Antibacterial mildew-resistant powder coating, and preparation method thereof

A powder coating and anti-mildew technology, applied in the field of coatings, can solve the problems of contamination of the coating film, short time, difficulty in adjusting the gloss, etc., and achieve the effects of simple preparation method, industrialization, and controllable gloss.

Inactive Publication Date: 2014-04-30
张家港市双林制墨涂装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the expansion of the application field of powder coatings, powder coatings are often used in environments with humid climates and moderate temperatures. The surface of the coating film may be attacked by harmful microorganisms such as bacteria and molds, resulting in staining, discoloration, chalking, and If the harmful bacteria come into

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 15 parts of epoxy-based acrylic resin, 3 parts of triglycidyl isocyanurate, 5 parts of bisphenol A epoxy resin, 50 parts of hydroxyl polyester resin, 10 parts of hydroxyl acrylic resin, 45 parts of filler, 0.4 parts of leveling agent parts, 0.4 parts of degassing agent, 35-40nm TiO 2 3 copies;

Embodiment 2

[0014] 23 parts of epoxy-based acrylic resin, 4 parts of triglycidyl isocyanurate, 8 parts of bisphenol A epoxy resin, 55 parts of hydroxyl polyester resin, 7 parts of hydroxyl acrylic resin, 48 parts of filler, 0.3 parts of leveling agent Parts, 0.3 parts of degassing agent, 40-45nm ZnO4 parts.

[0015] Mix the nano-inorganic antifungal agent with epoxy-based acrylic resin, triglycidyl isocyanurate, bisphenol-A epoxy resin, hydroxyl polyester resin, hydroxyl acrylic resin, filler, leveling agent, and degassing agent. , melted and mixed through a twin-screw extruder, compressed into tablets, cooled, crushed, and then placed in a grinder, crushed to a particle size of less than 30 μm, to obtain an antibacterial and antimildew powder coating.

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PUM

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Abstract

The invention discloses an antibacterial mildew-resistant powder coating. The antibacterial mildew-resistant powder coating comprises following ingredients, by mass, 15 to 25 parts of epoxy acrylic resin, 2 to 4 parts of triglycidyl isocyanurate, 5 to 8 parts of bisphenol A epoxy resin, 45 to 60 parts of hydroxy polyester resin, 5 to 10 parts of hydroxy acrylic resin, 40 to 50 parts of a filling material, 0.3 to 0.5 part of a levelling agent, 0.2 to 0.6 part of a degassing agent, and 1 to 5 parts of a nano inorganic mildew inhibitor. The raw materials of the antibacterial mildew-resistant powder coating are easily available, and are cheap; a preparation method of the antibacterial mildew-resistant powder coating is simple; scratch resistance of the antibacterial mildew-resistant powder coating is excellent; glossiness is controllable, and is less than 5%; weather resistance is excellent; nano TiO2, nano ZnO, and nano SiO2 are added, and long-lasting antibacterial performance is obtained because of adding of the inorganic materials; and the antibacterial mildew-resistant powder coating is nontoxic, is friendly to the environment, and is suitable for industrialization.

Description

technical field [0001] The invention relates to an antibacterial and antimildew powder coating and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] With the continuous improvement of environmental protection awareness and the gradual improvement of environmental regulations, the coating industry has become more and more strict on the content of volatile organic compounds (VOC) and harmful substances (HMPS), and the trend of water-based and powdered coatings is becoming more and more obvious. As an environmentally friendly powder coating, its application scope is expanding day by day, from traditional metal substrate fields such as home appliances, building materials, transportation equipment, machine shells, etc. to non-metal substrate fields, such as plastic products, glass products, medium density fiberboard Wait. With the expansion of the application field of powder coatings, powder coatings are often used in envi...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D133/00C09D163/02C09D5/14C09D5/03
Inventor 邹林香
Owner 张家港市双林制墨涂装有限公司
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