国家/地区 中国（20） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 C（21）
IPC大类 C08（21）
IPC小类 C08K（21）
IPC F16L009/12（21）
发明人 LIU J（5） FU Y（3） TIAN X（3）
WAN G（3） WANG J（3） HUO F（2）
LI H（2） LIU W（2） MEI L（2）
SONG Q（2） TENG X（2） WANG L（2）
ZHOU W（2）
公开年 2021（9） 2022（7） 2016（2）
申请年 2020（8）  2022（6）  2021（3）  2016（2） 
专利权人 ANHUI GLANT .（5） LINHAI WEIXI.（2）

High-strength polyethylene pipe fittings comprises e.g. polyethylen outer layer, middle layer and inner layer, where outer layer is embedded at outer side of middle layer, and middle layer is provided with reinforcing layer and reinforcing layer is net-shaped structure or planar structure.

CHEN J, CHEN Z, PAN X

Rubber tube useful for underground hydraulic transmission, comprises e.g. inner rubber layer set inside composite layer and outer rubber layer set outside composite layer, where metal weaving layer is compounded on middle rubber layer, and outer rubber layer is compounded on metal weaving layer.

WANG Y, HU X, HAN W, JIA X, LIU G, LI X

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

High-strength temperature medium conveying pipeline comprises e.g. rigid reinforcing layer, polyethylene of raised temperature resistance modified foam layer, anisotropic plane high thermal conductivity graphene layer and inner core pipe in turn from outside to inside.

WANG J, SONG Q, HUO F, CHU Z

High thermal conductivity radiation cross-linked polyethylene material useful in preparing pipe, comprises polyethylene, thermally conductive fillers, fluorine-containing organic compounds, impact modifiers, and additives.

WANG L, LIU Z, ZHANG H

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

Weather-resistant drainage pipeline with multilayer structure, comprises an inner layer, an intermediate layer and an outer layer, where the intermediate layer pipe comprises PVC resin, calcium carbonate powder, calcium-zinc heat stabilizer, solid plasticizer, processing aid and toughening modifier.

HUO F, CHEN H, SONG Q, FENG J

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

Polymeric material mixture used for forming article e.g. pipe, channel and conduit for device, comprises fluorine-containing polymer, siloxane polymer, and two polymer processing additives having different chemistries.

VALENCIA A, SPRADLING C M, LUKUBIRA S, CHO S K, FAN F, CHUNG H T,

Composite polyethylene material useful in preparation of pipes, comprises polyethylene powder, polyethylene granules, flake graphite, graphene oxide, dispersant, mineral oil, coupling agent and antioxidant and polyethylene granules.

CHENG X, LV A, WANG L