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Preparation method for modified mica powder

A mica powder and modification technology, applied in the field of preparation of modified mica powder, can solve the problems of difficulty in exerting a reinforcing effect, agglomeration, etc., and achieve the effects of improving oil resistance and process performance, improving compatibility, and being difficult to structure.

Inactive Publication Date: 2015-12-16
成都棕通石油配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high surface energy of mica powder, direct filling is prone to agglomeration, and it is difficult to exert its reinforcing effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of modified mica powder is characterized in that comprising the following steps:

[0020] a, mica is pulverized to 1000 mesh;

[0021] b. Mix the pulverized mica powder and titanate at a mass ratio of (50~60):1 to obtain a mixture A;

[0022] c. Stir and heat the mixture A, the heating temperature is 80-95° C., and the heating time is 15-20 minutes. After heating and modification, the modified mica powder is obtained.

Embodiment 2

[0024] A preparation method of modified mica powder is characterized in that comprising the following steps:

[0025] a, mica is pulverized to 1000 mesh;

[0026] b. Mix the pulverized mica powder and titanate at a mass ratio of 50:1 to obtain mixture A;

[0027] c. Stir and heat the mixture A, the heating temperature is 80° C., and the heating time is 20 minutes. After heating and modification, the modified mica powder is obtained.

Embodiment 3

[0029] A preparation method of modified mica powder is characterized in that comprising the following steps:

[0030] a, mica is pulverized to 1000 mesh;

[0031] b. Mix the pulverized mica powder and titanate at a mass ratio of 60:1 to obtain mixture A;

[0032] c. Stir and heat the mixture A, the heating temperature is 95° C., and the heating time is 15 minutes. After heating and modification, the modified mica powder is obtained.

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Abstract

The invention provides a preparation method for modified mica powder used for rubber product filler, and belongs to the field of preparation for mica powder. In order to overcome the technical problem that the mica powder has high surface energy in the prior art, thus agglomeration is quite easy to generate when fill with the rubber raw material, and reinforcement effect is difficult to perform, the invention provides the preparation method for modified mica powder. The preparation method comprises implementing surface modification processing for the mica powder by using titanate, and controlling the modified time and temperature. The prepared modified mica powder can be used as semi-reinforcing filler and bulking filler to increase the volume and mass of the rubber, and reduce the production cost. Moreover, the hardness of the rubber is raised, and the oil resistant performance and technological performance are improved. The modified mica powder can be used for rubber product filler widely.

Description

technical field [0001] The invention belongs to the field of mica powder preparation, and in particular relates to a preparation method of modified mica powder used as filler for rubber products. Background technique [0002] Rubber products mainly refer to products produced and processed using natural and synthetic rubber as the main raw materials, including [0003] Including rubber products remanufactured from waste rubber. Because the types of rubber products are more complicated. making it difficult to carry out detailed [0004] categorized. Under normal circumstances, rubber products can be roughly divided into two categories: natural rubber products and synthetic rubber products. [0005] Natural rubber products. The main raw material used in this type of rubber products is natural rubber, which is mainly produced in clover rubber. After the rubber tree skin is cut, milky white liquid will flow out, which is usually called latex. After latex is processed, natu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/40C09C3/08C08L21/00C08K9/04C08K3/34
Inventor 祈琪黄明
Owner 成都棕通石油配件有限公司
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