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Abstract

Cotton cellulose fabric and dimethylolethyleneurea were reacted with catalysis by zinc nitrate, magnesium chloride, and aluminum chlorohydroxide, with the concentra tion of each catalyst adjusted to realize comparable levels of resilience. Retentions of strength and abrasion resistance of the durable-press fabric, changes in degree of polymerization (dp) of the cellulose, and other chemical and physical parameters were measured. Strength and abrasion resistance of the treated fabric decreased in the order: zinc nitrate > magnesium chloride » aluminum chlorohydroxide; dp decreased in the order: zinc nitrate > aluminum chlorohydroxide > magnesium chloride. These interrelationships and those based on extent and nature of crosslinking are discussed and are the basis for proposals regarding the nature of the interaction of DMEU and catalysts during the chemical finishing reaction of cotton cellulose.

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Catalysis of the Dimethylolethyleneurea-Cotton Cellulose Reaction with Three Different Metal Salts

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