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LED-UV (Light Emitting Diode-Ultraviolet) curing nano-coating for woodenware and preparation method thereof

A nano-coating and ultraviolet light technology, applied in polyester coatings, polyurea/polyurethane coatings, coatings, etc., to achieve good sanding performance, good paint film performance, and low cost effects

Active Publication Date: 2017-12-26
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of LED-UV ultraviolet light curing wood nano-coating and its preparation method that can realize coating curing by using low ultraviolet light irradiation energy in view of the deficiency of existing mercury lamp type ultraviolet light curing coating products

Method used

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  • LED-UV (Light Emitting Diode-Ultraviolet) curing nano-coating for woodenware and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Polyurethane acrylate cross-linked with pentaerythritol triacrylate and polyisocyanate 30%;

[0053] Fatty acid modified polyester acrylate resin 10%;

[0054] Ethoxylated modified trimethylolpropane triacrylate 20%;

[0055] Dipropylene Glycol Diacrylate 10%;

[0056] UV curable monomer dispersion of nano wear-resistant particles 5%;

[0057] Wetting and dispersing agent 0.2%;

[0058] Nano barium sulfate powder 15%;

[0059] Hydrogen abstraction photoinitiator 4%;

[0060] Active amine 1%;

[0061] Cleavage photoinitiator 4%;

[0062] Leveling agent 0.5%;

[0063] Defoamer 0.2%;

[0064] Inhibitor 0.1%.

[0065] The above-mentioned pentaerythritol triacrylate and polyisocyanate cross-linked urethane acrylate adopts the SM6330 type resin sold by Jiangsu Sanmu Group Company;

[0066] The above-mentioned fatty acid modified polyester acrylate resin adopts 03-849 sold by Swiss RAHN Lahn Company;

[0067] The above-mentioned ethoxylated modified trimethylolpropa...

Embodiment 2

[0076] Polyurethane acrylate cross-linked with pentaerythritol triacrylate and polyisocyanate 30%;

[0077] Fatty acid modified polyester acrylate resin 14%;

[0078] Ethoxylated Trimethylolpropane Triacrylate 22%;

[0079] Dipropylene Glycol Diacrylate 12%;

[0080] UV curable monomer dispersion of nano wear-resistant particles 2%;

[0081] Wetting and dispersing agent 0.2%;

[0082] Nano barium sulfate powder 10%;

[0083] Hydrogen abstraction photoinitiator 4%;

[0084] Active amine 1%;

[0085] Cleavage photoinitiator 4%;

[0086] Leveling agent 0.5%;

[0087] Defoamer 0.2%;

[0088] Inhibitor 0.1%.

[0089] The above-mentioned urethane acrylate resin cross-linked with pentaerythritol triacrylate and polyisocyanate adopts commercially available 6145-100 of Taiwan Changxing Chemical Group Company;

[0090] The polyester acrylate resin modified by the above-mentioned fatty acid adopts YH7297 of Dongguan Haohui Chemical Co., Ltd.;

[0091] The above-mentioned ethox...

Embodiment 3

[0100] Polyurethane acrylate crosslinked with pentaerythritol triacrylate and polyisocyanate 25%;

[0101] Fatty acid modified polyester acrylate resin 15%;

[0102] Ethoxylated modified trimethylolpropane triacrylate 20%;

[0103] Dipropylene Glycol Diacrylate 15%;

[0104] UV curable monomer dispersion of nano wear-resistant particles 5%;

[0105] Wetting and dispersing agent 0.2%;

[0106] Nano barium sulfate powder 10%;

[0107] Hydrogen abstraction photoinitiator 4%;

[0108] Active amine 1%;

[0109] Cleavage photoinitiator 4%;

[0110] Leveling agent 0.4%;

[0111] Defoamer 0.3%;

[0112] Inhibitor 0.1%.

[0113] The urethane acrylate resin formed by the crosslinking of the above-mentioned pentaerythritol triacrylate and polyisocyanate adopts the SM6330 type resin sold by Jiangsu Sanmu Group Company;

[0114] The above-mentioned fatty acid modified polyester acrylate resin adopts resins such as Dongguan Haohui Chemical Co., Ltd. YH7297;

[0115] The above-men...

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Abstract

The invention discloses LED-UV (Light Emitting Diode-Ultraviolet) curing nano-coating for woodenware and a preparation method thereof. The LED-UV curing nano-coating for the woodenware is prepared from the following raw materials in percentage by weight: 25 percent to 30 percent of polyurethane acrylate formed by crossly linking pentaerythritol triacrylate and polyisocynate, 10 percent to 15 percent of fatty acid modified polyester acrylate resin, 20 percent to 25 percent of ethoxylated modified trimethylolpropane triacrylate, 10 percent to 20 percent of dipropylene glycol diacrylate, 0.2 percent to 1.0 percent of a wetting dispersant, 10 percent to 15 percent of nano barium sulfate powder, 2 percent to 5 percent of a UV curing monomer dispersion solution of nano wear-resisting particles, 2 percent to 4 percent of a hydrogen abstraction type photoinitiator, 1 percent to 3 percent of active amine, 2 percent to 4 percent of a cracking type photoinitiator, 0.2 percent to 0.5 percent of a leveling agent, 0.2 percent to 0.5 percent of a de-foaming agent and 0.1 percent to 0.3 percent of a polymerization inhibitor. The ultraviolet curing coating disclosed by the invention can reach a needed curing degree only through 50mj / cm<2> to 60mj / cm<2> of LED-UV energy, so that the energy needed by coating curing is greatly reduced, the construction efficiency is improved and the possibility of causing quality defects in woodenware surface coating construction is reduced.

Description

technical field [0001] The content of the present invention relates to the field of LED-UV ultraviolet light curing materials, in particular to the technology of LED-UV ultraviolet light curing wood coatings, and in particular to an LED-UV ultraviolet light curing wood nano coating and a preparation method thereof. Background technique [0002] Traditional wood coatings mainly include solvent-based PU polyurethane coatings, solvent-based PE polyester coatings, and solvent-based NC nitro coatings. With the continuous innovation of coating industry technology, following the above-mentioned traditional solvent-based coatings, mercury lamp-type UV-curable coatings and water-based coatings have been developed, especially mercury-lamp-type UV-curable coatings, which are more and more widely used. Mercury lamp-type UV coatings have significant characteristics such as high solid content, fast curing, low emission, less pollution, assembly line production, and excellent paint film pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D167/06C09D7/12
CPCC08K2003/3045C08K2201/011C09D175/14C08L67/06C08K3/30
Inventor 史海生张纯梅
Owner SHANDONG UNIV
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