White board film matte UV coating and preparation method thereof

A matte, whiteboard technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient wiping and durability, achieve uniform and stable paint film gloss, clear fonts, improve wear resistance and durability The effect of chemical properties

Active Publication Date: 2020-08-04
GUANGZHOU SHENWEI NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the defects of insufficient wipeability and durability in the above-mentioned prior art, the present invention provides a matte UV paint for whiteboard film. The matte UV coating for whiteboard film provided has a matte effect on the surface of the whiteboard film and is easy to write on. , clear writing, good wiping and durability

Method used

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  • White board film matte UV coating and preparation method thereof
  • White board film matte UV coating and preparation method thereof
  • White board film matte UV coating and preparation method thereof

Examples

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Embodiment 1～3 and comparative example 1～2

[0044] Table 1 shows the compositions of the matte UV coatings for white board films in Examples 1-3 and Comparative Examples 1-2.

[0045] Table 1 The composition (unit: parts by weight) of the whiteboard film matte UV coating of Examples 1-3 and Comparative Examples 1-2

[0046]

[0047]

[0048] The preparation method of the whiteboard film matte UV coating of Examples 1-3 and Comparative Examples 1-2 comprises the following steps:

[0049] S1. Feed high-functional urethane acrylate resin, difunctional urethane acrylate resin, UV reactive diluent, UV photoinitiator, dispersant, leveling agent and butyl acetate into the reactor, and control the speed at 800-1000 rpm , and stir for 20-30min to mix evenly to obtain a mixed solution;

[0050] S2. Add organosilicon powder into the mixture of S1., stir for 20-30min, control the speed at 1000-2000 rpm, until the organosilicon powder is evenly dispersed, no agglomeration, no agglomeration; finally add ethyl acetate to adjust t...

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Abstract

The invention discloses a white board film matte UV coating and a preparation method thereof. The white board film matte UV coating comprises the following components in parts by weight: 30 to 40 parts of high-functionality urethane acrylate resin, 5 to 10 parts of difunctionality urethane acrylate resin, 10 to 20 parts of a UV reactive diluent, 3 to 5 parts of a UV photoinitiator, 5 to 10 parts of organic silicon micro powder, 0.5 to 1 part of a dispersing agent, 0.1 to 0.5 part of a leveling agent and 20 to 30 parts of a solvent. According to the invention, the high-functionality urethane acrylate resin and the difunctional urethane acrylate resin are used as main materials, the organic silicon micropowder is added, and other components are matched to obtain the white board film matte UVcoating. The white board film matte UV coating has a matte effect, is anti-glare, has the characteristics of being easy to write and erase, is easy to wet when a white board pen writes, does not generate an ink shrinkage phenomenon, has clear characters, is easy to erase, has high hardness, high scratch resistance and good durability, and is very suitable for matte treatment and hardening treatment of the surface of a white board film.

Description

technical field [0001] The invention relates to the technical field of whiteboard film coatings, in particular to a matte UV coating for whiteboard films. Background technique [0002] The writing board specially used for whiteboard markers has been widely accepted and used by the public because it has the characteristics of being easy to erase and write and can not produce dust. This type of writing board can be used in cultural teaching, office, meeting and other occasions, and its characteristic is that the ink written on the writing board with a whiteboard pen can be erased. [0003] The surface of the writing board is provided with a whiteboard film. The surface of the existing whiteboard film is generally coated with a matte baking varnish. The matte baking varnish has a matte effect. However, matte baking varnishes generally have low crosslinking density, are not easy to wipe off, and have insufficient durability. In addition, the production process is complicated, w...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/65
CPCC09D175/14C09D7/65C08L2205/025C08L2205/035C08L75/14C08L83/04C08L79/02
Inventor 吕学义袁慧雅
Owner GUANGZHOU SHENWEI NEW MATERIAL TECH
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