国家/地区 中国（13）
IPC部 B（13）
IPC大类 B32（13）
IPC小类 B32B（13）
IPC C08K003/04（10） B32B033/00（9） H05K009/00（6）
B32B027/20（5） B32B027/06（4） C08J005/18（4）
H05K001/03（4） B32B009/00（3） B32B009/04（3）
B32B015/14（3） B32B027/30（3） B32B027/32（3）
B32B015/20（2） B32B017/02（2） B32B027/04（2）
发明人 BAI Y（2） CHEN K（2） GAO D（2）
LV Y（2） QUAN H（2） XU M（2）
YU D（2）
公开年 2022（6） 2021（5） 2023（2）
申请年 2021（13）
专利权人 BEIJING RES .（2） CHINA PETROL.（2） ITEQ WUXI EL.（2） UNIV SICHUAN（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

Low-expansion coefficient halogen-free resin composition useful in laminate for printed circuit board, comprises e.g. o-cresol formaldehyde epoxy resin, bismaleimide resin, cyanate ester hardener and bisphenol A type 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide hardener.

CHEN K, YU D

Low-expansion coefficient halogen-free resin composition useful in laminate and printed circuit board, comprises e.g. o-cresol epoxy resin, bis(4-maleimidophenyl)methane, polyvalent hydroxy-modified styrene resin, phosphinate and cyanate ester hardener.

CHEN K, YU D

Preparing graphene solar cell back sheet involves preparing the raw material of graphene-polyethylene composite master batch in proportion, where raw materials include polyethylene powder, graphene material, and additives.

MA L, SHA X, SHA Y

Preparing silicone rubber electromagnetic shielding complex material with three-layer structure comprises e.g. mixing raw silicone rubber, 2,5-dimethyl-2,5-bishexane, zinc oxide, stearic acid, and white carbon black, cutting into sheets, adhering all sheets, hot pressing, and curing.

JI Z, ZHANG M, MA J, LI X, ZHANG T, SHAO L

Triboelectric nanogenerator used for flow guiding device, has a flexible conductive layer, comprises a first surface and a second surface, first friction layer on the first surface of the flexible conductive layer second friction layer, located on the second surface of the flexible conductive layer.

MA W, DING C, WANG X, HONG L, XU Z

Preparing electromagnetic shielding composite material with multi-layer gradient isolation network comprises forming first ball milling product, second premix, third premix and fourth premix, obtaining hot press forming product and overlapping hot pressing from up to down.

GUO S, GUO Y, WU H

High-absorption electromagnetic shielding composite film for preparation of electromagnetic shielding materials, is double-layer composite film made of film made of porous carbon material and polymer matrix material, and another film made of conductive material and polymer matrix material.

SHEN L, ZHANG H, CHEN Y, FEI Y, YUAN M, ZOU H

Resin composition used to form dielectric substrate layer and prepreg used to form printed circuit board, comprises polymeric based material and fillers comprising hollow fillers comprising hollow filler, and material of hollow filler is silicon dioxide.

CHANG C, WU Y, ZHANG C