国家/地区
IPC部 B（2）
IPC大类 B32（2） C08（2）
IPC小类 B32B（2）
IPC C08K005/053（2）
发明人
公开年
申请年 2022（2）
专利权人

Three-layer composite biodegradable film with sustained release function useful in agricultural mulching film field, comprises three-layer structure consisting of slow-release films and degradable films alternately, where degradable film is middle layer.

SUN J, GU X, ZHANG S, CHEN J, LI H

Manufacture of packaging film for e.g. detergent, involves applying non-solvent two-component adhesive composition to base film on which printed layer is formed, drying, laminating base film, aging and processing film into desired shape.

JEONG H R, LEE D H