Transfer techniques for producing flame retardant cotton fabrics

Details Transfer techniques for producing flame retardant cotton fabrics Transfer techniques for producing flame retardant cotton fabrics

1975-03-05

1980-03-18

Smith, Ronald H.

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427342, 427353, 427382, 427392, 427428, 427429, 428921, 4273933, B05D 310

Patent

active

041940326

ABSTRACT:
Flame resistance sufficient to enable cellulose containing materials to pass modern flammability standards has been imparted to these materials by application of an aqueous solution containing a methylol phosphorus compound followed by heat drying to about 15% or less moisture content, and finally by polymerizing the phosphorus material in the cellulose containing material by any one of several indirect aqueous ammonia curing techniques. The invention provides an improved process for flame proofing cellulosic materials which avoids the use of ammonia gas during the cure and which results in little or no loss in tensile strength or in an undesirable change in hand. Cellulosic textiles treated by this process retain their flame resistant properties after repeated laundering.

REFERENCES:
patent: 2772188 (1956-11-01), Reeves et al.
patent: 2859133 (1958-11-01), Olcott
patent: 2865783 (1958-12-01), Henderson et al.
patent: 3236676 (1966-02-01), Coate et al.
patent: 3276897 (1966-10-01), Reeves et al.
patent: 3310420 (1967-03-01), Wagner
patent: 3607356 (1971-09-01), Beninate et al.
patent: 3784356 (1974-01-01), Wagner

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