CH503769A - Procédé de préparation d'acides polyamiques - Google Patents

Procédé de préparation d'acides polyamiques

Info

Publication number
CH503769A
CH503769A CH1542767A CH1542767A CH503769A CH 503769 A CH503769 A CH 503769A CH 1542767 A CH1542767 A CH 1542767A CH 1542767 A CH1542767 A CH 1542767A CH 503769 A CH503769 A CH 503769A
Authority
CH
Switzerland
Prior art keywords
aromatic
prepd
org
condensing
iii
Prior art date
Application number
CH1542767A
Other languages
English (en)
Inventor
Francis Vaughan Mervyn
Original Assignee
Nat Res Dev
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 GB1529266A external-priority patent/GB1162203A/en
Priority claimed from GB1324467A external-priority patent/GB1207485A/en
Application filed by Nat Res Dev filed Critical Nat Res Dev
Publication of CH503769A publication Critical patent/CH503769A/fr

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
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
    • C08G73/1032—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous characterised by the solvent(s) used
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CH1542767A 1966-04-06 1967-11-03 Procédé de préparation d'acides polyamiques CH503769A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1529266A GB1162203A (en) 1966-04-06 1966-04-06 Production of Polyamic Acids and Polyimides
GB4960866 1966-11-04
GB1324467A GB1207485A (en) 1966-11-04 1966-11-04 Production of polyamic acids

Publications (1)

Publication Number Publication Date
CH503769A true CH503769A (fr) 1971-02-28

Family

ID=27256976

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1542767A CH503769A (fr) 1966-04-06 1967-11-03 Procédé de préparation d'acides polyamiques

Country Status (1)

Country Link
CH (1) CH503769A (fr)

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Legal Events

Date Code Title Description
PLZ Patent of addition ceased