Colorful ultraviolet (UV) light solidifying paint

A light-curing coating and color technology, applied in the field of coatings, can solve the problems of coating performance degradation and environmental protection of UV coatings, and achieve the effects of easy construction, large promotion and application value, and good environmental performance

Inactive Publication Date: 2011-10-12
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem of the former is obvious. The system that completely depends on the solvent to adjust the viscosity either has difficulty in construction due to too high viscosity or the problem of adding too much active diluent to reduce the performance of the coating; the problem of the latter is that too much organic solvent Adding reduces the environmental protection of UV coatings, so it is not worth advocating

Method used

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  • Colorful ultraviolet (UV) light solidifying paint
  • Colorful ultraviolet (UV) light solidifying paint
  • Colorful ultraviolet (UV) light solidifying paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The specific implementation steps are as follows:

[0032] (1) Disperse the resin, monomer, part of the defoamer (accounting for 20% to 80% of the total amount), and the thixotropic agent with a high-speed disperser with a rotating speed of 1200 rpm for 15 minutes;

[0033] (2) Toner or color paste, wetting and dispersing agent, part of defoamer (20% to 40% of the total amount), and part of the solvent (5% to 50% of the total amount of solvent) are ground on a three-roller machine to Scatter until the system is even and fine, and then pass through a 300-mesh net;

[0034] (3) The solid photoinitiator is mixed in proportion and dissolved in the solvent that has been mixed in proportion;

[0035] (4) Stir the product obtained in step 1, step 2 and step 3 with solvent, leveling agent, remaining defoamer, solvent, etc. with a disperser whose rotation speed is 600 rpm;

[0036] (5) Cross a 300-mesh filter screen to obtain UV colored paint.

Embodiment 2

[0038] Element

[0039] X-fast yellow

[0040] The specific implementation method is the same as the first embodiment.

Embodiment 3

[0042] Element

[0043] The specific implementation method is the same as the first embodiment.

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Abstract

The invention provides a colorful ultraviolet (UV) light solidifying paint. The paint comprises the following components in parts by weight: 25-55 parts of polyurethane acrylate prepolymer, 10-60 parts of acrylate monomer, 5-50 parts of solvent, 1-10 parts of photoinitiator, 1-15 parts of pigment, 0.5-10 parts of dispersing agent and 0.1-2 parts of auxiliary, wherein the acrylate monomer is a mixture of a single-functionality monomer, a double-functionality monomer and a high-functionality monomer. According to the invention, the paint is used so as to overcome the problems such as large volatility, difficult construction and the like in the existing colorful UV light solidifying paint, has the characteristics of low volatile organic compound (VOC), good decorative effect, rapid curing speed and the like, is easy to construct, is suitable for flow line production, and can be used for decoration of base materials such as plastic, wood, metal and the like.

Description

technical field [0001] The invention relates to a paint, in particular to a colored UV photocurable paint. Background technique [0002] Ultraviolet coatings were produced in the 1970s and have developed by leaps and bounds in the past 20 years. It adopts active diluent as viscosity regulator and ultraviolet radiation as curing means, which has the characteristics of energy saving, environmental protection and high production efficiency. Its application fields have expanded from the initial fields of mobile phones, DVDs, and walkmans to cosmetics, computers, heat-sensitive components, decorative panels, and medical equipment. [0003] Although UV curing technology has high production efficiency and does not contain volatile organic solvents (VOC), due to the limitations of UV curing technology itself, the existing UV curing coatings are still mainly transparent varnishes, and color UV curing coating products are very difficult. few. [0004] Although there are certain tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/16
Inventor 邓建国周华燕周保童黄辉田勇
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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