FR2368511A1 - Nouveau procede de preparation de polybenzoxazoles - Google Patents

Nouveau procede de preparation de polybenzoxazoles

Info

Publication number
FR2368511A1
FR2368511A1 FR7632128A FR7632128A FR2368511A1 FR 2368511 A1 FR2368511 A1 FR 2368511A1 FR 7632128 A FR7632128 A FR 7632128A FR 7632128 A FR7632128 A FR 7632128A FR 2368511 A1 FR2368511 A1 FR 2368511A1
Authority
FR
France
Prior art keywords
pref
degrees
esp
polybenzoxazole
aminophenol
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.)
Granted
Application number
FR7632128A
Other languages
English (en)
Other versions
FR2368511B1 (fr
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.)
KORSHAK VASILY
Original Assignee
KORSHAK VASILY
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 KORSHAK VASILY filed Critical KORSHAK VASILY
Priority to FR7632128A priority Critical patent/FR2368511A1/fr
Publication of FR2368511A1 publication Critical patent/FR2368511A1/fr
Application granted granted Critical
Publication of FR2368511B1 publication Critical patent/FR2368511B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/22—Polybenzoxazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente invention concerne un procédé de préparation de polybenzoxazoles qui consiste à faire réagir des bis-orthoaminophénols sur des acides dicarboxyliques ou leurs dérivés, par fusion ou dans un milieu d'acide polyphorphorique à une température de 120 à 350 degrés c, caractérise en ce qu'on utilise comme bis-ortho-aminophénols un mélange composé de bis-ortho-aminophénol répondant à la formule générale suivante :
FR7632128A 1976-10-25 1976-10-25 Nouveau procede de preparation de polybenzoxazoles Granted FR2368511A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7632128A FR2368511A1 (fr) 1976-10-25 1976-10-25 Nouveau procede de preparation de polybenzoxazoles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7632128A FR2368511A1 (fr) 1976-10-25 1976-10-25 Nouveau procede de preparation de polybenzoxazoles

Publications (2)

Publication Number Publication Date
FR2368511A1 true FR2368511A1 (fr) 1978-05-19
FR2368511B1 FR2368511B1 (fr) 1979-02-23

Family

ID=9179165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632128A Granted FR2368511A1 (fr) 1976-10-25 1976-10-25 Nouveau procede de preparation de polybenzoxazoles

Country Status (1)

Country Link
FR (1) FR2368511A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498191B2 (en) 1998-01-26 2002-12-24 Mitokor Mitochondria protecting agents for treating mitochondria associated diseases

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498191B2 (en) 1998-01-26 2002-12-24 Mitokor Mitochondria protecting agents for treating mitochondria associated diseases

Also Published As

Publication number Publication date
FR2368511B1 (fr) 1979-02-23

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Legal Events

Date Code Title Description
ST Notification of lapse