国家/地区 中国（10） 美国（2） 世界知识产权组织（2）
IPC部 C（12）
IPC大类 C08（12） A61（3） A01（2）
IPC小类 C08B（12）
IPC C08B037/08（12）
发明人 WANG X（2）
公开年 2022（3） 2014（2） 2018（2） 2019（2）
申请年 2014（2）  2019（2）  2021（2）  2022（2） 
专利权人

Halogen-free flame-retardant thermoplastic polyurethane comprises thermoplastic polyurethane elastomer, phosphorus-based halogen-free flame retardant, modified chitosan, modified polyester fiber, lubricant including pentaerythritol ester, tris (butoxyethyl) phosphate, and polyurethane prepolymer.

PAN C, CHEN S

Preparing high polymer material useful in daily chemical bottle, comprises e.g. dissolving guar gum in 1-allyl-3-methyl imidazole chloride to prepare transparent solution, heating, adding tert-butyl acetoacetate and obtaining polysaccharide-based polymer and obtaining chitosan-camphor Schiff base.

WEI C

Photocrosslinkable agent used in e.g. photocrosslinkable ink for forming material comprises methacrylate-modified nanoparticle comprising nanoparticles, molecules attached to surface of nanoparticle, and portion of molecules.

LI L, ROEDER R K

Preparing sulfonated graphene oxide-chitosan composite material useful in antibacterial agent, comprises mixing formamide and chlorosulfonic acid, carrying out reaction, uniformly dispersing, washing and suction filtering, subjecting to dialysis treatment and freeze-drying.

YANG Y, CHENG C, WANG X, LU L, ZHANG W, HOU W

Graphene oxide/chitooligosaccharide composite crosslinked gel prepared by e.g. dissolving chitosan in water, adding epichlorohydrin, adding graphene oxide in water, then adding into bis-primary amine, adding condensing agent and stirring.

ZHANG H, MEI J, LI Z

Intumescent flame retardant comprises chitosan salt, and binary hybrid nanoparticle zeolitic imidazolate framework-8 doped graphene oxide, and chitosan salt is prepared by reacting 2-carboxyethylphenylphosphinic acid with chitosan.

WANG X, WANG K, ZHANG M, DING X, WANG M, ZHAN Y

Bio-engineering plastic comprises chitosan-fluorenone polycondensate, polyhydroxy fatty acid ester, biomass-based graphene, and silane coupling agent.

DONG T, QIN Y

Preparing carboxymethyl chitosan/graphene oxide composite hydrogel comprises e.g. mixing carboxymethyl chitosan and graphene oxide aqueous solutions, 4,4'-dimethyltriphenylmethane-2,2',5,5'-tetraisocyanate, ultrasonicating and reacting.

HUANG L

Preparation of graphene oxide-chitosan composite material used for treating polluted waters involves dissolving chitosan in acetic acid solution, ultrasonic treating, adding sodium periodate, reacting, and washing with deionized water.

ZHAO B

Hybrid nanomaterial useful in antimicrobial composition that is used e.g. to treat or prevent bacterial or fungal infection, comprises graphene oxide nanomaterial covalently conjugated to cationic quaternized chitosan.

CHAN B E M, LI P, CHEN M