Affiliation:
1. Southern Regional Research Center, New Orleans, Louisiana 70179, U.S.A.
Abstract
Ammonia treatment of fabric impregnated with THPOH and a small amount of carbohydrazide produced a flame-retardant fabric that had higher weight gains and higher phosphorus, nitrogen, and formaldehyde contents than a treated fabric in which the carbohydrazide was absent. The carbohydrazide has ability to react with both the organophosphorus moieties as well as free formaldehyde, yielding products of relatively low volatility that are not lost during the drying and ammonia curing steps. The decreased formaldehyde released during drying lessens the change in shade of cotton fabrics dyed with reactive type dyes that is usually observed when they are treated for flame resistance with THPOH-NH3.
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
Cited by
3 articles.
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