国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08G018/10（2） C08G018/32（2） C08G018/66（2）
C08K003/04（2）
发明人
公开年 2023（2）
申请年 2022（3）
专利权人

High-performance polyurethane vibration isolator comprises polytetrahydrofuran diol, graphene oxide, silane coupling agent, polyisocyanate, chain extender, antioxidant, and UV absorber.

YANG L, CHAI K, JING X, CHEN L

Anti-explosion shock wave polyurea composite material of modified graphene used in preparation of protective appliance for explosion-proof impact wave comprises diisocyanate, polycarbonate diol, amine chain extender, and isocyanatized modified graphene.

CAI Q, GAO C, ZHAO X, CHEN G, MI J, ZHANG H, ZENG L, LIAO Z, DU J, LIU D, WEN D, LI C, JIANG J, ZHANG A

Bidirectional rotary seal structure for centrifuge shaft has a shaft sleeve, a dustproof lip, a sealing lip and a circlip, first O-shaped groove is axially opened on one side of the inside of the shaft sleeve and a dust lip is embedded at the position of the first O-shaped groove.

ZOU J, BAO Y