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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 7. Отображено 7.
22-08-2023 дата публикации

Dodecylethyltriethoxysilane sulfide super-hydrophobic surface treating agent and preparation method and application of coating of dodecylethyltriethoxysilane sulfide super-hydrophobic surface treating agent

Номер: CN116621870A
Автор: LYU SHENGHUA, WEI DEQUAN, LIANG SHAN, ZUO JINGJING, HE TINGXIANG, LIU LEIPENG
Принадлежит:

The invention discloses a dodecyl ethyl triethoxysilane sulfide super-hydrophobic surface treating agent and a coating preparation method and application thereof, and the method is characterized in that vinyl triethoxysilane and dodecanethiol are used as raw materials, azodiisobutyronitrile is used as a free radical initiator, and the dodecyl ethyl triethoxysilane sulfide super-hydrophobic surface treating agent is prepared. The prepared super-hydrophobic surface treating agent has the characteristics of good chemical stability, strong hydrophobicity and good hydrophobic durability, modified nano SiO2 super-hydrophobic particles are obtained by treating the surface of nano SiO2, and the modified nano SiO2 super-hydrophobic particles are dispersed on the surface of an epoxy resin coating to prepare a super-hydrophobic coating. The hydrophobic coating has the characteristics of good hydrophobic effect, high thermal stability, strong adhesive force, wear resistance and high impact resistance ...

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Номер записи: 1
11-04-2023 дата публикации

Modified cellulose/acrylic acid composite fluorescent hydrogel as well as preparation method and application thereof

Номер: CN115947894A
Автор: LYU SHENGHUA, ZUO JINGJING, WEI DEQUAN, LIANG SHAN, ZHANG SHANSHAN, HE TINGXIANG, WANG JIALIN, YANG JUHUI
Принадлежит:

The invention discloses a modified cellulose/acrylic acid composite fluorescent hydrogel as well as a preparation method and application thereof, and belongs to the technical field of modified biomass functional polymer materials. According to the method, microcrystalline cellulose is taken as a raw material, a dialdehyde cellulose anthrone ethylenediamine fluorescent material and N, N-dimethylformamide are added into the raw material, and then a mixture is prepared; the modified cellulose/acrylic acid composite fluorescent hydrogel is prepared through physical and chemical crosslinking by taking cellulose, N, N-methylene bisacrylamide and acrylic acid as cross-linking agents and sodium persulfate as an initiator. The prepared hydrogel is obvious in three-dimensional structure, and the defects that existing cellulose-based hydrogel is low in mechanical strength, poor in toughness, weak in molecular chain interaction in a gel network, insufficient in toughness and the like can be effectively ...

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Номер записи: 2
18-04-2023 дата публикации

Triphenol epoxy resin as well as preparation method and application thereof

Номер: CN115975151A
Автор: LYU SHENGHUA, LIANG SHAN, WEI DEQUAN, ZUO JINGJING, ZHANG SHANSHAN, HE TINGXIANG, YANG JUHUI, WANG JIALIN
Принадлежит:

The invention discloses a triphenol epoxy resin and a preparation method and application thereof, and belongs to the technical field of functional polymer materials. The triphenol epoxy resin is prepared by taking vanillin, guaiacol and epichlorohydrin as raw materials and tetrabutylammonium bromide as a phase transfer catalyst. The prepared triphenol epoxy resin has the characteristics of high bonding strength, high mechanical strength and high thermal stability, and can effectively overcome the defects of low bonding strength, poor impact resistance, poor high-temperature-resistant stability and the like of the existing bisphenol epoxy resin. The triphenol epoxy resin can be widely used as a composite material, an adhesive, an electrical material coating and the like which are high in strength, high in toughness and good in high-temperature-resistant stability.

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Номер записи: 3
07-04-2023 дата публикации

Anthrone ethylenediamine cellulose fluorescent probe material as well as preparation method and application thereof

Номер: CN115926008A
Автор: LYU SHENGHUA, WEI DEQUAN, ZUO JINGJING, LIANG SHAN, HE TINGXIANG, YANG JUHUI, WANG JIALIN
Принадлежит:

The invention discloses an anthrone ethylenediamine cellulose fluorescent probe material and a preparation method and application thereof, and belongs to the technical field of functional polymer materials, the anthrone ethylenediamine cellulose fluorescent probe material takes microcrystalline cellulose as a raw material, dialdehyde cellulose is prepared through a sodium periodate oxidation method, and due to the fact that the dialdehyde cellulose has an aldehyde group, the molecular weight of the dialdehyde cellulose is increased; the cellulose-based anthrone fluorescent material can react with anthrone ethylenediamine fluorescent functional groups for functional modification to obtain fluorescent functional cellulose, and the cellulose-based anthrone fluorescent material is prepared. The prepared anthrone ethylenediamine cellulose fluorescent probe material has a good condition of adsorbing Cr (VI) in a water body. The anthrone ethylenediamine cellulose fluorescent probe material disclosed ...

