Flame-retardant fiber having an excellent color-fastness and pre

Details Flame-retardant fiber having an excellent color-fastness and pre Flame-retardant fiber having an excellent color-fastness and pre

1977-05-24

1979-03-20

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260851, 264176F, C08L 2904, C08L 6134, C08L 6124, C08G 1238

Patent

active

041453719

ABSTRACT:
Disclosed is a highly flame-retardant fiber of excellent color-fastness which is made from the mixture composition of 30 to 60 parts of an amino resin composed of a condensation product of formaldehyde with melamine and other amino compounds selected from, urea, dicyandiamide and benzoguanamine, and 70 to 40 parts of polyvinyl alcohol. The incorporation of 0.1 to 4.0% by weight of phosphorus by the addition of a reactive organic phosphorous compound to the spinning dope or to the wet filaments before drawing causes noticeable enhancement of the flame-retardance. Curing and crosslinking may be carried out during the yarn-making process of spinning, drawing and heat-setting or after the yarn-making process by treatment in an acidic formaldehyde environment.

REFERENCES:
patent: 2376511 (1945-05-01), Saunders

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