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Scratch-resistant outdoor powder paint

A powder coating, scratch-resistant technology, applied in powder coatings, reflective/signal coatings, polyurea/polyurethane coatings, etc., can solve problems such as limited energy-saving effects, and achieve difficult precipitation, transparent and smooth coatings, and stable coating properties Effect

Active Publication Date: 2017-02-01
广东捷宇粉体涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing transparent heat insulation technologies mostly use ITO and ATO as shielding materials, but these two materials can only shield long-wave near-infrared, and have no obvious barrier to short-wave near-infrared and ultraviolet rays, so the energy-saving effect is limited

Method used

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  • Scratch-resistant outdoor powder paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A scratch-resistant outdoor powder coating, composed of the following raw materials in parts by weight: 5 parts of modified sericite, 10 parts of silicon dioxide, 8 parts of modified nano-tungsten tin oxide, 5 parts of barium sulfate, 7 parts of titanium dioxide, fat 1 part of amide ethanolamine, 1 part of silicone, 0.05 part of polydimethylsiloxane, 1 part of polytetrafluoroethylene wax, 30 parts of water-based polyurethane resin and 30 parts of silicone resin.

[0030] The preparation method of described modified sericite, its concrete steps are as follows:

[0031] (1) In terms of mass ratio, sericite: polyvinylpyrrolidone = 1:2, weigh sericite and polyvinylpyrrolidone (PVP) into a three-necked flask;

[0032] (2) Add ethanol and deionized water to the flask in step (1), disperse evenly by ultrasonic, add ammonia water while stirring, and continue stirring for 30 minutes;

[0033] (3) Add tetraethyl orthosilicate (TEOS) to the mixture in step (2), and stir at room t...

Embodiment 2

[0042] A scratch-resistant outdoor powder coating, composed of the following raw materials in parts by weight: 6 parts of modified sericite, 10 parts of silicon dioxide, 10 parts of modified nano-tungsten tin oxide, 5 parts of barium sulfate, 7 parts of titanium dioxide, fat 2 parts of diethylethanolamine, 2 parts of silicone, 0.07 parts of polydimethylsiloxane, 1 part of polytetrafluoroethylene wax, 30 parts of water-based polyurethane resin and 30 parts of silicone resin.

[0043] The preparation method of described modified sericite, its concrete steps are as follows:

[0044] (1) In terms of mass ratio, sericite: polyvinylpyrrolidone = 1:2, weigh sericite and polyvinylpyrrolidone (PVP) into a three-necked flask;

[0045] (2) Add ethanol and deionized water to the flask in step (1), disperse evenly by ultrasonic, add ammonia water while stirring, and continue stirring for 30 minutes;

[0046] (3) Add tetraethyl orthosilicate (TEOS) to the mixture in step (2), and stir at r...

Embodiment 3

[0055] A scratch-resistant outdoor powder coating, composed of the following raw materials in parts by weight: 8 parts of modified sericite, 10 parts of silicon dioxide, 15 parts of modified nano-tungsten tin oxide, 5 parts of barium sulfate, 7 parts of titanium dioxide, fat Diethanolamine 3 parts, silicone 3 parts, polydimethylsiloxane 1 part, polytetrafluoroethylene wax 1 part, water-based polyurethane resin 30 parts and silicone resin 30 parts.

[0056] The preparation method of described modified sericite, its concrete steps are as follows:

[0057] (1) In terms of mass ratio, sericite: polyvinylpyrrolidone = 1:2, weigh sericite and polyvinylpyrrolidone (PVP) into a three-necked flask;

[0058] (2) Add ethanol and deionized water to the flask in step (1), disperse evenly by ultrasonic, add ammonia water while stirring, and continue stirring for 30 minutes;

[0059] (3) Add tetraethyl orthosilicate (TEOS) to the mixture in step (2), and stir at room temperature for 24 hour...

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Abstract

The invention discloses a scratch-resistant outdoor powder paint which is composed of the following raw materials in parts by weight: 5-8 parts of modified sericite, 10 parts of silicon dioxide, 8-15 parts of modified nano tin tungsten oxide, 5 parts of barium sulfate, 7 parts of titanium dioxide, 1-3 parts of dispersing aid, 1-3 parts of leveling agent, 0.05-1 part of defoaming agent, 1 part of polytetrafluoroethylene wax, 30 parts of water-based polyurethane resin and 30 parts of organic silicon resin. The paint is suitable for heat insulation on the surfaces of building glass, vehicle glass and cement, can shield ultraviolet and infrared light, and has the advantages of favorable heat-insulating property, favorable scratch resistance, stable coating performance and simple preparation technique.

Description

technical field [0001] The invention relates to a scratch-resistant outdoor powder coating, which belongs to the field of chemical coatings. Background technique [0002] Among all kinds of energy consumption, building heating and air conditioning consume a considerable proportion, and doors and windows are important channels for sunlight to enter the room. At present, the main energy-saving glass used is low-emissivity glass (Low-E) and solar control coated glass. The former has good photothermal performance, and the main function of the latter is to absorb and reflect solar radiation energy, but its visible light transmittance is low. At present, low-E coated glass on the market is mainly produced by magnetron sputtering and float online chemical vapor deposition (CVD), but the process is complex, requires high equipment, and is expensive, making it difficult to market. [0003] Because the energy of ultraviolet rays can cause skin aging and even easily lead to skin canc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D183/04C09D5/03C09D5/33C09D7/12
CPCC08K2201/011C08L2201/08C08L2205/035C09D5/004C09D5/033C09D175/04C09D183/04C08L83/04C08K13/06C08K9/06C08K9/10C08K2003/2258C08K3/34C08K3/36C08L75/04
Inventor 苏捷黄文黄溪福邹良木林琳艺杨杰龙
Owner 广东捷宇粉体涂料有限公司
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