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Metal paint surface crystal-plated material and preparation method thereof

A metal paint and crystal plating technology, which is applied in anti-corrosion coatings, fire-proof coatings, reflection/signal coatings, etc., can solve the problems of metal paint surface being easily scratched, poor yellowing resistance, not easy to clean, etc., to achieve super self-protection cleanliness, improve gloss, and prevent dust from sticking

Active Publication Date: 2018-05-22
广州双桃精细化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The metal paint surface protection layer on the market today is basically made of acrylic, polyurethane varnish, high temperature baking varnish and UV varnish, etc., which are cured at room temperature. Their hardness is usually only 1H to 3H, so the surface of the metal paint is very easy to be scratched. The hydrophobic angle Usually less than 90 degrees, it is easy to be polluted outdoors, not easy to clean, and has poor yellowing resistance. In a high temperature environment of 400 degrees, the paint surface will be scorched, blistered, and peeled off.

Method used

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  • Metal paint surface crystal-plated material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0036] An embodiment of the crystal coating material on the surface of the metal paint of the present invention, the crystal coating material on the surface of the metal paint in this embodiment comprises the following components by weight:

[0037] 35 parts of methyl silicone resin, 0.1 part of 3-aminopropyltriethoxysilane, 63 parts of organic solvent (butyl acetate), 0.2 part of leveling agent (Tego Glide 410), fluorine-containing surfactant (DuPont fluorine Carbon surfactant (Capstone FS-3100) 0.3 part, UV absorber (BASF 1130) 0.2 part, defoamer (BYK065) 0.1 part, polydimethylsiloxane (hydroxyl value 28 mg KOH / g) 0.2 part, catalyst (DBTDL) 0.001 part, isocyanate (MDI) 0.1 part.

[0038] The preparation method of the metal paint surface crystal plating material described in the present embodiment comprises the following steps:

[0039] (1) Mix isocyanate, polydimethylsiloxane, and catalyst in a reaction vessel evenly, and then react at 60°C for 4 hours;

[0040] (2) Add si...

Embodiment 2

[0045] An embodiment of the crystal coating material on the surface of the metal paint of the present invention, the crystal coating material on the surface of the metal paint in this embodiment comprises the following components by weight:

[0046] 40 parts of methyl silicone resin, 0.15 parts of 3-aminopropyltrimethoxysilane, 59 parts of organic solvent (toluene), 0.25 part of leveling agent (Tego Glide 420), fluorine-containing surfactant (DuPont fluorocarbon surfactant Capstone FS-3100) 0.4 parts, UV absorber (BASF 1130) 0.25 parts, defoamer (BYK065) 0.15 parts, polydimethylsiloxane (hydroxyl value 58mg KOH / g) 0.25 parts, catalyst (TEA) 0.003 parts, 0.15 parts of isocyanate (TDI).

[0047] The preparation method of the metal paint surface crystal plating material described in the present embodiment comprises the following steps:

[0048] (1) Mix isocyanate, polydimethylsiloxane, and catalyst in a reaction vessel evenly, and then react at 60°C for 4 hours;

[0049] (2) Ad...

Embodiment 3

[0054] An embodiment of the crystal coating material on the surface of the metal paint of the present invention, the crystal coating material on the surface of the metal paint in this embodiment comprises the following components by weight:

[0055] 45 parts of methyl silicone resin, 0.2 part of 3-aminopropyltriethoxysilane, 53 parts of organic solvent (tetrahydrofuran), 0.3 part of leveling agent (Tego Glide 432), fluorine-containing surfactant (DuPont fluorocarbon surface Active agent Capstone FS-3100) 0.5 parts, UV absorber (BASF 1130) 0.3 parts, defoamer (Deqian 5300) 0.2 parts, polysiloxane (hydroxyl value 105mg KOH / g) 0.3 parts, catalyst (DBTDL) 0.005 parts, 0.2 parts of isocyanate (TMDI).

[0056] The preparation method of the metal paint surface crystal plating material described in the present embodiment comprises the following steps:

[0057] (1) Mix isocyanate, polydimethylsiloxane, and catalyst in a reaction vessel evenly, and then react at 60°C for 4 hours;

[0...

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Abstract

The invention discloses a metal paint surface crystal-plated material. The metal paint surface crystal-plated material is prepared from the following components in parts by weight: 35 to 45 parts of organic silicon resin, 0.1 to 0.2 part of amino silane, 53 to 63 parts of an organic solvent, 0.3 to 0.5 part of a fluorine-containing surfactant, 0.2 to 0.3 part of an ultraviolet light absorber, 0.2to 0.3 part of polydimethylsiloxane, 0.001 to 0.005 part of a catalyst and 0.1 to 0.2 part of isocyanate. The metal paint surface crystal-plated material disclosed by the invention is a polymer whichtakes repeated Si-O bonds as a main chain and of which silicon atoms are directly connected with organic groups, high-temperature solidification in a baking room is not required, the metal paint surface crystal-plated material can be solidified into a crystal glass crystal-plated layer which takes SiO2 as a main component just by generating a chemical reaction-crystallization with water in air, and the metal paint surface crystal-plated material is very good in yellowing resistance, hardness, hydrophobicity, acid-base resistance and the like. Meanwhile, the invention provides a preparation method of the metal paint surface crystal-plated material.

Description

technical field [0001] The invention relates to a surface crystal plating material and a preparation method thereof, in particular to a metal paint surface crystal plating material and a preparation method thereof. Background technique [0002] The metal paint surface protection layer on the market today is basically made of acrylic, polyurethane varnish, high temperature baking varnish and UV varnish, etc., which are cured at room temperature. Their hardness is usually only 1H to 3H, so the surface of the metal paint is very easy to be scratched. The hydrophobic angle Usually less than 90 degrees, it is easy to be polluted outdoors, not easy to clean, and has poor yellowing resistance. In a high temperature environment of 400 degrees, the paint surface will be scorched, blistered, and peeled off. Contents of the invention [0003] Based on this, the object of the present invention is to provide a metal paint surface crystal plating material to overcome the disadvantages o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D5/08C09D5/16C09D5/33C09D7/63
CPCC08L2201/08C08L2205/025C09D5/004C09D5/08C09D5/16C09D5/18C09D183/04C08L83/04C08K5/544
Inventor 杨朝阳熊天宝范红刚廖建雄
Owner 广州双桃精细化工有限公司
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