Flameproofing of textiles

Details Flameproofing of textiles Flameproofing of textiles

1975-12-11

1978-03-07

Gwinnell, Harry J.

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

252 81, 427342, C09K 328, C09D 518

Patent

active

040781011

ABSTRACT:
A process for flameproofing cellulosic textile fibres which comprises impregnating the fabric with an aqueous solution containing a pre-condensate of urea and a THP salt together with any excess of the THP salt necessary to make up a ratio of urea to THP lying between 0.05:1 and 0.25:1 molar, the solution being neutralized by the addition of an alkali or base to a pH in the range 5 to 8, and treating the impregnated fibres with ammonia to form a cross-linked polymer.

REFERENCES:
patent: 2983623 (1961-05-01), Coates
patent: 3236676 (1966-02-01), Coates et al.
patent: 3276897 (1966-10-01), Reeves et al.
patent: 3775155 (1973-11-01), Eggenweiler et al.
patent: 3784356 (1974-01-01), Wagner

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