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Environment-friendly acrylic acid type powder coating

An acrylic powder coating technology, applied in powder coatings, anti-corrosion coatings, coatings, etc., can solve the problems of poor weather resistance and easy corrosion, and achieve the effect of strong corrosion resistance

Inactive Publication Date: 2016-08-31
张莘蔓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an environmentally friendly acrylic powder coating to solve the problems of poor weather resistance and easy corrosion of the existing vertical silver powder coating

Method used

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  • Environment-friendly acrylic acid type powder coating
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Examples

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preparation example Construction

[0023] The preparation method of described environment-friendly acrylic powder coating, comprises the following steps:

[0024] S1: Put matrix resin, pigments and fillers, curing agent, degassing agent, dispersing agent, drooping agent, toughening agent, brightening agent, wetting agent, preservative, antioxidant, light stabilizer into the mixing tank Mix for 4-6min to obtain a homogeneous mixture;

[0025] S2: Melt and extrude the homogeneous mixture prepared in step S1 through an extruder at 110-114° C., and pass through a tablet crushing machine to tablet, and obtain a tablet after cooling;

[0026] S3: cutting the flakes prepared in step S2 with a cutter to obtain pellets;

[0027] S4: crush the pellets prepared in step S3 and pass through a 150-200 mesh sieve to obtain an environment-friendly acrylic powder coating.

Embodiment 1

[0029] An environment-friendly acrylic powder coating, which includes the following raw materials in units of weight: 90 parts of matrix resin, 42 parts of pigment and filler, 15 parts of curing agent, 5 parts of degassing agent, 1.5 parts of dispersant, 0.6 part of drooping agent, 0.5 parts of toughening agent, 0.4 parts of brightening agent, 0.3 parts of wetting agent, 0.3 parts of preservative, 0.2 parts of antioxidant, 0.2 part of light stabilizer; the matrix resin is acrylic resin; the pigment and filler are metal pigments and body Pigment; the metal pigment is silver powder; the extender pigment is quartz powder; the curing agent is epoxy resin; the degassing agent is stearic acid; the dispersant is dispersant nc; The agent is vertical grain agent HM-2; the toughening agent is methyl methacrylate-butadiene-styrene terpolymer; the brightening agent is brightening agent LD-608; the wetting agent is wetting agent Wet agent CF-10; the preservative is preservative N-369; the ...

Embodiment 2

[0036] An environment-friendly acrylic powder coating, including the following raw materials by weight: 85 parts of matrix resin, 38 parts of pigments and fillers, 12 parts of curing agent, 4 parts of degassing agent, 1 part of dispersant, 0.4 parts of drooping agent, 0.3 parts of toughening agent, 0.3 parts of brightening agent, 0.2 parts of wetting agent, 0.2 parts of preservative, 0.2 parts of antioxidant, 0.2 part of light stabilizer; the matrix resin is acrylic resin; the pigment and filler are metal pigments and body Pigment; the metal pigment is silver powder; the extender pigment is quartz powder; the curing agent is epoxy resin; the degassing agent is stearic acid; the dispersant is dispersant nc; The agent is vertical grain agent HM-2; the toughening agent is methyl methacrylate-butadiene-styrene terpolymer; the brightening agent is brightening agent LD-608; the wetting agent is wetting agent Wet agent CF-10; the preservative is preservative N-369; the antioxidant is...

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Abstract

The invention discloses an environment-friendly acrylic acid type powder coating. The environment-friendly acrylic acid type powder coating is prepared from the following raw materials in parts by weight: 85-95 parts of matrix resin, 38-48 parts of pigment filler, 12-16 parts of a curing agent, 4-5 parts of a degassing agent, 1-2 parts of a dispersing agent, 0.4-0.8 part of a hammer tone agent, 0.3-0.6 part of a toughening agent, 0.3-0.5 part of a gloss enhancer, 0.2-0.4 part of a wetting agent, 0.2-0.4 part of a preservative, 0.2-0.3 part of an antioxidant and 0.2-0.3 part of a light stabilizer; the environment-friendly acrylic acid type powder coating is obtained by mixing the raw materials, melting, tabletting, granulating and crushing. The environment-friendly acrylic acid type powder coating has weather fastness, can keep out the direct irradiation of ultraviolet ray for silver powder, has higher corrosion resistance, and is not pulverized and does not turn black after being placed under the sun for a long time, thus being widely applied to surface coating of outdoor metal such as guardrails and door industry.

Description

【Technical field】 [0001] The invention belongs to the technical field of paint preparation, and in particular relates to an environment-friendly acrylic powder paint. 【Background technique】 [0002] Powder coating is a new type of environmentally friendly material derived mainly from petrochemical raw materials. It is mainly composed of low molecular weight resins, additives, fillers, etc., and is prepared, sprayed, and baked under certain conditions to form a certain appearance and gloss. , color, and a coating film that acts as an anti-corrosion and decorative effect on the surface of the object. Powder coatings are used in practical applications, such as outdoor gates, balcony guardrails, etc. After a period of time, the coating film will change to a certain extent, such as loss of gloss, darkening or cold white, rust spots, cracks, etc. on the surface of the coating, especially the vertical silver powder coating, because its main pigment is aluminum powder, And aluminu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/03C09D5/10C09D7/12
CPCC09D133/00C09D5/033C09D5/10
Inventor 张莘蔓
Owner 张莘蔓
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