国家/地区 美国（10）
IPC部 C（10） B（5） A（2）
H（2）
IPC大类 C08（10）
IPC小类 C08G（10）
IPC C08G018/32（10）
发明人 KROPP M A（2） KRYGER M J（2） RULE J D（2）
WHITE K L（2） YAO L（2）
公开年 2021（5） 2022（2）
申请年 2021（5）  2020（2） 
专利权人 3M INNOVATIV.（2）

Selective laser sintering process for preparing highly spherical particles, involves depositing carbon nanomaterial-graft-polyurethane particles on nanomaterial surface and exposing nanomaterial grafted polyurethane particles to laser, for fusing polymer particles and forming consolidated body.

SRISKANDHA S E, FARRUGIA V M, CLARIDGE R, EMPARUZIA V, SIBANTIISWARISLISKANDA, EASWARI S, SRISKANDAR S E

Composite material used for forming structural material, comprises closed cell polyurethane matrix portion exhibiting properties associated with wood, and particulate portion homogeneously distributed and suspended in matrix portion, where particulate portion is fiberglass and hemp fiber.

CHRISTY J, ESCOBAR H

Graphene dispersion used in composition for preparing polyurethane composite material, comprises graphene and polyol compound comprising aromatic polyol and modified aromatic polyol made by subjecting the aromatic polyol and epoxidized vegetable oil to ring opening reaction.

CHIEN C, HUNG W, WU Y, JIAN J

Polyurethane composition used in polyurethane elastomer, comprises polyisocyanate component comprising isocyanate-terminated prepolymer obtained from reaction of polyol with 1,4-bis(isocyanatomethyl cyclohexane), or mixture of 1,4-bis(isocyanatomethyl cyclohexane), and isocyanate-reactive component.

SONG N

Polymeric material for two-portion composition, comprises a polymerized reaction product of a polymerizable composition comprising components, where components comprises a uretdione-containing material.

WHITE K L, YAO L, RULE J D, KRYGER M J, KROPP M A

Two-component composition used for adhering substrate(s), comprises component containing polymeric material containing polymerized reaction product of polymerizable composition having preset uretdione functionality, and component.

WHITE K L, YAO L, RULE J D, KRYGER M J, KROPP M A

Composite material used for forming pillow, comprises polyol, polyether polyol, polyester pigment of aqueous resin-free pigment, silicone oil, crosslinking agent, catalyst, water, and graphene quantum dots.

WAN Y

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S

Preparation of carbon nanotube-modified aqueous polyurethane adhesive coating, by reacting carboxylated carbon nanotube-modified graphene sheet with polyurethane prepolymer and adding chain extender, triethylamine and benzamide.

DUAN B, DING H, LIU G, WANG Y, TANG Z, ZHANG M, WANG Q, HOU L, QIAN S

Resin composition for treating surface of steel sheet, comprises binder resin, graphene and solvent.

CHO J D, LEE J R, LEE J S, SHIM S E, LEE J, CHO J, SHIM S