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A kind of rubber composition containing organic acid zinc phenolic resin compound and its preparation method and application

A technology for a rubber composition and a phenolic resin, which is applied in the field of rubber materials, can solve the problems of failing to exhibit performance, insufficient cross-linking degree of a compound of an alkyl phenolic resin and an organic acid zinc salt, etc., and achieves a good anti-reversion effect. , The effect of improving mechanical properties and improving adhesion properties

Active Publication Date: 2021-03-05
BEIJING RED AVENUE INNOVA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The softening point of the complex of alkylphenolic resin and organic acid zinc salt is lower than that of alkylphenolic resin, indicating that the degree of crosslinking of the complex of alkylphenolic resin and organic acid zinc salt is not enough, resulting in failure to reflect its proper performance

Method used

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  • A kind of rubber composition containing organic acid zinc phenolic resin compound and its preparation method and application
  • A kind of rubber composition containing organic acid zinc phenolic resin compound and its preparation method and application
  • A kind of rubber composition containing organic acid zinc phenolic resin compound and its preparation method and application

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Embodiment Construction

[0044] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific examples. It should be pointed out that all similar substitutions and modifications are obvious to those skilled in the art, and they are all deemed to be included in the present invention.

[0045] Preparation of composite samples of organic acid zinc and phenolic resin

[0046] The preparation method of zinc organic acid and phenolic resin compound in the embodiment, concrete steps are as follows:

[0047] The preparation of organic acid zinc phenolic resin compound by chemical melt blending method comprises the following steps: adding phenolic resin into a four-neck flask, and installing a reflux device, a stirring paddle, a thermometer and an electric heating device. Under the protection of nitrogen, heat SL2005 phenolic resin (softening point temperature 115.8...

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Abstract

The invention discloses a rubber composition containing an organic acid zinc phenolic resin compound, a preparation method and an application thereof. The rubber composition comprises 100 parts of rubber, 1.0 to 30.0 parts of organic acid zinc phenolic resin compound, 40.0 to 120.0 parts of carbon black and 3.0 to 10.0 parts of sulfur, and may also contain process oil, vulcanization accelerator, methylene donor and other additives. Among them, the coordination cross-linking bond formed by the organic acid zinc phenolic resin compound can increase the strength and heat resistance of the phenolic resin, and the structure of the organic acid can also increase the compatibility between the phenolic resin and rubber, and the compound will improve the phenolic resin. The rubber composition has the characteristics of high modulus, low initial Mooney viscosity, improved fatigue life, and outstanding mechanical properties after high temperature aging.

Description

technical field [0001] The invention relates to the field of rubber materials, in particular to a rubber composition containing an organic acid zinc phenolic resin compound and a preparation method and application thereof. Background technique [0002] The apex is the main filler in the bead part and plays a role in supporting the sidewall. The bead of the tire is a rigid structure, which plays the role of bearing and fixing, and the sidewall is an elastic structure, which has the function of cushioning and vibration reduction. If the rigid structure is directly connected to the elastic structure, the joint is easily broken, so connecting the bead and the sidewall through the apex can play a role of slow transition. Therefore, the apex rubber is required to have high hardness, high rigidity but not brittleness, and certain flex resistance. Under the premise of ensuring the good processing performance, flex resistance, heat aging resistance and low heat generation of the ap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08L91/00C08L91/06C08L61/06C08K13/02C08K5/098C08K3/04C08K3/22C08K5/09C08J3/24
CPCC08J3/24C08J2361/06C08K2003/2296C08L7/00C08L2201/08C08L2205/035C08L91/00C08L91/06C08L61/06C08K13/02C08K5/098C08K3/04C08K3/22C08K5/09
Inventor 李红伟甄博鸣陈强蒋小强姚居峰王光辉董栋张宁
Owner BEIJING RED AVENUE INNOVA
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