Nonwoven fabric barrier layer

Textiles: manufacturing – Textile product fabrication or treatment – Fiber entangling and interlocking

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28117, 264DIG47, 428198, D04H 310

Patent

active

045177147

ABSTRACT:
A process for making a nonwoven fabric barrier layer that comprises simultaneously ring-rolling to a desired basis weight at least two adjacent plies of hydrophobic microfine fiber webs. The adjacent plies prior to ring-rolling have a cumulative basis weight of from about 1.1 to about 4 times the desired basis weight.

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Industrial & Engineering Chemistry, vol. 48, No. 8, 1954, pp. 1342-1346, Wente, V. A. "Superfine Thermoplastic Fibers".

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