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A kind of metal paint surface crystal plating material and preparation method thereof

A metal paint and crystal plating technology, which is applied in anti-corrosion coatings, fire-proof coatings, paints containing biocides, etc., can solve the problems of easy scratches on the surface of metal paint, poor yellowing resistance, and difficult cleaning, etc., to achieve super strength Self-cleaning, gloss-enhancing, and dust-resistant effects

Active Publication Date: 2020-03-17
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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  • A kind of metal paint surface crystal plating material and preparation method thereof
  • A kind of metal paint surface crystal plating material and preparation method thereof

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0036] An embodiment of the metal paint surface crystallization material of the present invention, the metal paint surface crystallization material of this embodiment contains 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 28mg KOH / g) 0.2 part, catalyst (DBTDL) 0.001 part, isocyanate (MDI) 0.1 part.

[0038] The preparation method of the crystal plating material on the surface of the metallic paint described in this embodiment includes the following steps:

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

[0040] (2) Add the silicone resin and organic...

Embodiment 2

[0045] An embodiment of the metal paint surface crystallization material of the present invention, the metal paint surface crystallization material of this embodiment contains 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 parts of leveling agent (Tego Glide 420), fluorine-containing surfactant (DuPont fluorocarbon surface active Capstone FS-3100) 0.4 parts, ultraviolet 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 and 0.15 parts of isocyanate (TDI).

[0047] The preparation method of the crystal plating material on the surface of the metallic paint described in this embodiment includes the following steps:

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

[0049] (2) Add the sil...

Embodiment 3

[0054] An embodiment of the metal paint surface crystallization material of the present invention, the metal paint surface crystallization material of this embodiment contains the following components by weight:

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

[0056] The preparation method of the crystal plating material on the surface of the metallic paint described in this embodiment includes the following steps:

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

[0058] (2) Add the silicone resin and or...

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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 crystalline material and a preparation method thereof, in particular to a metallic paint surface crystalline material and a preparation method thereof. Background technique [0002] The metal paint surface protective layer on the market today basically uses acrylic, polyurethane varnish, high-temperature baking varnish and UV varnish that are cured at room temperature. They usually have a hardness of only 1H to 3H, so the surface of the metal paint is very easy to be scratched and 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 burnt, blistered, and peeled off. Summary of the invention [0003] Based on this, the purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a metal paint surface crystalline ma...

Claims

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Application Information

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Patent Type & Authority Patents(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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