国家/地区 中国（10） 韩国（4） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 C（15） B（4） E（3）
IPC大类 C08（15）
IPC小类 C08G（15）
IPC C08G018/76（15）
发明人 ZHENG Y（3） HO M J（2） SEUNGGYEONG Y（2）
WANG L（2）
公开年 2021（8） 2022（7）
申请年 2021（15）
专利权人 UNIV FUZHOU（3） SBB CO LTD（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

Waterproofing structure useful for repairing cracks of rooftop, underground parking lot, toilet, brick-masonry wall, and floor, comprises e.g. identifying cracks in structure, and perforating injection holes in identified crack site.

KWON S

Water-permeable block comprises e.g. porous structure having honeycomb structure and filler to be filled in empty space of porous structure, includes gravel and bio-urethane-based adhesive containing polymeric methylenediphenyl diisocyanate.

HO M J, SEUNGGYEONG Y

Water-permeable block comprises e.g. gravel and bio-urethane-based adhesive containing first agent comprising polymeric methylenediphenyl diisocyanate and isocyanate monomer and second agent comprising petroleum polyether polyol.

HO M J, SEUNGGYEONG Y

Graphene oxide in-situ polymerization modified double-component polyurethane adhesive used e.g. for interface bonding and surface protection, comprises component e.g. polyether glycol, and other component e.g. polyether diol.

GENG Y, ZHU Y, LIU F

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

Antibacterial and antifouling thermoplastic polyurethane comprises polyol, diisocyanate, graphene molecular sieve composite material, graphene chitosan composite material, silane coupling agent, chain extender, catalyst and antioxidant.

HE J

Antibacterial reinforced low temperature resistant slow-resilience polyurethane sponge contains slow-resilience polyol, base polyether polyol, polymer polyol, amine catalyst, tin catalyst, surfactant, foaming agent, and isocyanate.

WANG L, ZHENG Y

Polyurethane sponge material comprises e.g. polypropylene glycol, polymer polyol, additives, deionized water, modified low temperature resistant agent, conductive enhancer and methylene diphenyl diisocyanate.

WANG L, ZHENG Y