Integrated rubber SIBR (Styrene Isoprene Butadiene Rubber) and preparation method thereof

Abstract

The invention relates to an integrated rubber SIBR (Styrene Isoprene Butadiene Rubber) and a preparation method thereof. The integrated rubber SIBR is prepared from 10-30 parts by weight of styrene, 20-60 parts by weight of isoprene, 10-30 parts by weight of butadiene, 0.1-1 part by weight of cyclohexane and 0.1-1 part by weight of n-butyllithium. By adopting a method of once charging and reaction extruding, the content of entire alkadiene is increased to above 75 percent; and mechanical properties of tensile strength, bending strength, impact strength, tearing strength and the like of the prepared integrated rubber SIBR are superior to those of an existing product, and important research significance and application value are obtained.

Description

[0001] technical field

[0002] The invention relates to the technical field of integrated rubber, in particular to an integrated rubber SIBR and a preparation method thereof.

[0003] Background technique

[0004] Tires are the main products of the rubber industry, and their rubber consumption generally accounts for 50-60% of the total rubber consumption; with the rapid development of the automobile industry, higher requirements are put forward for the wet skid resistance and wear resistance of tires. Require. Studies have shown that there is an obvious contradiction between the properties of general-purpose tread rubber. Rubber with low rolling resistance and good wear resistance has poor wet skid resistance, and vice versa. For this reason, in the 1990s, people proposed the integrated rubber SIBR, which can overcome the contradiction between the three major driving properties of rolling resistance, traction and wear resistance that cannot be overcome by the tread made o...