Flame-Resistant Wool-Cotton and Wool-Cotton-Polyester Blends 1

Abstract

A water-soluble, commercially available, oligomeric vinyl phosphonate ester effectively imparts flame resistance to wool-cotton and wool-cotton-polyester blends. Fabric hand is excellent. Limiting oxygen index values range from 26.6 to 27.4. Air permeability and ball-burst strength are reduced. Felting shrinkage is decreased and moth resistance of the wool blend fabrics is increased. The cotton component of the blend evidently acts as a carrier for the copolymerized phosphonate ester.

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