国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08G018/32（3）
发明人
公开年 2023（3）
申请年 2023（3）
专利权人

High-barrier heat-resistant solvent-free polyurethane composite material useful as film lamination in packaging composite field of e.g. daily chemical, comprises e.g. polyurethane prepolymer, graphene modified polyol, polyester polyol, nano-silicon dioxide modified polyether polyol and isocyanate.

HE C, TIAN L, WEN Y

Low density polyurethane foam material used in automobile carpet, comprises polyether polyol, catalyst, foam stabilizer, foaming agent, crosslinking agent and phenyl-containing diisocyanate, where foam stabilizer is prepared by reacting phenyl hydrogen-containing silicone oil and alkenyl polyether.

CHEN L

Preparing polyurethane material used in aviation, traffic, medical treatment, and textile fields comprise mixing thioglycerol, tetrahydrofuran, performing ultraviolet light irradiation reaction, adding dibutyltin dilaurate, 4-amino-4H-1,2,4-triazole, heating, aging, filtering, extracting and drying.

GUO H, DENG Z, QIU G