国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 B29D（4）
IPC C08K003/04（3） B29D099/00（2）
发明人 LI H（4）
公开年 2022（2）
申请年
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

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H

Conductive surface film useful for producing aircraft guide complex material comprises epoxy resin, polyaryletherketone, core-shell rubber, flow control agent, curing agent and conductive graphene.

YANG H, WANG D, QU C, LI H, ZHANG Y, FENG H, XIU K, LIU C, XIAO W, WANG H, SU K