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Textile Research Journal
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A New Catalyst System for Improved Durable Press Properties of Cotton Fabric

S.N. Pandey

Cotton Technological Research Laboratory, Matunga, Bombay, India

C.R. Raje

Cotton Technological Research Laboratory, Matunga, Bombay, India

A new catalyst system using DMDHEU as a crosslinking reagent to improve the durable press (DP) properties of cotton fabric is described. Cotton cellulose fabric was crosslinked with DMDHEU in the presence of mixed catalysts Al2(SO4) 3.16H2O and citric acid in constant and varying proportions. Cotton fabric was also crosslinked in the presence of a single catalyst as well as a conventional catalyst. Resin finished samples were cured at 140 and 160°C separately. Crosslinked cotton fabric and control samples were evaluated for various physicochemical properties such as resin add-on, nitrogen content, DP rating, wrinkle recovery angle, breaking strength, tearing strength, and abrasion resistance. Relationships between various properties are also discussed. Use of mixed catalyst in constant and varying proportions in the resin finishing treatment improved durable press and wear properties of fabrics compared to the samples crosslinked in the presence of a single catalyst. Fabric samples cured at 140°C showed higher strength retention and flex abrasion values compared to the samples cured at 160°C. Better results in DP ratings and physical properties were attributed to the complex formation.

Textile Research Journal, Vol. 55, No. 2, 125-131 (1985)
DOI: 10.1177/004051758505500209
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