Durable-press cotton/polyester fabrics with 100%, 79%, 50%, 35%, and 0% cotton contents were modified by in situ network polymerization of sodium acrylate. The fabrics were characterized for mositure-related properties. There were substantial reductions in both drop absorption and wicking times at about 1% add-on of poly(acrylic acid) with little change in other properties. At about 4% add-on of poly(acrylic acid), substantial increases in moisture regain and water of imbibition accompanied shorter times for drop absorption and wicking up 2 cm and 3 cm of fabric. Other textile performance properties are discussed in relation to the hydrophilic characteristics of the fabrics.
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