Polyester resin film plastic and method for preparing same

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

Inactive Publication Date: 2005-03-16
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 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; take unsaturated polyester resin 22Kg, polystyrene 8Kg, polymethyl methacrylate 3Kg and viscous agent 5Kg and stir to make resin paste 38Kg; Stir and mix resin paste and filler 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 the polyester resin molding compound obtained in the above-mentioned examples, such as density, water absorption, heat distortion temperature, impact strength, bending strength, insulation resistance and electric strength, all meet the requirements of the JB / J7770-1995 industry stand...

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PUM

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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] The known polyester resin molding compound (DMC), because of its light weight, high specific strength, easy molding 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 invention aims to solve the technical problems of the known polyester resin molding compound in terms of flatness and smoothness, and discloses a polyester resin molding compound and a manufacturing method...

Claims

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Application Information

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IPC IPC(8): C08K7/14C08L67/06
Inventor 史祺
Owner TIANJIN CITY BAILI TIANDI ELECTRIC COMPLEMENT
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