摘要:
A thermally stable nonwoven web including blended-polymer meltblown fibers containing a blend of poly (butylene terephthalate) and poly (ethylene terephthalate).
摘要:
A non-woven fibrous web comprising: a plurality of first melt blown fibers comprising one or more thermoplastic semicrystalline polyesters and having a median diameter of up to 10 micrometers; wherein the non-woven fibrous web has a unitary construction and has at least one major surface processed to form a layer that is densified relative to a remaining portion of the non-woven fibrous web, said densified layer being provided alongside one or more adjacent layers within the unitary construction of the non-woven fibrous web; and a method of making a three-dimensional shaped article from the non-woven fibrous web..