公开(公告)号：US20230054664A1

公开(公告)日：2023-02-23

申请号：US17759342

申请日：2021-01-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Mark V. Riofski ,  Ignatius A. Kadoma ,  Mikhail A, Belkin ,  Kristy A. Jost ,  Colby W. Dotseth ,  Kenneth A. Cox ,  Michael P. Mandanas ,  Xiaoling Huang ,  Wei Li Hu

IPC: D01F8/14 ,  D01F8/12 ,  D01D5/34 ,  C08G63/08 ,  C08G63/16 ,  C08L77/00 ,  C08L91/06

Abstract: The present invention is a multi-component fiber includes a core and a sheathing surrounding the core. The core includes a first aliphatic polyester or copolymer of an aliphatic polyester. The sheathing includes a second aliphatic polyester or copolymer of an aliphatic polyester or a polyamide, and a hydrophobic agent. The second aliphatic polyester or copolymer of an aliphatic polyester or a polyamide has a melt flow index of between about 0.5 and about 19.5 g/10 min using a 2.16 Kg weight at 190° C.