国家/地区 中国（5） 加拿大（2） 欧洲专利局（EPO）（2） 日本（2） 韩国（2） 美国（2）
IPC部 B（5） C（5）
IPC大类 B29（5）
IPC小类 C08G（5）
IPC C08G018/48（5）
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 useful for fiber winding, comprises bisphenol A type epoxy resin, toughening epoxy resin, wetting agent, active diluent, hydrophobic modified nano filler, coupling agent, antifoaming agent, latent curing agent, accelerator and wetting dispersant.

QIU S, DENG H, ZHENG S, HUANG B, LI G, LIN W

Preparing polyurethane prefabricated direct-buried thermal insulation composite pipe, comprises nesting working pipe and fixing in outer protective pipe, forming cavity, and adding polyurethane stock solution for free pressure foaming.

SHI Q, LIANG H

Composite material used for pillow, mattress, seat cushion, back pad, sofa, waist, insole, bra, vehicle seat, toilet seat, or hand warmer comprises graphene-containing polyurethane foam and non-carbon non-oxygen elements.

LIU D, PENG W, WANG S, TANG Y, ZHANG J

Preparation of irradiation modified polyurethane piezoelectric damping material by molding mixture of polyether polyol, 4,4'-dicyclohexylmethane diisocyanate, catalyst, graphene, piezoelectric ceramic powder, and diethoxy-butyne diol.

CAO W, JIU Y, WANG L, ZHAI T, ZHAI Y, ZENG X, ZHOU C