国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D007/01（2）
发明人 ZHANG S（2）
公开年 2023（2）
申请年 2022（2）
专利权人

Preparing photo thermal conversion film with controllable thickness of graphene layer useful for e.g. cold and alpine regions, arid and semi-arid areas, comprises paving, using carbon dioxide laser to irradiate microporous polyether sulfone film, repeating operation, and spreading composite film.

YANG L, JIANG C, SONG Y, LI N, ZHANG S, WANG Z

Coating-free biaxially stretched polyester window film comprises outer surface layer made of organosilicon-modified polyester masterbatch, organic fluorine-modified polyester masterbatch, core layer made of polyester ultraviolet barrier masterbatch and polyester water-oxygen barrier masterbatch.

SHI L, DING D, HUANG J, SUN S, ZHANG S, WANG H