国家/地区 中国（20） 欧洲专利局（EPO）（2） 韩国（2） 美国（2） 世界知识产权组织（2）
IPC部 C（22）
IPC大类 C08（22）
IPC小类 C08J（22）
IPC C08L005/08（22）
发明人 HU K（2） HU M（2） LI L（2）
WANG H（2） WANG X（2） WEI B（2）
WEI Y（2） YANG B（2） YANG G（2）
YANG Y（2）
公开年 2021（14） 2020（8）
申请年 2020（22）
专利权人 BEIJING GRAP.（2） BEIJING HUAQ.（2） WEI B（2）

Conductive composite film comprises reduced graphene oxide, quaternary ammonium salt hemicellulose and chitosan.

GUAN Y, GAO H, WU Y, WU H

Preparation of chitosan-graphene oxide composite gel by preparing mineralized collagen powder, and mixing chitosan-mineralized collagen composite solution and dimethylformamide-polyethylene glycol crosslinking agent solution.

HU K, HU M, YANG G, WANG H, LI L, WEI Y

Green reprocessing polymer hydrogel involves adding a biocatalytic substance to the hydrogel raw materials to prepare a hydrogel, where hydrogel being polymerized by dynamic covalent bonds or supramolecular interactions.

WANG X, ZHONG Y

Preparing hyaluronic acid-graphene oxide composite gel, comprises adding HA powder to MC solution in batches and stirring to make HA powder fully dispersed and combined.

HU K, YANG G, HU M, WANG H, LI L, WEI Y

Preparing sandwich chitosan-based antibacterial composite film with reduced graphene oxide immobilized nano-silver for food packaging, involves washing, drying, pulverizing, and ball milling the corn stalks to obtain corn stalk powder.

WANG X, GU B, JIANG Q

Antimicrobial hemp-based plastic composition comprises hemp material, thermoplastic resin and antimicrobial additive, where presence of additive prevents or minimizes microbial growth in material or in contact with material.

TUBBS K, ETTENSON F, BENHAIM P, DEAN G, CREW T, FRANCINE E, BENHEIMPOLE, DINGREG

Preparing functional masterbatch by mixing surface-treated titanium dioxide powder, modified polypolyester powder mixture, chitin powder, graphene powder, antibacterial powder and replenishing emulsion, drying, melt blending and extruding.

SUN W, KONG X, ZHANG L

Water-degradable film used for transferring or transcribing nanomaterials, e.g. nanofilms, comprises hyaluronic acid and polyphenol compounds interposed between portion of hyaluronic acid main chains through hydrogen bonding.

LEE J, PARK S, KIM K, LEE J H, PARK S H, KIM G S

Super-barrier thermoplastic polyurethane film used for e.g. automobile interior trim and food packaging material, comprises thermoplastic polyurethane film layer, barrier layer containing inorganic particles, and bio-based barrier layer.

HE J, YANG B

Preparing high-strength shape memory chitosan-based hydrogel comprises e.g. dissolving the chitosan in the acetic acid solution and stirring, adding citric acid and continue stirring to obtain a chitosan solution.

YUAN H, DU Q, XIONG F, LI B, XUAN H, YANG Y