国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC C08L005/04（2）
发明人
公开年
申请年
专利权人

Continuously rolling and molding polyvinyl chloride/graphene composite film useful for producing high molecular material film and sheet, comprises e.g. passing mixture into internal mixer through cold mixer under pressure of the floating weight, and plasticizing by two counter-rotating rotors.

GUO Y, ZHAO K, CHEN H, WANG A, ZHANG D, LI W, WU L, HU W

Environment-friendly and recyclable soft packaging material comprises dextran, straw fiber, dispersant, sodium alginate, oligomerization poly(vinyl alcohol) and polyethylene glycol.

BIAN S, ZHOU L