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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.
22-08-2023 дата публикации

High-transmittance and high-barrier three-layer composite fabric and preparation method thereof

Номер: CN116619841A
Автор: WU JINHONG, WANG YUMEI, WU LIANGLIANG, MA DEXUN, ZHANG ZHIYI, LI FANCHENG, DENG LINLIN, XU YANMEI, CHENG MEILING, LIU YANGUANG
Принадлежит:

The invention discloses a high-transparency and high-barrier three-layer composite fabric and a preparation method, and belongs to the technical field of protective fabrics. A high-permeability high-barrier three-layer composite fabric comprises an inner-layer non-woven fabric, a breathable film and an outer-layer non-woven fabric, the breathable film is located between the inner-layer non-woven fabric and the outer-layer non-woven fabric, and the breathable film mainly comprises the following raw materials: nanoscale activated composite inorganic mineral powder; nano rutile type titanium dioxide; a fluorine-containing polymer; resin special for a gas-permeable membrane; an antioxidant; aloe juice extract powder; modified calcium carbonate; the inner-layer non-woven fabric and the outer-layer non-woven fabric mainly comprise the following raw materials: gypsum whiskers; an acrylic resin; a high manganese alloy; silicon carbide; hexagonal boron nitride; silicone oil; polyvinyl butyral; graphene ...

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Номер записи: 1
09-05-2023 дата публикации

Flame-retardant composite film and preparation method thereof

Номер: CN116080229A
Автор: WANG YUMEI, WU JINHONG, WU LIANGLIANG, MA DEXUN, ZHANG ZHIYI, LI FANCHENG, DENG LINLIN, XU YANMEI, CHENG MEILING, LIU YANGUANG
Принадлежит:

The invention discloses a flame-retardant composite film and a preparation method thereof, and belongs to the field of composite film preparation, the flame-retardant composite film is composed of a base film, a high-strength breathable film and a flame-retardant film, the flame-retardant film is prepared from the following components in parts by mass: 35 to 45 parts of polyethylene, 5 to 8 parts of water-absorbent resin, 5 to 10 parts of ammonium polyphosphate, 5 to 10 parts of pentaerythritol, 10 to 15 parts of dimethyl terephthalate and 10 to 15 parts of auxiliaries; the added ammonium polyphosphate and pentaerythritol can be subjected to esterification reaction and carbonization reaction when encountering open fire, so that an expansion protection carbon layer can be formed, and the formed protection carbon layer has a very low heat conductivity coefficient, so that the spreading of the open fire can be blocked, and the flame retardant property of the composite film can be improved; ...

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Номер записи: 2
08-08-2023 дата публикации

High-breathability and low-temperature breathable film, preparation method and heating patch

Номер: CN116554567A
Автор: WU JINHONG, WANG YUMEI, WU LIANGLIANG, MA DEXUN, ZHANG ZHIYI, LI FANCHENG, DENG LINLIN, XU YANMEI, ZHOU HONGHUA, LIU YANGUANG
Принадлежит:

The invention discloses a high-breathability and low-temperature breathable film, a preparation method and a heating patch, and belongs to the technical field of composite breathable films. The invention relates to a high-breathability low-temperature breathable film, which mainly comprises the following raw materials: modified calcium carbonate; a polyolefin resin mixture; an antioxidant; a dispersant; an inorganic filler; micro-nanocrystalline cellulose particles; a lubricant; the modified calcium carbonate is added into the breathable film, and the small particle size is adopted, so that pores of the breathable film are small, and pore diameter distribution is dense; the inorganic filler is added into the polyolefin resin mixture, so that the mechanical property of the breathable film can be improved; by adding the micro-nanocrystalline cellulose particles, the thermal stability and the mechanical property of the high-breathability low-temperature breathable film can be improved, the ...

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Номер записи: 3
02-05-2023 дата публикации

Degradable breathable film and preparation method thereof

Номер: CN116041762A
Автор: WU JINHONG, WANG YUMEI, WU LIANGLIANG, MA DEXUN, ZHANG ZHIYI, LI FANCHENG, DENG LINLIN, XU YANMEI, ZHOU HONGHUA, LIU YANGUANG
Принадлежит:

The invention discloses a degradable breathable film and a preparation method thereof, and belongs to the field of breathable film preparation. The preparation method of the degradable breathable film is characterized in that the degradable breathable film comprises the following components in percentage by mass: 100% of degradable raw materials; the degradable raw materials specifically adopt PLA and PBAT; the preparation method comprises the following steps: S1, carrying out drying treatment on raw materials PLA and PBAT, and blending to form a mixture; s2, carrying out drying operation again; s3, weighing the mixture according to the formula ratio; s4, extruding the mixture to form a breathable film; s5, the extrusion amount and the air volume are increased, and the stability of bubbles of the breathable film is ensured; s6, a breathable film traction device is arranged, and the extruded breathable film is pulled; s7, detecting the breathable film; s8, the qualified breathable film is ...

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Номер записи: 4