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A kind of low-cost high wear-resistant type UV curing coating and its preparation method and application

A curing coating, high wear-resistant technology, applied in chemical instruments and methods, polyurea/polyurethane coatings, coatings, etc. Good grinding performance

Active Publication Date: 2021-08-27
NINGBO FUNA NEW MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The low-cost and high-wear-resistant UV-cured coating provided by the present invention is a UV-cured UV coating with high hardness, good wear resistance and low cost, and aims to solve the problem of hardening PMMA / Treatment of Hardness and Wear Resistance of PC Composite Substrate

Method used

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  • A kind of low-cost high wear-resistant type UV curing coating and its preparation method and application
  • A kind of low-cost high wear-resistant type UV curing coating and its preparation method and application
  • A kind of low-cost high wear-resistant type UV curing coating and its preparation method and application

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Embodiment 1-3

[0028] A kind of wear-resistant type UV curable coating, it by weight percentage, its each component is as shown in table 1:

[0029] Table 1

[0030]

[0031] The preparation method of the above-mentioned wear-resistant coating specifically comprises the following steps:

[0032] Weigh raw materials according to the formula of the above-mentioned wear-resistant coating, add nano-calcium carbonate powder, stabilizer and 30% ethyl acetate solvent into the container according to the weight percentage, stir at 1500r / min for 10-20min, and then ultrasonically 10-30min, then add anti-fingerprint additive and stir for 10-20min at 1500r / min, then add leveling agent and stir for 10-20min at 1500r / min, ultrasonic for 10-20min; , nine-official urethane acrylate and 30% isopropanol solvent are mixed evenly. Mix the two evenly, add a photoinitiator and stir for 10-30min under the condition of 1500r / min rotating speed to obtain the wear-resistant UV curable coating.

[0033] Flow-coat...

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PUM

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Abstract

The present invention relates to a low-cost high wear-resistant UV curable coating and its preparation method and application. The low-cost high wear-resistant UV curable coating comprises the following components by weight percentage: 6-functional polyurethane acrylate 20- 35%; 9-15 functional polyurethane acrylate 3-8%; nano powder 0.7-1%; anti-fingerprint additive 0.5-1%; leveling agent 0.3-1%; stabilizer 0.2-2%; photoinitiator 0.5% to 2%; solvent 50% to 75%. The wear-resistant UV curable coating is flow-coated, spray-coated or manually coated on the PMMA surface of the PMMA / PC composite substrate to enhance the abrasion-resistant performance of the PMMA / PC plate surface. The low-cost and high-wear-resistant UV-curable coating can form a tough coating layer on the surface of the PMMA / PC composite substrate after being cured by UV ultraviolet light, and has good adhesion to the PMMA / PC composite substrate, high surface hardness, It has good wear resistance and low cost, which can effectively ensure that the product is not easy to be scratched during use, and has good hydrophobic and oleophobic properties and easy cleaning.

Description

technical field [0001] The invention relates to the field of ultraviolet curing coatings, in particular to a low-cost and high wear-resistant UV curing coating used on the surface of PMMA / PC composite substrates, as well as its preparation method and application. Background technique [0002] With the advent of the 5G era, metal mobile phone back covers are gradually being replaced by plastic. PMMA / PC composite material has high transparency, and can obtain visual vitrification effect through surface treatment, so it is the best choice to replace metal. Different from the current hotter plastic alloys, PMMA / PC composite board is a composite material made by co-extruding two raw materials, PMMA and PC. One side of the PMMA / PC composite board is made of PMMA, which has high hardness and wear resistance, and is used for the outer layer of the mobile phone cover; the other side is made of PC, which is softer and used as the inner layer to improve the overall toughness of the ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/61B32B27/08B32B27/36B32B27/30B32B33/00
CPCB32B27/08B32B27/308B32B27/365B32B33/00B32B2250/24B32B2255/10B32B2255/26B32B2307/554C08K2003/265C08K2201/011C08L2205/025C09D175/14C09D7/61C08L75/14C08K3/26
Inventor 朱小云李友良张家祯陈喆
Owner NINGBO FUNA NEW MATERIALS TECH CO LTD
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