Environment protective polyurethanes hammer paint

A technology of polyurethane and hammer paint, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of easy environmental pollution, immature technology, high cost, etc., achieve good hammer effect, wide application range, Meet the effect of environmental protection

Active Publication Date: 2009-01-28
GUANGDONG SANVO CHEM IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the latest water-based hammer paint has disadvantages such as immature technology and high cost, making it difficult to quickly enter the vast coating market.
Other types of hammer paint in the mainstream paint and coatings market have disadvantages such as high VOC, slow drying, and poor adhesion, which are easy to cause pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Component A: Put 40 parts of short oil alkyd resin and 5 parts of long oil resin into the dispersion tank according to the weight ratio, add 0.4 parts of dispersant, 0.8 parts of anti-sedimentation agent, 5 parts of propylene glycol methyl ether acetate, dibasic acid Add 2 parts of ester, stir at 800 rpm, add 30 parts of titanium dioxide, disperse for 10-30 minutes; grind to fineness ≤ 25 μm; add 0.4 parts of defoamer, 0.5 parts of leveling agent, non-leafing aluminum 4 parts of silver paste, 11.7 parts of butyl acetate, and 0.2 parts of polydimethylsiloxane are dispersed for 15 to 45 minutes at a speed of 1000 rpm; after passing the inspection, component A can be made;

[0035] Component B: Mix 30 parts of HDI trimer polyisocyanate, 40 parts of HDI-TDI trimer and 30 parts of butyl acetate uniformly by weight to make Component B;

[0036] Component C: Mix 80 parts of butyl acetate and 20 parts of propylene glycol methyl ether acetate evenly by weight to make component C...

Embodiment 2

[0039] Component A: Put 50 parts of short oil alkyd resin and 4 parts of long oil resin into the dispersion tank by weight ratio, and add 0.3 parts of dispersant, 0.7 parts of anti-settling agent, 4.5 parts of propylene glycol methyl ether acetate, divalent 1.5 parts of acid ester, at 1400 rpm, add 23 parts of phthalocyanine green while dispersing, and disperse for 15 minutes; grind to fineness ≤ 25 μm; add 0.5 parts of defoamer, 0.6 parts of leveling agent, non-floating 3 parts of aluminum-silver paste, 11.5 parts of butyl acetate, and 0.4 parts of polydimethylsiloxane are dispersed for 25 minutes at a speed of 1000 rpm; after passing the inspection, component A can be made;

[0040] Component B: Mix 35 parts of HDI trimer polyisocyanate, 35 parts of HDI-TDI trimer and 30 parts of butyl acetate uniformly by weight to make Component B;

[0041] Component C: Mix 70 parts of butyl acetate and 30 parts of propylene glycol methyl ether acetate evenly by weight to make component C;...

Embodiment 3

[0044] Component A: Put 60 parts of short oil alkyd resin and 3 parts of long oil resin into the dispersion tank by weight ratio, and add 0.2 parts of dispersant, 0.6 parts of anti-settling agent, 4 parts of propylene glycol methyl ether acetate, divalent 1.0 parts of acid ester, at 1400 r / min, add Fe while dispersing 2 o 3 20 parts, dispersed for 10 minutes; after grinding to fineness ≤ 25μm; put in 0.3 parts of defoamer, 0.4 parts of leveling agent, 5 parts of non-leafing aluminum silver paste, 5.2 parts of butyl acetate, polydimethylsiloxane 0.3 parts, disperse for 15 minutes at 600 rpm; after passing the inspection, component A can be made;

[0045] Component B: Mix 25 parts of HDI trimer polyisocyanate, 50 parts of HDI-TDI trimer and 25 parts of butyl acetate in a weight ratio to make Component B;

[0046] Component C: Mix 90 parts of butyl acetate and 10 parts of propylene glycol methyl ether acetate evenly by weight to make component C;

[0047] When used, the weigh...

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Abstract

The invention discloses an environmental-protection polyurethane hammer paint which is applied to wood surface decoration and protection and consists of a component A, a component B and a component C; when in use, the component A, the component B and the component C can be evenly mixed by the weight ratio that component A: component B: component C is equal to 1: 0.4 to 0.6: 0.5 to 0.6; wherein, the component A consists of: short oil alkyd resin, 40 to 60 parts; long oleoresin, 2 to 5 parts; dispersing agent, 0.2 to 0.5 part; anti-sedimentation agent, 0.4 to 0.9 part; propylene glycol ether acetate 3 to 6 part; divalent ester 1 to 3 parts; pigment, 0 to 30 parts; defoamers, 0.2 to 0.5 part; leveling agent, 0.2 to 0.7 part; non-floating-type aluminum paste, 1 to 5 parts; n-butyl acetate 5 to 15 parts, polydimethylsiloxane, 0.1 to 0.5 part; the component B consists of the following materials by weight ratio: HDI trimer poly isocyanate: HDI-TDI trimer: n-butyl acetate is equal to 2 to 4: 3 to 5: 1 to 4; the component C consists of the following materials by weight ratio: n-butyl acetate: propylene glycol methyl ether acetate is equal to 7 to 9: 1 to 3. The invention has the advantagesof: 1. good paint film solvent resistance and acid and alkaline resistance, bright color, clear texture, and good hammer effective; 2. high paint film hardness and wide application range, not only being applicable to wood surface, but also being applicable to metal surface decoration and protection; and 3. triphenyl-free, low VOC, and high solid content, and meeting the requirements on environmental protection.

Description

technical field [0001] The invention is an environment-friendly polyurethane hammer paint. technical background [0002] With the development of the economy, there are more and more types of polyurethane coatings. Among them, polyurethane hammer paint is widely used in the surface coating of various products because of its fast drying, low VOC, good adhesion and special hammer decorative effect. . The current polyurethane hammer paint is mainly used on metal products. In today's increasingly fierce competition in various industries, various industries are constantly seeking product differentiation in order to survive and develop. The hammer grain decorative effect is being used more and more in furniture coating and interior wood finishing and decoration. Due to the poor solvent resistance and acid and alkali resistance of the original polyurethane hammer-grain paint, the color is not bright enough, the texture of the hammer-grain is not clear enough, and the hardness is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D5/28
Inventor 陈炳强陈炳耀刘癸军
Owner GUANGDONG SANVO CHEM IND TECH
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