CA1131399A - Polyimides - Google Patents

Polyimides

Info

Publication number
CA1131399A
CA1131399A CA319,961A CA319961A CA1131399A CA 1131399 A CA1131399 A CA 1131399A CA 319961 A CA319961 A CA 319961A CA 1131399 A CA1131399 A CA 1131399A
Authority
CA
Canada
Prior art keywords
foam
precursor
artifact
copolyimide
polyimide
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
CA319,961A
Other languages
English (en)
French (fr)
Inventor
John Gagliani
Original Assignee
International Harverster 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
Priority claimed from US05/935,378 external-priority patent/US4241193A/en
Application filed by International Harverster Corp filed Critical International Harverster Corp
Application granted granted Critical
Publication of CA1131399A publication Critical patent/CA1131399A/en
Expired 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085—Use of fibrous compounding ingredients
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CA319,961A 1978-02-13 1979-01-19 Polyimides Expired CA1131399A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US87751678A 1978-02-13 1978-02-13
US877,516 1978-02-13
US05/935,378 US4241193A (en) 1978-08-21 1978-08-21 Polyimides
US935,378 1986-11-26

Publications (1)

Publication Number Publication Date
CA1131399A true CA1131399A (en) 1982-09-07

Family

ID=27128445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319,961A Expired CA1131399A (en) 1978-02-13 1979-01-19 Polyimides

Country Status (4)

Country Link
CA (1) CA1131399A (enExample)
DE (1) DE2903347C2 (enExample)
FR (1) FR2416914A1 (enExample)
GB (1) GB2014166B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02127448A (ja) * 1988-09-06 1990-05-16 Imi Tech Corp 再硬化できる、硬化したセルラー材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3726834A (en) * 1972-07-03 1973-04-10 Int Harvester Co Thermoplastic copolyimides
US3793281A (en) * 1972-07-14 1974-02-19 Int Harvester Co Thermoplastic copolyimides
US3966652A (en) * 1974-11-11 1976-06-29 International Harvester Company Method of making foamed copolyimides and product obtained therefrom

Also Published As

Publication number Publication date
FR2416914B1 (enExample) 1983-10-28
DE2903347C2 (de) 1984-11-29
GB2014166A (en) 1979-08-22
DE2903347A1 (de) 1979-08-23
GB2014166B (en) 1983-02-23
FR2416914A1 (fr) 1979-09-07

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Legal Events

Date Code Title Description
MKEX Expiry