Continuous process for preparing aliphatic polycarbonamides

Details Continuous process for preparing aliphatic polycarbonamides Continuous process for preparing aliphatic polycarbonamides

1974-05-06

1976-04-06

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 95C, C08G 6928

Patent

active

039488624

ABSTRACT:
A continuous process for preparing polyamides is improved by providing a pressurized reactor in which steam is evolved along with some diamine volatilization while providing for diamine re-absorption by contact and mixing (with a static mixer) of the vapor and liquid phases in annular flow in the reactor.

REFERENCES:
patent: 2361717 (1944-10-01), Taylor
patent: 2689839 (1954-09-01), Heckert
patent: 3193535 (1965-07-01), Carter
patent: 3286992 (1966-11-01), Armeniades et al.
patent: 3357955 (1967-12-01), Bryan
patent: 3789584 (1974-02-01), Iwasyk et al.

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