Title:
NOVEL DIAMINE, AND POLYMER AND FILM PRODUCED THEREWITH
Document Type and Number:
Japanese Patent JP2023053917
Kind Code:
A
Abstract:
To provide a novel diamine as a monomer for providing a polyimide film, which can achieve excellent optical and mechanical properties at the same time and a method for producing the same.SOLUTION: The present invention provides a diamine represented by a formula 1. (R1 and R2 each independently represent (C2-C20) alkyl, (C1-C20) alkoxy, halo (C1-C20) alkyl, (C1-C20) alkylcarbonyl, (C1-C20) alkoxycarbonyl or the like; R3 is (C1-C20) alkyl, (C1-C20) alkoxy, halo (C1-C20) alkyl, (C1-C20) alkylcarbonyl or the like; Ra is H, (C1-C20) alkyl, or (C6-C20) aryl; a and b independently represent an integer of 1-4; c is an integer of 0-4; p is an integer of 1-3).SELECTED DRAWING: None
Inventors:
CHO HYUN KYU
PARK JIN HYUNG
KWAK HYO SHIN
JEON SEUNG MIN
KIM JONG CHAN
LEE JOO HYUN
PARK JIN HYUNG
KWAK HYO SHIN
JEON SEUNG MIN
KIM JONG CHAN
LEE JOO HYUN
Application Number:
JP2022155353A
Publication Date:
April 13, 2023
Filing Date:
September 28, 2022
Export Citation:
Assignee:
SK INNOVATION CO LTD
SK IE TECH CO LTD
SK IE TECH CO LTD
International Classes:
C07C237/40; C07C231/12; C07C237/42; C07C237/44; C08G73/10; C08L79/08
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Kazuyoshi
Hayashi Kazuyoshi
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