A stretchable metallized nonwoven web of non-elastomeric...

Details A stretchable metallized nonwoven web of non-elastomeric... A stretchable metallized nonwoven web of non-elastomeric...

B - Operations, Transporting

32

B

B32B 5/04 (2006.01) B32B 15/08 (2006.01) D04H 1/42 (2006.01) D06Q 1/04 (2006.01)

Patent

CA 2101834

ABSTRACT Disclosed is a stretchable metallized nonwoven web composed of at least one nonwoven web of non-elastomeric thermoplastic polymer fibers, the nonwoven web having been heated and then necked so that it is adapted to stretch in a direction parallel to neck-down at least about 10 percent more than an identical untreated nonwoven web of fibers; and a metallic coating substantially covering at least a portion of at least one side of the nonwoven web. The nonwoven web of non-elastomeric thermoplastic polymer fibers can be a nonwoven web of non- elastomeric meltblown thermoplastic polymer fibers. The stretchable metallized nonwoven web may be joined with other materials to form multi-layer laminates. Also disclosed is a process of making a stretchable metallized nonwoven web.

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