JPS5523146A - Preparation of heat resistant polymer - Google Patents

Preparation of heat resistant polymer

Info

Publication number
JPS5523146A
JPS5523146A JP9616778A JP9616778A JPS5523146A JP S5523146 A JPS5523146 A JP S5523146A JP 9616778 A JP9616778 A JP 9616778A JP 9616778 A JP9616778 A JP 9616778A JP S5523146 A JPS5523146 A JP S5523146A
Authority
JP
Japan
Prior art keywords
preparation
heat resistant
resistant polymer
compound
dialkoxycarbonylamino
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9616778A
Other languages
Japanese (ja)
Inventor
Hisao Yokokura
Fumio Nakano
Tadashi Ito
Teruo Kitamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9616778A priority Critical patent/JPS5523146A/en
Publication of JPS5523146A publication Critical patent/JPS5523146A/en
Pending legal-status Critical Current

Links

Landscapes

  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

PURPOSE: To prepare the title polymer having improved heat resistance, from easily handleable raw materials, without gelation, by reacting diamino dialkoxycarbonylamino terphenyl with a tetracarboxylic acid dianhydride.
CONSTITUTION: A polybenzimidazopyrrolone polymer IV is prepared by reacting a diamino dialkoxycarbonylamino terphenyl I (R is lower alkyl, allyl) (novel compound), e.g. a compound II, with a tetracarboxylic acid dianhydride or its derivative, e.g. a compound III, in a solvent.
COPYRIGHT: (C)1980,JPO&Japio
JP9616778A 1978-08-09 1978-08-09 Preparation of heat resistant polymer Pending JPS5523146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9616778A JPS5523146A (en) 1978-08-09 1978-08-09 Preparation of heat resistant polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9616778A JPS5523146A (en) 1978-08-09 1978-08-09 Preparation of heat resistant polymer

Publications (1)

Publication Number Publication Date
JPS5523146A true JPS5523146A (en) 1980-02-19

Family

ID=14157769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9616778A Pending JPS5523146A (en) 1978-08-09 1978-08-09 Preparation of heat resistant polymer

Country Status (1)

Country Link
JP (1) JPS5523146A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119993A (en) * 1973-03-22 1974-11-15
JPS49119989A (en) * 1973-03-22 1974-11-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119993A (en) * 1973-03-22 1974-11-15
JPS49119989A (en) * 1973-03-22 1974-11-15

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