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Применить Всего найдено 2. Отображено 2.
26-05-2023 дата публикации

Graphene heat conduction enhanced carbon/carbon composite material

Номер: CN116162447A
Автор: ZHAO YUZHEN, YIN WENBO, WANG DONG, SONG WENQI, ZHANG HUIMIN, HE ZEMIN
Принадлежит:

The invention relates to the field of composite materials, in particular to a graphene heat conduction enhanced carbon/carbon composite material. The invention provides a graphene heat conduction enhanced carbon/carbon composite material. The graphene heat conduction enhanced carbon/carbon composite material is prepared from the following raw materials in parts by weight: 90-100 parts of three-dimensional woven graphite carbon fiber grids, 20-60 parts of graphite and 5-10 parts of graphene, wherein the graphite is prepared from asphalt containing polycyclic aromatic hydrocarbon, and the graphene is prepared from a graphene component subjected to chemical modification. As the graphitization degree of the raw materials is high and the graphene three-dimensional distribution is good, the average heat conductivity coefficient of the graphene heat conduction enhanced carbon/carbon composite material is 675.71 W/(m.K), the heat conduction/heat dissipation efficiency is higher, and the application ...

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Номер записи: 1
16-05-2023 дата публикации

High-strength and cold-resistant textile fabric for space suit and manufacturing method of high-strength and cold-resistant textile fabric

Номер: CN116122057A
Автор: WANG DONG, WU YONGLE, MIAO ZONGCHENG, ZHAO YUZHEN, HE ZEMIN, SONG WENQI
Принадлежит:

The invention discloses a high-strength and cold-resistant textile fabric for space suits and a manufacturing method thereof. The method comprises the following steps: step 1, blending polyimide fibers and heat-conducting carbon fibers, and weaving into a fabric substrate; step 2, placing the fabric substrate in an amino compound liquid, fully soaking at 20-50 DEG C, taking out, and drying at 30-50 DEG C to obtain a surface-modified fabric substrate; and step 3, uniformly spraying a polyurea elastomer on the surface of the fabric substrate subjected to surface modification treatment, and naturally airing to obtain the high-strength and cold-resistant fabric. A compact polyurea film is arranged on the surface of the manufactured fabric, and the fabric not only has good cold resistance, but also is high in mechanical strength.

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Номер записи: 2