GB2014166B - Polyimide foams - Google Patents

Polyimide foams

Info

Publication number
GB2014166B
GB2014166B GB7903542A GB7903542A GB2014166B GB 2014166 B GB2014166 B GB 2014166B GB 7903542 A GB7903542 A GB 7903542A GB 7903542 A GB7903542 A GB 7903542A GB 2014166 B GB2014166 B GB 2014166B
Authority
GB
United Kingdom
Prior art keywords
polyimide foams
foams
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
GB7903542A
Other versions
GB2014166A (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.)
Navistar Inc
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
Publication of GB2014166A publication Critical patent/GB2014166A/en
Application granted granted Critical
Publication of GB2014166B publication Critical patent/GB2014166B/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)
GB7903542A 1978-02-13 1979-02-01 Polyimide foams Expired GB2014166B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87751678A 1978-02-13 1978-02-13
US05/935,378 US4241193A (en) 1978-08-21 1978-08-21 Polyimides

Publications (2)

Publication Number Publication Date
GB2014166A GB2014166A (en) 1979-08-22
GB2014166B true GB2014166B (en) 1983-02-23

Family

ID=27128445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903542A Expired GB2014166B (en) 1978-02-13 1979-02-01 Polyimide foams

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02127448A (en) * 1988-09-06 1990-05-16 Imi Tech Corp Rehardenable hardened cellular material

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
GB2014166A (en) 1979-08-22
CA1131399A (en) 1982-09-07
FR2416914B1 (en) 1983-10-28
FR2416914A1 (en) 1979-09-07
DE2903347C2 (en) 1984-11-29
DE2903347A1 (en) 1979-08-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee