Rubber composition and application thereof

A technology of rubber composition and styrene-butadiene rubber, which is applied in the direction of building structure, building components, building insulation materials, etc., can solve the problems of poor flex fatigue resistance, poor processing safety, poor processing stability, etc., and achieve physical and mechanical properties Good, long-term stable performance, high cross-linking vulcanization efficiency

Active Publication Date: 2016-07-20
NANJING SIKAI RUBBER & PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is poor flex fatigue resistance and prone to blooming
Although the effective vulcanization system formula with high TMTD is widely used, it has poor processing stability and serious frosting
(3) Dynamic equilibrium vulcanization system, usually a vulcanization system with anti-vulcanization reduction performance, the dynamic performance is better than that of effective and semi-effective vulcanization system, but it cannot reach the dynamic performance of conventional vulcanization s

Method used

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  • Rubber composition and application thereof
  • Rubber composition and application thereof
  • Rubber composition and application thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0094] General application of the present invention: butadiene rubber, natural rubber and styrene-butadiene rubber account for more than 70-85% of the rubber (raw rubber) weight, 100% is certainly more possible, and other ingredients are generally polymer materials containing ethylenic bonds; other ingredients Such as a small amount of binary or EPDM rubber, polypropylene, maleic anhydride binary or EPDM rubber (EPDM is a copolymer of ethylene, propylene or / and a small amount of non-conjugated diene, or other olefin low Polymer), does not exclude the use of other recycled rubber, secondary rubber powder (which can also be included in the filler system), etc.

[0095] The peroxide initiator is (1) di-tert-butyl peroxide, benzoyl peroxide, lauroyl peroxide; (2) hydroperoxide (cumene hydroperoxide, tert-butyl hydroperoxide); (3) Dialkyl peroxide (di-tert-butyl peroxide, dicumyl peroxide); (4) tert-butyl peroxybenzoate, tert-butyl peroxy-tert-valerate; (5) peroxide Oxidized methy...

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Abstract

The invention relates to a rubber composition. The rubber composition is prepared from the ingredients in parts by mass: 80-120 parts of crude rubber, 1-5 parts of peroxide initiator, 2-15 parts of bridging agent, 0.1-1 part of free-radical absorption and release regulator and reinforcing and anti-aging agents, wherein the crude rubber comprises any one to any three of polybutadiene rubber, natural rubber and styrene-butadiene rubber and accounts for 70 percent or more of mass of the crude rubber. According to the rubber composition and the application thereof, a formula of the rubber composition and adjuvants for product cross-linking and the like is provided, so that the requirements of a technical scheme for representatives, i.e., tires, shoe materials and wear resisting plates on good properties and good industrial adaptability effect can be met; cost and environmentally-friendliness can be taken into account simultaneously.

Description

1. Technical field [0001] The invention relates to a rubber composition, that is, a crosslinking formulation of a rubber product, as well as a preparation method and application. 2. Background technology [0002] Butadiene rubber (China's output has a million tons) and natural rubber and styrene-butadiene rubber are general-purpose rubber. The products mainly cover tires, shoe soles, plates and pipes. They are the largest products in rubber. The vulcanization process has been developed for many years and Mature history; vulcanizing agent is called bridging agent. .In the industry, it is also called bridging agent according to the explanation of HG / T3060-1988 (1997) "Non-carbon black compounding agent term for rubber": vulcanizing agent; curing agent--a substance that can vulcanize (crosslink) rubber. Divided into inorganic and organic categories. The former category includes sulfur, sulfur monochloride, selenium, tellurium and so on. The latter category includes sulfur-co...

Claims

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Application Information

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IPC IPC(8): C08L9/00C08L7/00C08L9/06C08L91/06C08L21/00C08L23/16C08L95/00C08L23/12C08L23/06C08K13/02C08K3/36C08K5/3445C08K5/098C08K5/14
CPCC08K3/36C08K5/098C08K5/14C08K5/3445C08K13/02C08L7/00C08L9/00C08L9/06C08L2201/02C08L2205/025C08L2205/03C08L2205/035C08L91/06C08L21/00C08L23/16C08L95/00C08L23/12C08L23/06
Inventor 盛钧
Owner NANJING SIKAI RUBBER & PLASTIC PROD CO LTD
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