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|1. (WO2017031659) NONWOVEN DIFFUSER ELEMENTS|
|Applicants:||3M INNOVATIVE PROPERTIES COMPANY
KOLB, William Blake
|Title:||NONWOVEN DIFFUSER ELEMENTS|
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.