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Preparation method of rubber powder composite material

A technology for composite materials and rubber powder, applied in the field of preparation of rubber powder composite materials, can solve problems such as poor compatibility, and achieve the effects of good environmental protection, enhanced mechanical properties, and improved hydrophilicity

Inactive Publication Date: 2015-07-08
ANHUI TONGFENG RUBBER & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After blending rubber powder and matrix materials such as rubber or plastic, their compatibility is poor due to different surface properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A preparation method of rubber powder composite material, comprising the steps of:

[0014] (1) Preparation of rubber powder: select waste tire rubber material, then use a pulverizer to crush it and grind it into rubber powder, put the rubber powder in a low-temperature plasma modification equipment for modification treatment, and then put the rubber powder at 80 Dry at ℃ for 24 hours;

[0015] (2) Rheological treatment: Add polar polyvinyl chloride, rubber powder, tribasic lead sulfate, dibasic lead phosphate, stearic acid and paraffin to the HAAKE torque rheological In the instrument mixer, the control rotation speed is 60r / min, and the mixing time is 5min, wherein the contents of polar polyvinyl chloride, rubber powder, tribasic lead sulfate, dibasic lead phosphate, stearic acid and paraffin are respectively 100 shares, 35 shares, 2 shares, 3 shares, 0.8 shares and 0.4 shares;

[0016] (3) Compression molding: put the composite material prepared in step (1) in a mo...

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Abstract

The invention discloses a preparation method of a rubber powder composite material, relating to the technical field of rubber preparation. The preparation method comprises the following steps: rubber powder preparation, rheologic treatment and compression molding. The rubber powder is treated by plasma to introduce the polar groups to the surface so as to enhance the surface hydrophilicity of the rubber powder. The observation on the impact fracture shape of the prepared product proves that after the plasma treatment, the interfacial bonding is enhanced, the material is integrally destroyed, and the mechanical properties of the composite material are enhanced. The waste tires are used as the raw material of the rubber powder, thereby saving the material cost; and the composite material has the advantages of environment friendliness and energy saving.

Description

technical field [0001] The invention relates to the technical field of rubber preparation, in particular to a method for preparing a rubber powder composite material. Background technique [0002] Rubber powder (SRP) is a powder particle made by crushing waste rubber. Because the internal cross-linking structure is not completely destroyed, this structure limits the movement of surface molecular chains to a certain extent, so the surface of rubber powder is inert. . After blending rubber powder and matrix materials such as rubber or plastic, their compatibility is poor due to different surface properties. When the rubber powder is directly mixed in rubber or plastic, it is difficult to form a good bond at the interface, which leads to a significant decline in the mechanical properties of the composite material. In order to improve the mechanical properties of the composite material, certain methods can be used to modify the surface of the rubber powder. In order to improve...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L21/00C08L91/06C08K3/30C08K3/32C08K5/09C08J7/12
CPCC08L27/06C08J7/12C08J2321/00
Inventor 项宗武
Owner ANHUI TONGFENG RUBBER & PLASTIC IND
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