Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-09-23
1976-10-12
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C08G 6928
Patent
active
039857140
ABSTRACT:
A process is disclosed for controlling the dyeability of continuous polyamide filaments during their preparation by observing the pressure differential in the transfer line between the finisher and the spinnerets and adjusting the temperature in the evaporator apparatus to compensate for any fluctuation in pressure drop.
REFERENCES:
patent: 3493345 (1970-02-01), Windley
patent: 3503937 (1970-03-01), Allen et al.
patent: 3746693 (1973-07-01), Gupta et al.
Anderson Harold D.
E. I. Du Pont de Nemours and Company
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