国家/地区 美国（4）
IPC部 C（4） B（2）
IPC大类 C08（4）
IPC小类 C08G（4） C08K（3） C08L（3）
B29C（2） C08J（2） C09D（2）
IPC C08G018/10（4）
发明人
公开年 2022（2）
申请年 2021（3） 
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

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

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