Flame retardant treatment of cellulose fabric with crease recovery: tetra-kis-hydroxy-methyl phosphonium and methylolamide
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United States of America Patent
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Aug 4, 1992
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N/A
app pub date -
Sep 21, 1990
filing date -
Oct 13, 1986
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Expired
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Abstract
Flame retardant cellulosic fabrics having reduced shrinkage are obtained by treatment of fabric with a tetrakis hydroxymethyl phosphonium compound or condensate and then curing with ammonia, followed by treatment involving reaction of the fabric with a non self-condensing methylolamide under aqueous acid conditions.
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