Process for producing flame-resistant filaments

Details Process for producing flame-resistant filaments Process for producing flame-resistant filaments

1975-03-06

1978-03-07

Marquis, Melvin I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296AN, 260 285D, 260 285R, 260 326N, 260 457R, 260 457P, 260 457PH, 264182, C08L 3504

Patent

active

040779297

ABSTRACT:
A process for producing flame-resistant filaments by preparing a hot solution of a halogen-containing acrylonitrile polymer composition in an inert organic solvent for the composition, extruding the solution to form filaments and removing the solvent from the filaments. Corrosive attack of the solution on metallic equipment used in the process is greatly reduced by incorporating both water and specified phosphorus compounds in the solution.

REFERENCES:
patent: 2456231 (1948-12-01), Wiley
patent: 2878227 (1959-03-01), Ucci
patent: 2878229 (1959-03-01), Jenkins
patent: 3055861 (1962-09-01), Hersh
patent: 3748302 (1973-07-01), Jones

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