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Floor paint

A technology of floor paint and topcoat, applied in the field of floor paint, which can solve problems such as floor cracking, poor environmental protection, and high cost, and achieve the effects of reducing viscosity, increasing resistance, and improving adhesion

Active Publication Date: 2009-04-22
SINO MAPLE JIANGSU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problem of floor cracking, floor paint made of hot-melt technology has appeared on the international market, but its environmental protection is not good, and its cost is much higher than that of UV paint.

Method used

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  • Floor paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 57% water-based polyurethane with a solid content of 40%;

[0043] Ethylene glycol 0.8%;

[0044] Polysiloxane dispersant 1%;

[0045] Isocyanate crosslinking agent 7.5%;

[0046] Silicone defoamer 1%;

[0047] The rest is water.

[0048] Water-based polyurethane is made of polytetrahydrofuran polyol and isocyanate through chain extension of ethylenediamine with anionic sulfonate group, and its molecular weight is 10,000-10,000.

[0049] The polysiloxane dispersant is an addition modified product of polydimethylsiloxane and polyethylene oxide, with a molecular weight of 1000-5000.

[0050] The isocyanate crosslinking agent is an addition modified product of hexamethylene diisocyanate (HDI trimer) and polyalkylene oxide, and the content of isocyanate group (NCO) is 23%.

[0051] About 1% thickener can also be added in the formula of the primer.

[0052] The isocyanate crosslinking agent and water are added before the primer is used. After adding, mix the primer ev...

Embodiment 2

[0054] 75% water-based polyurethane with a solid content of 45%;

[0055] Ethylene glycol 0.5%;

[0056] Polysiloxane dispersant 0.8%;

[0057] Isocyanate crosslinking agent 7.5%;

[0058] Silicone defoamer 1.2%;

[0059] The rest is water.

[0060] Water-based polyurethane is made of polybutylene adipate polyol and isocyanate through chain extension of ethylenediamine with anionic carboxylate group, and its molecular weight is 10,000-100,000.

[0061] The polysiloxane dispersant is an addition modified product of polydimethylsiloxane and polyethylene oxide, with a molecular weight of 1000-5000.

[0062] The isocyanate crosslinking agent is an addition modified product of isophorone diisocyanate (IPDI) trimer and polyalkylene oxide, and the content of isocyanate group (NCO) is 15%.

Embodiment 3

[0064] 57% water-based polyurethane with a solid content of 40%;

[0065] Ethylene glycol 0.8%;

[0066] Polysiloxane dispersant 1%;

[0067] Isocyanate crosslinking agent 7.5%;

[0068] Silicone defoamer 1%;

[0069] The rest is water.

[0070] Water-based polyurethane is made of polycaprolactone polyol and isocyanate through chain extension of ethylenediamine with anionic sulfonate group, and its molecular weight is 10,000-100,000.

[0071] The polysiloxane dispersant is an addition modified product of polydimethylsiloxane and polyethylene oxide, with a molecular weight of 1000-5000.

[0072] The isocyanate crosslinking agent is an addition modified product of hexamethylene diisocyanate (HDI trimer) and polyalkylene oxide, and the content of isocyanate group (NCO) is 23%.

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Abstract

The invention discloses floor paint formed by aqueous primer and UV finishing coat. The solid content of aqueous polyurethane in the primer is between 25 and 45 percent, and is formed by oligomer polylol and isocyanate through hydrophilic chain extender by chain extension, wherein the ligomer polylol has molecular weight of between 500 and 3,000, and is selected from tetrahydrofuran polylol, polybutanediol adipate polylol and polycaprolactone polylol; and the hydrophilic chain extender is ethylenediamine with anionic sulphonate or anionic carboxylate groups. The finishing coat uses butanone as a solvent, and contains epoxy mondified acrylic resin, trifunctional monomer, 1,6-hexanediol diacrylate, silicon dioxide powder, light initiator, active amine assistant initiator, organic fluorine foam suppressor and aluminum oxide powder, wherein a diluent monomer is selected from trimethylolpropane triacrylate, trifunctional extractant acid ester, pentaerythritol triacrylate, and propoxylated propanetriol triacrylate. The floor paint has the advantages of good wear resisting property and scraping resisting property and splitting resisting property.

Description

technical field [0001] The present invention relates to a kind of floor paint, more specifically, a kind of ultraviolet curing paint (UV paint) is designed. Background technique [0002] When using UV paint, usually first apply a layer of water-based primer, and then apply a layer of topcoat. [0003] After the ordinary primer is irradiated by ultraviolet light, although it will undergo chemical cross-linking and curing, it will only produce adsorption and anchoring combination with the wood through van der Waals force, and there is no chemical bond. And after the paint film is cured, the whole is brittle, and the resistance to cold and heat deformation is poor. The ordinary ester bond in its structure has the risk of degradation and mildew under long-term high temperature and high humidity. In order to solve the problem of floor cracking, floor paint made of hot-melt technology has appeared on the international market, but its environmental protection is not good, and its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D4/02C09D163/10
Inventor 高淑国
Owner SINO MAPLE JIANGSU CO LTD
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