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1. (WO2017031660) METHOD OF MAKING NONWOVEN DIFFUSER ELEMENTS

Pub. No.:    WO/2017/031660    International Application No.:    PCT/CN2015/087892
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue Aug 25 01:59:59 CEST 2015
IPC: G02F 1/1335
B32B 5/18
B32B 7/00
B05D 1/00
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
YU, Zhigang
Inventors: YU, Zhigang
LV, Yihang
DU, Guanglei
CHEN, Rui
JING, Naiyong
KOLB, William Blake
XUE, Jiaqi
Title: METHOD OF MAKING NONWOVEN DIFFUSER ELEMENTS
Abstract:
A method of making a nonwoven diffuer element comprises (a) preparing a latex coating composition comprising water and resin droplets having a Tg of about -10 to about 100℃, (b) coating a nonwoven fabric comprising fibers with the latex coating composition and (c) drying the resulting coated nonwoven fabric at a temperature of about 20 to about 150℃ above the Tg of the resin.