Chloroprene rubber composition

Abstract

The invention relates to a chloroprene rubber composition. The chloroprene rubber composition comprises the following components of chloroprene rubber, butadiene styrene rubber, sulfur, zinc oxide, an anti-aging agent RD, hard china clay, semi-reinforcing furnace black, high-activity carbon black, an accelerant CZ, an accelerant TS, an accelerant TRA, dibutyl sebacate, diaryl para phenylene diamine, gamma-sulfydryl propyl trimethoxy silane, phenyl-beta and a mixture of naphthylamine and diphenyl para phenylene diamine. The butadiene styrene rubber and the chloroprene rubber are used in a combination way, and the coaction of auxiliary agents such as the diaryl para phenylene diamine, the dibutyl sebacate and the like is realized, so that the low-temperature cold resistance of the chloroprene rubber is further improved, the brittleness temperature of the chloroprene rubber can reach -56 DEG C without rubber fracture, and the chloroprene rubber has high oil resistance and other properties without obvious changes. The using value of the chloroprene rubber is improved while the cold resistance of the chloroprene rubber is improved, so that the chloroprene rubber composition has great significance of better exerting effects of a chloroprene rubber material and a chloroprene rubber material product in fields of automobiles, petrochemical industry and the like, the safety control of the product is improved, and the service life of the product is prolonged.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a cold-resistant chloroprene rubber composition. Background technique [0002] Rubber products are more and more widely used in automobiles, aerospace, oil exploration and other fields. With the in-depth development of these fields, the demand for rubber continues to increase, and the performance requirements for rubber are becoming more and more stringent. For automobiles The low temperature resistance of rubber products used in the field puts forward higher requirements. Due to the special working environment of rubber products, it is necessary to have good oil resistance and solvent resistance and remain stable for a long time under low temperature conditions. [0003] Chloroprene rubber is a high molecular elastomer made of 2-chloro-1,3-butadiene as a monomer through emulsion polymerization. As a general-purpose special rubber, neoprene has good physical and mechanical prope...

AI Technical Summary

Problems solved by technology

However, neoprene rubber has poor cold resistance. When the temperature is too low, the rubber molecular chain is frozen, which can completely lose its elasticity, and the rubber product becomes hard and brittle.

Thus affecting the service life of rubber products

The rubber products produced by the standard process all have deficiencies in low temperature and cold resistance

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