Affiliation:
1. Department of Textile Technology, University of New South Wales, Kensington, Sydney, Austrolia
Abstract
Studies on the weight loss from wool, over an extended range of sulfuric acid con centrations and temperatures, have shown that there is a critical concentration for sulfuric acid and its effects on wool. Sulfuric acid droplets spread on wool when the concentration exceeds 40% under drying conditions. The concentrated acid causes locally damaged areas that do not exhibit the Allworden reaction. A low weight loss was observed in the treated wool for drying temperatures below 70°C, even for high sulfuric acid concentrations. Thus lower drying temperatures before baking in car bonizing could minimize damage to the wool.
Subject
Polymers and Plastics,Chemical Engineering (miscellaneous)
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