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Water-borne glass baking paint and preparation method thereof

A glass baking varnish, water-based technology, applied in the field of coatings, can solve the problems affecting the color of baking varnish, achieve simple preparation process, low coating viscosity, and improve the toughness of paint film

Active Publication Date: 2019-04-30
ZHEJIANG CASNOVO MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, water-soluble acrylic resins tend to react with dyes and affect the color of baking varnishes

Method used

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  • Water-borne glass baking paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025]A kind of water-based glass baking varnish, comprises the component of following percentage by weight:

[0026] 30% of water-based epoxy resin (select the water-based epoxy resin of GS-5000C produced by Changzhou Guangshu Chemical Technology Co., Ltd.), 18% of low methyl etherified amino resin (select high imine type partially low methyl etherified amino resin ), water-based acrylic resin modified polyurethane 6.4% (select aromatic isocyanate type water-based polyurethane), color essence dye or colorant 13% (select red color essence dye), leveling agent 0.4% (select silicone oil), silicone lubricant Wet agent 0.3%, adhesive agent 0.3% (select bisaminosilane coupling agent), antioxidant 0.5% (select sodium bisulfite), polyether defoamer 0.2%, bactericide 0.2%, pH regulator 1.4% ( Select 2-amino-2-methyl-1-propanol), and the rest is deionized water.

[0027] The preparation method of the above-mentioned water-based glass baking varnish is: mix wetting agent, defoamer, and...

Embodiment 2

[0030] A kind of water-based glass baking varnish, comprises the component of following percentage by weight:

[0031] Water-based epoxy resin 38% (select the water-based epoxy resin of WE-8216 produced by Shandong Ruisan Chemical Technology Co., Ltd.), low methyl etherified amino resin 13% (select high imine type partially low methyl etherified amino resin ), water-based acrylic resin modified polyurethane 13% (select aromatic isocyanate type water-based polyurethane), color essence dye or colorant 6% (select green color essence dye), leveling agent 0.3% (select acrylate leveling agent), 0.3% acetylenic diol wetting agent, 0.3% adhesive agent (choose siloxane coupling agent containing methacrylate group), 0.5% antioxidant (choose oxalic acid), 0.2% high carbon alcohol defoamer, 0.2% bactericide, 1.2% pH adjuster (N-methylethanolamine is selected), and the rest is deionized water.

[0032] The preparation method of the above-mentioned water-based glass baking varnish is: mix ...

Embodiment 3

[0035] A kind of water-based glass baking varnish, comprises the component of following percentage by weight:

[0036] Water-based acrylic resin 22% (selecting the model produced by Jintuan Chemicals Co., Ltd. is HOMAAC TM -5201 water-based acrylic baking varnish resin), low methylated amino resin 26% (select high imine type partly low methylated amino resin), water-based acrylic resin modified polyurethane 5.5% (select aromatic isocyanate type waterborne polyurethane), Color essence dye or colorant 21% (select blue color essence dye), leveling agent 0.3% (select fluorocarbon leveling agent), acrylic wetting agent 0.3%, adhesive agent 0.3% (select epoxy-containing silicon oxane coupling agent), 0.5% antioxidant (select ammonia), 0.2% silicon defoamer, 0.2% bactericide, 1.2% pH regulator (select dimethylethanolamine), and the rest is deionized water.

[0037] The preparation method of the above-mentioned water-based glass baking varnish is: mix wetting agent, defoamer, and dei...

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Abstract

The invention relates to a water-borne glass baking paint which is characterized by comprising the following components by the weight percentage: 20-60% of water-borne epoxy resin, 10-40% of low methyl etherified amino resin, 0-18% of water-borne acrylic resin modified polyurethane, 3-30% of a color concentrate dye or colorant, 0.1-0.8% of a leveling agent, 0.1-1.0% of a wetting agent, 0.1-0.8% ofan adhesive agent, 0.1-0.8% of an antioxidant, 0.1-0.6% of a defoamer, 0.1-0.4% of a bactericide, 0.5-6% of a pH regulator, and the balance being deionized water. The invention also discloses a preparation method of the water-borne glass baking paint. Compared with the prior art, the water-borne glass baking paint has good adhesion force on glass and other substrates, excellent alcohol resistance, excellent water resistance, excellent wear resistance, and no need of use of additional organic solvents. The preparation method is simple and environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based glass baking varnish and a preparation method thereof. Background technique [0002] The coating protection and decoration of glass and glass products have a wide range of needs in industrial and civil fields, such as wine bottles, cosmetic bottles, perfume bottles, lighting, home decoration glass products and glass instruments, etc., all need to be coated with protective and decorative coatings on the surface. layer. At present, most of the glass coatings used in China are solvent-based products, which are relatively mature and popular. When using oily glass baking varnishes, more than 50% of organic solvents (toluene, xylene, industrial alcohol, etc.) need to be added. These solvents are volatile and irritating. It has a strong odor and is poisonous to the human body in varying degrees. During the production process, application process and drying pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D161/32C09D175/04C09D151/08C09D7/20
CPCC08L2205/03C09D151/08C09D161/32C09D163/00C09D7/20C08L61/32C08L75/04C08L63/00
Inventor 徐军付允明裘家升顾卓韦张莉莉周昶吉
Owner ZHEJIANG CASNOVO MATERIALS
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