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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 4. Отображено 4.
30-05-2023 дата публикации

Epoxy resin composite material and processing device thereof

Номер: CN116178894A
Автор: WEI XIAOJING, WU LIWEN, MIN JIAFENG
Принадлежит:

The epoxy resin composite material comprises 40%-60% of epoxy resin, 10%-30% of graphite fibers, 10%-30% of montmorillonite, 10%-15% of a curing agent and 10%-15% of ethyl alcohol. According to the epoxy resin composite material provided by the invention, the composite material has excellent performance, relatively high strength and strong impact resistance, and the integrity is improved; the invention further provides a processing device of the epoxy resin composite material, through the arrangement of the processing device, when the epoxy resin composite material is produced and manufactured, bidirectional stirring can be achieved, bidirectional stirring does not interfere with each other, switching is flexible, and the processing device is suitable for actual use.

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Номер записи: 1
23-06-2023 дата публикации

Epoxy resin for high-gloss and high-temperature-resistant powder coating and preparation method of epoxy resin

Номер: CN116284684A
Автор: YE CHENGYI, WU LIWEN, WEI XIAOJING, CHEN YUANJIE, MIN JIAFENG
Принадлежит:

The invention relates to an epoxy resin for a high-gloss and high-temperature-resistant powder coating, which is obtained by using 1, 3, 5-tri (2-hydroxyethyl) cyanuric acid, xylene, cyclohexanecarboxylic acid, epichlorohydrin, sodium hydroxide, hydrogenated bisphenol A, a catalyst and the like as main raw materials to react. The chain segments of the finally prepared epoxy resin are mainly cyanuric acid ring and hydrogenated bisphenol A chain segments with excellent high-temperature resistance, the obtained epoxy resin has excellent high-temperature resistance, and cyclohexyl formate specially introduced into the chain segment structure has excellent high-temperature resistance on one hand, and also has excellent high-temperature resistance on the other hand; more importantly, the epoxy resin has the functions of assisting in epoxy resin chain segment lubrication, assisting in leveling and improving gloss in the curing film forming process, finally, after epoxy resin and an anhydride curing ...

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Номер записи: 2
12-05-2023 дата публикации

Epoxy resin composition and processing equipment thereof

Номер: CN116102850A
Автор: YE CHENGYI, ZHENG LE, MIN JIAFENG
Принадлежит:

The invention discloses an epoxy resin composition which comprises epoxy resin, polyurethane, modified nano silicon dioxide filler and a curing agent. According to the epoxy resin composition provided by the invention, the epoxy resin composition with good dispersibility and better surface roughness is obtained through setting of the composition; the invention further provides processing equipment of the epoxy resin composition, through the arrangement of the processing equipment, when the epoxy resin composition is produced and manufactured, materials adhered to the feeding opening can be cleaned into the reaction kettle, and deviation of material adding is prevented.

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Номер записи: 3
02-05-2023 дата публикации

Epoxy resin for high-leveling low-temperature fast curing powder coating and preparation method thereof

Номер: CN116041666A
Автор: WU HAILIANG, CHEN YUANJIE, MIN JIAFENG, WU LIWEN, WEI XIAOJING
Принадлежит:

The invention relates to epoxy resin for a powder coating, which is obtained by reacting main raw materials including castor oil, dimethyl adipate, 4, 4 '-diphenyldicarboxylic acid, bisphenol A diglycidyl ether, methylallyl alcohol, acetonitrile, hydrogen peroxide and the like. The epoxy equivalent of the obtained epoxy resin is 560-610 g/mol, the total chlorine content is 200 ppm or below, the storage stability is good, and the epoxy resin can be used for surface coating of precise instruments and equipment; according to the epoxy resin, a special castor oil chain extension product is adopted as a main body structure, the branching degree is good, the softening point of the product is extremely low, the low-temperature fluidity is excellent, ultra-low-temperature rapid curing can be achieved with 2-phenyl-4, 5-dihydroimidazole and the like, the leveling performance is excellent, and other properties of a coating film can meet conventional application requirements.

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Номер записи: 4