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White carbon black dispersant for rubber and preparation method of white carbon black dispersant

A technology of white carbon black and dispersant, which is applied in the field of white carbon black dispersant for rubber and its preparation, can solve the problems of complex use of silane coupling agent and dispersant, serious environmental pollution, and inconspicuous effect, etc., and achieve Improve processing safety performance, control product quality, and reduce prices

Active Publication Date: 2013-12-18
SHANDONG YANGGU HUATAI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large amount of high-salt organic wastewater will be produced in the production process of silane coupling agent, which will seriously pollute the environment, and the price is relatively expensive
Fatty acid zinc soaps and fatty acid esters are only used as dispersions to physically modify white carbon black, but the effect is not obvious, and the use of silane coupling agents and dispersants is cumbersome.

Method used

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  • White carbon black dispersant for rubber and preparation method of white carbon black dispersant
  • White carbon black dispersant for rubber and preparation method of white carbon black dispersant
  • White carbon black dispersant for rubber and preparation method of white carbon black dispersant

Examples

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Effect test

Embodiment 1

[0045] The formula of the white carbon black dispersant for rubber of the present invention is: 60 parts of stearic acid amide, 25 parts of pentaerythritol tetraester stearate, and 15 parts of plasticizer A (saturated and unsaturated mixed fatty acid zinc soap).

[0046] The preparation method is as follows: Stir and melt fatty acid soap salt and fatty acid ester at 100°C, then add fatty acid amide or fatty acid amine at 115°C and stir to melt, pour out and cool to form tablets or melt and granulate to obtain new white rubber for rubber Carbon black dispersant. The preparation process flow chart is shown in Figure 5 .

Embodiment 2

[0048] The formulation of the white carbon black dispersant for rubber of the present invention is: 50 parts of stearic acid amide, 30 parts of pentaerythritol tetraester stearate, and 20 parts of plasticizer A (saturated and unsaturated mixed fatty acid zinc soap). The preparation method is the same as in Example 1.

Embodiment 3

[0050] The formulation of the white carbon black dispersant for rubber of the present invention is: 55 parts of stearic acid amide, 25 parts of pentaerythritol tetraester stearate, and 15 parts of plasticizer A (saturated and unsaturated mixed fatty acid zinc soap). The preparation method is the same as in Example 1.

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Abstract

The invention discloses a white carbon black dispersant for rubber. The white carbon black dispersant is characterized by comprising the following raw materials in parts by weight: 30-70 parts of fatty acyl amide / acid amide, 10-30 parts of fatty acid ester and 0-30 parts of fatty acid soap salt. The invention also discloses a preparation method of the white carbon black dispersant. The preparation method is simple and rapid; and the obtained white carbon black dispersant has multiple functions such as dispersion, lubrication and chemical modification, can be used for improving the processing safety performance as well as physical and mechanical properties of a rubber material and increasing the curing speed of the rubber material and is remarkable in effect.

Description

technical field [0001] The invention relates to a white carbon black dispersant for rubber and a preparation method thereof, belonging to the technical field of fine chemicals. Background technique [0002] In order to improve the mechanical strength, wear resistance and wet skid resistance of the tire, it is necessary to add a large amount of filling and reinforcing agent silica to the rubber. Due to the presence of a large number of silanol groups on the surface of silica, these groups are easy to aggregate and agglomerate, and it is difficult to disperse uniformly during tire processing, and the Mooney viscosity of the compound is easy to rebound, thereby affecting the mechanical properties. Therefore, it has become a major problem in today's tire production and processing to disperse silica well and evenly in rubber and improve the fluidity of the rubber compound. [0003] In order to disperse silica in rubber, silane coupling agent is generally added, and the effect is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/02C08K3/36C08K5/20C08K5/103C08K5/098
Inventor 李剑波郭庆飞张琳李云峰
Owner SHANDONG YANGGU HUATAI CHEM
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