公开(公告)号：US20230235484A1

公开(公告)日：2023-07-27

申请号：US18002290

申请日：2021-06-14

Applicant: Eastman Chemical Company

Inventor： Brian Tyndall Edwards ,  Dnyanada Shankar Satam ,  Megan Danielle Helton ,  Kevin Todd Barham ,  Ariana Maurique Rogers-Smith

IPC: D01F2/28 ,  D04H1/4382 ,  D04H1/4391 ,  D04H1/425

CPC classification number: D01F2/28 ,  D04H1/43835 ,  D04H1/4391 ,  D04H1/425 ,  D10B2201/28

Abstract: A fiber blend containing: (a) a cellulose acetate (CA) staple fibers having a denier per filament (DPF) of 3.0 or less; and (b) structural staple fibers having a dpf of 6.0 or more; and (c) optionally binder fibers. The fiber blend can be made into nonwoven webs for heat-bonding and subsequent use as thermal insulation in, e.g., outerwear, bedding, etc. The fiber blend can now contain sustainably derived fibers, optionally biodegradable, that provide good thermal insulation clo values and loft even after multiple wash cycles along with good short term compression recovery.