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UV curing anti-cracking oil composition

An oil composition, ultraviolet light technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve problems such as the difficulty of high-density boards, can not meet the requirements of mechanical properties of high-density boards, etc., to improve the adhesion level, mechanical properties, etc. Excellent performance and good adhesion

Inactive Publication Date: 2016-03-02
HUNAN XINLITAI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a UV-curable anti-cracking oil composition, which solves the difficulty in attaching the UV-curable composition to high-density boards in the prior art, and cannot meet the mechanical performance requirements of the follow-up process of high-density boards after coating the base material

Method used

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  • UV curing anti-cracking oil composition
  • UV curing anti-cracking oil composition
  • UV curing anti-cracking oil composition

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Get 55 grams of polyurethane acrylate (product of Sartomer, USA, No. CN965), 25 grams of propoxylated neopentyl glycol diacrylate, 10 grams of hydroxypropyl acrylate, 2 grams of 1-hydroxycyclohexyl phenyl ketone, 2 grams of 2, 4. 6-trimethylbenzoyl phosphine oxide, 3 grams of pentaerythritol tetrakis (3-mercaptopropionate) ester, 3 grams of acrylate phosphate, stirred and mixed evenly.

Embodiment 2

[0030] Take 55 grams of polyurethane acrylate (product of Taiwan Changxing Company, No. EM6112), 25 grams of propoxylated neopentyl glycol diacrylate, 10 grams of hydroxypropyl acrylate, 2 grams of 1-hydroxycyclohexyl phenyl ketone, 2 grams of 2, 4. 6-trimethylbenzoyl phosphine oxide, 3 grams of pentaerythritol tetrakis (3-mercaptopropionate) ester, 3 grams of acrylate phosphate, stirred and mixed evenly.

Embodiment 3

[0032] Take 55 grams of polyurethane acrylate (product of Hunan Xinlitai New Material Co., Ltd., No. TY-115, prepared from tetrahydrofuran homopolyether, toluene diisocyanate and hydroxyethyl acrylate), 25 grams of propoxylated neopentyl diacrylate Alcohol diacrylate, 10 g hydroxyethyl acrylate, 2 g 1-hydroxycyclohexyl phenyl ketone, 2 g 2,4,6-trimethylbenzoylphosphine oxide, 3 g pentaerythritol tetrakis(3-mercaptopropionic acid ) ester, 3 grams of acrylate phosphate, stir and mix well.

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Abstract

The invention provides an ultraviolet-curing anti-cracking oil composition. The composition comprises the following components in percentage by weight: 40-70 percent of olefinic bond type unsaturated group-containing polyurethane-acrylate prepolymer, 10-40 percent of acrylate monomer, 2-8 percent of a chain transfer agent, 3-10 percent of a photoinitiator and 1-10 percent of an adhesion promoter, wherein the olefinic bond type unsaturated group-containing polyurethane-acrylate prepolymer is prepared from polytetrahydrofuran polyalcohol, polyisocyanate and hydroxyethyl acrylate serving as raw materials. The composition is cured under ultraviolet irradiation after being prepared according to a ratio; the obtained film is flat and smooth, has good adhesion, superior mechanical performance and elongation at break of being over 50 percent, can be used in place of a hot melt adhesive and is widely applied to bamboo high-density boards.

Description

technical field [0001] The invention belongs to the field of anti-cracking agents for high-density boards, and in particular relates to an ultraviolet light curing anti-cracking oil composition. Background technique [0002] Because of its room temperature curing, no VOC (volatile organic compound) emission, UV curing technology has the characteristics of green environmental protection, high efficiency and energy saving. Since entering the 21st century, its application field has been continuously expanded, with an annual growth rate of more than 10%. At present, UV curing technology has been widely used in bamboo and wood decorative panels, plastics, electronics and other fields. [0003] Bamboo resources are relatively abundant in my country, and the growth cycle of bamboo is short, generally 2 to 5 years. Bamboo is steamed at high temperature and formed under high pressure to produce high-density boards, commonly known as "heavy bamboo". Such materials are often required...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/12
Inventor 胡辉李年信胡立新
Owner HUNAN XINLITAI NEW MATERIALS
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