Heatproof powdery coating used for external surfaces of microwave oven bodies, and preparation method thereof

A powder coating and exterior surface technology, applied in powder coatings, anti-corrosion coatings, fire-retardant coatings, etc., can solve the problems of high cost promotion and use, and achieve high strength, outstanding weather resistance, and good weather resistance.

Inactive Publication Date: 2016-11-02
合肥燕美新材料科技有限公司
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Problems solved by technology

Although the existing high-temperature-resistant powder coatings are more environmentally friendly than oil-based coatings, thei

Method used

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  • Heatproof powdery coating used for external surfaces of microwave oven bodies, and preparation method thereof

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Embodiment Construction

[0023] A heat-resistant powder coating for the outer surface of a microwave oven, made from the following components by weight (kg): silicone resin 13, polyester resin 45, epoxy resin 45, dicyandiamide 2, copper acetylacetonate 1, Corundum powder 7, dibutyltin dilaurate 0.2, coupling agent KH560 3, toluene diisocyanate 1, titanium dioxide 18, urotropine 1, titanium carbide 1.5, benzoin 0.3, leveling agent 0.4, brightener 0.3, nitriding Aluminum powder 9, carbon black 8, modified anion powder 0.3,

[0024] Among them, the negative ion powder is composed of the following components in parts by mass: strange ice stone 14, coral fossil 9, tourmaline 13, opal 40, medical stone 3, zeolite 3, hokutolite 3, jade powder 3, diatomaceous earth 18, three Ferric oxide 3 and aluminum oxide 3 are weighed according to the proportion of each component raw material, placed in a muffle furnace, heated to 500°C, kept for 2 hours to activate, cooled to room temperature and added to a milling equip...

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Abstract

The invention provides a heatproof powdery coating used for external surfaces of microwave oven bodies. The heatproof powdery coating is prepared from, by weight, 10-15 parts of organosilicone resin, 40-50 parts of polyester resin, 40-50 parts of epoxy resin, 1-2 parts of dicyandiamide, 1-1.5 parts of copper acetylacetonate, 5-8 parts of alundum powder, 0.1-0.3 parts of dibutyltin dilaurate, 2-3 parts of a coupling agent KH560, 1-2 parts of toluene diisocyanate, 15-20 parts of titanium dioxide, 1-2 parts of urotropine, 1-2 parts of zirconium silicate powder, 0.2-0.5 parts of benzoin, 0.3-0.5 parts of a leveling agent, 0.2-0.4 parts of a brightener, 8-10 parts of aluminum nitride powder, 8-10 parts of carbon black and 0.2-0.4 parts of modified negative ion powder. A film formed by coating the powdery coating has the advantages of high temperature resistance, corrosion resistance, good wear resistance, good weatherability, low solidification temperature, short solidification time, good levelability and strong adhesion, can purify air, and can be used on induction cookers, microwave ovens, ovens, radiators and other household electrical appliance products.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a heat-resistant powder coating for the external surface of a microwave oven and a preparation method thereof. Background technique [0002] With the advancement of modern science and technology and the development of modern industry, the problem of environmental pollution has become increasingly prominent, which poses a great threat to human beings themselves and the environment on which human beings depend. Traditional coatings will produce a large amount of toxic and harmful waste gas and waste water during the manufacturing process or during the construction process, which will pollute the environment, air and water resources, especially solvent-based coatings, which will release Volatile organic compounds (VOC) into the atmosphere, its amount has reached more than 50%, causing serious secondary pollution. This problem has attracted the attention of many industrial countries. [000...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D163/00C09D7/12C09D5/03C09D5/18C09D5/08
CPCC08L2201/08C08L2205/03C09D5/033C09D5/08C09D5/18C09D7/61C09D7/62C09D163/00C09D167/00C08L63/00C08L83/04C08K13/06C08K9/06C08K2003/387C08K3/346C08K2003/2241C08K2003/282C08K3/04C08K2003/2227C08K2003/2272C08K3/34C08L67/00
Inventor 陈俊刘学涛赵遵刚霍柏林李正孙红兴
Owner 合肥燕美新材料科技有限公司
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