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Номер записи: 4
15-08-2023 дата публикации

1, 8-naphthalimide modified cellulose composite fluorescent hydrogel as well as preparation method and application thereof

Номер: CN116589708A
Автор: LYU SHENGHUA, ZUO JINGJING, WEI DEQUAN, LIANG SHAN, ZHANG SHANSHAN, HE TINGXIANG
Принадлежит:

The invention discloses 1, 8-naphthalimide modified cellulose composite fluorescent hydrogel and a preparation method and application thereof.The preparation method includes the steps that novel 1, 8-naphthalimide is designed and developed to serve as a fluorescent functional group, then cellulose is modified through the 1, 8-naphthalimide fluorescent functional group to prepare the 1, 8-naphthalimide modified cellulose composite fluorescent hydrogel, and the 1, 8-naphthalimide modified cellulose composite fluorescent hydrogel is obtained. The preparation method comprises the following steps: taking 1, 8-naphthalimide modified cellulose as a raw material, taking N, N-methylene bisacrylamide and sodium persulfate as initiators, taking acrylic acid as a cross-linking agent, and preparing the 1, 8-naphthalimide modified cellulose composite fluorescent hydrogel through physical cross-linking and chemical cross-linking by taking the 1, 8-naphthalimide modified cellulose as a raw material, taking ...

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Номер записи: 5
15-08-2023 дата публикации

High-strength and high-sensitivity conductive imidazole ion chitosan/acrylic acid hydrogel as well as preparation method and application thereof

Номер: CN116589635A
Автор: LYU SHENGHUA, WEI DEQUAN, ZUO JINGJING, LIANG SHAN, ZHANG SHANSHAN, HE TINGXIANG
Принадлежит:

According to the method, methylimidazole and chitosan are used as raw materials, acrylic acid is used as a cross-linking agent, N, N-methylene bisacrylamide and ammonium persulfate are used as initiators, and the high-strength and high-sensitivity conductive imidazole ion chitosan/acrylic acid hydrogel is prepared on the basis of a free radical polymerization principle. The high-strength and high-sensitivity conductive imidazole ion chitosan/acrylic acid hydrogel is prepared by physical crosslinking and chemical crosslinking. The prepared hydrogel is obvious in three-dimensional structure, rich in pore structure and thicker in pore wall, has the characteristics of high specific surface area, high porosity and stable structure, can effectively overcome the defects that the existing chitosan-based hydrogel is poor in mechanical strength, weak in molecular chain interaction in a gel network, poor in sensing performance and the like, and has better conductive sensing performance. The tensile ...

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Номер записи: 6
07-04-2023 дата публикации

Chitosan-based dialdehyde hexamethylene isocyanate fluorescent hydrogel film as well as preparation method and application thereof

Номер: CN115926018A
Автор: LYU SHENGHUA, WEI DEQUAN, ZUO JINGJING, LIANG SHAN, ZHANG SHANSHAN, HE TINGXIANG, WANG JIALIN, YANG JUHUI
Принадлежит:

The invention discloses a chitosan-based dialdehyde hexamethylene isocyanate fluorescent hydrogel film as well as a preparation method and application thereof, and belongs to the technical field of biomass functional polymer materials. According to the method, chitosan is used as a base material, dihydroformylated dialdehyde hexamethylene isocyanate is used for modifying chitosan to form a chitosan fluorescent probe material, and the chitosan is covalently connected through Schiff base reaction to obtain the chitosan-based dialdehyde hexamethylene isocyanate fluorescent hydrogel film. The hydrogel film can be used for detecting Mn < 2 + > in a water system, and the hydrogel film as a Mn < 2 + > fluorescent probe has good selective detection performance and relatively high crosslinking density, so that the chitosan gel film has the characteristics of good hydrophilicity and mechanical property and also has excellent swelling capacity; and a new method is provided for high-valued utilization ...

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Номер записи: 7