FR1485931A - Polyimides and their preparation process - Google Patents

Polyimides and their preparation process

Info

Publication number
FR1485931A
FR1485931A FR67735A FR67735A FR1485931A FR 1485931 A FR1485931 A FR 1485931A FR 67735 A FR67735 A FR 67735A FR 67735 A FR67735 A FR 67735A FR 1485931 A FR1485931 A FR 1485931A
Authority
FR
France
Prior art keywords
polyimides
preparation process
preparation
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.)
Expired
Application number
FR67735A
Other languages
French (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.)
Rhodiaceta SA
Original Assignee
Rhodiaceta SA
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
Priority claimed from CH932165A external-priority patent/CH466924A/en
Application filed by Rhodiaceta SA filed Critical Rhodiaceta SA
Priority to FR67735A priority Critical patent/FR1485931A/en
Application granted granted Critical
Publication of FR1485931A publication Critical patent/FR1485931A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular 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
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003Preparatory processes
    • C08G73/1035Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/34Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/343Polycarboxylic acids having at least three carboxylic acid groups
    • C08G18/346Polycarboxylic acids having at least three carboxylic acid groups having four carboxylic acid groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR67735A 1965-07-02 1966-06-30 Polyimides and their preparation process Expired FR1485931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR67735A FR1485931A (en) 1965-07-02 1966-06-30 Polyimides and their preparation process

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH932165A CH466924A (en) 1965-07-02 1965-07-02 Polyimide manufacturing process
CH1448565A CH472453A (en) 1965-07-02 1965-10-20 Polyimide manufacturing process
FR67735A FR1485931A (en) 1965-07-02 1966-06-30 Polyimides and their preparation process

Publications (1)

Publication Number Publication Date
FR1485931A true FR1485931A (en) 1967-06-23

Family

ID=27176199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67735A Expired FR1485931A (en) 1965-07-02 1966-06-30 Polyimides and their preparation process

Country Status (1)

Country Link
FR (1) FR1485931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512826A1 (en) * 1981-09-17 1983-03-18 Hitachi Chemical Co Ltd Heat resistant resin insulating compsn. - prepd. by reacting poly:isocyanate and poly:carboxylic acid in organic solvent and adding active hydrogen cpd.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512826A1 (en) * 1981-09-17 1983-03-18 Hitachi Chemical Co Ltd Heat resistant resin insulating compsn. - prepd. by reacting poly:isocyanate and poly:carboxylic acid in organic solvent and adding active hydrogen cpd.

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