国家/地区 中国（4）
IPC部 B（4） C（3）
IPC大类 B29（4）
IPC小类 B29B（4）
IPC B32B027/08（2）
发明人
公开年 2023（4）
申请年 2022（4）
专利权人

Preparing butyl rubber /natural rubber alternating multilayer composite material used as tire inner liner material of automobile and airplane, involves alternately laminating and co-extruding natural rubber compound and butyl rubber compound, and vulcanizing.

WU H, DUAN Y, GUO S, XI T, XIONG Y

Black-and-white black three-layer light-shielding film useful for manufacturing full shading curtain and spinning home textile, comprises first light-shielding film, second light-shielding film, and third light-shielding film comprising diisocyanate, polypropylene carbonate diol and chain extender.

HE J

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Preparing thermoplastic elastomer oil bag cloth useful for storing and transporting petroleum, and various fuel, comprises e.g. using padding machine to process base cloth, extruding excess rubber by roll, and carrying out surface polarization and crosslinking treatment on coating layer.

LI J, LI B