Abstract

This study was intended to clarify (1) the release of free formaldehyde (2) transfer of free formaldehyde to the contacted fabrics during storing, and (3) the removal effect of free formaldehyde by washing from resin finished fabrics. The results of this study were as follow; 1. The decrease rate of free formaldehyde content in fabrics was higher during storing in open air, poly bag, and glass tube in descending order and the content of free formaldehyde in fabrics was decreased in glyoxal resin finished but, increased in Melamine M-3 resin finished when the fabrics was stored in polybag and in glass tube. 2. Increased amount of formaldehyde transfer to contacted fabrics was noted with Melamine M-3 resin finished than that of glyoxal resin finished. Increased amount of formaldehyde transfer as well as more free formaldehyde were noted in cotton fabrics than in polyester/ cotton blend. 3. The effect of removing free formaldehyde from the fabrics was better in case of solid alkaline soap, synthetic alkaline powdered detergents, neutral detergents in descending order. The romoval of free formaldehyde was marked after the 1st washing and almost no increase in free formaldehyde was found after three times of washing. 4. After first washing, the content of formaldehyde in Melamine M-3 resin finished fabrics increased more rapidly than that of glyoxal resin finished fabrics in condition of closed storing.

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