公开(公告)号：US10883198B2

公开(公告)日：2021-01-05

申请号：US15308480

申请日：2015-05-05

Applicant: INVISTA NORTH AMERICA S.A R.L.

Inventor： Robert O. Waldbauer, Jr. ,  Norman J. D'Allura

IPC: D01F6/70 ,  D01D5/04 ,  D01D5/06 ,  D01F1/02 ,  D01F1/10 ,  C08G18/76 ,  C08G18/48 ,  C08G18/75

Abstract: Included are elastomeric fibers and method for preparing such fibers, which include a bio-derived butanediol. The bio-derived butanediol is used to prepare a polymeric glycol composition, which is contacted with a diisocyanate and spun to provide an elastomeric fiber.