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Preparation method of rubber and plastic filling agent

A filler, rubber and plastic technology, applied in the field of rubber and plastic filler preparation, can solve the problems of heavy pollution, heavy dependence on the oil industry, insufficient mining of coal application, etc., achieve good dispersion, reduce deformation, improve elasticity and impact The effect of intensity

Inactive Publication Date: 2012-10-10
XIAN UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (2) Serious dependence on the oil industry
[0007] (3) Large pollution
[0009] Coal has relatively large reserves in my country. In recent years, coal in my country is mainly burned, and coal chemical industry bases have also been established in some provinces, but the application of these coals has not been fully explored.

Method used

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  • Preparation method of rubber and plastic filling agent
  • Preparation method of rubber and plastic filling agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Method of the present invention comprises the following steps:

[0032] 1) Refining treatment of pulverized coal

[0033] The newly mined coal is pulverized to about 50um by an ordinary pulverizer first, and then ground in a ball mill at a rate of 200r / min for 100min to reach 5-6um.

[0034] Through a large number of experiments, the speed of the present invention is 200r / min when it is processed in a ball mill tank.

[0035] By sampling and analyzing the pulverized coal that has been ground for different times, the particle size of the pulverized coal can reach 5-6um when ground for 100 minutes. Therefore, according to the technical requirements of MT / T 804-1999 coal-based rubber filler, the requirements have been met, and the grinding time is determined to be 100min.

[0036] 2) Modifier configuration

[0037] Mix the silane coupling agent KH550 with a mass ratio of 75% and absolute ethanol at a mass ratio of 1:1, add polyvinyl alcohol with a mass ratio of 25%, and...

Embodiment 2

[0043] Method of the present invention comprises the following steps:

[0044] 1) Refining treatment of pulverized coal

[0045] The newly mined coal is pulverized to about 46um by an ordinary pulverizer, and then ground in a ball mill at a rate of 200r / min for 100min to reach 5-6um.

[0046] 2) Modifier configuration

[0047] Mix the silane coupling agent A-1120 with a mass ratio of 50% and absolute ethanol at a mass ratio of 1:1, and add polyethylene glycol with a mass ratio of 50%, and stir evenly to obtain a modifier;

[0048] 3) Preparation of new rubber and plastic fillers

[0049] Spray the modifier with a mass ratio of 2% in 98% coal powder, stir and mix it, move it into a container, put it in a water bath at 80°C, stir it at 1000r / min for 20min, take it out and dry it in a drying oven at 120°C for 2h, that is Get rubber and plastic fillers.

[0050] After a large number of experiments, it is determined that the amount of modifier used is 2-3% is the best.

Embodiment 3

[0052] Method of the present invention comprises the following steps:

[0053] 1) Refining treatment of pulverized coal

[0054] The newly mined coal is pulverized to about 40um by an ordinary pulverizer first, and then ground in a ball mill at a rate of 200r / min for 100min to reach 5-6um;

[0055] 2) Modifier configuration

[0056] Mix the silane coupling agent KBM-602 with a mass ratio of 65% and absolute ethanol at a mass ratio of 1:1, and add an OP emulsifier with a mass ratio of 35%, and stir evenly to obtain a modifier;

[0057] 3) Preparation of new rubber and plastic fillers

[0058] Spray the modifier with a mass ratio of 3% in 97% coal powder, stir and mix, move it into a container, put it in a water bath at 80°C, stir at 1100r / min for 20min, take it out, and dry it in a drying oven at 120°C for 1.5h. That is the rubber and plastic filler.

[0059] After a large number of experiments, it has been determined that the above-mentioned coupling agent is not limited t...

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Abstract

The invention discloses a preparation method of a rubber and plastic filling agent. The preparation method comprises the steps of 1) refining coal dust; 2) configuring a modifier; and 3) preparing the rubber and plastic filling agent: mixing the refined coal dust and the modifier, stirring and drying to obtain the rubber and plastic filling agent. According to the filling agent prepared by the processes of mixing, drying and the like, the preparation process is simple, the operation is easy, the filling agent can replace carbon black in common industries, and is superior to common carbon black in the aspects of electrical property, impact property, processing property and the like.

Description

technical field [0001] The invention relates to fillers for rubber reinforcing agents and plastic fillers, in particular to a preparation method for rubber and plastic fillers. Background technique [0002] The rubber industry and the plastics industry play a pivotal role in national life. In recent years, in order to better promote the development of rubber and plastic industries, the reinforcement of rubber and the low-cost filling of plastics without affecting the performance of plastics have been receiving much attention. Therefore, the filler has attracted extensive attention from the rubber industry and the plastics industry. For rubber fillers, it can increase the tensile strength of rubber, improve the processing performance of rubber, and reduce product cost. Fillers in plastics can greatly reduce the cost of the product and improve the processing performance of the product. In addition, to a certain extent, it can improve the various properties of the plastic pro...

Claims

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Application Information

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IPC IPC(8): C08J3/00
Inventor 昝丽娜方刚邵水源巨鹏何钊方世剑王渝岗庞青涛韩瑾
Owner XIAN UNIV OF SCI & TECH
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