Abstract
Blends of cotton with up to 40% manmade fibers were produced. Triblends included cotton with 5% Kevlar/15% polyester, 5% Kevlar/25% polyester, 5% Kevlar/35% polyester, and 10% Kevlar/20% polyester. The triblend yarns and fabrics were compared with those produced from blends of cotton with 20, 30, and 40% polyester. Yarns spun from the triblends were stronger than the cotton/polyester blend yarns with equivalent manmade fiber contents. However, the improvement in strength imparted by the Kevlar fiber diminished as the percentage of polyester was increased. In some cases, resin-treated triblend fabrics had lower breaking strengths than those woven from comparable cotton/polyester blends. Fabrics containing Kevlar had reduced abrasion resistance and a greater tendency to pill.
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