High-wear-resistance and low-heat-generation carbon black masterbatch and preparation method thereof

A high wear-resistant, hot carbon black technology, applied in the rubber field, can solve the problems of uneven mixing, high energy consumption, shorten the mixing time, etc., to solve the problem of uneven mixing, excellent wear resistance, shorten the mixing time effect of time

Active Publication Date: 2021-12-31
BEIJING UNIV OF CHEM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Utilizing the carbon black masterbatch prepared by the invention for rubber mixing can shorten the mixing time and solve the problems of uneven mixing and high energy consumption

Method used

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  • High-wear-resistance and low-heat-generation carbon black masterbatch and preparation method thereof
  • High-wear-resistance and low-heat-generation carbon black masterbatch and preparation method thereof
  • High-wear-resistance and low-heat-generation carbon black masterbatch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Preparation of Copolymer Silane Coupling Agent

[0048] Using dioxane as solvent, 3-methacryloxypropyltriethoxysilane (SCA-R74E), methacrylic acid (MAA) and acrylate polyethylene glycol mercapto (AC-PEG-SH ) according to 3:1:1 molar ratio is mixed in a two-necked flask equipped with reflux condenser and nitrogen inlet, benzoyl peroxide (1% / wt) is added in the reaction flask, polymerized in constant temperature bath , the temperature was 80° C., and the reaction was carried out for 6 hours. Then the reaction mixture was poured into dry petroleum ether (b.p. 40-60°C) to precipitate the polymer, and the copolymer P-SiMASH was purified by repeated precipitation from benzene solution with petroleum ether. The purified samples were vacuum dried at 50°C to constant weight.

[0049] Preparation of carbon black masterbatch

[0050] Taking the natural rubber latex as 100 parts, add 50 parts of carbon black (N234) into 950 parts of water to prepare a carbon black aqueous soluti...

Embodiment 2

[0054] The specific operation steps are the same as in Example 1, except that the number of additions of the copolymer type silane coupling agent is 2 parts.

Embodiment 3

[0056] The specific operation steps are the same as in Example 1, except that the number of additions of the copolymer-type silane coupling agent is 6 parts.

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Abstract

The invention relates to a high-wear-resistance and low-heat-generation carbon black masterbatch and a preparation method thereof. The masterbatch comprises the following components by weight: 100 parts of rubber; 30-70 parts, preferably, 30-50 parts, of carbon black; and 0.5-30 parts, preferably, 3-10 parts of a copolymer type silane coupling agent. When the prepared carbon black masterbatch is used for rubber mixing, the mixing time can be shortened, and the problems of non-uniform mixing, high energy consumption and the like are solved. A prepared rubber product has excellent wear resistance, rolling resistance and heat generation performance, and provides a direction for the development of green tires.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a carbon black masterbatch with high wear resistance and low heat generation and a preparation method thereof. Background technique [0002] In the rubber industry, carbon black has been the most widely used reinforcing filler in tire production due to its nano-scale particle size, large specific surface area, high degree of structure and ability to form extensive interactions with rubber. Therefore, its presence can not only improve the mechanical strength of rubber, such as tensile strength and tear strength, reduce friction loss, but also reduce the amount of rubber used. Usually, the amount of rubber wear will decrease with the increase of carbon black, but when the amount increases to a certain extent, the wear will increase with the increase of carbon black, resulting in the increase of heat generation and hysteresis loss of the filling system. In addition, the particle siz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/02C08L51/08C08K3/04C08F283/06C08F230/08C08F220/06
CPCC08L7/02C08F283/065C08L51/08C08K3/04C08F230/085C08F220/06Y02T10/86
Inventor 吴晓辉富有斌王文才安鲁王宏张立群
Owner BEIJING UNIV OF CHEM TECH
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