Environment-friendly glass paint

A kind of glass baking paint, environmental protection technology, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of hardness to be further improved, poor ethanol resistance, poor recoatability, etc., to reduce the VOC content of the product, resistance Ethanol has good performance and good recoatability

Inactive Publication Date: 2019-05-14
吴春燕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water-based glass wine bottle baking varnishes currently on the market usually have problems such as poor ethanol resistance, poor recoatability, adhesion, toughness, and hardness that need to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An environment-friendly glass baking varnish, the glass baking varnish is composed of the following raw materials in parts by weight:

[0027] Wherein, the water-soluble resin is prepared from the following raw materials in parts by weight: 10 parts of methyl methacrylate, 5 parts of styrene, 5 parts of acrylonitrile, 5 parts of hydroxyethyl methacrylate, and 5 parts of butyl acrylate , 15 parts of acrylic acid, 3 parts of perfluoro-n-propyl vinyl ether, 2 parts of 4-hydroxybutyl vinyl ether, 1 part of vinyltrimethoxysilane, 0.5 parts of azobisisobutyronitrile, 82820 parts of epoxy resin , 20 parts of ethanol, 5 parts of ethylene glycol butyl ether;

[0028] The preparation method of the water-soluble resin is as follows: in a four-necked flask equipped with a thermometer, a stirrer and a condenser tube, add ethanol and ethylene glycol butyl ether of corresponding weight parts to mix, heat in an oil bath, and the temperature rises to 50 ℃ and the temperature is stable,...

Embodiment 2

[0033]Wherein, the water-soluble resin is made from the following raw materials in parts by weight: 15 parts of methyl methacrylate, 10 parts of styrene, 10 parts of acrylonitrile, 10 parts of hydroxyethyl methacrylate, 10 parts of butyl acrylate , 20 parts of acrylic acid, 5 parts of perfluoro-n-propyl vinyl ether, 5 parts of 4-hydroxybutyl vinyl ether, 2 parts of vinyltrimethoxysilane, 2 parts of azobisisobutyronitrile, 82825 parts of epoxy resin , 25 parts of ethanol, 6 parts of ethylene glycol butyl ether.

[0034] A kind of preferred preparation method of described water-soluble resin is: in the four-neck flask that thermometer, stirrer, condenser tube are housed, add the ethanol of corresponding weight portion and ethylene glycol butyl ether and mix, heat in oil bath, temperature After the temperature rises to 60°C and the temperature is stable, add epoxy resin 828 and continue to heat up. The heating rate of the oil bath is 5°C / 5min. Stir while raising the temperature u...

Embodiment 3

[0040] An environment-friendly glass baking varnish, the glass baking varnish is composed of the following raw materials in parts by weight:

[0041] Wherein, the water-soluble resin is prepared from the following raw materials in parts by weight: 12 parts of methyl methacrylate, 8 parts of styrene, 7 parts of acrylonitrile, 6 parts of hydroxyethyl methacrylate, and 9 parts of butyl acrylate , 17 parts of acrylic acid, 4 parts of perfluoro-n-propyl vinyl ether, 3 parts of 4-hydroxybutyl vinyl ether, 1.4 parts of vinyltrimethoxysilane, 1.2 parts of azobisisobutyronitrile, 82823 parts of epoxy resin , 22 parts of ethanol, 5.6 parts of ethylene glycol butyl ether.

[0042] A kind of preferred preparation method of described water-soluble resin is: in the four-neck flask that thermometer, stirrer, condenser tube are housed, add the ethanol of corresponding weight portion and ethylene glycol butyl ether and mix, heat in oil bath, temperature After the temperature rises to 55°C and...

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PUM

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Abstract

The invention discloses an environment-friendly glass paint, made from waterborne resin, modified amino resin, a coupling agent, a leveling agent, water, an acid catalyst, a film-forming aid, a pigment, and a defoaming agent. The environment-friendly glass paint is made by: mixing part of the defoaming agent by weight and part of the deionized water by weight, adding the water-soluble resin, the pigment and the coupling agent, grinding with a grinder until fineness reaches 20 mu m and below, adding the amino resin, the film-forming aid, the acid catalyst, the leveling agent, the rest of the deionized water and the rest of the defoaming agent, dispersing with a high-speed disperser for 20-30 min, adding the balance of the water by weight, and filtering with 200-mesh filter cloth. By modifying traditional water-soluble resin and modified amino resin, the glass paint is prepared, which has good ethanol resistance, good recoating property, high adhesion, good toughness and high hardness.

Description

technical field [0001] The invention belongs to the technical field of chemical coatings and relates to a baking varnish, in particular to an environment-friendly glass baking varnish. Background technique [0002] With the continuous improvement of people's living standards, home decoration is more and more popular. People's requirements for decoration are getting higher and higher, and the coating protection and decoration of glass and glass products have a wide range of demands in industrial and civil fields, such as wine bottles, etc., which require protective coatings and decorative coatings. With the continuous advancement of the concept of low-carbon environmental protection in the world, environmentally friendly water-based glass wine bottle baking varnish has become an inevitable trend of development. [0003] Water-based glass wine bottle baking paint uses water as the dispersion medium, completely eliminates the harm of organic solvents to the human body, and has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/02C09D163/00C09D161/32C08F283/10C08F220/06
Inventor 吴春燕
Owner 吴春燕
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