FIBRAS LIGADAS E BICONSTITUIDAS POR POLIPROPINELO/POLIETILENO

摘要

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.