FR2318196A1 - Composition d'agent de soufflage a base d'uree et d'anhydrides d'acides, utilisable pour la production d'articles cellulaires et poreux - Google Patents

Composition d'agent de soufflage a base d'uree et d'anhydrides d'acides, utilisable pour la production d'articles cellulaires et poreux

Info

Publication number
FR2318196A1
FR2318196A1 FR7621681A FR7621681A FR2318196A1 FR 2318196 A1 FR2318196 A1 FR 2318196A1 FR 7621681 A FR7621681 A FR 7621681A FR 7621681 A FR7621681 A FR 7621681A FR 2318196 A1 FR2318196 A1 FR 2318196A1
Authority
FR
France
Prior art keywords
blowing agent
thermoplast
corrosive
urea
liberating
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.)
Granted
Application number
FR7621681A
Other languages
English (en)
French (fr)
Other versions
FR2318196B3 (es
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2318196A1 publication Critical patent/FR2318196A1/fr
Application granted granted Critical
Publication of FR2318196B3 publication Critical patent/FR2318196B3/fr
Granted 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

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
FR7621681A 1975-07-15 1976-07-15 Composition d'agent de soufflage a base d'uree et d'anhydrides d'acides, utilisable pour la production d'articles cellulaires et poreux Granted FR2318196A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752531630 DE2531630A1 (de) 1975-07-15 1975-07-15 Treibmittelkombination auf basis harnstoff und saeureanhydriden

Publications (2)

Publication Number Publication Date
FR2318196A1 true FR2318196A1 (fr) 1977-02-11
FR2318196B3 FR2318196B3 (es) 1979-04-06

Family

ID=5951574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621681A Granted FR2318196A1 (fr) 1975-07-15 1976-07-15 Composition d'agent de soufflage a base d'uree et d'anhydrides d'acides, utilisable pour la production d'articles cellulaires et poreux

Country Status (7)

Country Link
JP (1) JPS5212276A (es)
BE (1) BE844032A (es)
BR (1) BR7604584A (es)
DE (1) DE2531630A1 (es)
ES (1) ES449816A1 (es)
FR (1) FR2318196A1 (es)
NL (1) NL7607790A (es)

Also Published As

Publication number Publication date
BR7604584A (pt) 1977-08-02
BE844032A (fr) 1977-01-12
FR2318196B3 (es) 1979-04-06
DE2531630A1 (de) 1977-02-03
ES449816A1 (es) 1977-08-01
NL7607790A (nl) 1977-01-18
JPS5212276A (en) 1977-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse