Low stress relaxation elastomeric fibers

Details Low stress relaxation elastomeric fibers Low stress relaxation elastomeric fibers

1993-04-07

1994-02-22

Bell, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

428224, 428903, 525 89, 525 92, C08L 5300

Patent

active

052887910

ABSTRACT:
An elastic nonwoven web is formed from elastic fibers composed of a blend of (1) a styrene-poly(ethylene-propylene)-styrene thermoplastic elastomeric block copolymer or a mixture of a styrene-poly(ethylene-propylene)-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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