	US 11,673,979 B2
	Binder for glass paper
Nobuyuki Tanno, Tokyo (JP)
Assigned to DENKI KAGAKU KOGYO KABUSHIKI KAISHA, Tokyo (JP)
Filed by Denka Company Limited, Tokyo (JP)
Filed on Aug. 12, 2015, as Appl. No. 14/824,434.
Prior Publication US 2017/0044407 A1, Feb. 16, 2017
Int. Cl. C09J 129/04 (2006.01); C08F 16/06 (2006.01); D21H 21/18 (2006.01); D21H 19/60 (2006.01); D21H 13/40 (2006.01); D21H 17/36 (2006.01); C08F 8/12 (2006.01)

CPC C08F 16/06 (2013.01) [C08F 8/12 (2013.01); D21H 13/40 (2013.01); D21H 17/36 (2013.01); D21H 19/60 (2013.01); D21H 21/18 (2013.01)]

4 Claims

1. Polyvinyl alcohol particle or particles having a particle shape with an aspect ratio of 1.9 to 2.11 and having a degree of saponification of 99.0 mol % or more, wherein a ratio of particles with a particle diameter of 53 μm or less is 50% or less and a ratio of particles with a particle diameter of 180 μm or more is 8% or less, in a particle diameter distribution of the polyvinyl alcohol particles.