20—WOOL–POLYMER SYSTEMS: THE EFFECT OF ELASTOMERS ON THE WRINKLE-RECOVERY OF WOOL

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Abstract
The wrinkle-recovery of a wool fabric may be improved by coating the fibres with elastomeric polymers. It is shown that, of those polymers investigated, the most effective were found to be polyether–hexamethylene di-isocyanate polyurethanes and cross-linked silicones. Comparison of the wrinkling behaviour of fabrics and individual fibres indicates that the observed improvement in wrinkle-recovery was due to a coupling of the elastic-recovery forces of the polymer with those of the individual fibres, Inter-fibre bonding is thought to have an adverse effect on the wrinkle-recovery.