国家/地区 中国（12） 世界知识产权组织（2）
IPC部 B（12） C（7）
IPC大类 B29（12）
IPC小类 B29D（12）
IPC B29D007/01（12）
发明人
公开年 2021（8） 2022（3）
申请年 2021（12）
专利权人

Antistatic polypropylene composite film useful in e.g. battery packaging, electronic product packaging, industrial powder packaging comprises at least one layer of film layer A formed by polypropylene and optional polyolefin elastomer and film layer B made of resin component and conductive filler.

ZHANG Q, CHOU B, LV Y, GAO D, XU Y, XU M, QUAN H

Processing technology of medicinal composite film based on temperature-sensitive technology comprises e.g. coating adhesive on one side of polyester film layer to form first adhesive layer, compounding polyvinylidene chloride film layer with first adhesive layer, and curing.

ZHOU S, ZHANG C, GU S

High oxygen barrier biaxially oriented high-density polyethylene film comprises five-layer structure of upper layer, adhesive layer, intermediate layer, adhesive layer, and lower layer.

HUI Z

Degradable high-barrier composite film useful in packaging field of liquid and fresh food comprises layer structure with layer A having e.g. thermoplastic starch, compatibilizer, tackifier and auxiliary materials, layer B having paper or cellulose film and layer C including e.g. reinforcing filler.

TANG L, HUANG R, HE X

Preparing piezoelectric film useful in e.g. pressure-sensitive film sensor comprises dispersing conductive nanoparticles, elastic polymer in solvent, heating into molten state, extruding according to blow molding process, pressing ring-shaped film material into film and carrying out roll pressing.

GAO J, KUANG Z

Safety heating film useful for inhibiting displacement current, comprises positive and negative aluminum plated insulating layer, adhesive layer, current carrying strip, silver paste conductive silver paste, graphene conductive paste and base layer.

HUANG S, XIA Y, HUANG X

High-strength polyurethane composite fabric useful for inflating, comprises polyurethane layers, adhesive layers, and base material layer, which are sequentially laminated from top to bottom.

HE J

Cast polypropylene film useful for aluminum plastic film, comprises first layer including e.g. toughening agent and adhesion promoter, second layer including copolymerized polypropylene, and third layer including e.g. adhesion promoter.

XIAO Z

Co-extrusion type antibacterial function non-primed matting film comprises film body, where film body comprises antibacterial agent layer, matting layer, antistatic layer, support layer, adhesive layer and anti-blocking agent layer.

YANG D

Guided tissue regeneration film comprises film body, which is formed by stacking and thermally processing multiple layers of as-cast films, where as-cast films being composited by thermoplastic degradable polymers and active fillers.

BAI J, WANG X, ZHENG Y, PAN Y, WENDOURIGA, XUE F, CHENG Z