A pu quick-drying electrostatic spray paint

An electrostatic spraying and topcoating technology, applied in coatings, polyester coatings, etc., can solve the problems of low gloss, work efficiency and paint quality cannot be further improved, long drying time, etc., to achieve good gloss, shorten drying time, The effect of speeding up drying

Active Publication Date: 2016-02-10
HUIZHOU CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing electrostatic spray paints often take a long time to dry and have low gloss, so that the work efficiency and paint quality cannot be further improved

Method used

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  • A pu quick-drying electrostatic spray paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] The present embodiment provides PU fast-drying electrostatic spraying paint and it comprises primer, topcoat, curing agent and electrostatic diluent and is made up of four parts, wherein:

[0063] Primer, calculated according to mass percentage, is as follows:

[0064] 30000~40000Pa·s / 25℃ alkyd resin 4%; 90000~100000Pa·s / 25℃ alkyd resin 50%. SD-1 organic bentonite 3%; zinc stearate pulp 5%; 1 / 2 second nitrocellulose pulp 16%; 800 mesh talc powder 15%; 201P polyamide wax anti-settling pulp 1%; BYK141 defoamer 0.2%; BYK333 leveling agent 0.1%; methyl ketone 0.2%; ethyl acetate 4%; butyl acetate 1.5%.

[0065] Topcoat, calculated according to mass percentage, is as follows:

[0066] 30000~40000Pa s / 25℃ alkyd resin 4%; 90000~100000Pa s / 25℃ alkyd resin 58%; 40000~50000Pa s / 25℃ bright resin 12%; 1 / 2 second nitrocellulose Slurry 18%; 4200-10 polyamide wax anti-settling slurry 0.6%; BYK141 defoamer 0.4%; DEGO450 leveling agent 0.5%; matting powder 0.2%; EFKA4010 dispersant 0.3...

Embodiment 2

[0072] The present embodiment provides PU fast-drying electrostatic spraying paint and it comprises primer, topcoat, curing agent and electrostatic diluent and is made up of four parts, wherein:

[0073] Primer, calculated according to mass percentage, is as follows:

[0074] 30000~40000Pa·s / 25℃ alkyd resin 3%; 90000~100000Pa·s / 25℃ alkyd resin 55%. SD-1 organic bentonite 3%; zinc stearate pulp 4%; 1 / 2 second nitrocellulose pulp 10%; 800 mesh talc powder 19%; 4200-10 polyamide wax anti-settling pulp 0.5%; defoamer 0.1% ; DEGO450 leveling agent 0.1%; methyl ketone 0.1%; ethyl acetate 5.2%.

[0075] Topcoat, calculated according to mass percentage, is as follows:

[0076] 30000-40000Pa s / 25℃ alkyd resin 3%; 90000-100000Pa s / 25℃ alkyd resin 60%; 40000-50000Pa s / 25℃ bright resin 10%; 1 / 2 second nitrocellulose Pulp 10%; 4200-10 polyamide wax anti-settling slurry 0.5%; BYK141 defoamer 0.3%; BYK333 leveling agent 0.5%; matting powder 0.2%; EFKA4010 dispersant 0.1%; ethyl acetate 5....

Embodiment 3

[0082] The present embodiment provides PU fast-drying electrostatic spraying paint and it comprises primer, topcoat, curing agent and electrostatic diluent and is made up of four parts, wherein:

[0083] Primer, calculated according to mass percentage, is as follows:

[0084] 30000~40000Pa·s / 25℃ alkyd resin 5%; 90000~100000Pa·s / 25℃ alkyd resin 50%. SD-1 organic bentonite 5%; zinc stearate pulp 4%; 1 / 2 second nitrocellulose pulp 13%; 800 mesh talc powder 15%; 201P polyamide wax anti-settling pulp 0.5%; BYK141 defoamer 0.2%; DEGO450 leveling agent 0.2%; methyl ketone 0.1%; butyl acetate 7%.

[0085] Topcoat, calculated according to mass percentage, is as follows:

[0086] 30000-40000Pa s / 25℃ alkyd resin 5%; 90000-100000Pa s / 25℃ alkyd resin 55%; 40000-50000Pa s / 25℃ bright resin 15%; 1 / 2 second nitrocellulose Slurry 15%; polyamide wax anti-settling slurry 1%; BYK141 defoamer 0.4%; DEGO450 leveling agent 0.6%; matting powder 0.4%; EFKA4010 dispersant 0.1%; solvent 7.5%.

[0087...

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Abstract

The invention relates to chemical paint and particularly relates to PU (Polyurethane) quick-drying electrostatic spraying paint. The PU quick-drying electrostatic spraying paint comprises primer, finish, a curing agent and an electrostatic thinner, wherein the primer consists of the following components in percent by weight: 50%-60% of alkyd resin, 3%-5% of organic bentonite, 4%-6% of zinc stearate slurry,10%-20% of 1 / 2 second nitrocotton slurry, 15%-25% of talcum powder, 0.5%-1% of polyamide wax anti-settling slurry, 0.3%-1% of functional aid and 5%-7% of a solvent, wherein the alkyd resin is a mixture composed of alkyd resin with the viscosity range of 30000 Pa.s / 25 DEG C -40000 Pa.s / 25 DEG C and alkyd resin with the viscosity range of 90000 Pa.s / 25 DEG C -100000 Pa.s / 25 DEG C. The invention provides the PU quick-drying electrostatic spraying paint which is quick in drying speed and high in gloss.

Description

technical field [0001] The invention relates to chemical coatings, in particular to a PU fast-drying electrostatic spray paint. Background technique [0002] With the continuous development of industrial technology and the continuous improvement of people's spiritual civilization, people's requirements for the appearance of products are getting higher and higher. The new technology developed rapidly at home and abroad has been widely used in surface treatment of various industries. It can not only save paint, compared with traditional spray paint. And it can improve the purification level of the environment, and can make the spraying process mechanized and continuous, reduce the defective rate of spraying, and obtain excellent coating effect. Electrostatic spray painting technology greatly increases labor productivity and improves working conditions, thereby obtaining considerable social and economic benefits. [0003] The electrostatic nozzle is a high-voltage electrosta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/08C09D5/46C09D7/12
Inventor 万天军练世斌戴超
Owner HUIZHOU CHANGRUNFA PAINT
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