Corrosion-resistant lead-free cathode electrophoresis paint and manufacturing method thereof
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A cathodic electrophoretic coating and the technology of the production method, which are applied in the direction of electrophoretic coating, anti-corrosion coating, coating, etc., can solve the problems of weak noise reduction function, high curing temperature, poor throwing power, etc., and achieve hardness that is not easy to fall off and corrosion resistance Strong, good curing effect
Inactive Publication Date: 2015-04-08
刘玉
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[0003] With the continuous development and progress of electrophoretic coating technology, people have put forward higher requirements for the performance of the coating, while the existing cathodic electrophoretic coating has a single function, poor throwing power, high curing temperature, and poor fire and flame retardant effect. , weak noise reduction function, low antibacterial decoration effect and other defects
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[0013] The described corrosion-resistant lead-free cathodic electrophoretic paint is characterized in that it is made of the following raw materials in parts by weight: water-based acrylic resin 37, hexamethylenetetramine 5, diethylene glycol hexyl ether 12, cyclohexane Hexaol 4, ethanol 10, fumaric acid 9, phenyl o-hydroxybenzoate 12, carbon black 14, rosin 7, magnesium stearate 1.7, molybdenum disulfide 1, antimony trioxide 3, octyl maleate Tin 0.8, montmorillonite 4, waste glass powder 1, additive 16, ethylene glycol ethyl ether acetate 18, propylene glycol methyl ether 9, deionized water 67.
[0014] The auxiliary agent is made of the following raw materials in parts by weight: polyurethane resin 4, SXP-106 defoamer 0.5, cellulose acetate butyrate 3.8, propylene glycol butyl ether 43, nonylphenol polyoxyethylene ether 28, polyoxyethylene hard Fatty acid ester 8, toluene diisocyanate 17, 2-hydroxy-4-methoxybenzophenone 1.3, guanidine sulfamate 0.6, ammonium metatungstate 2,...
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Abstract
The invention discloses a corrosion-resistant lead-free cathode electrophoresis paint. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 35-40 parts of water-based acrylic resin, 5-8 parts of hexamethylenetetramine, 9-12 parts of diethylene glycol hexyl ether, 4-7 parts of inositol, 10-14 parts of ethanol, 7-9 parts of fumaric acid, 10-13 parts of phenyl o-hydroxybenzoate, 12-15 parts of carbon black, 7-10 parts of rosin, 1.2-2.3 parts of magnesium stearate, 1-2 parts of molybdenum disulfide, 2-3 parts of antimony trioxide, 0.6-1.3 parts of octyl tin maleate, 2-4 parts of montmorillonite, 1-3 parts of waste glass powder, 13-16 parts of assistant, 18-26 parts of glycol ether acetate, 9-14 parts of propylene glycol monomethyl ether and 60-70 parts of deionized water. By compounding multiple materials, compared with the prior art, the product disclosed by the invention has the advantages of favorable curing degree, high corrosion resistance and obviously higher yellowing resistance than the traditional lead-bearing electrophoresis paint. The coated film has the advantages of favorable decoration property, high hardness, low shedding tendency, scratch resistance and the like.
Description
technical field [0001] The invention relates to an electrophoretic paint, in particular to a corrosion-resistant lead-free cathodic electrophoretic paint and a preparation method thereof. Background technique [0002] Electrophoretic coatings and coating methods have been applied industrially since the 1960s. The use of electrophoretic coatings can operate in a fully closed cycle system, and the utilization rate of coatings can reach about 95% compared with conventional spraying. Electrophoretic coatings can be divided into anodic electrophoretic coatings and cathodic electrophoretic coatings according to the electrodes of the coated workpieces. At present, cathodic electrophoretic coatings are the most widely used, which use water-soluble or water-dispersible ionic polymers as film-forming materials, and the coated workpieces are used as cathodes. , a new type of low-pollution, energy-saving, resource-saving, protective and anti-corrosion coating applied by electrodepositio...
Claims
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