国家/地区 世界知识产权组织（9）
IPC部 C（9）
IPC大类 C08（9）
IPC小类 C08G（9）
IPC C08J005/18（9）
发明人 WON D Y（2）
公开年 2021（3） 2019（2） 2023（2）
申请年 2020（2）  2021（2）  2022（2） 
专利权人 PI ADVANCED .（2）

Polyimide film is obtained by imidization reaction of polyamic acid containing quinoline and beta-picoline as imidation catalyst and acetic anhydride as dehydrating agent.

JUNG H, WON D, WON D Y

Polyimide film used in multilayer film and flexible metal clad laminate, is obtained by imidizing polyamic acid solution containing dianhydride component including e.g. biphenyltetracarboxylic dianhydride, and diamine component including e.g. m-tolidine, and comprises graphene nanoplatelets.

JEON J, YEO M, BACK S, LEE K, CHUN J, BAEK S, LEE K N

Condensation curable composition for use in cured silicone-imide material for article in aerospace device, electronic device, electronic component, automobile, insulation, coating, or solvent resistant membrane, comprises silicone-imide base polymer, crosslinker, and condensation cure catalyst.

KONWAR D B, FUJIMOTO T, MANDAL S

Polyurethane composition used in polyurethane elastomer, comprises polyisocyanate component comprising isocyanate-terminated prepolymer obtained from reaction of polyol with 1,4-bis(isocyanatomethyl cyclohexane), or mixture of 1,4-bis(isocyanatomethyl cyclohexane), and isocyanate-reactive component.

SONG N

Graphene modified polyethylene terephthalate film material, comprises graphite, ethylene glycol as raw materials, and modified graphene prepared by ball milling in supercritical carbon dioxide atmosphere.

WU D, CHEN D, WU T

Highly transparent thermoplastic polyurethane film useful for protection of electronic products comprises polyester polyol, polyethylene glycol, fluorine-containing polyol, isophorone diisocyanate, chain extender and modified graphite oxide.

HE J, YANG B

Photosensitive polyimide resin composition comprises photosensitive polyimide derivative, photoinitiator, free radical polymeric compound, solvent, alumina, graphene, inorganic clay, silicon oxide and zinc oxide.

HUANG T, ZHUANG C, SHI Y, XIE K, HUANG T C, CHUANG C C, SHIH Y C, HSIEH K H

Polyimide film for forming graphite sheet for electronic device, is derived from precursor composition comprising polyamic acid, and comprises inorganic filler having sublimation property, and graphene-containing spherical polyimide filler.

KIM K S, CHOI J Y, WON D Y, JIN J, CUI Z, YUAN D

Preparing glue composition involves adding graphene powder and polymer monomer, where mixture is added with solvent.

CHEN Y, LI Y, ZHANG X, LEE Y