BE828122A - Procede de fabrication de materiaux multicellulaires thermostables - Google Patents

Procede de fabrication de materiaux multicellulaires thermostables

Info

Publication number
BE828122A
BE828122A BE155557A BE155557A BE828122A BE 828122 A BE828122 A BE 828122A BE 155557 A BE155557 A BE 155557A BE 155557 A BE155557 A BE 155557A BE 828122 A BE828122 A BE 828122A
Authority
BE
Belgium
Prior art keywords
thermostable
manufacturing
multicellular
materials
multicellular materials
Prior art date
Application number
BE155557A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE828122A publication Critical patent/BE828122A/xx

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
    • C08J9/16—Making expandable particles
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • 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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
BE155557A 1974-04-19 1975-04-18 Procede de fabrication de materiaux multicellulaires thermostables BE828122A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413693A FR2268043A1 (en) 1974-04-19 1974-04-19 Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agent

Publications (1)

Publication Number Publication Date
BE828122A true BE828122A (fr) 1975-10-20

Family

ID=9137865

Family Applications (1)

Application Number Title Priority Date Filing Date
BE155557A BE828122A (fr) 1974-04-19 1975-04-18 Procede de fabrication de materiaux multicellulaires thermostables

Country Status (2)

Country Link
BE (1) BE828122A (US06174465-20010116-C00003.png)
FR (1) FR2268043A1 (US06174465-20010116-C00003.png)

Also Published As

Publication number Publication date
FR2268043B1 (US06174465-20010116-C00003.png) 1979-01-26
FR2268043A1 (en) 1975-11-14

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