国家/地区 中国（17） 韩国（3） 加拿大（2） 欧洲专利局（EPO）（2） 美国（2）
IPC部 C（20） B（3）
IPC大类 C08（20）
IPC小类 C08G（20）
IPC C08G018/48（20）
发明人 HO M J（2） SEUNGGYEONG Y（2）
公开年 2021（16） 2022（4）
申请年 2021（20）
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

Polyurea coating waterproofing material for building, is prepared by reacting agent comprising isocyanate group terminated prepolymer prepared from aliphatic diisocyanate, aromatic diisocyanate, polyetheramine and polyhexamethylene carbonate diol and agent containing polyamine mixture.

HO M J, SEUNGGYEONG Y

Aqueous polyurethane composite material comprises diisocyanate, hydrophilic chain extender, organic tin catalyst, small molecular chain extender, neutralizing agent, modified graphene oxide powder, deionized water, internal cross-linking agent and hydroxy terminated dihydric alcohol.

XUE Y, WU Z, ZHAO Y, WU S

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

Preparing yellowing-resistant thermoplastic polyurethane comprises heating isocyanate and dihydroxy water repellent, adding polyglycol, 1,4 butanediol, graphene, anti-yellowing agent, antioxidant, catalyst, and monohydroxy water repellent, and baking.

HE P

Preparing polyurethane thermally conductive anti-corrosion coating involves adding isophorone diisocyanate and polypropylene glycol to stirring device through feed port according to preset ratio.

CUI X, ZHANG R, MA P

Polyurea coating waterproofing material for manufacturing polyurea coating film comprises first agent including isocyanate group-terminated prepolymer, and second agent e.g. first polyetheramine and surface-modified graphene oxide.

HO M J, SEUNGGYEONG Y

Self repairing antibacterial polyurethane coating comprises modified graphene, amino silicone oil, isophorone diisocyanate, N, N-dimethylformamide, polyethylene glycol and hydrogen peroxide.

LU C

Preparation of waterproof coating includes heating hydroxyl terminated polylactic acid, adding dibenzoyl peroxide and nano graphene oxide to obtain graphene grafted polylactic acid and mixing graphene grafted polylactic acid and polyurethane prepolymer to obtain polyurethane composite emulsion.

YANG C

Graphene/aqueous polyurethane composite material used in coating, comprises polyether glycol including polytetrahydrofuran ether glycol and tetrahydrofuran-propylene oxide copolymer glycol, polycarbonate diol, chain extender, triethylamine, organic phosphorus flame retardant, and reducing agent.

JIANG Y, ZHANG Z