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An investigation is reported in which resorcinol–formaldehyde resin treatments were used with annealing to improve the wrinkle-recovery of wool fabrics. Whereas the effects of the individual treatments were additive, the resin appeared to inhibit the annealing and deannealing processes in the wool. A concurrent annealing–resin-forming treatment gave better results than a sequential treatment (in which the resin was formed before the annealing operation)at the same weight of added polymer. However, the reasons for this difference could not be fully determined.
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Boos et al. (1975) studied this question.
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