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Low-temperature baking and drying high-salt-spray-resistant water-based electroplating gloss oil

A low-temperature baking, salt spray-resistant technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of polluting the environment, difficult to dry paint, difficult to adhere to its surface, etc., to achieve the effect of high strength and excellent adhesion

Inactive Publication Date: 2018-12-28
惠州市长冠涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the varnish sprayed on this kind of hardware structure industrial products has the following difficulties: first, the surface of the hardware is mostly a metal plated surface, and conventional paint is difficult to adhere to the surface; second, the structure of the hardware is mostly a special-shaped structure with many corners. , the coating is difficult to dry, in order to speed up the drying, more volatile organic solvents are used, which has the environmental protection problem of polluting the environment; the third is that this kind of hardware industrial products are often touched by hands in daily life, and exposed to the air environment. The outer coating must be resistant to salt spray corrosion

Method used

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  • Low-temperature baking and drying high-salt-spray-resistant water-based electroplating gloss oil
  • Low-temperature baking and drying high-salt-spray-resistant water-based electroplating gloss oil
  • Low-temperature baking and drying high-salt-spray-resistant water-based electroplating gloss oil

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Components and proportioning (parts by weight) are as follows:

[0023] Water-based acrylic resin 65, water-based amino resin 15, co-solvent 8, defoamer 0.2, leveling agent 0.3, water-based pigment 5, deionized water 6.5.

[0024] Preparation steps:

[0025] a. Accurately weigh each component according to the formula;

[0026] b. Add water-based acrylic resin, water-based amino resin, co-solvent, defoamer and 50% deionized water in turn in A stirred tank, mix and stir evenly, and obtain A component;

[0027] c. Add leveling agent, water-based pigment and the remaining amount of deionized water into the B stirring tank, mix and stir evenly, and obtain B component;

[0028] d. Add component B into the stirring tank of A, stir and mix with component A evenly, use amine neutralizer to adjust the pH value of the mixture to 7.0-7.5, and prepare water-based electroplating varnish.

Embodiment 2

[0030] Water-based acrylic resin 60, water-based amino resin 15, co-solvent 8, defoamer 0.2, leveling agent 0.4, water-based pigment 6, deionized water 10.4.

[0031] Preparation steps:

[0032] a. Accurately weigh each component according to the formula;

[0033] b. Add water-based acrylic resin, water-based amino resin, co-solvent, defoamer and 50% deionized water in turn in A stirred tank, mix and stir evenly, and obtain A component;

[0034] c. Add leveling agent, water-based pigment and the remaining amount of deionized water into the B stirring tank, mix and stir evenly, and obtain B component;

[0035] d. Add component B into the stirring tank of A, stir and mix with component A evenly, use amine neutralizer to adjust the pH value of the mixture to 7.0-7.5, and prepare water-based electroplating varnish.

Embodiment 3

[0037] Water-based acrylic resin 56, water-based amino resin 10, co-solvent 8, defoamer 0.2, leveling agent 0.4, water-based pigment 6, deionized water 19.4.

[0038] Preparation steps:

[0039] a. Accurately weigh each component according to the formula;

[0040] b. Add water-based acrylic resin, water-based amino resin, co-solvent, defoamer and 50% deionized water in turn in A stirred tank, mix and stir evenly, and obtain A component;

[0041] c. Add leveling agent, water-based pigment and the remaining amount of deionized water into the B stirring tank, mix and stir evenly, and obtain B component;

[0042] d. Add component B into the stirring tank of A, stir and mix with component A evenly, use amine neutralizer to adjust the pH value of the mixture to 7.0-7.5, and prepare water-based electroplating varnish.

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Abstract

The invention discloses a low-temperature baking and drying high-salt-spray-resistant water-based electroplating gloss oil which comprises, by weight, 50-70 parts of waterborne acrylic resin, 10-20 parts of water-based amino resin, 5-10 parts of cosolvent, 0.1-0.5 part of antifoaming agent, 0.5-1 part of leveling agent, 5-10 parts of aqueous pigment and 10-20 parts of deionized water. The water-based amino resin capable of performing self-reinforced curing and emulsion-type waterborne acrylic resin prepolymer are taken as reaction matrix, the deionized water is taken as a displacement solvent,and then combined with various water-based additives, a formulation system can be quickly cured in a low temperature environment (120-150 DEG C); the possibility of volatilization of the low molecular weight resin prepolymer during reaction is extremely low, only water volatilization is performed, and the environmental requirements of low VOC are met. The coating formed by smearing has the advantages of excellent adhesion, high strength and resistance to salt spray corrosion.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based electroplating varnish which is baked and dried at a low temperature and has high resistance to salt spray. Background technique [0002] Industrial products with hardware structures such as sliders, signs, belt buckles, locks, lock plates, door handles, handles, hinges, buttons, wine bottle caps, floor drains, floor plugs, lamps, accessories, etc., need to be sprayed with a layer on the surface Varnish for protection or decoration. However, the varnish sprayed on this kind of hardware structure industrial products has the following difficulties: first, the surface of the hardware is mostly a metal plated surface, and conventional paint is difficult to adhere to the surface; second, the structure of the hardware is mostly a special-shaped structure with many corners. , the coating is difficult to dry, in order to speed up the drying, more volatile orga...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D161/20C09D5/08C09D7/20
CPCC09D133/04C09D5/08C09D7/20C08L61/20
Inventor 刘波
Owner 惠州市长冠涂料有限公司
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