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1. (WO2017031659) NONWOVEN DIFFUSER ELEMENTS

Pub. No.:    WO/2017/031659    International Application No.:    PCT/CN2015/087891
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue Aug 25 01:59:59 CEST 2015
IPC: G02B 5/02
D04H 1/42
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
YU, Zhigang
Inventors: YU, Zhigang
LV, Yihang
DU, Guanglei
CHEN, Rui
JING, Naiyong
KOLB, William Blake
XUE, Jiaqi
Title: NONWOVEN DIFFUSER ELEMENTS
Abstract:
Diffuser elements comprise (a) a nonwoven fabric comprising fibers having a diameter of less than about 50 μm and a fiber aspect ratio of length/diameter of greater than about 5, and (b) a porous resin coating on the surfaces of the fibers of the nonwoven fabric. The resin has a Tg of about -10 to about 100℃. The resin pores have a size of about 200 nm to about 2 μm in at least one dimension.