POLYESTERIMIDE AND POLYESTERAMIDE ACID - MITSUBISHI GAS CHEMICAL CO

Title:

POLYESTERIMIDE AND POLYESTERAMIDE ACID

Document Type and Number:

Japanese Patent JP2023108494

Kind Code:

A

Abstract:

To provide a polyesterimide with excellent thermal stability and high elongation, a method for producing the same, and a polyesteramide acid that is a precursor of the polyesterimide.SOLUTION: A polyesterimide has repeating units represented by the general formula (1) in the figure. (In the formula (1), X includes a divalent group represented by the formula (X1) in the figure and a divalent group represented by the formula (X2) in the figure, where the molar ratio of the divalent group represented by the formula (X1) to the divalent group represented by Formula (X2) [(X1)/(X2)] is 30/70 to 95/5.)SELECTED DRAWING: None

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Inventors:

KIMURA NAOKI
ASAI YUIGA
HIKICHI TATSUYA

Application Number:

JP2022009645A

Publication Date:

August 04, 2023

Filing Date:

January 25, 2022

Export Citation:

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Assignee:

MITSUBISHI GAS CHEMICAL CO

International Classes:

C08G73/16

Attorney, Agent or Firm:

Patent Attorney Corporation Otani Patent Office

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