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Modified butadiene styrene rubber

A styrene-butadiene rubber, modified technology, applied in the field of plastic products, can solve the problems of low strength, low elasticity and poor viscosity of raw rubber

Inactive Publication Date: 2015-10-21
TAICANG CHENZHOU PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the hysteresis loss is large, the heat generation is high, the elasticity is low, and the cold resistance is slightly poor, but the heat generation can be reduced after oil filling; the shrinkage is large, the raw rubber strength is low, and the viscosity is poor; the vulcanization speed is slow; flex cracking resistance natural rubber Good, but fast crack growth and poor hot tear performance

Method used

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Embodiment Construction

[0009] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0010] Described in the present invention is a kind of modified styrene-butadiene rubber, and described modified styrene-butadiene rubber is made up of styrene-butadiene rubber, reinforcing agent, dispersant, toughening agent, tackifier, coupling agent and plasticizer, so Described reinforcing agent is super wear-resistant carbon black N110, and described dispersant is ethylene group bis stearamide, and described toughening agent is polyvinyl acetate, and described tackifier is hydrogenated rosin resin, and described coupling agent It is vinyl tris (β-methoxyethoxy) silane, the plasticizer is dibutyl phthalate, and the parts by weight of the components of the modified styrene-butadiene rubber are...

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PUM

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Abstract

The invention discloses modified butadiene styrene rubber. The modified butadiene styrene rubber consists of butadiene styrene rubber, a reinforcing agent, a dispersing agent, a flexibilizer, a tackifier, a coupling agent and a plasticizer, wherein the reinforcing agent is super abrasion furnace black N110; the dispersing agent is ethylene distearamide; the flexibilizer is polyvinyl acetate; the tackifier is hydrogenated rosin resin; the coupling agent is vinyl tri(beta-methoxyethoxy) silane; and the plasticizer is dibutyl phthalate. According to the product, the reinforcing agent, the dispersing agent, the flexibilizer, the tackifier, the coupling agent and the plasticizer are added into the butadiene styrene rubber, so that the obtained modified butadiene styrene rubber has characteristics of high strength, convenience in processing, good elasticity, small shrinkage, good tear resistance, good viscidity and good dispersion.

Description

technical field [0001] The invention relates to the field of plastic products, in particular to a modified styrene-butadiene rubber. Background technique [0002] SBR, also known as polystyrene butadiene copolymer. Its physical structure performance, processing performance and product performance are close to natural rubber. Some properties such as wear resistance, heat resistance, aging resistance and vulcanization speed are better than natural rubber. It can be used together with natural rubber and various synthetic rubbers. It is widely used It is used in the production of tires, tapes, hoses, wires and cables, medical appliances and various rubber products. It is the largest general-purpose synthetic rubber variety and one of the earliest rubber varieties to achieve industrial production. [0003] Pure styrene-butadiene rubber has low strength and needs to be used after adding a highly active reinforcing agent; adding compounding agents to styrene-butadiene rubber is mo...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L31/04C08L93/04C08K13/02C08K3/04C08K5/20C08K5/5419C08K5/12
CPCC08L9/06C08L2205/03C08L31/04C08L93/04C08K13/02C08K3/04C08K5/20C08K5/5419C08K5/12
Inventor 方晓
Owner TAICANG CHENZHOU PLASTIC
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