CH504496A - Verfahren zur Herstellung von Polyamidverschäumungsgemischen - Google Patents

Verfahren zur Herstellung von Polyamidverschäumungsgemischen

Info

Publication number
CH504496A
CH504496A CH1369868A CH1369868A CH504496A CH 504496 A CH504496 A CH 504496A CH 1369868 A CH1369868 A CH 1369868A CH 1369868 A CH1369868 A CH 1369868A CH 504496 A CH504496 A CH 504496A
Authority
CH
Switzerland
Prior art keywords
production
foaming mixtures
polyamide
polyamide foaming
mixtures
Prior art date
Application number
CH1369868A
Other languages
English (en)
Inventor
Gilch Heinrich
Schnell Hermann
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 CH504496A publication Critical patent/CH504496A/de

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
    • C08J9/08—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 carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyamides (AREA)
CH1369868A 1967-10-20 1968-09-13 Verfahren zur Herstellung von Polyamidverschäumungsgemischen CH504496A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19671720735 DE1720735A1 (de) 1967-10-20 1967-10-20 Verfahren zur Herstellung von Polyamidverschaeumungsgemischen
DEF0053843 1967-10-20

Publications (1)

Publication Number Publication Date
CH504496A true CH504496A (de) 1971-03-15

Family

ID=25754850

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1369868A CH504496A (de) 1967-10-20 1968-09-13 Verfahren zur Herstellung von Polyamidverschäumungsgemischen

Country Status (6)

Country Link
BE (1) BE722514A (de)
CH (1) CH504496A (de)
DE (1) DE1720735A1 (de)
FR (1) FR1595637A (de)
GB (1) GB1238941A (de)
NL (1) NL6814879A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2361452C2 (de) * 1973-12-10 1985-03-07 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyamiden mit Integralschaumstruktur

Also Published As

Publication number Publication date
DE1720735A1 (de) 1971-07-15
GB1238941A (de) 1971-07-14
NL6814879A (de) 1969-04-22
FR1595637A (de) 1970-06-15
BE722514A (de) 1969-04-01

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Legal Events

Date Code Title Description
PL Patent ceased