Ultraviolet curable hydrophilic aluminum foil coating composition

A technology of hydrophilic aluminum foil and composition, which is applied in the direction of polyester coating, epoxy resin coating, polyurea/polyurethane coating, etc., can solve the problems of high energy consumption and environmental protection, and achieve simple production process, fast curing speed, The effect of moderate crosslink density

Inactive Publication Date: 2016-03-30
SHANGHAI CHENGYING NEW MATERIALS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coating needs to use water and alcohol ether solvent as the medium, and the curing requires high temperature baking, which consumes a lot of energy and is not environmentally friendly.

Method used

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  • Ultraviolet curable hydrophilic aluminum foil coating composition
  • Ultraviolet curable hydrophilic aluminum foil coating composition
  • Ultraviolet curable hydrophilic aluminum foil coating composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The UV-curable hydrophilic aluminum foil coating composition of this embodiment includes the components shown in Table 1;

[0038] The coating composition is roll-coated on the pretreated aluminum foil, and the coating dry weight is 0.4-1.0 g / m 2 Between, normal temperature leveling for 1 to 2 minutes, after 800mj / cm 2 The test results of the UV-curable coating are shown in Table 2.

Embodiment 2

[0040] The UV-curable hydrophilic aluminum foil coating composition of this embodiment includes the components shown in Table 1

[0041] The coating composition is roll-coated on the pretreated aluminum foil, and the coating dry weight is 0.4-1.0 g / m 2 Between, normal temperature leveling for 1 to 2 minutes, after 800mj / cm 2 The test results of the UV-curable coating are shown in Table 2.

Embodiment 3

[0043] The UV-curable hydrophilic aluminum foil coating composition of this embodiment includes the components shown in Table 1;

[0044] The coating composition is roll-coated on the pretreated aluminum foil, and the coating dry weight is 0.4-1.0 g / m 2 Between, normal temperature leveling for 1 to 2 minutes, after 800mj / cm 2 The test results of the UV-curable coating are shown in Table 2.

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Abstract

The invention discloses an ultraviolet curable hydrophilic aluminum foil coating composition. The composition includes the following components by weight: 30-80 parts of hydrophilic light-cured resin, 10-50 parts of a hydrophilic functional monomer, 5-20 parts of a reactive diluent, 5-10 parts of a photoinitiator, and 0.01-0.5 part of an additive. The coating composition provided by the invention is cured through ultraviolet, and has the characteristics of fast curing speed, no solvent discharge, no need for high-temperature baking, green and environmental protection and energy saving. The cured coating has the advantages of good adhesion, strong continuous hydrophilicity, high salt fog resistance, excellent mechanical properties, good temperature resistance, excellent flexural endurance, environmental protection and energy saving, and is very suitable for application in the hydrophilic aluminum foil field.

Description

technical field [0001] The invention relates to the field of UV-curable coatings, in particular to a UV-curable hydrophilic aluminum foil coating composition. Background technique [0002] With the continuous development of the national economy and the increasing improvement of people's living standards, air conditioners have been popularized in various fields of national life. Based on the requirements of energy and environmental protection, air-conditioning manufacturers have higher and higher requirements for the performance of air-conditioning components. Among them, air-conditioning heat exchangers are further developed towards functionalization, miniaturization and portability. The heat exchanger composed of aluminum fins requires thin fins and small spacing. If the fins are not treated or the treatment effect is poor, there will be "water bridge" and "white powder" problems. When the air conditioner is refrigerating, water vapor is easily condensed and attached to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/00C09D167/06C09D4/02
Inventor 虞明东缪慧蒋天龙李桐
Owner SHANGHAI CHENGYING NEW MATERIALS
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