国家/地区 中国（8）
IPC部 B（8）
IPC大类 B29（8）
IPC小类 C08L（8）
IPC C08L027/18（8）
发明人 LI J（2） WANG W（2）
公开年 2022（6） 2023（2）
申请年 2022（8）
专利权人

High-performance fluororubber composition for sealing of roadheader, comprises hydroxyl-terminated liquid fluororubber, benzoyl peroxide, triisocyanate-terminated polyurethane prepolymer, spray carbon black, acid absorbing agent, graphite, carbon fiber, graphene, plasticizer, and anti-scorch agent.

YU G, XU H, ZHANG X, LI J, SUN Z, WANG M, PENG Z, ZHANG S, SUN S, CHENG Y, CHEN X, WANG W, ZHAO M

Preparing modified polytetrafluoroethylene composite material comprises pre-treating polytetrafluoroethylene particle and heat conducting filler, mixing modifying agent, filler solution and polytetrafluoroethylene powder, extracting, drying modified solution, collecting modified powder and sintering.

YANG C

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

Antiviral PTFE film used in mask, comprises filter layer with nano holes and antiviral layer comprising graphene positioned on surface of filter layer.

WANG W, CHEN D

Biaxial stretching device useful for improving the uniformity of expanded polytetrafluoroethylene film, comprises e.g. stretching assembly composed of two symmetrically arranged circular tracks, plurality of chain clamps, heat balance zone, transverse stretching zone and shaping zone.

ZHAO G, QIAN J, LI R, LI J

Antibacterial antistatic acrylonitrile butadiene styrene flame retardant color master batch used in e.g. automobile industry, comprises e.g. acrylonitrile butadiene styrene resin, coloring agent, compatibilizer, antistatic agent, anti-aging agent, dispersing lubricant and processing auxiliary agent.

CHU S

Non-fiber reinforced fluorine-containing resin based high-frequency copper-clad plate comprises copper foils positioned on two sides of a fluorine-containing resin base plate positioned in the middle, which is prepared by using fillers such as silica, alumina, and titanate coupling agent.

XIANG Z

Engineering plastic comprsing polyethylene, polytetrafluoroethylene and copolymer, coupling agent, reinforcing filler, synthetic rubber, fire retardant and antioxidant, is prepared by adding hyperbranched polyurethane, filler and rubber to molten premix, extruding, cooling and molding masterbatch.

WANG J