NOVEL TETRACARBOXYLIC DIANHYDRIDE, AND POLYIMIDE AND POLYIMIDE COPOLYMER OBTAINED FROM SAID ACID DIANHYDRIDE

Title:

NOVEL TETRACARBOXYLIC DIANHYDRIDE, AND POLYIMIDE AND POLYIMIDE COPOLYMER OBTAINED FROM SAID ACID DIANHYDRIDE

Document Type and Number:

WIPO Patent Application WO/2016/148150

Kind Code:

A1

Abstract:

A tetracarboxylic dianhydride represented by formula (1), and a polyimide or polyimide copolymer produced from this tetracarboxylic dianhydride, are used. This makes it possible to provide a polyimide and a polyimide copolymer having exceptional solvent solubility (solvent processability) and heat resistance, as well as a polyimide film containing the same.

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Inventors:

ISHII JUNICHI (JP)
HASEGAWA MASATOSHI (JP)

Application Number:

PCT/JP2016/058182

Publication Date:

September 22, 2016

Filing Date:

March 15, 2016

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Assignee:

TAOKA CHEMICAL CO LTD (JP)
TOHO UNIV (JP)

International Classes:

C07D407/14; C08G73/10; C08J5/18

Foreign References:

US20150344626A1	2015-12-03
JP2004182757A	2004-07-02
JP2006336009A	2006-12-14

Attorney, Agent or Firm:

YAMAMOTO, TERU (JP)
Yamamoto 輝 (JP)

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