国家/地区 中国（12）
IPC部 C（12）
IPC大类 C08（12） C09（5） C02（4）
B01（3） C01（2）
IPC小类 C08J（12）
IPC C08J009/36（12）
发明人 WANG Y（4） JI G（2） LI S（2）
WU W（2） YANG Y（2）
公开年 2021（10） 2022（2）
申请年 2021（12）
专利权人 UNIV PEKING（2）

Use of electromagnetic material modification method in preparing polyimide foam electromagnetic shielding material.

SHI J, YANG D, CHAI X, LU X, DING Z

Preparing super-hydrophobic graphene/polyvinyl alcohol aerogel in separating water-in-oil emulsion, comprises adding polyvinyl alcohol and graphene oxide into deionized water, adding polyvinyl alcohol solution in graphene oxide suspension and obtaining graphene oxide/polyvinyl alcohol suspension.

LI L, HOU L, REN Z, LIN Y, YANG Y

Crosslinked polyimide-based composite thermal insulation aerogel comprises polyimide aerogel having imide repeating units as material framework, and inorganic substance as reinforcing material filled in the pores of the polyimide aerogel.

LI Y, ZHAN X, TONG Z, ZHANG Q, CHU G, XIAO W, ZHOU G, WANG J

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Preparing hydrophobic moisture barrier coating useful in obstructing and dehumidifying field, comprises e.g. reacting dopamine hydrochloride in methacrylic acid substance, performing free radical polymerization reaction and oxygen plasma surface hydroxylation and coating.

WANG X, YANG W, YU Q, YU B, XIANG Y, ZHOU F

Preparing millimeter-scale core-shell structure sphere material involves feeding polystyrene foam balls into rotary drum, adjusting working temperature of rotary drum, and adding low-density material into rotary drum.

DENG Z, ZENG J, YANG Y, XU Z, LI S, WU W, ZHANG H, LI H, WANG H, DAI Z, YI J, TANG B, CAO M

Flame retardant polyurethane foam comprises polyurethane foam, and flame retardant comprising polydopamine and graphene material.

YANG L, JIANG F

Processing full-band radar camouflage net, comprises e.g. making foam base layer, transferring to extruder to be extruded into tablets, irradiating at room temperature, subjecting to high-temperature foaming treatment, and coating layer of anti-infrared coating on flame retardant layer.

WU W

Preparing antibacterial, sterilized graphene foam packaging box, involves adding polyether polyol to reaction device, heating, adding graphene/graphene derivatives, foaming agent, dispersant to polyether polyol, chain extender, and stirring.

LIU A

Preparing flame-retardant photothermal conversion polymer foam involves soaking and cleaning polymer foam with water to remove impurities attached to surface, drying cleaned polymer foam, and adopting in-situ co-precipitation method.

WANG Y, SHI H, ZHAO H, LI S, CHENG J, WANG T