Process for continuous preparation of a foam polyamide

Details Process for continuous preparation of a foam polyamide Process for continuous preparation of a foam polyamide

1975-06-04

1977-06-07

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78L, C08J 902

Patent

active

040282872

ABSTRACT:
Method for the preparation of a foam polyamide in which the lactam together with a basic catalyst at a temperature above the melting point of the lactam is mixed with the promoter and foaming agent in a mixing vessel at ambient temperature while subjecting the mix to violent agitation to initiate polymerization, and the mix is discharged into a container for completion of the reaction before polymerization is more than 10% complete.

REFERENCES:
patent: 3207713 (1965-09-01), Hyde
patent: 3234152 (1966-02-01), Fuller
patent: 3274132 (1966-09-01), Giberson
patent: 3316221 (1967-04-01), Hyde
patent: 3322696 (1967-05-01), Fisher
patent: 3332895 (1967-07-01), Munn
patent: 3376237 (1968-04-01), Fuller
patent: 3449269 (1969-06-01), Hyde
patent: 3547836 (1970-12-01), Bruggeman
patent: 3574146 (1971-04-01), Schnell et al.
patent: 3591533 (1971-07-01), Schnell

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