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Polyester resin film plastic and method for preparing same

A polyester resin and molding compound technology, applied in the field of plastic materials, can solve the problems of ripples on the surface of products, affecting the flatness and smoothness, and achieve the effect of improving the flatness, improving the smoothness and satisfying the flatness.

Inactive Publication Date: 2007-01-03
TIANJIN CITY BAILI TIANDI ELECTRIC COMPLEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the unsaturated polyester resin, the main component of the above-mentioned known polyester resin molding compound, is in a state of polymerization and shrinkage during the thermoplastic process, which causes ripples on the surface of the product and affects its flatness and smoothness.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0020] Embodiment: Get 0.4Kg of benzoic acid resin peroxide, 3Kg of black paste and 1.6Kg of talcum powder and stir to make viscous agent 5Kg stand-by; Get heavy calcium carbonate 25Kg, light calcium carbonate 8Kg and aluminum hydroxide 12Kg to mix and make Filler 45Kg stand-by; Get unsaturated polyester resin 22Kg, polystyrene 8Kg, polymethyl methacrylate 3Kg and viscous agent 5Kg and stir to make resin paste 38Kg; Resin paste and filler are stirred and mixed to obtain mixture 83Kg; Add 17Kg of glass fibers with a length of 8-10mm to the above mixture, stir and mix to obtain 100Kg of polyester resin molding compound, which can be packaged in a PAPE five-layer composite film bag.

[0021] The parameters of a polyester resin molding compound obtained in the above examples are in line with the requirements of the JB / J7770-1995 industry standard in terms of density, water absorption, heat distortion temperature, impact strength, bending strength, insulation resistance and electric...

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Abstract

The invention relates to polyester resin film plastic and method for preparing same, wherein the plastic is the mixture of unsaturated polyester resin, polyphenylacetylene, polymethyl methacryate, thickening agent, gasket material and fiber glass, the thickening agent is prepared from peroxybenzoic acid resin, black paste and talcum powder through agitating.

Description

technical field [0001] The invention belongs to plastic materials, in particular to a polyester resin molding compound and a manufacturing method thereof. Background technique [0002] Known polyester resin molding compound (DMC), because of its light weight, high specific strength, easy molding process and good corrosion resistance, is widely used in machinery and electrical products as insulating structural parts and housing materials. However, the unsaturated polyester resin, which is the main component of the above-mentioned known polyester resin molding compound, is in a state of polymerization and shrinkage during the thermoplastic process, which causes ripples on the surface of the product and affects its flatness and smoothness. Contents of the invention [0003] The present invention aims to solve the technical problems in flatness and smoothness of the known polyester resin molding compound, and discloses a polyester resin molding compound and its manufacturing m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/06C08K7/14
Inventor 史祺
Owner TIANJIN CITY BAILI TIANDI ELECTRIC COMPLEMENT
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