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Cracking-resistant polyurethane white finish paint for wood ware

A kind of anti-cracking, polyurethane technology, applied in the field of coating manufacturing industry, can solve the problems of delamination, poor anti-cracking, cracking of paint film, etc., and achieve the effect of good flexibility, excellent anti-cracking performance, and environmental protection in construction leveling.

Inactive Publication Date: 2009-10-14
方学平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional white finish paint contains double chains in the resin and benzene rings (toluene diisocyanate and trimethylolpropane prepolymer) in the curing agent. Membrane cracking, delamination

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of anti-cracking polyurethane white finish paint for woodware of the present invention is made up of three components of A, A component, B, B component and C, C component, wherein A component: first the coconut oil alkyd resin of 30kg , 0.3kg of wetting and dispersing agent, 1.0kg of PMA, 1.0kg of xylene and 26.7kg of rutile titanium dioxide were added to the high-speed mixer in turn, stirred and dispersed, and then ground to a fineness of ≤25μm, and then 30kg of coconut oil alkyd was added in turn Resin, 1.0kg n-butyl acetate, 1.5kg polyethylene wax slurry, 2.0kg matting powder, 0.3kg wax powder, 0.2kg defoamer, 0.3kg leveling agent, 0.5kg cyclohexanone and 0.2kg of n-butyl ester, stirred at a speed of 1200r / min until ≤25μm, and adjusted the viscosity to 5000-6000CPS / 25°C to obtain component A;

[0030] Component B: Stir and mix 50kg of dehydrated n-butyl ester, 10kg of HDI-90 and 40kg of TDI terpolymer HRB;

[0031] Component C: uniformly mixed with 50kg of n-...

Embodiment 2

[0034] A kind of anti-cracking polyurethane white finish paint for woodware of the present invention is made up of A, first component, B, second component and C, third component three components, and wherein first component: first the coconut oil alkyd resin of 25kg , 0.3kg of wetting and dispersing agent, 1.0kg of PMA, 1.5kg of xylene and 28.3kg of rutile titanium dioxide were added to the high-speed mixer in turn, stirred and dispersed, and then ground to a fineness of ≤25μm, and then 30kg of coconut oil alkyd was added in turn Resin, 2.0kg n-butyl acetate, 3.0kg polyethylene wax slurry, 5.0kg matting powder, 0.7kg wax powder, 0.4kg defoamer, 0.6kg leveling agent, 1.5kg cyclohexanone and 0.7kg of n-butyl ester, stirred at a speed of 1200r / min until ≤25μm, and adjusted the viscosity to 5000-6000CPS / 25°C to obtain component A;

[0035] Component B: Stir and mix 54kg of dehydrated n-butyl ester, 16kg of HDI-90 and 30kg of TDI terpolymer HRB;

[0036] Component C: uniformly mix...

Embodiment 3

[0039] A kind of anti-cracking polyurethane white finish paint for woodware of the present invention is made up of A, first component, B, second component and C, third component three components, and wherein first component: first the coconut oil alkyd resin of 27kg , 0.2kg of wetting and dispersing agent, 0.7kg of PMA, 1.0kg of xylene and 26.9kg of rutile titanium dioxide were added to the high-speed mixer in turn, stirred and dispersed, and then ground to a fineness of ≤25μm, and then 35kg of coconut oil alkyd was added in turn Resin, n-butyl acetate 1.5kg, polyethylene wax slurry 2.0kg, matting powder 3.0kg, wax powder 0.5kg, defoamer 0.3kg, leveling agent 0.4kg, cyclohexanone 1.0kg and 0.5kg of n-butyl ester, stirred at a speed of 1200r / min until ≤25μm, and adjusted the viscosity to 5000-6000CPS / 25°C to obtain component A;

[0040] Component B: Stir and mix 60kg of dehydrated n-butyl ester, 10kg of HDI-90 and 30kg of TDI terpolymer HRB;

[0041] Component C: uniformly mix...

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PUM

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Abstract

The invention discloses a cracking-resistant polyurethane white finish paint used for wood ware, which comprises three components: a component A, a component B and a component C and is characterized in that the component A is prepared by mixing and stirring coconut oil alkyd resin, wet dispersing agent, PMA, dimethylbenzene, rutile type titanium dioxide, butyl acetate, polyethylene wax paste, matting powder, wax powder, foam killer, flatting agent, cyclohexanone and n-butyl at high speed; the component B is prepared by mixing and stirring dehydrated n-butyl, HD1-90 and HRB which is the trimer of TD1; the component C is prepared by evenly mixing n-butyl and butyl acetate; and the weight percentage of the component A, the component B and the component C is 1:0.4-0.6:0.6-0.8. Aiming at overcoming the defects existing in the prior art, the invention provides the cracking-resistant polyurethane white finish paint used for wood ware, which is cracking resistant and yellowing resistant.

Description

technical field [0001] The invention relates to a crack-resistant polyurethane white finish paint for woodware, which belongs to the paint manufacturing industry. Background technique [0002] Polyurethane matte white finish is a kind of white paint with excellent comprehensive performance, which is widely used in wood decoration. Conventional white finish paint contains double chains in the resin and benzene rings (toluene diisocyanate and trimethylolpropane prepolymer) in the curing agent. Membrane cracking and delamination. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a crack-resistant, yellow-resistant polyurethane white finish for woodware. [0004] In order to achieve the above object, the present invention adopts the following scheme: [0005] A kind of anti-cracking polyurethane white finish paint for woodware, it is made up of A, A component, B, B component, C, C component t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04B05D7/06
Inventor 方学平
Owner 方学平
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