国家/地区 中国（6）
IPC部 B（6）
IPC大类 B32（6） C08（6） H01（3）
H05（2）
IPC小类 B32B（6）
IPC C08K003/04（6）
发明人 BAI Y（2） GAO D（2） LV Y（2）
QUAN H（2） XU M（2）
公开年 2021（2） 2023（2）
申请年 2020（3）  2021（2） 
专利权人 BEIJING RES .（2） CHINA PETROL.（2）

Antistatic polypropylene composite film useful in packaging materials, comprises at least first film layer formed from a polypropylene composition and second film layer formed from a polypropylene composition.

BAI Y, XU K, CHU L, LV Y, REN Y, GAO D, XU M, QUAN H

Electromagnetic shielding polypropylene composite film useful in field of packaging material, comprises at least one film layer formed from homopolypropylene, propylene impact copolymer and polyolefin elastomer, and at least one film layer formed from e.g. random polypropylene.

CHOU B, BAI Y, DONG M, QUAN H, GAO D, XU M, LV Y

Composition for solar back sheet, comprises polypropylene, polyethylene, fillers, additives, polyethylene copolymer, and filler.

JIAO H, CAI S

Preparation black masterbatch comprises preparing using twin-screw extruder, conventional kneading blocks, conveying blocks, special multi-head kneading thread element, and toothed disk.

LIAO G, LIU Y, LIN X, JIA L, LI Z, CHEN X

Heat-conducting packaging film useful for preparing solar battery assembly comprises upper surface layer and/or lower surface layer attached to surface of main heat-conducting layer.

YAN S, WANG L, ZHENG Y, HAN X, CHEN H, WU X

Plastic cover material for cable trenches, is prepared by laminating flame-retardant reinforced layer containing graphene/glass composite fiber, and aluminum hydroxide, foam layer and wear-resistant reinforced layer, and hot pressing.

YAN L, YUAN K, LUO Y, WEN Z, LUO C, JI L, GE J, ZHAO W, ZHANG M, CUI R