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Mold material for injection molding of automobile bumper and preparation method of mold material

A technology for automobile bumper and injection molding, which is applied to the field of mold materials for automobile bumper injection molding and its preparation field, can solve the problems of weak structure, poor flame retardant effect, and no buffering effect of materials, and achieves flame retardant effect. Good, solid structure

Inactive Publication Date: 2017-05-10
芜湖天鸿汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of injection molding of automobile bumper, it is necessary to use mold materials for molding. The existing materials have no cushioning effect, and the structure is not strong, and the flame retardant effect is not good.

Method used

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  • Mold material for injection molding of automobile bumper and preparation method of mold material

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Effect test

Embodiment 1

[0018] A mold material for injection molding of automobile bumper, which is made of the following materials in parts by weight, including 25 parts of polycarbonate, 35 parts of polyethylene terephthalate, 16 parts of polyurethane, polyacrylonitrile-based carbon fiber 7 parts, 5 parts of nano-alumina, 14 parts of silicon carbide, 3 parts of calcium stearate, 6 parts of pentaerythritol, 2 parts of trioctyl ester, 7 parts of molybdenum dioxide, 16 parts of montmorillonite, 12 parts of sodium aluminosilicate 3 parts of silicone rubber, 14 parts of polyvinyl acetate emulsion, 12 parts of titanium dioxide, 20 parts of titanate coupling agent, 12 parts of ethylene-vinyl acetate copolymer, 6 parts of glyceride and 4 parts of dibasic lead stearate .

[0019] A preparation method of a mold material for injection molding of an automobile bumper, comprising the following steps:

[0020] 1) 25 parts of polycarbonate, 35 parts of polyethylene terephthalate, 16 parts of polyurethane, 7 part...

Embodiment 2

[0026] A mold material for injection molding of automobile bumper, which is made of the following materials in parts by weight, including 27.5 parts of polycarbonate, 37.5 parts of polyethylene terephthalate, 18 parts of polyurethane, and polyacrylonitrile-based carbon fiber 9 parts, 7.5 parts of nano-alumina, 16 parts of silicon carbide, 5.5 parts of calcium stearate, 7.5 parts of pentaerythritol, 3.5 parts of trioctyl ester, 9 parts of molybdenum dioxide, 17 parts of montmorillonite, 13 parts of sodium aluminosilicate 5.5 parts of silicone rubber, 16 parts of polyvinyl acetate emulsion, 13.5 parts of titanium dioxide, 21 parts of titanate coupling agent, 13.5 parts of ethylene-vinyl acetate copolymer, 8 parts of glyceride and 5.5 parts of dibasic lead stearate .

[0027] A preparation method of a mold material for injection molding of an automobile bumper, comprising the following steps:

[0028] 1) 27.5 parts of polycarbonate, 37.5 parts of polyethylene terephthalate, 18 p...

Embodiment 3

[0034]A mold material for injection molding of automobile bumper, comprising 30 parts of polycarbonate, 40 parts of polyethylene terephthalate, 20 parts of polyurethane, 11 parts of polyacrylonitrile-based carbon fiber, 10 parts of nano-alumina, and 18 parts of silicon carbide 8 parts of calcium stearate, 9 parts of pentaerythritol, 5 parts of trioctyl ester, 11 parts of molybdenum dioxide, 18 parts of montmorillonite, 14 parts of sodium aluminosilicate, 8 parts of silicone rubber, 18 parts of polyvinyl acetate emulsion parts, 15 parts of titanium dioxide, 22 parts of titanate coupling agent, 15 parts of ethylene-vinyl acetate copolymer, 10 parts of glyceride and 7 parts of dibasic lead stearate.

[0035] A preparation method of a mold material for injection molding of an automobile bumper, comprising the following steps:

[0036] 1) 30 parts of polycarbonate, 40 parts of polyethylene terephthalate, 20 parts of polyurethane, 11 parts of polyacrylonitrile-based carbon fiber, 10...

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Abstract

The invention discloses a mold material for injection molding of an automobile bumper. The mold material is prepared from the following materials in parts by weight: 25 to 30 parts of polycarbonate, 35 to 40 parts of polyethylene terephthalate, 16 to 20 parts of polyurethane, 7 to 11 parts of polyacrylonitrile-based carbon fiber, 5 to 10 parts of nano aluminum oxide, 14 to 18 parts of silicon carbide, 3 to 8 parts of calcium stearate, 6 to 9 parts of pentaerythritol, 2 to 5 parts of trioctyl ester, 7 to 11 parts of molybdenum dioxide, 16 to 18 parts of montmorillonoid, 12 to 14 parts of sodium aluminosilicate, 3 to 8 parts of silicon rubber, 14 to 18 parts of polyvinyl acetate emulsion, 12 to 15 parts of titanium dioxide, 20 to 22 parts of a titanate coupling agent, 12 to 15 parts of an ethylene-vinyl acetate copolymer, 6 to 10 parts of glyceride and 4 to 7 parts of dibasic lead stearate. The mold material for the injection molding of the automobile bumper, disclosed by the invention, has a buffering effect, a firm structure and a good flame-retarding effect.

Description

technical field [0001] The invention relates to a mold material for injection molding of automobile bumper and a preparation method thereof. Background technique [0002] Injection molding is a method of producing shapes for industrial products. Products usually use rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding molding method and die casting method. Injection molding machine (referred to as injection machine or injection molding machine) is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. Injection molding is realized through injection molding machines and molds. .Rubber injection molding: Rubber injection molding is a production method that injects rubber directly from the machine barrel into the model for vulcanization. The advantages of rubber injection molding are: although it is an intermittent opera...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L69/00C08L75/04C08L83/04C08L31/04C08L23/08C08K13/04C08K7/06C08K3/22C08K3/34C08K5/098C08K5/053
CPCC08L67/02C08K2201/011C08K2201/014C08L2201/02C08L2205/035C08L69/00C08L75/04C08L83/04C08L31/04C08L23/0853C08K13/04C08K7/06C08K2003/2227C08K3/34C08K5/098C08K5/053
Inventor 邢昌平廖云峰晋士昌项永开戴姗姗
Owner 芜湖天鸿汽车零部件有限公司
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