FR997678A - Production de matériaux à structure cellulaire - Google Patents

Production de matériaux à structure cellulaire

Info

Publication number
FR997678A
FR997678A FR997678DA FR997678A FR 997678 A FR997678 A FR 997678A FR 997678D A FR997678D A FR 997678DA FR 997678 A FR997678 A FR 997678A
Authority
FR
France
Prior art keywords
materials
production
cellular structure
cellular
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
Other languages
English (en)
Inventor
Otto Bayer
Ernst Cauer
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
Application granted granted Critical
Publication of FR997678A publication Critical patent/FR997678A/fr
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
    • C08J9/04—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
    • C08J9/06—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 by a chemical blowing agent
    • C08J9/10—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 by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)
FR997678D 1949-04-05 1949-10-18 Production de matériaux à structure cellulaire Expired FR997678A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE997678X 1949-04-05

Publications (1)

Publication Number Publication Date
FR997678A true FR997678A (fr) 1952-01-09

Family

ID=6919001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997678D Expired FR997678A (fr) 1949-04-05 1949-10-18 Production de matériaux à structure cellulaire

Country Status (1)

Country Link
FR (1) FR997678A (fr)

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