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Anti-aging modified natural rubber composite material

A technology of natural rubber and composite materials, applied in the field of rubber materials, can solve the problems of rubber stickiness, limited application, cracking, etc., and achieve the effects of reducing compression permanent deformation, improving vulcanization performance, and increasing aging resistance

Active Publication Date: 2016-09-07
苏州技佳橡塑有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the chemical composition of natural rubber is mainly cis-1,4-polyisoprene, which contains a large number of unsaturated double bonds, which is easy to carry out autocatalytic reaction with oxygen in the air, causing molecular chain scission or excessive crosslinking, Viscosity and cracks occur in rubber, which greatly limits its application in practice

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An aging-resistant modified natural rubber composite material proposed by the present invention, its raw materials include by weight: 100 parts of natural rubber, 35 parts of cis-butadiene rubber, 20 parts of styrene-butadiene rubber, 25 parts of nitrile rubber, epoxidized natural rubber 2 parts, 4 parts of nano zinc oxide, 1 part of stearic acid, 1 part of sulfur, 0.2 part of dicumyl peroxide, 0.2 part of triallyl trimellitate, 0.1 part of p-tert-butyl phenolic resin, nano-carbonic acid 15 parts of calcium, 5 parts of precipitated silica, 20 parts of purple carbon black, 3 parts of nanocrystalline cellulose, 15 parts of nano-silica, 0.5 parts of antioxidant, 0.5 parts of potassium isopropyl xanthate, dibenzyl 0.2 part of amine, 1 part of tetrahydrofurfuryl amine, 0.5 part of isopropyl trioleoyl titanate, 2 parts of vinyl tris(β-methoxyethoxy) silane, 1 part of diethylene glycol distearate , 3 parts of polyethylene adipate.

Embodiment 2

[0019] An aging-resistant modified natural rubber composite material proposed by the present invention, the raw materials by weight include: 100 parts of natural rubber, 20 parts of cis-butadiene rubber, 40 parts of styrene-butadiene rubber, 5 parts of nitrile-butadiene rubber, and epoxidized natural rubber. 5 parts, 1 part of nano zinc oxide, 3 parts of stearic acid, 0.1 part of sulfur, 1.5 parts of dicumyl peroxide, 0.01 part of triallyl trimellitate, 0.5 part of p-tert-butyl phenolic resin, nano-carbonic acid 3 parts of calcium, 15 parts of precipitated silica, 5 parts of purple carbon black, 12 parts of nanocrystalline cellulose, 3 parts of nano-silica, 2,2′-ethylenebis(4,6-di-tert-pentyl) base phenol) 2.5 parts, potassium isopropyl xanthate 0.1 parts, dibenzylamine 0.5 parts, tetrahydrofurfuryl amine 0.2 parts, trioleoyl isopropyl titanate 2.5 parts, vinyl tris (β-methoxyethyl alcohol) oxy)silane 0.3 parts, diethylene glycol distearate 2.5 parts, polyethylene adipate 1 pa...

Embodiment 3

[0021] An aging-resistant modified natural rubber composite material proposed by the present invention, its raw materials include by weight: 100 parts of natural rubber, 33 parts of cis-butadiene rubber, 27 parts of styrene-butadiene rubber, 21 parts of nitrile-butadiene rubber, epoxidized natural rubber 3 parts, 3.5 parts of nano zinc oxide, 1.9 parts of stearic acid, 0.8 parts of sulfur, 0.6 parts of dicumyl peroxide, 0.15 parts of triallyl trimellitate, 0.4 parts of p-tert-butyl phenolic resin, nano carbonic acid 9 parts of calcium, 11 parts of precipitated silica, 14 parts of purple carbon black, 12 parts of nanocrystalline cellulose, 10 parts of nano-silica, 2.1 parts of thiourea antioxidant, 0.2 parts of potassium isopropyl xanthate , 0.42 parts of dibenzylamine, 0.46 parts of tetrahydrofurfuryl amine, 2.2 parts of trioleoyl isopropyl titanate, 1.2 parts of vinyl tris (β-methoxyethoxy) silane, diethylene glycol distearate 2.2 parts of ester, 1.8 parts of polyethylene adi...

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Abstract

The invention discloses an anti-aging modified natural rubber composite material. The anti-aging modified natural rubber composite material is prepared from natural rubber, butadiene rubber, butadiene styrene rubber, butadiene-acrylonitrile rubber, epoxidized natural rubber, nano-zinc oxide, stearic acid, sulfur, dicumyl peroxide, triallyl trimellitate, p-tert-butyl-phenolic resin, nano calcium carbonate, precipitated silica, carbon black purple, nano-microcrystalline cellulose, nano-silicon dioxide, an anti-aging agent, potassium iso-propyl xanthate, dibenzylamine, tetrahydrofurfurylamine, isopropyl trioleoyl titanate, vinyltris(beta-methoxyethoxy)silane, diethylene glycol distearate and polyethyl dialcohol adipate. The anti-aging modified natural rubber composite material is high in strength, good in heat resistance and aging resistance and capable of meeting the usage requirements of multiple fields of cables, rubber pipes and the like.

Description

technical field [0001] The invention relates to the technical field of rubber materials, in particular to an aging-resistant modified natural rubber composite material. Background technique [0002] Natural rubber has high elasticity at room temperature, is slightly plastic, has very good mechanical strength, small hysteresis loss, and low heat generation during multiple deformations, so its flexural resistance is also very good, and its shock resistance and drop The noise effect is obvious. At present, it has been widely used in cables, pipes and other fields. However, the chemical composition of natural rubber is mainly cis-1,4-polyisoprene, which contains a large number of unsaturated double bonds and is prone to autocatalytic reaction with oxygen in the air, resulting in molecular chain scission or excessive cross-linking. The rubber sticks and cracks, which greatly limits its practical application. SUMMARY OF THE INVENTION [0003] Based on the technical problems ex...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L9/06C08L9/02C08L15/00C08L1/04C08L67/02C08K13/02C08K3/22C08K5/09C08K3/06C08K5/14C08K3/26C08K3/36
CPCC08K2201/003C08K2201/011C08L7/00C08L2201/08C08L2203/18C08L2203/202C08L2205/02C08L2205/035C08L9/00C08L9/06C08L9/02C08L15/00C08L1/04C08L67/02C08K13/02C08K2003/2296C08K5/09C08K3/06C08K5/14C08K2003/265C08K3/36
Inventor 刘洋王雅新陈雷刘晓燕姜雨虹寇蔷薇杨景海
Owner 苏州技佳橡塑有限公司
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