国家/地区 中国（4）
IPC部 B（4）
IPC大类 B33（4）
IPC小类 B33Y（4）
IPC C08K003/04（4）
发明人
公开年
申请年 2021（2） 
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

Near-infrared response composite material for four-dimensional (4D) printing, is prepared using e.g. 4((6hydroxyhexyl)oxy)phenyl 4((6hydroxyhexyl)oxy)benzoate, 4,4 diphenylmethane diisocyanate, polyethylene glycol, acrylate monomer, thiol cross-linking agent, 1,1,1 trimethylolpropane and graphene.

WANG T, WANG Q, ZHANG X, CAO P, GONG J, ZHANG Y

Graphene oxide/thermoplastic polyurethane elastomer composite powder for selective laser sintering of heat-resistant parts comprises thermoplastic polyurethane elastomer powder, graphene oxide, flow aid, antioxidant and coupling agent.

WU W, HU H, LI J, LIU D, HUANG J

Production of aircraft frame based on three-dimensional printing by stirring polyurethane foam and polyurethane material, mixing with graphene powder, heating, pouring mixture into three-dimensional printer, and high-temperature molding.

REN X