国家/地区 中国（5）
IPC部 B（5） C（3）
IPC大类 B32（5） B65（5） C08（3）
B29（2） C09（2）
IPC小类 B32B（5）
IPC B32B027/08（5）
发明人
公开年 2023（5）
申请年 2022（4） 
专利权人

Composite film for medicine bag, has composite film main body whose inner side wall is provided with barrier layer, where barrier layer comprises BOPP film and UV separating graphene fluorocarbon ink whose side is adhered with PET film.

GUO Z, DAI E, GENG Q, ZHOU Z

Preparing medicine packaging composite film with super peel strength used in medicine industry, by adding high-pressure polyethylene and linear low-density polyethylene in mixer, carrying out high-speed mixing, screw extrusion molding, cooling, modifying and ultrasonically processing.

SUN E, SUN Z, LI W, SHI S, ZHANG L

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

High ductility and high temperature resistant composite food packaging film useful for food packaging or food preserving, comprises modified composite film layer which is base modified film layer, maleic anhydride graft polyethylene resin film middle layer and polyethylene outer film layer.

CHEN C

Composite film for medicine with high friction function, comprises polyester film, aluminum foil layer, and polyethylene film, where lower part of polyester is fixed with ink layer, where bottom of ink layer is connected with aluminum layer.

LI Y