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Powder coating for aluminium profile

A powder coating and aluminum profile technology, applied in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems that powder coatings cannot meet the fields of corrosion, antibacterial and protection, narrow application range, and large energy consumption, etc., and achieve improvement Brittle and easy to crack, the storage time is not long, the wear resistance and corrosion resistance are improved, and the surface of the paint film is smooth and smooth

Inactive Publication Date: 2016-04-13
TONGLING SIDE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The patent number is CN201510396989.7 "A New Type of Low-Temperature Curing Epoxy Powder Coating". It is an important method for general-purpose powder coatings with high curing temperature, narrow application range and high energy consumption. It uses the good compatibility characteristics of bisphenol A epoxy resin and modified crosslinking agent to make the coating have excellent adhesion, It has the advantages of impact resistance, heat and humidity resistance, etc. The filler uses precipitated barium sulfate and active silica powder to make the coating have good acid resistance and alkali resistance, but the powder coating prepared by this invention cannot meet the needs of corrosion, antibacterial and protection fields

Method used

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Embodiment Construction

[0014] A powder coating for aluminum profiles, prepared from the following raw materials in parts by weight (kg): ammonium polyphosphate 3, dibutyltin maleate 1, tetramethoxymethyl glycoluril 1, polytetrahydrofuran ether glycol 3, Magnet powder 7, light calcium carbonate 14, iron oxide 2, sorbitan monooleate 0.6, carboxymethyl cellulose 2, adipate dihydrazide 4, polyurethane resin 10, polyoxyethylene alkylphenol ether 0.3, epoxy resin 84, phenolic resin 6, vaseline 1, rare earth chloride 0.1, chitosan 15, polyvinyl alcohol 4.

[0015] The powder coating for aluminum profiles is prepared through the following specific steps:

[0016] (1) Dissolve carboxymethyl cellulose with 10 times the amount of water, then add sorbitan monooleate and iron oxide to disperse evenly by ultrasonication, and stir with slight heat until a viscous substance is formed for later use;

[0017] (2) Coating the product prepared in step (1) on the surface of magnet powder, heating to remove the solvent,...

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Abstract

The invention discloses powder coating for an aluminium profile, prepared from the following raw materials in parts by weight: 3-4 parts of ammonium polyphosphate, 1-2 parts of dibutyltin maleate, 1-3 parts of 1,3,4,6-Tetrakis(methoxymethyl)glycoluril, 3-4 parts of PTMG, 7-8 parts of magnet powder, 14-16 parts of light calcium carbonate, 2-3 parts of ferric oxide, 0.6-0.8 part of sorbitan monooleate, 2-3 parts of carboxymethyl cellulose, 4-5 parts of adipic acid dihydrazide, 10-12 parts of polyurethane resin, 0.3-0.4 part of polyxyethylated alkylphenol, 84-95 parts of epoxy resin, 6-8 parts of phenolic resin, 1-2 parts of vaseline, 0.1-0.2 part of rare earth chloride, 15-18 parts of chitosan and 4-5 parts of polyvinyl alcohol. A prepared product is solvent-free, green and environment-friendly, is flat and smooth in paint film surface, also has the characteristics of high strength, good heat insulation property, high lustrousness and good attachment, and has good application prospect when being used for the aluminium profile.

Description

technical field [0001] The invention relates to the technical field of powder coatings, in particular to a powder coating for aluminum profiles. Background technique [0002] Powder coating has the characteristics of solvent-free, non-environmental pollution, powder recovery and high utilization rate, and has been widely used. Powder coatings can be divided into two categories: thermoplastic and thermosetting. Thermoplastic powder coatings use thermoplastic resin as a film-forming substance. Its characteristic is that the synthetic resin becomes soft as the temperature rises and becomes hard after cooling. This process can be repeated many times, and it will gradually age after each change. Eventually it becomes a non-plastic powder. Thermosetting powder coatings use thermosetting synthetic resins as film-forming substances. It is characterized by the use of some prepolymer resins with a lower degree of polymerization, which are baked and solidified at a certain temperatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D5/14C09D5/03C09D7/12
CPCC09D163/00C08L2201/08C08L2205/035C08L2205/16C09D5/038C09D5/08C09D5/14C09D7/61C09D7/63C09D7/65C08L75/04C08L5/08C08L61/06C08K2003/2272C08K2003/265
Inventor 孔华英
Owner TONGLING SIDE TECH
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