Low-compression permanent deformation rubber covered roller silicon rubber and preparation method thereof

Abstract

The invention discloses a low-compression permanent deformation rubber covered roller silicon rubber and a preparation method thereof. The rubber comprises the following components in parts by weight:100 parts of a silicon rubber, 20-70 parts of white carbon black, 15-50 parts of a filling agent, 1-3 parts of a structuring control agent, 2-6 parts of a heat resistant agent, 0.1-1 part of a coupling agent and 0.1-1 part of a demolding agent. The rubber covered roller silicon rubber disclosed by the invention is stable in quality, excellent in aging resistance, mechanical property, physical property and chemical property, and good in use effect. Meanwhile, the rubber covered roller silicon rubber is simple in preparation method, convenient in process, good in operability, stable in qualityand good in practicability, is capable of solving the problems that a conventional rubber covered roller silicon rubber is poor in temperature resistance and high in permanent compression deformation,and has the characteristics of being small in permanent compression deformation, high in aging resistance rate, and the like while high strength and tearing resistance are met, and modes such as silicon rubber matching and powder selection and treatment can be multiply modified.

Description

technical field [0001] The invention relates to the field of rubber rollers, in particular to a silicone rubber with low compression set for rubber rollers and a preparation method thereof. Background technique [0002] The rubber roller is generally a roller-shaped product made of a core of metal and other materials, and the outer surface is covered with rubber. The rubber material covered on the outside is different, the characteristics of the rubber roller are also different, and the application is also different. [0003] Rubber rollers can be divided into natural rubber rollers, butyl rubber rollers, nitrile rubber rollers, neoprene rubber rollers, ethylene propylene rubber rollers, fluorine rubber rollers, polyurethane rubber rollers, silicone rubber rollers and carbon fiber rollers according to their materials. Among them, the silicone rubber roller has good high temperature resistance, high pressure resistance, ozone resistance, chemical inertness and non-adhesion t...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the technical problems existing in the background technology, the present invention proposes a kind of low compression set cot silicone rubber and its preparation method, which solves the problems of existing cot silicone rubber temperature resistance difference and high compression set; Rubber matching, powder selection and treatment are carried out in multiple ways, and in the case of high strength and tearing, the compression set is small and the aging retention rate is high.