elastic polymer material with reversible deformation. It is elastic at room temperature, can produce large deformation under a small external force, and can return to its original shape after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature and often a large molecular weight, greater than hundreds of thousands. The molecular chain of rubber can be cross-linked. When the cross-linked rubber is deformed by external force, it has the ability to recover quickly, and has good physical and mechanical properties and chemical stability. Rubber is the basic raw material of the rubber industry and is widely used in manufacturing Tires, hoses, tapes, cables and other various rubber products. [0003] The cold resistance of...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L83/04C08L23/16C08L23/22C08K13/02C08K3/26C08K3/04C08K3/22C08K5/37C08K5/14
CPCC08L7/00C08L2205/035
Inventor 不公告发明人
Owner 昆山艾士比高分子科技有限公司