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Closed-film foaming technology for foamed plastics

A foamed plastic and film technology, applied in the field of plastics, can solve the problems of low foaming efficiency of foamed plastics and achieve the effect of high-efficiency foaming

Inactive Publication Date: 2018-11-06
四会市联合塑业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the foaming efficiency of foamed plastics is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] Below in conjunction with implementation mode for further description:

[0008] The closed-film foaming technology of foam plastics is characterized in that: combined with the high-density foam manufacturing process, the foam density is reasonably controlled, and then the powdered polyimide is placed in a closed mold, and the polyimide is heated under heating conditions. The polyamic acid powder and fat powder inside the imide will appear foamy; through the use of the extruder, the polyimide raw material is placed in the extruder, and finally foaming is formed; using methacrylic acid, methacrylic acid Acrylonitrile completes the polymerization reaction, and its polymer can automatically form foam in a heated environment.

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PUM

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Abstract

The invention relates to the technical field of plastics, in particular to a closed-film foaming technology for foamed plastics. The closed-film foaming technology is characterized in that a high density foam manufacturing process is combined to have foam density controlled reasonably, powdered polyimide is placed in a closed grinding tool, and polyamide acid powder and fat powder in the polyimideappear bubble-like under heating conditions; by the application of an extruder, the polyimide is placed in the extrude, and foaming is finally formed; methacrylic acid and methacrylonitrile are adopted to complete polymerization, and a polymer of the polymerization can form foaming automatically when heated.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to the closed-film foaming technology of foamed plastics. Background technique [0002] In the prior art, the foaming efficiency of foamed plastics is relatively low. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides a closed-film method foaming technology for efficient foaming of foamed plastics. [0004] Technical scheme of the present invention is: [0005] The closed-film foaming technology of foam plastics is characterized in that: combined with the high-density foam manufacturing process, the foam density is reasonably controlled, and then the powdered polyimide is placed in a closed mold, and the polyimide is heated under heating conditions. The polyamic acid powder and fat powder inside the imide will appear foamy; through the use of the extruder, the polyimide raw material is placed in the extruder, and finally foami...

Claims

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Application Information

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IPC IPC(8): C08J9/02C08F220/06C08F220/44C08L79/08C08L33/02C08L33/20
CPCC08J9/02C08F220/06C08F220/44C08J2333/02C08J2333/20C08J2379/08
Inventor 刘其廷
Owner 四会市联合塑业科技有限公司