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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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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 8. Отображено 8.
29-10-2014 дата публикации

V0-level halogen-free flame-retardant reinforced polypropylene composite material and preparation method thereof

Номер: CN104119610A
Автор: ZHANG YIXIANG, SHEN HANZHI, SHEN XUQU, GONG WENXING
Принадлежит:

The invention discloses a V0-level halogen-free flame-retardant reinforced polypropylene composite material which is composed of the following raw materials: homo-polypropylene, a reinforcing agent, a flame retardant agent, a compatibilizer, a toughening agent, a lubricant, other auxiliary agents, and a coupling agent. A preparation method of the composite material comprises the following steps: 1) weighing the homo-polypropylene, the reinforcing agent, the flame retardant agent, the compatibilizer, the toughening agent, the lubricant, the other auxiliary agents and the coupling agent; 2) adding the other auxiliary agents, the homo-polypropylene, the compatibilizer and the toughening agent into a high-speed mixer, mixing, and during mixing, uniformly spraying a coupling agent ethanol diluted substance; 3) heating the lubricant to make the lubricant reach a molten state, then pouring the flame retardant agent, stirring into a paste, pouring out, and cooling; 4) putting the material obtained ...

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Номер записи: 1
23-06-2023 дата публикации

Anti-aging polypropylene composite material as well as preparation method and application thereof

Номер: CN116285103A
Автор: SHEN XUQU, MA CUITING, YE JUNJIE, LIU PENGHUI, WANG QIANG, WANG HONG, HE QIYAN, ZHENG WEIHENG
Принадлежит:

The invention belongs to the technical field of polymer modified materials, and particularly relates to an anti-aging polypropylene composite material as well as a preparation method and application thereof. The invention relates to an anti-aging polypropylene composite material, which comprises the following raw materials by mass: 35-65 parts of polypropylene resin; 2-20 parts of an ethylene propylene diene monomer reclaimed material; 20 to 40 parts of glass fiber; 0.1-1 part of a light stabilizer; 0.1 to 1 part of an antioxidant; the glass fibers comprise chopped glass fibers and continuous glass fibers. The continuous glass fibers and the chopped glass fibers are compounded, so that the orientation of the glass fibers can be effectively reduced, the warping is reduced, and the cost is reduced; the ethylene propylene diene monomer reclaimed material is selected as a toughening agent, so that the impact resistance of the material can be effectively enhanced, the material is not easy to ...

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Номер записи: 2
19-02-2014 дата публикации

Reinforced polyolefin heat-conducting plastic and preparation method thereof

Номер: CN103589071A
Автор: ZHANG YIXIANG, SHEN HANZHI, YANG JIE, GONG WENXING, CHENG RUILIANG, SHEN XUQU, ZENG XIANSHEN
Принадлежит:

The invention discloses a reinforced polyolefin heat-conducting plastic. The reinforced polyolefin heat-conducting plastic consists of the following components in parts by weight: 40-60 parts of co-polypropylene, 5-15 parts of reinforcing agent, 20-40 parts of heat-conducting filler, 0-5 parts of toughening agent, 0.1-1 part of lubricant and 0.1-1 part of other auxiliary agents, wherein the fusion index of the co-polypropylene is 25-40 g/min, and the notched impact strength of a cantilever is 100-200 J/m. The selected and used co-polypropylene has good melt flow rate, so that the machining process is easier to perform, and the production process is simple; the reinforcing agent is subjected to surface modification treatment through a silane coupling agent, so that the heat-conducting plastic has good rigidity, heat resistance and cold resistance performance, and meanwhile the shrinkage rate of lower polyolefin is effectively reduced; the toughness of the heat-conducting plastic is improved ...

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Номер записи: 3
29-10-2014 дата публикации

Low-TVOC (Total Volatile Organic Compound) and low-luster polypropylene composite for automotive interior trim and preparation method of low-TVOC and low-luster polypropylene composite

Номер: CN104119615A
Автор: ZHANG YIXIANG, SHEN XUQU, YANG JIE, SHEN HANZHI
Принадлежит:

The invention discloses a low-TVOC (Total Volatile Organic Compound) and low-luster polypropylene composite for an automotive interior trim. The low-TVOC and low-luster polypropylene composite is composed of the following raw materials: polypropylene, polyethylene, a filling agent, a delustering agent, a gas stripping agent, a photocatalyst, an adsorbent and an antiaging agent. The preparation method comprises the steps of (1) uniformly mixing polypropylene, polyethylene, the filling agent, the delustering agent and the gas stripping agent; (2) uniformly mixing the photocatalyst, the adsorbent and the antiaging agent; (3) adding the mixture obtained in the step (1) from a main feeding hole of a double-screw extruder, adding the mixture obtained in the step (2) from a side feeding hole, and carrying out melt extrusion for granulating; (4) drying grains obtained in the step (3) to obtain the low-TVOC and low-luster polypropylene composite. The polypropylene composite obtained by the invention ...

