国家/地区 美国（5）
IPC部 C（5） B（2）
IPC大类 C08（5） B29（2） C09（2）
IPC小类 C08G（5）
IPC C08G018/32（5）
发明人
公开年 2021（3） 2022（2）
申请年 2021（5）
专利权人

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

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