High abrasion-resistant UV (ultraviolet) white primer for electrostatic spraying

An electrostatic spraying, high wear-resistant technology, applied in conductive coatings, coatings, fire-resistant coatings, etc., can solve the problems of unguaranteed wear resistance, high viscosity, and poor anti-sag performance of paint films, and achieve improved light curing Performance, improvement of overall performance, and effect of improving adhesion

Inactive Publication Date: 2017-06-13
TIANCHANG JINLING ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the UV electrostatic spraying primers are transparent primers at present. After adding pigments, the viscosity is high

Method used

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  • High abrasion-resistant UV (ultraviolet) white primer for electrostatic spraying
  • High abrasion-resistant UV (ultraviolet) white primer for electrostatic spraying

Examples

Experimental program
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Effect test

Embodiment 1

[0022] A high wear-resistant UV white primer for electrostatic spraying, comprising the following raw materials in parts by weight: 40 parts of epoxy acrylic resin, 35 parts of hydroxyl acrylic resin, 10 parts of thermoplastic acrylic resin, 30 parts of reactive diluent, modified graphite 5 parts of alkene, 6 parts of nano-silica, 1 part of nano-titanium dioxide, 5 parts of heavy calcium carbonate, 5 parts of montmorillonite, 20 parts of white pigment, 2 parts of zinc stearate, 6 parts of sodium hydroxymethyl cellulose, 1 part of polyamide wax, 2 parts of leveling agent, 0.1 part of defoamer, 6 parts of photoinitiator, 5 parts of organic solvent;

[0023] Wherein, the epoxy acrylic resin is a bisphenol A type epoxy acrylic resin, and the number average molecular weight is 500; Obtained by ester copolymerization, the number average molecular weight of the hydroxy acrylic resin is 10000, and the hydroxyl value is 80mgKOH / g; the glass transition temperature of the thermoplastic a...

Embodiment 2

[0027] A high wear-resistant UV white primer for electrostatic spraying, comprising the following raw materials in parts by weight: 70 parts of epoxy acrylic resin, 15 parts of hydroxyl acrylic resin, 20 parts of thermoplastic acrylic resin, 15 parts of reactive diluent, modified graphite 25 parts of alkenes, 2 parts of nano-silica, 5 parts of nano-titanium dioxide, 1 part of heavy calcium carbonate, 15 parts of montmorillonite, 10 parts of white pigment, 5 parts of zinc stearate, 2 parts of sodium hydroxymethyl cellulose, 5 parts of polyamide wax, 0.5 parts of leveling agent, 0.5 parts of defoamer, 2 parts of photoinitiator, 15 parts of organic solvent;

[0028]Wherein, the epoxy acrylic resin is a bisphenol A type epoxy acrylic resin, and the number average molecular weight is 1000; The number-average molecular weight of the hydroxyl acrylic resin is 5000, and the hydroxyl value is 130mgKOH / g; the glass transition temperature of the thermoplastic acrylic resin is above 80°C;...

Embodiment 3

[0032] A high wear-resistant UV white primer for electrostatic spraying, comprising the following raw materials in parts by weight: 50 parts of epoxy acrylic resin, 25 parts of hydroxyl acrylic resin, 15 parts of thermoplastic acrylic resin, 20 parts of reactive diluent, modified graphite 15 parts of alkenes, 4 parts of nano silicon dioxide, 3 parts of nano titanium dioxide, 3 parts of heavy calcium carbonate, 10 parts of montmorillonite, 15 parts of white pigment, 3 parts of zinc stearate, 4 parts of sodium hydroxymethyl cellulose, 3 parts of polyamide wax, 1 part of leveling agent, 0.3 parts of defoamer, 4 parts of photoinitiator, 10 parts of organic solvent;

[0033] Wherein, the epoxy acrylic resin is bisphenol A type epoxy acrylic resin, the number average molecular weight is 800; It is obtained by copolymerization of ethylene, acrylonitrile and hydroxypropyl acrylate, the number average molecular weight of the hydroxy acrylic resin is 7000, and the hydroxyl value is 100m...

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Abstract

The invention relates to a high abrasion-resistant UV (ultraviolet) white primer for electrostatic spraying. The high abrasion-resistant UV white primer is prepared from the following raw materials in parts by weight: 40 to 70 parts of epoxy acrylic resin, 15 to 35 parts of hydroxy acrylic resin, 10 to 20 parts of thermoplastic acrylic resin, 15 to 30 parts of tripropylene glycol diacrylate, 5 to 25 parts of modified graphene, 2 to 6 parts of nanometer silicon dioxide, 1 to 5 parts of nanometer titanium dioxide, 1 to 5 parts of heavy calcium carbonate, 5 to 15 parts of montmorillonite, 10 to 20 parts of white pigment, 2 to 5 parts of zinc stearate, 2 to 6 parts of carboxymethyl cellulose sodium, 1 to 5 parts of polyamide wax, 0.5 to 2 parts of flatting agent, 0.1 to 0.5 part of defoaming agent, 2 to 6 parts of photoinitiator, and 5 to 15 parts of organic solvent. The high abrasion-resistant UV white primer for electrostatic spraying has the advantage that at the premise of ensuring the good electrostatic spraying effect, the anti-sagging property of the primer and the abrasion-resistant property of the primer film are greatly improved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a high wear-resistant UV white primer for electrostatic spraying. Background technique [0002] Ultraviolet light-curable coating (UV paint) is automatically rolled and shower-coated on the surface of the furniture board by machinery and equipment. Under the irradiation of ultraviolet light (wavelength 320-390nm), the initiator is decomposed, free radicals are generated, and the resin reaction is triggered. Curing into film, its advantages include: stable color, long-lasting and always new, effectively solving the problem of fading and color difference of the door panel; the mirror surface of the door panel is better, and the paint film is full without orange peel; UV paint is currently the most environmentally friendly baking paint in the world One of the door panels; the hardness of the door panel is twice that of other painted door panels, scratch-resistant, acid and alkali r...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D133/00C09D5/24C09D7/12
CPCC09D163/10C08K2201/011C08L2201/08C08L2205/025C08L2205/035C08L2312/00C09D5/18C09D5/24C09D7/61C09D7/62C09D7/63C09D7/65C08L33/00C08L1/284C08L77/00C08K13/06C08K3/04C08K3/36C08K2003/265C08K3/346
Inventor 茆文斌
Owner TIANCHANG JINLING ELECTRONICS
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