CH482757A - Process for preparing polyamic acid - Google Patents

Process for preparing polyamic acid

Info

Publication number
CH482757A
CH482757A CH488767A CH488767A CH482757A CH 482757 A CH482757 A CH 482757A CH 488767 A CH488767 A CH 488767A CH 488767 A CH488767 A CH 488767A CH 482757 A CH482757 A CH 482757A
Authority
CH
Switzerland
Prior art keywords
polyamic acid
preparing polyamic
preparing
acid
polyamic
Prior art date
Application number
CH488767A
Other languages
French (fr)
Inventor
Francis Vaughan Mervyn
Idris Jones John
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
Application filed by Nat Res Dev filed Critical Nat Res Dev
Publication of CH482757A publication Critical patent/CH482757A/en

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
    • C08G73/1089—Polyisoimides
    • 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

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)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CH488767A 1966-04-06 1967-04-06 Process for preparing polyamic acid CH482757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1529266A GB1162203A (en) 1966-04-06 1966-04-06 Production of Polyamic Acids and Polyimides

Publications (1)

Publication Number Publication Date
CH482757A true CH482757A (en) 1969-12-15

Family

ID=10056480

Family Applications (1)

Application Number Title Priority Date Filing Date
CH488767A CH482757A (en) 1966-04-06 1967-04-06 Process for preparing polyamic acid

Country Status (6)

Country Link
BE (1) BE696713A (en)
CH (1) CH482757A (en)
DE (1) DE1745180A1 (en)
FR (1) FR1550077A (en)
GB (1) GB1162203A (en)
NL (1) NL6704840A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2077433A1 (en) * 1970-01-31 1971-10-22 Dynamit Nobel Ag

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1168494A (en) * 1967-04-14 1969-10-29 Monsanto Chemicals Production of Fluorine-Containing Polymers
US3962278A (en) 1970-12-11 1976-06-08 Westinghouse Electric Corporation N,n'bis(phthalic anhydride) diimides
FR2560601A1 (en) * 1984-03-05 1985-09-06 Rogers Corp CO-SOLVENT ACCELERATOR AND PROCESS FOR TRANSFORMING A POLYIMIDE POLYAMIDE-ACID SOLUTION
DE4001445A1 (en) * 1990-01-19 1991-07-25 Basf Lacke & Farben METHOD FOR PRODUCING POLYAMID ACIDS AND POLYIMIDES
KR101831009B1 (en) 2010-07-14 2018-02-21 우베 고산 가부시키가이샤 Aqueous polyimide precursor solution composition and method for producing aqueous polyimide precursor solution composition
JP5834930B2 (en) 2011-09-09 2015-12-24 宇部興産株式会社 Polyimide precursor aqueous solution composition and method for producing polyimide precursor aqueous solution composition
JP5845911B2 (en) 2012-01-13 2016-01-20 宇部興産株式会社 Polyimide precursor aqueous solution composition and method for producing polyimide precursor aqueous solution composition
CN114085380B (en) * 2021-12-06 2023-09-19 万华化学集团股份有限公司 Thermoplastic polyimide resin and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2077433A1 (en) * 1970-01-31 1971-10-22 Dynamit Nobel Ag

Also Published As

Publication number Publication date
BE696713A (en) 1967-09-18
NL6704840A (en) 1967-10-09
FR1550077A (en) 1968-12-20
GB1162203A (en) 1969-08-20
DE1745180A1 (en) 1971-08-05

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Legal Events

Date Code Title Description
PL Patent ceased