公开(公告)号：US20250144454A1

公开(公告)日：2025-05-08

申请号：US18837418

申请日：2023-02-03

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Nathan E. Schultz ,  Seth M. Kirk ,  David A. Olson ,  Ronald W. Ausen ,  John M. Brandner ,  Bongyeol Yeom

IPC: A62B23/02 ,  A62B18/08

Abstract: A respirator is disclosed. The respirator includes a mask body and a harness. The mask body includes polypropylene in an amount of between 60 and 100 weight percent. The harness is attached to the mask body. The harness includes elastomeric polypropylene-miscible copolymer in an amount of between 80 and 100 weight percent. The respirator includes an overall composition of polypropylene of at least 80 weight percent. The respirator includes an overall composition of ethylene of less than 10 weight percent. The respirator may be consistent with definition of recyclable according to Association of Plastic Recyclers (APR) standards for polypropylene.