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Method for treating aluminium section bar sarface by nano modified powder paint

A technology of powder coating and nano-modification, which is applied in the direction of powder coating, device for coating liquid on the surface, coating, etc.

Inactive Publication Date: 2003-11-26
ZHONGKE JIEDA TECH INST BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in terms of product functions, there are many defects and deficiencies in expanding the professional application and special application fields of aluminum profiles.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] A method for treating the surface of an aluminum profile with a nano-modified powder coating comprises:

[0044] 1. Raw material composition and preparation method of nano-modified powder coating

[0045] 1.1 Material composition and preparation method of nano-modified powder coating

[0046] (1) Nano-material composition: the particle size of the nano-material used is 20-60nm, and nano-TiO with special physical and chemical properties 2 and SiO 2 powder material;

[0047] (2) Nanomaterial preparation ingredients: 1# Nano TiO 2 , 2# Nano SiO 2 , 3# Nano 70% 1#+30% 2#, 4# Nano 30% 1#+70% 2#.

[0048] 1.2. Material composition and preparation method of powder coating

[0049] (1) Powder coating material composition

[0050] A. Resin: epoxy resin, polyurethane, polyurethane resin, polypropylene resin, acrylic resin, pure epoxy type, mixed type polyester resin, TGIC-free polyester type and other improved synthetic powders resin.

[0051] B. Curing agent: diisocyanate...

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Abstract

The present invention relates to a metal surface treating technology, and is to utilize nano technology and nano material to modify traditional powder paint. Specifically, aluminum section bar surface is treated with nano modified powder paint to raise quality and increase special functions. The nano modified powder paint is prepared through the steps of mixing conventional paint material including resin, curing agent, pigment, assistant and stuffing with nano material, smelting, extruding, cooling, pressing, coarse crushing, grinding, sieving etc. The nano modified powder paint is used to treat aluminum shapes through electrostatic painting.

Description

Technical field: [0001] The invention relates to metal surface treatment technology, in particular to a method for treating the surface of aluminum profiles with nano-modified powder paint. It belongs to the technical field of International Patent Classification C25D11 / 04 "Surface Reaction of Electrolytic Coating of Aluminum and Aluminum-Based Alloys to Form Conversion Layer"; cross-subclassification C09D5 / 46 "Powder Coatings for Electrostatic Coating" technical field. Background technique: [0002] The surface treatment of metal structures and metal profiles in our country, especially the functional and decorative technological treatment of metal surfaces using new technologies and new materials, has developed rapidly in recent years. However, compared with advanced countries, there is still a big gap in the overall level of this metal surface treatment technology and material industry and products. The sources of technology and materials for this type of industry still re...

Claims

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Application Information

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IPC IPC(8): B05D7/14C09D1/00C09D5/03
Inventor 咸才军刘本恩薛晨晨张宝忠
Owner ZHONGKE JIEDA TECH INST BEIJING
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