GB8505493D0 - Co-solvent accelerator - Google Patents

Co-solvent accelerator

Info

Publication number
GB8505493D0
GB8505493D0 GB858505493A GB8505493A GB8505493D0 GB 8505493 D0 GB8505493 D0 GB 8505493D0 GB 858505493 A GB858505493 A GB 858505493A GB 8505493 A GB8505493 A GB 8505493A GB 8505493 D0 GB8505493 D0 GB 8505493D0
Authority
GB
United Kingdom
Prior art keywords
solvent accelerator
accelerator
solvent
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.)
Withdrawn
Application number
GB858505493A
Other versions
GB2157303A (en
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.)
Rogers Corp
Original Assignee
Rogers Corp
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 Rogers Corp filed Critical Rogers Corp
Publication of GB8505493D0 publication Critical patent/GB8505493D0/en
Publication of GB2157303A publication Critical patent/GB2157303A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
GB08505493A 1984-03-05 1985-03-04 Co-solvent accelerator and method for conversion of polyamide-acid, solution to polylmide Withdrawn GB2157303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58622184A 1984-03-05 1984-03-05

Publications (2)

Publication Number Publication Date
GB8505493D0 true GB8505493D0 (en) 1985-04-03
GB2157303A GB2157303A (en) 1985-10-23

Family

ID=24344821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08505493A Withdrawn GB2157303A (en) 1984-03-05 1985-03-04 Co-solvent accelerator and method for conversion of polyamide-acid, solution to polylmide

Country Status (4)

Country Link
JP (1) JPS60210628A (en)
DE (1) DE3507790A1 (en)
FR (1) FR2560601A1 (en)
GB (1) GB2157303A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317049A (en) * 1993-06-21 1994-05-31 Occidental Chemical Corporation Polyimidesiloxane solution and method of coating substrates

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202981C2 (en) * 1959-04-01 1975-06-12 Du Pont PROCESS FOR MANUFACTURING AROMATIC POLYIMIDE SHAPED BODIES
GB980274A (en) * 1962-01-26 1965-01-13 Du Pont Preparation of polyimides
US3242128A (en) * 1962-07-30 1966-03-22 Du Pont Coating compositions comprising aromatic polyamic acid and solvent therefor with viscosity stabilizing agent therefor
US3342774A (en) * 1964-01-20 1967-09-19 Du Pont Direct preparation of aromatic polyimides
GB1162203A (en) * 1966-04-06 1969-08-20 Nat Res Dev Production of Polyamic Acids and Polyimides
GB1207485A (en) * 1966-11-04 1970-10-07 Nat Res Dev Production of polyamic acids
US3496132A (en) * 1966-05-05 1970-02-17 Gen Electric Viscosity control additives in polyamide acid solutions
US3663510A (en) * 1969-05-08 1972-05-16 Gen Electric Process for producing polyamide coating materials
DE2357297C3 (en) * 1973-11-16 1978-09-21 Akzo Gmbh, 5600 Wuppertal Process for the production of polyamide carboxylic acids

Also Published As

Publication number Publication date
GB2157303A (en) 1985-10-23
JPS60210628A (en) 1985-10-23
FR2560601A1 (en) 1985-09-06
DE3507790A1 (en) 1985-09-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)