国家/地区 韩国（9）
IPC部 C（9） B（4） H（2）
IPC大类 C08（9）
IPC小类 C08G（9）
IPC C08K003/04（5） C08G073/10（3） B32B027/28（2）
C08J003/075（2） C08J005/18（2） C08K003/013（2）
C08K003/26（2） C08K009/04（2） C08K009/08（2）
C08L079/08（2） C08L101/00（2） H01M010/0565（2）
发明人
公开年 2023（7） 2022（2）
申请年 2022（9）
专利权人 PI ADVANCED .（3）

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

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

New ethynyl benzene-based crosslinking precursor used for copolymer of gel polymer electrolyte used in electrochemical device.

KIM T H, KIM S H, JANG J K, LEE J Y, JANG J G

Polymer layer derived composition useful in a display device, comprises e.g. polyborondimethylsiloxane, benzoyl peroxide, fumed silica, glass fibers, glass powder, carbon nanotubes, graphene oxide, carbonyl iron, calcium carbonate, zinc oxide, silicone elastomer and polydimethylsiloxane.

HWANG S, LEE J, WU X, KIM J, KIM Y, SHIN H, YU W, YU W R, SHIN H J, SONG K Y, KIM J S, OH H J

Preparing hydrogel for energy storage device, involves forming pre-gel comprising polymer and metal salt particles, shrinking and dehydrating pre-gel and impregnating shrunk and dehydrated pre-gel with ion solution to cross-link and rehydrate shrunk and dehydrated pre-gel to produce hydrogel.

JI D, KIM J Y, HWAN J D

Two-component urea-bond-containing coating composition used for forming coating film for marking pavement surface, comprises main agent containing diethyl aspartate, acrylate modified amine, and polyaspartic acid ester amine, and curing agent containing aliphatic polyisocyanate.

KIMJAEHAK, KIM H G, LEE D

Composition used for three-dimensional printing e.g. additive manufacturing, comprises particles comprising thermoplastic polymer grafted to carbon nanomaterial, and particles have preset aerated density.

FARRUGIA V M, SRISKANDHA S E, CLARIDGE R, SRISKANDAR S E, EMPARUZIA V, SIBANTIISWARISLISKANDA

Waterborne epoxy curing agent used in coatings, comprises reaction product of amine(s) having at least one moiety containing divalent hydrocarbon group, and tertiary amino group and primary amino group per molecule, and polyether polyol modified epoxide(s) which have one or more epoxide groups.

WAKITA K, WAKITA G