国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3） C08（3）
IPC小类 B29D（3）
IPC C08K003/04（3） B29D099/00（2） C08K003/22（2）
C08K007/14（2）
发明人 CHEN K（3）
公开年 2022（3）
申请年 2022（3）
专利权人

High temperature resistant packer sealing rubber cylinder is useful in oil field, comprises e.g. 100H type tetrapropylene fluorine rubber, 100S type tetrapropylene fluoride rubber, N990 carbon black, N774 carbon black, calcium stearate, and triallylisocyanurate.

YANG Z, LI Y, LUO B, FU W, LV Z, CHEN K, LONG X, CAO X, LI H, REN J

Preparing modified plastics in production of hydraulic rubber tubes using plastic vulcanization process used as outer layer with polar rubber, comprises e.g. crimping unvulcanized rubber tube covered with resin shell on perforated metal I-shaped wheel, and vulcanizing.

CHEN K, XU P, JIANG W

Preparing C-type sealing ring for passage door of main equipment of sodium-cooled reactor comprises extruding material for the temperature-resistant layer and material for the elastic layer, enclosing strip-shaped embryo body in mold cavity, overlapping, closing the mold, and thermal vulcanization.

FENG H, LI N, SUN C, SU Y, CHEN K, FANG K