Composite adhesive webs and their production
AssigneeFreudenberg Nonwovens Limited Partnership
InventorsPeter S. Grynaeus, Gerhard Schaut, Chester J. Petkiewicz
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Abstract
Disclosed is a composite adhesive web and a process for the production of such a web. The thermally adhesive web of the invention is comprised of a composite of randomly arranged thermoplastic filaments or, parallel thermoplastic filaments interconnected by randomly arranged thermoplastic fibers or filaments, and a fibrous thermal adhesive nonwoven sheet containing thermoplastic fibers, preferably low melting thermally adhesive fibers.
Claims19
A composite comprising a thermally adhesive nonwoven sheet and randomly arranged fusible polymeric filaments wherein the thermally adhesive nonwoven sheet contains 10-90 wt. % of fusible polymeric fibers with a melt range of 75.degree. to 140.degree. C. and has openings of 0.5 to 5 mm wide.
A composite comprising a fibrous thermally adhesive nonwoven sheet having openings of 0.5 to 5 mm wide and parallel fusible polymeric filaments interconnected by randomly arranged fusible polymeric filaments.
A thermally adhesive nonwoven sheet comprising 10-90 wt. % of thermally adhesive or fusible fibers wherein the thermally adhesive fibers have a melt range of 75.degree.-140.degree. C. and the sheet has openings of 0.5 to 5 mm.
Dependencies are inferred from the claim text.