国家/地区 中国（3）
IPC部 B（3） C（2）
IPC大类 B29（3） B32（3） C08（2）
C09（2）
IPC小类 B29C（3）
IPC B29C048/08（3）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

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

Preparing thermoplastic elastomer oil bag cloth useful for storing and transporting petroleum, and various fuel, comprises e.g. using padding machine to process base cloth, extruding excess rubber by roll, and carrying out surface polarization and crosslinking treatment on coating layer.

LI J, LI B

Film-coated board comprises anti-corrosion bottom sequentially, metal plate, hot melt adhesive film and polymer waterproof coiled material, high molecular waterproofing membrane and hot-melt adhesive film are respectively added with silicon micropowder.

ZHENG C, LI W, LI Z, HE M