직/편성물 염색

safety of sodium hypophosphite catalyst under textile finishing conditions

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 316
the possibility of phosphine formation during durable press finishing of cotton fabrics with polycarboxylic acids and sodium hypophosphite catalyst was investigated under the controlled heating conditions of thermogravimetric analysis (tga). the volatile products were identified by fourier transform infrared spectroscopy (ft-ir) the decomposition products of sodium hypophosphite alone, mixtures of catalyst and acid, and cotton treated with the acid and catalyst were identified. it was found that no phosphine was formed in any of these systems at curing temperatures (160 to 220c). phosphine was the primary decomposition product of sodium hypophosphite alone at temperatures in excess of 300c and formed in trace amounts in some of the polycarboxylic acid/catalyst mixtures. phosphine was not a detectable decomposition product for any of the treated fabrics at any of the temperatures studied. (author abstract) 13 refs
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