Low stress relaxation elastomeric nonwoven webs and fibers

Details Low stress relaxation elastomeric nonwoven webs and fibers Low stress relaxation elastomeric nonwoven webs and fibers

1990-01-10

1993-11-09

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428224, 428283, 428903, 524505, D04H 158

Patent

active

052601269

ABSTRACT:
An elastic nonwoven web is formed from elastic fibers composed of a blend of (1) a styrene-poly(ethylenepropylene)-styrene thermoplastic elastomeric block copolymer or a mixture of a styrene-poly(ethylenepropylene)-styrene elastomeric block copolymer and a styrene-poly(ethylene-butylene)-styrene elastomeric block copolymer, and (2) a tackifying resin in which the elastic nonwoven web has a stress relaxation of less than about 30 percent. The blend used to form the elastic nonwoven web and/or elastic fibers may also include a polyolefin and an extending oil.

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