Composite material and preparation method thereof

A composite and plastic technology, applied in the direction of coating, etc., can solve the problems of high cost, inability to make shape and structure, increase cost, etc., and achieve the effect of low processing cost

Inactive Publication Date: 2014-07-02
GUANGDONG JANUS SMART GRP CO LTD +1
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  • Abstract
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  • Application Information

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Problems solved by technology

However, the processing efficiency of stainless steel is low and the cost is high, and it is impossible to make structures with complex shapes, which greatly limits the application of stainless steel structural parts in various electronic products, precision medical equipment, and automobile body parts.
[0003] Although the integrated combination of stainless steel and plastic can be realized by hot melt adhesive bonding, the bonding strength of plastic and stainless steel is not high, which cannot meet the actual use strength requirements of the product.
[0004] In addition, the patent document CN102672878A discloses a method in which stainless steel is processed by anodic oxidation to form a porous film, and then integrated with resin; It is not conducive to the formation of porous membrane; moreover, additional capital investment in equipment is required in anodizing treatment, which increases the production cost to a certain extent

Method used

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  • Composite material and preparation method thereof
  • Composite material and preparation method thereof

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Embodiment Construction

[0023] The present invention will be further described below with reference to the accompanying drawings and in combination with preferred embodiments.

[0024] According to an embodiment of the present invention, the preparation method of integrating stainless steel and plastic to form a composite material includes forming a plurality of holes on the surface of the stainless steel through chemical pitting liquid treatment, and then injecting plastic into the stainless steel to form a composite material .

[0025] In a more specific embodiment, the formula of the chemical pitting solution includes: ferric sulfate with a mass concentration of 10-85g / L, dilute hydrochloric acid with a volume percentage of 5%-25%, and ferric sulfate with a mass concentration of 3-50g / L Acid solution (the above concentrations and percentages are relative to the overall chemical pitting solution); the acid solution refers to oxalic acid, maleic acid, citric acid, tartaric acid, amino acids, p-nitro...

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Abstract

The invention discloses a composite material and a preparation method thereof. The preparation method is used for integrating stainless steel and plastic to form the composite material. The preparation method comprises the following steps of treating the surface of the stainless steel by chemical hole etching liquid to form a plurality of holes and injecting the plastic into the stainless steel to form the composite material. The composite material disclosed by the invention is obtained by injecting the plastic on the basis of the stainless steel with the holes formed by chemical hole etching liquid treatment. Due to an optimal formula of the chemical hole etching liquid, the holes which are good for injecting the plastic and fixedly molding are formed; the binding force of the plastic and the stainless steel is effectively increased.

Description

technical field [0001] The invention relates to a composite material and a preparation method thereof, in particular to a composite material integrating stainless steel and plastic and a preparation method thereof. Background technique [0002] The existing stainless steel and plastic composite preparation technology is generally realized by setting a fixed structure between the stainless steel structural part and the plastic part, which requires adding a connecting structure on the stainless steel structural part. However, the processing efficiency of stainless steel is low and the cost is high, and structures with complex shapes cannot be produced, which greatly limits the application of stainless steel structural parts in various electronic products, precision medical equipment, and automobile body parts. [0003] Although the integrated combination of stainless steel and plastic can be realized by hot melt adhesive bonding at present, the bonding strength of plastic and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/14C23F1/02C23F1/28
CPCB29C45/14B29C2045/14868C23F1/02C23F1/28
Inventor 邓崇浩王长明谢守德
Owner GUANGDONG JANUS SMART GRP CO LTD
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