国家/地区 中国（6）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08K（6） C08L（6） F16L（4）
IPC C08K003/04（6）
发明人
公开年 2022（6）
申请年 2022（5） 
专利权人

Double insulation type self-limiting temperature heating cable used in electric heating element, comprises two parallel metal wire cores whose outside is covered with PTC material layer, where PTC material layer is covered with inner insulating layer and flame-retardant outer insulating layer.

JI C

Anti-scale layer used in preparing heat-resistant polyethylene (PE-RT) floor heating pipe, comprises PE-RT, organic silicone masterbatch, nano-silicon dioxide and modified-graphene oxide prepared by modifying graphene oxide with surface modifier.

OU J, CHEN S, CHENG X, QIN X, LV A

Graphene modified neoprene rubber useful for preparing high performance rubber V-belt, comprises neoprene, sulfur, auxiliary crosslinking agent TAIC, zinc oxide, stearic acid, calcium stearate, carbon black, lignin modified NBR, maleic anhydride grafted graphene solution and anti-aging agent.

WU L, YE J, SHI S

Modified core-shell masterbatch toughened polypropylene random copolymer (PPR) pipe comprises tube body comprising outer layer, middle layer and inner layer, where outer layer comprises PPR resin, modified nano-calcium carbonate and dispersant.

MO Y, LU Z, LI Y, LI H, SHI K, LIANG Y, LAN J

Processing cold-resistant water pipe useful in e.g. polyvinyl chloride water supply pipe, comprises e.g. ultrasonically dispersing graphene oxide and deionized water, centrifuging, reacting, stirring polypropylene, ethylene-octene copolymer, high-density polyethylene, and performing melt extrusion.

LU X, GU N

Preparing high-pressure-resistant pipeline plastic involves preparing modified carbon fiber, preparing modified nano particle, adding graphene oxide into absolute ethyl alcohol, soaking completely graphene oxide, and performing ultrasonic treatment to obtain dispersion liquid of graphene oxide.

ZHOU J