Biconstituent polypropylene/polyethylene bonded fibers

Details Biconstituent polypropylene/polyethylene bonded fibers Biconstituent polypropylene/polyethylene bonded fibers

D - Textiles, Paper

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D04H 1/54 (2006.01) C09J 123/08 (2006.01) C09J 123/12 (2006.01) D01D 5/36 (2006.01) D01F 8/06 (2006.01) D04H 1/42 (2006.01) D04H 1/56 (2006.01)

Patent

CA 2011599

ABSTRACT Heat-bonded articles are prepared by employing as the heat-bondable material, biconstituent PP/PE fibers which comprise polypropylene as one phase and polyethylene as another phase. The biconstituent fibers provide improved tenacity and hand when compared to polypropylene alone. The biconstituent fibers of PP/PE having co-continuous zones exhibit a stronger heat-bond than PP alone and exhibit it over a much broader heat- bonding temperature range than PP alone. Favorable shrinkage characteristics are obtained. 37,735-F

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