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A kind of fast curing diffuse reflection coating and preparation method and use method thereof

A fast-curing, diffuse-reflection technology, applied in the direction of reflection/signal coatings, polyester coatings, fire-resistant coatings, etc., can solve the problems of low diffuse reflectance, diffuse curing rate, poor compatibility, etc., and achieve good stability and coating Layers with high diffuse reflectivity and less demanding effects

Active Publication Date: 2019-07-16
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatibility between organic coatings and inorganic acids is very poor, and some inorganic acids can also corrode metals, so they are not widely used.
[0004] Existing reflective coatings have low diffuse reflectance of visible light, are not resistant to high temperatures, and have a slow curing rate, which is time-consuming and wastes a lot of energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A fast-curing diffuse reflection paint is composed of a top coat and a primer, and the top coat and the primer are respectively composed of the following components by mass percentage:

[0038] Primer: polyester is TPR-7819-75 from GANODI: 17%; amino resin is CYMEL301 from Cytec: 4%; Nippon Anatase titanium dioxide: 65%; acid catalyst: 1%; Hemmings Dechen dispersant NUOSPERSE FX9086: 1%; Hemings Dechen leveling agent Levaslip810: 1%; Hemings Dechen defoamer 102F: 1%; mixed solvent (solvent 120: xylene: iso The volume ratio of phorone is 4:4:2): 10%;

[0039] Top coat: polyester is TPR-7819-75 of GANODI company: 25%; amino resin is CYMEL301 of Cytec company: 5%; super F barium sulfate powder of Germany Shakhaliben company: 55%; acid catalyst: 2 %; Hemings Deqian dispersant NUOSPERSE FX9086: 1%; Hemings Deqian leveling agent Levaslip810: 1%; Hemings Deqian defoamer 102F: 1%; mixed solvent (solvent 120: xylene : The volume ratio of isophorone is 4:4:2): 10%.

[0040] The prepa...

Embodiment 2

[0046] A fast-curing diffuse reflection paint is composed of a top coat and a primer, and the top coat and the primer are respectively composed of the following components by mass percentage:

[0047] Primer: polyester is TPR-7860-80: 23% of GANODI; amino resin is CYMEL303 produced by Cytec: 6%; Nippon Anatase titanium dioxide: 55%; acid catalyst: 2%; Hemings Deqian dispersant NUOSPERSE FA196: 1%; Hemings Deqian leveling agent Levaslip839: 1%; Hemings Deqian defoamer 102F: 1%; mixed solvent (solvent 120: xylene: iso The volume ratio of phorone is 4:4:2): 10%;

[0048] Topcoat: Polyester is TPR-7860-80 of GANODI Company: 30%; Amino resin is CYMEL303 produced by Cytec Company: 7%; Super F barium sulfate powder of German Shakhaliben Company: 50%; Acid catalyst: 1.5%; dispersant is Hemmings Dechen FA196: 0.5%; leveling agent is Hemings Dechen Levaslip839: 0.5%; defoaming agent is Hemings Dechen 102F: 0.5%; mixed solvent (solvent 120 : The volume ratio of xylene:isophorone is 4:4:2):1...

Embodiment 3

[0055] A fast-curing diffuse reflection paint is composed of a top coat and a primer, and the top coat and the primer are respectively composed of the following components by mass percentage:

[0056] Primer: polyester is TPR-7819-75 of GANODI: 23%, amino resin is CYMEL303 produced by Cytec: 4%, Nippon's anatase titanium dioxide: 60%, self-made acid catalyst: 1.5% , Hemings Dechen dispersant NUOSPERSE FX9086: 0.5%, Hemings Dechen leveling agent Levaslip8629: 0.5%, Hemings Dechen defoamer 102F: 0.5%, mixed solvent (solvent 120: xylene: The volume ratio of isophorone is 4:4:2): 10%;

[0057] Top coat: polyester is TPR-7819-75 of GANODI company: 28%, amino resin is CYMEL303 produced by Cytec company: 5%, super F barium sulphate from Germany Shakhaliben company: 53%, self-made acid catalyst: 1.5%, Hemings Dechen dispersant NUOSPERSE FX9086: 1%, Hemings Dechen leveling agent Levaslip8629: 0.5%, Hemings Dechen defoamer 102F: 1%, mixed solvent (solvent 120: two The volume ratio of tolue...

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Abstract

The invention belongs to the technical field of coating production and discloses a fast cured diffuse reflection coating and a preparation method and a using method thereof. The coating is composed of a finishing coat and a primer. The finishing coating is composed of the components in percentage by mass: 25-30% of polyester, 5-7% of amino resin, 50-55% of barium sulfate powder, 1.5-2% of an acid catalyst, 0.5-1% of a dispersant, 0.5-1% of a flatting agent, 0.5-1% of a defoamer and 10% of a mixed solvent. The primer is composed of the components in percentage by mass: 17-23% of polyester, 4-6% of amino resin, 55-65% of titanium dioxide, 1-2% of an acid catalyst, 0.5-1% of a dispersant, 0.5-1% of a flatting agent, 0.5-1% of a defoaming agent and 10% of a mixed solvent. The coating has the characteristics of being high-temperature-resistant, high in diffuse reflection, fast to cure and good in stability.

Description

Technical field [0001] The invention belongs to the technical field of paint production, and specifically relates to a fast-curing diffuse reflection paint (composition of top paint and primer) and a preparation method and a use method thereof. Background technique [0002] At present, my country's industry is developing rapidly, and the demand for energy is also increasing year by year. Therefore, the issue of energy conservation has become a topic that Chinese scientific researchers must face. Polyester and amino baking varnishes have good comprehensive properties and are very suitable for surface coating of light industrial products such as coils and LED lampshades. However, their baking temperature is high and curing time is long, so a lot of energy is consumed in the baking process . Therefore, in consideration of energy saving, many factories in my country also add acid catalysts to their products to change the curing conditions, hoping to achieve rapid curing to save ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D161/32C09D5/33C09D7/61C09D7/00B05D7/14B05D7/24
CPCB05D7/14B05D7/24B05D7/544B05D2202/25B05D2451/00B05D2508/00B05D2601/20B05D2601/24B05D2602/00C08L2201/08C09D5/004C09D5/18C09D7/20C09D7/61C09D7/63C09D167/00C08L61/32C08K2003/2241C08K5/42C08K2003/3045B05D2401/10B05D2420/01B05D2420/02
Inventor 涂伟萍凡宇卢明阳红军唐成成陆小芳
Owner SOUTH CHINA UNIV OF TECH