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CH521412A - Process for the production of foams - Google Patents

Process for the production of foams

Info

Publication number
CH521412A
CH521412A CH910169A CH910169A CH521412A CH 521412 A CH521412 A CH 521412A CH 910169 A CH910169 A CH 910169A CH 910169 A CH910169 A CH 910169A CH 521412 A CH521412 A CH 521412A
Authority
CH
Switzerland
Prior art keywords
foams
production
Prior art date
Application number
CH910169A
Other languages
German (de)
Inventor
Heinz Dr Schultheis
Ernst Dr Grigat
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 CH521412A publication Critical patent/CH521412A/en

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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CH910169A 1968-07-12 1969-06-13 Process for the production of foams CH521412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681770865 DE1770865A1 (en) 1968-07-12 1968-07-12 Process for the production of foams

Publications (1)

Publication Number Publication Date
CH521412A true CH521412A (en) 1972-04-15

Family

ID=5700673

Family Applications (1)

Application Number Title Priority Date Filing Date
CH910169A CH521412A (en) 1968-07-12 1969-06-13 Process for the production of foams

Country Status (4)

Country Link
CH (1) CH521412A (en)
DE (1) DE1770865A1 (en)
FR (1) FR2012902A1 (en)
GB (1) GB1247207A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077319A (en) * 1990-05-18 1991-12-31 Hexcel Corporation Cyanate resin-based foams
US8796346B1 (en) * 2011-03-22 2014-08-05 Sandia Corporation Method of making a cyanate ester foam

Also Published As

Publication number Publication date
FR2012902A1 (en) 1970-03-27
DE1770865A1 (en) 1972-01-13
GB1247207A (en) 1971-09-22

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Legal Events

Date Code Title Description
PL Patent ceased