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Laminated microfiber non-woven material

  • US 4,784,892 A
  • Filed: 05/12/1986
  • Issued: 11/15/1988
  • Est. Priority Date: 05/14/1985
  • Status: Expired due to Term
First Claim
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1. A nonwoven three-layer laminate material having a basis weight in the range of from about 50 to about 150 gsm and consisting essentially of a coform central layer mixture of thermoplastic microfibers having a diameter generally in the range of up to about 10 microns including from about 50 to about 80 percent by weight of pulp fibers and said mixture also including superabsorbent particles held captive within said mixture of pulp and microfibers, andon both sides of said central layer a meltblown surface layer consisting essentially of thermoplastic microfibers having a diameter generally within the range of from about 11/2 to 10 microns,said laminate being interbonded by a pattern of fused bonds serving to anchor the superabsorbent particles within said laminate, and occupying at least about 10 percent of the surface area of said laminate.

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