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Metal modifier, complex material and preparation method for complex material

A metal modifier and composite technology, which can be applied to devices and coatings for surface coating liquids, can solve the problems of low aluminum alloy processing efficiency, high cost, increased equipment capital investment, etc., and reduce surface tension. Coefficient difference, low processing cost and energy consumption, effect of improving surface tension coefficient

Active Publication Date: 2015-02-04
GUANGDONG JANUS SMART GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional preparation technology of aluminum alloy and plastic composites is generally realized by setting a fixed structure between the aluminum alloy structural part and the plastic part, which requires adding a connection structure on the aluminum alloy structural part; but the processing efficiency of aluminum alloy is low The cost is high, and it is impossible to make structures with more complex shapes, which greatly limits the application of aluminum alloy structural parts in electronic products, precision medical equipment, and automotive body parts
[0003] Although the integrated combination of aluminum alloy and plastic can be realized by hot melt adhesive bonding at present, the bonding force between plastic and aluminum alloy is not high, which cannot meet the actual use strength requirements of the product
Although the integrated combination of aluminum alloy and plastic can be realized through ordinary chemical treatment, the bonding strength of plastic and aluminum alloy base material is not high, which cannot meet the actual use strength requirements of the product.
In addition, there is a method of treating aluminum alloy by electrochemical anodization to form a porous film, and then integrate it 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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  • Metal modifier, complex material and preparation method for complex material
  • Metal modifier, complex material and preparation method for complex material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Step S1: providing an aluminum alloy base material shaped by machining.

[0030] Step S2: using a degreasing agent to perform degreasing treatment on the aluminum alloy substrate, and the degreasing temperature and time are determined according to the specific degreasing effect.

[0031] Step S3: Perform pre-activation treatment on the aluminum alloy substrate treated in step S2 with 10% (volume percentage) hydrochloric acid to increase the surface roughness of the aluminum alloy substrate. At the same time, the hydrochloric acid can chemically react with the aluminum alloy to make it Irregular holes of 60-115 microns are formed on the surface, the pre-activation temperature is 65°C, and the time is 10 minutes.

[0032] Step S4: Etching the activated aluminum alloy with 35% (mass percent) acetic acid, so that irregular holes of 5-30 microns are formed on the surface of the metal substrate and the roughness is further increased. At the same time, acetic acid can also ent...

Embodiment 2

[0040] Step S1: providing an aluminum alloy base material shaped by machining.

[0041] Step S2: using a degreasing agent to perform degreasing treatment on the aluminum alloy substrate, and the degreasing temperature and time are determined according to the specific degreasing effect.

[0042] Step S3: Perform pre-activation treatment on the aluminum alloy substrate treated in step S2 with 16% (volume percentage) sulfuric acid to increase the surface roughness of the aluminum alloy substrate. At the same time, sulfuric acid can chemically react with the aluminum alloy to make it Irregular holes of 65-135 microns are formed on the surface, the pre-activation temperature is 55°C, and the time is 6 minutes.

[0043] Step S4: Etching the activated aluminum alloy with 25% (mass percent) formic acid, so that irregular pores with 5-47 microns are formed on the surface of the metal substrate and the roughness is further increased. At the same time, formic acid can also enter The mic...

Embodiment 3

[0051] Step S1: providing an aluminum alloy base material shaped by machining.

[0052] Step S2: using a degreasing agent to perform degreasing treatment on the aluminum alloy substrate, and the degreasing temperature and time are determined according to the specific degreasing effect.

[0053] Step S3: Pre-activate the aluminum alloy substrate treated in step S2 with 25% (volume percentage) hydrochloric acid to increase the surface roughness of the aluminum alloy substrate. At the same time, the hydrochloric acid can chemically react with the aluminum alloy to make it Irregular holes of 75-180 microns are formed on the surface, the pre-activation temperature is 45°C, and the time is 3 minutes.

[0054] Step S4: Etching the activated aluminum alloy with oxalic acid at 15% (mass percentage), so that irregular holes with 5-50 microns are formed on the surface of the metal substrate and the roughness is further increased. At the same time, the oxalic acid The acid can also enter...

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Abstract

The invention discloses a metal modifier, a complex material and a preparation method for the complex material. The formula of the metal modifier is prepared by adding 55-140 parts by mass of an organic acyl chloride or organic acylbromide and 25-80 parts by mass of an organic anhydride into 1000 parts by mass of a solvent. The preparation method for the complex material comprises: firstly preprocessing aluminium alloy to form multiple holes on the surface of aluminium alloy, then putting aluminium alloy into the above metal modifier for surface chemical processing, and finally performing injection molding. The complex material is formed by integrating aluminium alloy and plastic by employing the above preparation method. The technology of using the disclosed metal modifier to perform chemical processing on the aluminium alloy surface is low in cost and energy consumption, the aluminium alloy surface subjected to chemical processing is basically not black, the integral usage appearance of the product is not influenced, and also the combination effect of aluminium alloy and plastic is good, the bonding strength is high, and structure loosening is not easy to happen.

Description

technical field [0001] The invention relates to a metal modifier, and a composite material formed of aluminum alloy and plastic treated with the metal modifier and a preparation method thereof. Background technique [0002] The traditional preparation technology of aluminum alloy and plastic composites is generally realized by setting a fixed structure between the aluminum alloy structural part and the plastic part, which requires adding a connection structure on the aluminum alloy structural part; but the processing efficiency of aluminum alloy is low The high cost and the inability to make structures with complex shapes greatly limit the application of aluminum alloy structural parts in electronic products, precision medical equipment, and automotive body parts. [0003] Although the integrated combination of aluminum alloy and plastic can be realized by hot-melt adhesive bonding at present, the bonding force between plastic and aluminum alloy is not high, which cannot mee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F1/10B05D7/14B29C45/14
Inventor 邓崇浩王长明谢守德
Owner GUANGDONG JANUS SMART GRP CO LTD