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Номер записи: 4
14-07-2023 дата публикации

Matte halogen-free elastic composite material as well as preparation method and application thereof

Номер: CN116426062A
Автор: DONG QIDIAN, LYU WEI, SHEN XUQU, XIONG JINBIAO, ZHANG YIXIANG
Принадлежит:

The invention discloses a matte halogen-free elastic composite material as well as a preparation method and application thereof, and the matte halogen-free elastic composite material is prepared from the following raw materials: 10-50wt% of a polyolefin elastomer; 10 wt% to 50 wt% of an EPDM elastomer; 5 wt%-20 wt% of a styrene elastomer; 1 wt% to 5 wt% of an SEBS-g-MAH compatilizer; 5 wt%-30 wt% of a filler; and 1 wt%-5 wt% of an auxiliary agent. The matte halogen-free elastic composite material disclosed by the invention has the properties of good tensile property, good photo-thermal aging resistance, high tearing strength, scratch resistance and the like, and meets the matte appearance requirement. The material disclosed by the invention is excellent in comprehensive performance, simple in preparation process, worthy of popularization and application and suitable for being used as an elastomer material for soft accessories of automobiles.

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Номер записи: 5
13-08-2014 дата публикации

Glass fiber reinforced flame retardant polypropylene material for household appliance products and preparation method thereof

Номер: CN103980617A
Автор: SHEN XUQU, SHEN HANZHI, ZHANG YIXIANG, YAO XINGMEI, CHEN RUIBIN, LI LINGYU
Принадлежит:

The present invention relates to a glass fiber reinforced flame retardant polypropylene material for household appliance products, and belongs to the field of modified polypropylene plastic. The material comprises the following raw materials, by weight: a high-impact-resistance copolymer polypropylene resin, a bromine-based flame retardant agent, antimony trioxide, a flame retardant synergist, alkali-free continuous long glass fibers, a compatibility agent, a toughening agent, a lubricant, a UV absorber and an antioxidant. The present invention provides the glass fiber reinforced flame retardant polypropylene material with higher tensile strength, bending modulus and hardness as well as high impact-resistance, low molding shrinkage, aging resistance and the like. The glass fiber reinforced flame retardant polypropylene material has a high heat deformation temperature, good oxidation resistance at high temperature, and the flame retardant performance up to the level of UL94 V-2, and passes ...

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Номер записи: 6
26-02-2014 дата публикации

Glass fiber reinforced polypropylene material for swimming pool staircase footplate and preparation method of glass fiber reinforced polypropylene material

Номер: CN103601976A
Автор: SHEN XUQU, ZHANG YIXIANG, CHEN RUIBIN, YAO XINGMEI, LI LINGYU
Принадлежит:

The invention discloses a glass fiber reinforced polypropylene material for a swimming pool staircase footplate. The glass fiber reinforced polypropylene material consists of the following raw materials in parts by weight: 50-80 parts of high-crystallinity homopolymerization polypropylene resin, 20-35 parts of alkali-free continuous long glass fibers, 3-8 parts of a compatilizer, 0-5 parts of a toughening agent, 0.1-1 part of a nucleating agent, 0.1-1 part of a lubricant, 0.1-1 part of an ultraviolet absorbent and 0.1-1 part of an antioxidant. The invention not only endows the glass fiber reinforced polypropylene material with relatively high tensile strength, flexural modulus and hardness, but also ensures that the glass fiber reinforced polypropylene material has the characteristics of good impact strength, small molding shrinkage ratio, difficulty in aging and the like; meanwhile, the glass fiber reinforced polypropylene material is high in heat deflection temperature, good in oxidation ...

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Номер записи: 7
06-06-2023 дата публикации

Anti-aging and flame-retardant polypropylene composite material as well as preparation method and application thereof

Номер: CN116218080A
Автор: SHEN XUQU, MA CUITING, YE JUNJIE, LIU PENGHUI, WANG QIANG, WANG HONG, HE QIYAN, ZHENG WEIHENG
Принадлежит:

The invention belongs to the technical field of polymer modified materials, and particularly relates to an anti-aging and flame-retardant polypropylene composite material as well as a preparation method and application thereof. The anti-aging and flame-retardant polypropylene composite material comprises the following raw materials in parts by mass: 20-60 parts of polypropylene resin; 1-10 parts of a compatilizer; 5-25 parts of an ethylene propylene diene monomer reclaimed material; 5-30 parts of a smoke suppression flame retardant; 0.1-2 parts of a light stabilizer; 0.1 to 2 parts of an antioxidant; and 10 to 40 parts of glass fiber. The anti-aging and flame-retardant polypropylene composite material disclosed by the invention has excellent mechanical properties and light and thermal aging resistance; the tensile strength is larger than 85 MPa, the bending modulus is larger than 6000 MPa, the cantilever notched impact strength is larger than 165 J/m, the strength is higher than that of ...

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Номер записи: 8