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

Pandey, S. N.; Raje, C.R.

doi:10.1177/004051758505500209

Textile Research Journal

1985

DOI: 10.1177/004051758505500209

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

S. N. Pandey

C.R. Raje

Abstract: 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 Al 2 (SO 4 ) 3 .16H 2 O 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.

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Cited by 5 publications

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“…The crosslinked fabrics obtained with this system had better strength retention and higher WRA compared to the fabrics crosslinked in the presence of a single catalyst or a conventional catalyst [ 14]. Though a number of mixed catalyst systems had been studied earlier, no information was available about the use of a mixture of aluminium sulfate and glycolic acid as a catalyst in the crosslinking of cotton fabric.…”

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Highly Active Mixed Catalyst System for Producing Durable Press Cotton Textiles

Pandey

Raje

1987

Textile Research Journal

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In this study cotton fabric samples were crosslinked with 10% N-methylol compound 4-5, dimethyloldihydroxyethylene urea in the presence of a mixed catalyst system consisting of varying proportions of aluminium sulfate, glycolic acid, and tartaric acid. Resin finishing was by the pad-dry-cure method and curing was done at 160°C for 3 minutes in most cases and in few cases at 180°C for different periods. Treated and control samples were evaluated for various properties. Wrinkle recovery and durable press ratings of the crosslinked fabrics increased and breaking strength decreased as the concentration of glycolic acid in the mixture increased up to 2.0%. Further increases in the concentration of glycolic acid in the mixture did not have pronounced effect on fabric properties. The fabric samples treated in the presence of the mixed catalyst system of glycolic acid and aluminium sulfate exhibited better resilience than those treated in the presence of either citric or tartaric acid and aluminium sulfate. Fabric samples cured at 160°C exhibited better textile properties than the samples cured at 180°C. Fabric samples crosslinked in the presence of the mixed catalyst system showed higher WRA and DP ratings and better tensile properties compared to the samples treated by the conventional process.

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Highly Active Mixed Catalyst System for Producing Durable Press Cotton Textiles

Pandey

Raje

1987

Textile Research Journal

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Ramie fibre: part I. Chemical composition and chemical properties. A critical review of recent developments

Pandey¹

2007

Textile Progress

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Kinetics of the Crosslinking Reaction of Cotton Catalyzed with Mixtures of Aluminum Salts and Tartaric Acid

Chen

1989

Textile Research Journal

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We have determined the physical properties of cotton fabrics treated with di methyloldimethyldihydroxyethyleneurea in the presence of aluminum salts, tartaric acid, or their mixtures under various curing conditions. We have also investigated the kinetics of the cellulose-DMDMDHEU reaction catalyzed by 0.015 M of various ratios of aluminum sulfate and tartaric acid mixtures in the 50 to 120°C temperature range. We calculated the specific reaction rate constant and activation parameters for the reaction, and found that the transition state complex at lower curing temperatures (<100°C) differs from that formed at higher curing temperatures (≥ 100°C). We also compared the activation parameters of a single catalyst with the values of the mixed catalyst, and measured the IR spectra of DMDMDHEU and the baked materials of DMDMDHEU + catalyst.

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

Cited by 5 publications

References 10 publications

Highly Active Mixed Catalyst System for Producing Durable Press Cotton Textiles

Highly Active Mixed Catalyst System for Producing Durable Press Cotton Textiles

Ramie fibre: part I. Chemical composition and chemical properties. A critical review of recent developments

Kinetics of the Crosslinking Reaction of Cotton Catalyzed with Mixtures of Aluminum Salts and Tartaric Acid

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