Metal-like engineering plastic composite material and preparation method thereof

A technology of engineering plastics and composite materials, which is applied in the field of high-density imitation metal engineering plastic composite materials and its preparation, can solve the problems of poor mechanical properties, many surface pits on the product surface, and low surface gloss of injection molded products, and achieve good Injection molding processability, the effect of simple and easy process

Active Publication Date: 2010-12-22
XIAMEN RUNNER IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the common technical problems such as poor mechanical properties, poor molding fluidity, low surface gloss of injection molded products, many surface pits on the product surface, and surface flow lines that cannot be eliminated in the existing common metal-plastic composite materials. A metal-like engineering plastic composite material combining plastic and metal while maintaining the advantages of both and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] The formula composition of imitation metal engineering plastic composite material is: polycaprolactam 22.5%, ferrite 70%, maleic anhydride grafted ethylene octene copolymer 5%, coupling agent 1.5%, ethylene bis-stearate Amide 0.5%, antioxidant 10100.5%.

[0065] Concrete preparation steps are as follows:

[0066] Step 1: Weigh the ferrite according to the mass ratio, add it into a high-speed mixer and stir for 20-60 minutes (rotation speed is 1000r / min), so that the ferrite is dried and the temperature reaches 120°C.

[0067] Step 2: Weigh the coupling agent according to the mass ratio, and evenly spray the coupling agent onto the stirring ferrite.

[0068] Step 3: After spraying the coupling agent, continue to stir at a high speed for 20-30 minutes (rotating speed is 2000r / min), add ethylene bisstearamide weighed according to the mass ratio, and continue stirring for 5-10min (rotating speed is 2000r / min), Then add polycaprolactam weighed according to mass ratio, anti...

Embodiment 2

[0073] The formula components of the imitation metal engineering plastic composite material are: polycaprolactam 11.5%, ferrite 60%, zinc oxide 15%, polyamide elastomer 11%, coupling agent 1.5%, ethylene bis stearamide 0.5%, Antioxidant 1010 0.5%.

[0074] Concrete preparation steps are as follows:

[0075] Step 1: Weigh the ferrite and zinc oxide according to the mass ratio, add them into a high-speed mixer and stir for 20-60 minutes (rotation speed is 1000r / min), dry the ferrite and zinc oxide and the temperature reaches 120°C.

[0076] Step 2: Weigh the coupling agent according to the mass ratio, and evenly spray the coupling agent on the stirring ferrite and zinc oxide.

[0077] Step 3: After spraying the coupling agent, continue to stir at a high speed for 20-30 minutes (rotation speed: 2000r / min), add ethylene bisstearamide weighed according to the mass ratio, and continue stirring for about 5-10 minutes (rotation speed: 2000r / min) , and then add polycaprolactam weighe...

Embodiment 3

[0082]The formula composition of imitation metal engineering plastic composite material is: polybutylene terephthalate 40%, maleic anhydride grafted ethylene propylene copolymer 5%, iron powder 45%, glass fiber 8%, even Joint agent 1.0%, antioxidant 1010 0.3%, antioxidant 168 0.2%.

[0083] Concrete preparation steps are as follows:

[0084] Step 1: Weigh the iron powder according to the mass ratio, add it into a high-speed mixer and stir for 20-60 minutes (rotation speed is 1000r / min), so that the iron powder is dried and the temperature reaches 120°C.

[0085] Step 2: Weigh the coupling agent according to the mass ratio, and evenly spray the coupling agent on the iron powder being stirred.

[0086] Step 3: After spraying the coupling agent, continue to stir at a high speed for 20-30 minutes (rotation speed: 2000r / min), add ethylene bisstearamide weighed according to the mass ratio, and continue stirring for about 5-10 minutes (rotation speed: 2000r / min) , then add polybuty...

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Abstract

The invention discloses a metal-like engineering plastic composite material and a preparation method thereof, and relates to a polymer composite material. The invention provides the metal-like engineering plastic composite material which combines plastic with metal and simultaneously keeps the advantages of the two and the preparation method thereof. The composite material comprises thermoplastic engineering plastic, high-density packing, mineral powder, glass fiber, toughener, coupling agent, lubricant and antioxidant. The metal-like engineering plastic composite material has high density, high mechanical properties, excellent thermal deformation temperature and good injection molding property. The preparation method adopts the method of being combined with the coupling agent and the optimized granulation conditions, the process is simple and easy to operate, extrusion and granulation can be carried out by adopting an ordinary twin-screw granulator, and injection molding can be carried out by adopting an ordinary injection machine.

Description

technical field [0001] The invention relates to a polymer composite material, in particular to a high-density metal imitation engineering plastic composite material and a preparation method thereof. Background technique [0002] Metal products are expensive and energy-intensive products. Today, with the increasingly serious environmental pollution and the urgent need for energy conservation and emission reduction, how to develop new engineering plastic composite materials to replace metal materials has become a high-tech of great significance and commercial value. The advantages of plastics are: (1) Low energy consumption in molding and processing (for example, in the process of injection molding and extrusion, the processing temperature is generally 180-320°C); (2) Easy to shape, can mass produce components with complex structures, and has stable quality; (3) Low price of raw materials; (4) Excellent corrosion resistance. The advantages of metal materials are: (1) excelle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/00C08L77/02C08L77/06C08L67/02C08L51/06C08L51/00C08K13/06C08K3/08C08K3/22C08K3/30C08K3/34C08K3/26C08K7/14B29C47/92B29C48/92
CPCC08K13/02B29C45/0053C08K13/00B29C48/04B29C48/40
Inventor 陈明辉周国波黄贤明李明仁
Owner XIAMEN RUNNER IND CORP
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