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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 3. Отображено 3.
05-11-2014 дата публикации

Polyurethane resin bulk molding compound and preparation method thereof

Номер: CN104130566A
Автор: ZHANG XIN, WEI YONGCHAO, QIAO DAHONG, DI JIANNAN, ZHAO MIN, QIN KAIYE
Принадлежит:

The invention discloses a polyurethane resin bulk molding compound and a preparation method thereof. The molding compound comprises the following raw materials by weight: 10 to 15 parts of a white polyurethane material, 9.5 to 14.25 parts of a black polyurethane material, 50.75 to 70.5 parts of a filling material, 10 to 20 parts of a glass fiber, 0.5 to 2 parts of a surface modification aid, 0.5 to 1.5 parts of a dispersant and 2.5 to 4 parts of an internal releasing agent. According to the invention, a polyurethane resin is used as a substrate and the glass fiber, the filling material, the surface modification aid, the dispersant and the internal releasing agent are added so as to prepare the environment-friendly bulk molding compound which has excellent environmental protection performance. In an environment with a high temperature, the bulk molding compound does not release irritant gas, contains an extremely small amount of benzene, toluene and xylene and has TVOC of less than 30 mu ...

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Номер записи: 1
29-08-2023 дата публикации

New energy vehicle and high-temperature-resistant material

Номер: CN116654111A
Автор: QIAO DAHONG, MA YONGHUI, ZHU QINGTAO, ZHANG FENG, ZHU XIAOWEI, JI HAO, LIANG SHENGGUANG
Принадлежит:

The invention belongs to the field of rubber composite materials, and particularly relates to a new energy vehicle and a high-temperature-resistant material. The new energy vehicle comprises a battery compartment and a passenger compartment, the passenger compartment comprises a passenger compartment floor, a high-temperature-resistant heat insulation layer is arranged on the side, facing the battery compartment, of the passenger compartment floor, the high-temperature-resistant heat insulation layer comprises an ablation-resistant layer and a heat insulation layer, one side of the ablation-resistant layer faces the battery compartment, the other side of the ablation-resistant layer faces the passenger compartment floor, and the heat insulation layer is arranged on the ablation-resistant layer. The ablation-resistant layer is prepared from the following raw materials in parts by weight: 100 parts of silicone rubber, 100-200 parts of reinforced fibers, 20-25 parts of a reinforcing agent, ...

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Номер записи: 2
12-11-2014 дата публикации

Epoxy resin bulk molding compound and preparation method thereof

Номер: CN104140637A
Автор: ZHANG XIN, WEI YONGCHAO, QIAO DAHONG, DI JIANNAN, ZHAO MIN, QIN KAIYE, HAN HUAQU, HAN DONGYANG
Принадлежит:

The invention discloses an epoxy resin bulk molding compound (BMC) and a preparation method thereof. The molding compound is composed of the following raw materials by weight: 30-35 parts of epoxy resin, 10-11.2 parts of a curing agent, 40-50 parts of a filler, 10-13.8 parts of glass fiber, 2-3.5 parts of a surface improvement assistant, 1.5-2.5 parts of a dispersant, and 3.5-5 parts of an internal releasing agent. The epoxy resin bulk molding compound provided by the invention adopts epoxy resin as the matrix, and the glass fiber, the filler, the surface improvement assistant, the dispersant and the internal releasing agent are added to prepare the environment-friendly bulk molding compound. With excellent environmental protection performance, the epoxy resin bulk molding compound does not release irritating gas in a high temperature environment, and has very low content of benzene, toluene and xylene, and the TVOC (total volatile organic compound) is less than 30 microg C/g. The epoxy ...

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Номер записи: 3