国家/地区 中国（11） 加拿大（2） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 B（12） C（12） D（3）
A（2）
IPC大类 B01（12） C02（12） C01（3）
A41（2） C08（2） D01（2）
IPC小类 B01D（12）
IPC C02F001/28（12）
发明人 LI X（2） WANG L（2） YANG Y（2）
公开年 2021（12）
申请年 2021（12）
专利权人

Inserting two dimensional flakes of two dimensional material into pores of porous substrate, comprises providing porous substrate having open pores, applying liquid dispersion of flexible flakes to porous substrate and subjecting substrate.

KHRANOVSKYY E, ZHYBAK M

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Four-columns water filter system has three filtering bed in each column, where three filtering bed comprises filter I or first filter bed-made-up of functionalized graphene, filter II or second filter bed-made-up of cotton supported bed.

GAUTAM S, KUMAR A, VASHISTHA V K, DAS D K, SHARMA K, PRAKASH S

Preparing composite fibre film comprises adding graphene oxide and dopamine hydrochloride, stirring, adding polyvinyl alcohol into deionized water, heating, adding cotton fibers into deionized water, electrostatic spinning, adding amino-terminated hyperbranched polymer and shaking.

WUMING

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Preparing graphene oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H

Preparing graphene oxide grafted polyacrylonitrile fiber heavy metal adsorption film comprises e.g. ultrasonically dispersing graphene oxide and chloropropyltriethoxysilane, performing constant temperature reaction and electrospinning.

LI Z

Preparing graphene-based Ag@ZIF-67 composite material film for wastewater treatment, involves adding the MOF material to the solvent, and after uniformly stirring, adding the silver source and stirring to obtain solution A.

LI Y, LI X, YANG Y, WANG L, ZHANG M, WU Z, KONG Y, CONG H, TANG J

Air purifying device based on biomass protein-graphene nanocomposite material, includes shell provided with air inlet cavity, multi-stage filter cavity and purifying cavity which is provided with graphene aerogel net column.

LI X, DU L, YANG Y

Bionic fiber functional material used in low concentration heavy metal ion adsorption, is rich in multiple adsorption sites, that is, N, O, and S sites that have adsorption properties for heavy metal ions and material.

HE H, WANG L, ZHU H, ZHOU H, WANG S, HO H, ZHU H X, CHOU H