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Postactivation Catalysts for Recurability of DMDHEU-Glycolic Acid Durable-Press Fabrics

Potential postactivation catalysts for promoting the recurability of durable-press cotton fabrics that have been finished with DMDHEU and glycolic acid were studied to find optimum catalysis and creasing conditions for these fabrics. A thorough study was made of the effects of concentration and creasing temperature in postactivation catalysis with magnesium chloride and zinc nitrate. The catalytic activity of other potential metal salt catalysts was surveyed, and the effects on catalytic activity of divalent, trivalent, and tetravalent metal cations and various anions were measured. Several phase-separation catalysts were studied as postactivation catalysts.