公开(公告)号：US20210146665A1

公开(公告)日：2021-05-20

申请号：US17048380

申请日：2019-03-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ignatius A. Kadoma ,  Jeffrey A. Chambers ,  Michael D. Romano ,  Marie E. Vanderlaan

IPC: B32B27/12 ,  B32B5/02 ,  B32B27/36 ,  B32B5/26 ,  B32B3/26 ,  D04H1/56 ,  D04H1/435 ,  A01G13/02

Abstract: Biodegradable layered composite comprising a first nonwoven biodegradable layer having a first and second major surface, the first nonwoven biodegradable layer comprising biodegradable polymeric melt-blown fibers, and a plurality of particles enmeshed in the biodegradable polymeric melt-blown fibers; and a biodegradable polymer film on at least a portion of the first major surface of the first nonwoven biodegradable layer. Biodegradable layered composite described herein can be used, for example, as biomulch for controlling weed growth and moisture.