国家/地区 中国（6）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08K（6） C08L（6） C08J（3）
IPC C08K003/04（6）
发明人 CHRN H（6）
公开年 2014（6）
申请年 2014（6） 
专利权人 WUHAN KINGBU.（6）

Preparation of graphene-modified polypropylene plastic composite pipe involves preparing graphene-modified polypropylene inner tube, and bonding steel strip, graphene-modified polypropylene inner tube and polypropylene outer layer.

CHRN H

Preparation of graphene-modified polypropylene composite pipe material involves stirring surface treatment agent and solvent, adding graphene powder, stirring, dispersing, drying, and adding polypropylene resin, antioxidant, and dispersant.

CHRN H

Preparing graphene modified polyethylene composite pipe material, comprises e.g. stirring surface treatment agent and solvent, and ultrasonically disperse the mixture added with graphene powder, and mixing antioxidant and dispersant.

CHRN H

Preparing polyethylene plastic composite pipe using modified graphene comprises adding modified graphene powder/polyethylene blend masterbatch into polyethylene resin and extrusion molding to obtain graphene modified polyethylene inner tube.

CHRN H

Preparing hard PVC composite pipe material, comprises e.g. stirring surface processing agent, solvent with graphene powder, and ultrasonically dispersing, drying, and mixing e.g. modified graphene powder and PVC resin, and extruding.

CHRN H

Preparation of composite pipe involves mixing surface-treatment agent, solvent and graphene powder, dispersing, mixing with polyethylene resin, antioxidant and dispersing agent, mixing, extruding, granulating and molding.

CHRN H