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Metal-reinforced plastic composite material part and its molding method

A technology of reinforced plastics and composite materials, applied in metal layered products, chemical instruments and methods, synthetic resin layered products, etc., can solve the problems of low mechanical properties, thermal properties, difficult application, etc. The effect of enhancing mechanical properties and reducing performance differences

Inactive Publication Date: 2012-12-19
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The plastic of the aluminum-plastic panel is a conventional plastic, and its mechanical properties and thermal properties are not high, so it is difficult to apply in fields that require high mechanical properties and thermal properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Material and formula: metal plate: 0.05mm thick aluminum plate (foil). Plastic layer: 30% glass fiber chopped strands, 20% graphite powder, 15% polycarbonate and the rest ABS plastics. Adhesive: Polyamide hot melt adhesive.

[0019] Forming method: the aluminum plate is cut into the required plate, cleaned, coated with polyamide hot melt adhesive on one side, pressed into a predetermined shape, put into the injection mold, the non-adhesive surface of the aluminum plate is close to the mold wall, and injected into the mold The premixed material of glass fiber-graphite-polycarbonate-ABS plastic can be obtained after it is shaped.

Embodiment 2

[0021] Material and formula: metal plate: 0.3mm thick galvanized steel plate. Plastic layer: 30% by mass of glass fiber chopped strands, 30% of CaO powder, and the balance of polyethylene plastic. Adhesive: EVA hot melt adhesive.

[0022] Molding method: similar to embodiment 1.

Embodiment 3

[0024] Material and formula: metal plate: 0.3mm thick titanium plate. Plastic layer: 30% glass fiber chopped strands, 30% Ag powder, 15% polycarbonate and the rest ABS plastic in mass percentage. Adhesive: Polyamide hot melt adhesive.

[0025] Molding method: similar to embodiment 1.

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Abstract

The invention discloses a metal-reinforced plastic composite material part and its molding method. The part is obtained through bonding a metal plate, a fiber and a heat-conductive filler reinforced plastic layer directly or by means of a bonding layer to realize the organic combination of respective advantages of the metal and the reinforced plastic. The molding method comprises a step that the metal plate and the plastic layer are pre-molded and then bonded together or a step that the metal plate is pre-molded and then is injected or coated with the plastic layer, so the molding process has the advantages of high efficiency, economy, good technological economy and easy large-scale industrial implementation.

Description

technical field [0001] The invention relates to a composite material part and its forming method, in particular to a reinforced plastic composite material part covered with a metal plate and its forming method. Background technique [0002] Both metal materials and reinforced plastics are widely used engineering materials, and their properties have their own strengths: metal materials have obvious advantages in strength, toughness, heat resistance, heat conduction, wear resistance, texture, etc., while reinforced plastics have advantages in strength, modulus, It has obvious advantages in light weight, corrosion resistance and low cost. [0003] Aluminum-plastic panel is a metal-plastic composite material made of aluminum plate and plastic plate, which makes the plastic have the appearance texture and surface properties of aluminum, and has been successfully used in architectural decoration and other fields. [0004] The plastic of the aluminum-plastic panel is a conventiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/08B32B27/04B32B27/20B29C45/14B29C65/02B29C65/52
Inventor 谢卫东曾庆文李文娟陈杰彭晓东魏群义
Owner CHONGQING UNIV
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