A study of the application of several reactive urethane elastomer finishes [based on polyesters or polyethers] to wool is reported. The polymer is applied to the wool in an organic solvent and cross-linked by a diamine applied separately in aqueous solution. Several textile properties of the treated wool are reported. The treated wool has good resistance to felting shrinkage during machine laundering with little or no alteration in the desirable physical and textile properties of the wool.
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