DE2210427A1 - Verfahren zur Herstellung von Polyamiden und Polyamidschäumen - Google Patents

Verfahren zur Herstellung von Polyamiden und Polyamidschäumen

Info

Publication number
DE2210427A1
DE2210427A1 DE19722210427 DE2210427A DE2210427A1 DE 2210427 A1 DE2210427 A1 DE 2210427A1 DE 19722210427 DE19722210427 DE 19722210427 DE 2210427 A DE2210427 A DE 2210427A DE 2210427 A1 DE2210427 A1 DE 2210427A1
Authority
DE
Germany
Prior art keywords
isocyanate
lactam
foam
minutes
mixture
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.)
Pending
Application number
DE19722210427
Other languages
German (de)
English (en)
Inventor
Norman Stewart Blackley Manchester Lancashire Anderson (Großbritannien). C08g 20-30
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2210427A1 publication Critical patent/DE2210427A1/de
Pending 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
    • 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
    • C08G69/20—Anionic polymerisation characterised by the catalysts used
    • 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

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)
DE19722210427 1972-02-23 1972-03-03 Verfahren zur Herstellung von Polyamiden und Polyamidschäumen Pending DE2210427A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB602671A GB1375839A (enExample) 1972-02-23 1972-02-23

Publications (1)

Publication Number Publication Date
DE2210427A1 true DE2210427A1 (de) 1972-09-14

Family

ID=9807073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722210427 Pending DE2210427A1 (de) 1972-02-23 1972-03-03 Verfahren zur Herstellung von Polyamiden und Polyamidschäumen

Country Status (3)

Country Link
DE (1) DE2210427A1 (enExample)
GB (1) GB1375839A (enExample)
NL (1) NL7202835A (enExample)

Also Published As

Publication number Publication date
NL7202835A (enExample) 1972-09-06
GB1375839A (enExample) 1974-11-27

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