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Long-wave cured wood coating and preparation method thereof

A technology for wood coatings and mixtures, applied in polyester coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve problems such as non-reaction curing, and achieve simple construction methods, long service life, and improved use efficiency. Effect

Pending Publication Date: 2022-03-22
濮阳展辰新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary UV-curable products cannot be fully reacted and cured under long-wave lamps

Method used

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  • Long-wave cured wood coating and preparation method thereof
  • Long-wave cured wood coating and preparation method thereof
  • Long-wave cured wood coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Present embodiment provides a kind of wood coating, by weight, its formula is as follows:

[0055]

[0056] Its preparation method comprises the following steps:

[0057] (1) Epoxy acrylate, polyester acrylate, polyurethane acrylate and multifunctional reactive diluent EM231\EM231-TF (TMPTA) are dropped into the reactor, stirred at 800r / min for 10min to obtain compound I;

[0058] (2) Stir the mixture I, dispersant, defoamer, leveling agent, antioxidant and photoinitiator at 800r / min for 10min to obtain mixture II;

[0059] (3) Stir the mixture II, 1250-mesh transparent powder, 1000-mesh talcum powder and anti-settling agent for 30 minutes at 1200 r / min to obtain a mixture III with a dispersion fineness of ≤50 μm;

[0060] (4) Stir the mixture III and 4.4 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) at 600r / min for 5min, then add 9 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) Stir at 600r / min for 10min, that is.

Embodiment 2

[0062] The present embodiment provides a wood coating, which comprises the following components in parts by weight:

[0063]

[0064] Its preparation method comprises the following steps:

[0065] (1) Epoxy acrylate, polyester acrylate, polyurethane acrylate and multifunctional reactive diluent EM231\EM231-TF (TMPTA) are dropped into the reactor, stirred at 800r / min for 10min to obtain compound I;

[0066] (2) Stir the mixture I, dispersant, defoamer, leveling agent, antioxidant and photoinitiator at 800r / min for 10min to obtain mixture II;

[0067] (3) Stir the mixture II, 1250-mesh transparent powder, 1000-mesh talcum powder and anti-settling agent for 30 minutes at 1200 r / min to obtain a mixture III with a dispersion fineness of ≤50 μm;

[0068] (4) Stir the mixture III and 1.4 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) at 600r / min for 5min, then add 2 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) Stir at 600r / min for 10min, tha...

Embodiment 3

[0070] The present embodiment provides a wood coating, which comprises the following components in parts by weight:

[0071]

[0072] Its preparation method comprises the following steps:

[0073] (1) Epoxy acrylate, polyester acrylate, polyurethane acrylate and multifunctional reactive diluent EM231\EM231-TF (TMPTA) are dropped into the reactor, stirred at 800r / min for 10min to obtain compound I;

[0074] (2) Stir the mixture I, dispersant, defoamer, leveling agent, antioxidant and photoinitiator at 800r / min for 10min to obtain mixture II;

[0075] (3) Stir the mixture II, 1250-mesh transparent powder, 1000-mesh talcum powder and anti-settling agent for 30 minutes at 1200 r / min to obtain a mixture III with a dispersion fineness of ≤50 μm;

[0076] (4) Stir the mixture III and 2.4 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) at 600r / min for 5min, then add 2 parts of multifunctional reactive diluent EM222 / EM222-TF (DPGDA) Stir at 600r / min for 10min, tha...

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Abstract

The invention relates to the field of coatings, in particular to a long-wave-cured wood coating and a preparation method thereof. The wood coating is prepared from the following components in parts by weight: 20 to 30 parts of epoxy acrylate, 15 to 25 parts of polyester acrylate, 5 to 10 parts of urethane acrylate and 1 to 3 parts of antioxidant, the antioxidant is chlorinated polyolefin modified acrylate dissolved paraffin. The wood coating provided by the invention does not contain volatile solvents by 100%, and has the advantages of high fullness, good leveling property, rapid curing and simple construction mode. Moreover, the wood coating can be completely cured under a long-wave lamp, and in addition, the wood coating can also be completely cured under a high-pressure mercury lamp. The woodenware coating can be used for roller coating, can also be sprayed and repaired by adding a small amount of diluent, and meets the requirements of customers on high working efficiency.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a long-wave curing wood coating and a preparation method thereof. Background technique [0002] In recent years, ultraviolet curing technology and its coatings have been developed and applied rapidly, but traditional high-pressure mercury lamps emit a large amount of strong ultraviolet rays when used, which can burn people's skin and eyes; mercury in high-pressure mercury lamps, when people grow Time contact will cause harm to the human body. At the same time, it will emit a large amount of heat, which will cause the high-pressure mercury lamp box to overheat and cause serious energy loss. Moreover, it will deform and dislocate the coated product, resulting in serious product defects. The long-wave lamp is a cold light source lamp body, which belongs to the low-temperature curing method and does not emit a lot of heat during use. Therefore, it is very suitable for coating heat-sensitive s...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D167/06C09D175/14C09D7/20C09D7/65
CPCC09D163/10C09D7/20C09D7/65C08L67/06C08L75/14C08L91/06
Inventor 李金标陈寿生罗先平
Owner 濮阳展辰新材料有限公司
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