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UV-LED (ultraviolet-light emitting diode) photocureable coating and preparation method thereof

A UV-LED and light-curing coating technology, applied in the field of coatings, can solve problems such as poor effects, achieve good curing effects, fast curing, and improve production efficiency

Active Publication Date: 2014-08-13
SHANGHAI ZHENGOU IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The photoinitiators in the above-mentioned patents are all UV conventional photoinitiators, and the effect is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Add 25g of 6197, 15g of 6071, 18g of reactive diluent TMPTA and 0.2g of TEGO 920 into the tank and stir at 800-1000rpm, stir evenly for 15-20min; then continue to add reactive diluent 15g of NPGDA and 19.5g of HEMA into the tank, Stir evenly at a stirring speed of 500-600rpm for 10 minutes; continue to add leveling agent 0.3g BYK 358N and 7g HABI-L at a stirring speed of 500-600rpm for 3min, stir evenly, and then discharge and pack.

[0040] The viscosity of the UV-LED light-curing coating prepared in this example is about 80KU, and the curing light source is 395nm, and attention should be paid to prevent natural light from being irradiated.

Embodiment 2

[0042] Add 23g of 6197, 16g of 6071, 18g of reactive diluent TMPTA and 0.2g of TEGO 920 into the tank and stir at 800-1000rpm, stirring evenly for 15-20min; then continue to add reactive diluents 16g of NPGDA and 19.5g of HEMA into the tank, Stir evenly at a stirring speed of 500-600rpm for 10 minutes; continue to add leveling agent 0.3g BYK 358N and 7g HABI-L at a stirring speed of 500-600rpm for 3min, stir evenly, and then discharge and pack.

[0043] The viscosity of the UV-LED light-curing coating prepared in this example is about 80KU, and the curing light source is 395nm, and attention should be paid to prevent natural light from being irradiated.

Embodiment 3

[0045] Add 27g of 6197, 15g of 6071, 17g of reactive diluent TMPTA and 0.2g of TEGO 920 into the tank and stir at 800-1000rpm, stirring evenly for 15-20min; then continue to add reactive diluent 16g of NPGDA and 17.5g of HEMA into the tank, Stir evenly at a stirring speed of 500-600rpm for 10 minutes; continue to add 0.3g of BYK 055 and 7g of HABI-L as a leveling agent at a stirring speed of 500-600rpm for 3min, stir evenly, and then discharge and pack.

[0046] The viscosity of the UV-LED light-curing coating prepared in this example is about 80KU, and the curing light source is 395nm, and attention should be paid to prevent natural light from being irradiated.

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Abstract

The invention discloses a UV-LED (ultraviolet-light emitting diode) photocureable coating and a preparation method thereof. The photocureable coating is characterized by consisting of the following components in percentage by mass: 20-30% of high-functionality fatty acid polyurethane acrylate oligomer 6197, 10-20% of two-functionality polyurethane acrylate 6071, 10-20% of TMPTA (trimethylolpropane triacrylate) serving as a three-functionality functional monomer and an active diluent, 0.1-0.3% of foam inhibitor TEGO920, 10-20% of NPGDA (neopentyl glycol diacrylate) serving as a two-functionality functional monomer and an active diluent, 10-20% of HEMA (hydroxyethyl methacrylate) serving as a single-functionality functional monomer and an active diluent, 0.2-0.5% of flatting agent BYK358N, and 5-10% of HABI-L (hexaarylbiimidazole-L) serving as a photo-initiator. The photocureable coating has the advantages of quick curing, energy conservation, environmental friendliness and the like, and the production efficiency of UV-LED photocuring is promoted.

Description

technical field [0001] The invention relates to a light-curing coating, in particular discloses a UV-LED light-curing coating and a preparation method thereof, which belongs to the field of coatings and is suitable for industries such as packaging, building materials, electronic communications, and transportation, and has the advantages of high efficiency, energy saving, and environmental protection. . Background technique [0002] Photocuring refers to the process of cross-linking and polymerizing oligomers and monomers in liquid to form solid products under the action of ultraviolet light or visible light. Ultraviolet curing (UV) is a branch of radiation curing technology, which is mainly used in the preparation of light-curing coatings. LED is the English abbreviation of light-emitting diode, and UV LED is the English abbreviation of ultraviolet light-emitting diode. The new UV LED's light-emitting technology is different from the traditional mercury lamp light-emitting ...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12
Inventor 宗正新陈凯冯志峰刘庆
Owner SHANGHAI ZHENGOU IND
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