	US 12,122,911 B2
	Polyalkylene ether glycol composition and method for producing polyurethane using the same
Gaku Teshima, Tokyo (JP); Ryo Yamashita, Tokyo (JP); and Shohei Taniguchi, Tokyo (JP)
Assigned to Mitsubishi Chemical Corporation, Tokyo (JP)
Filed by Mitsubishi Chemical Corporation, Tokyo (JP)
Filed on Jul. 12, 2021, as Appl. No. 17/305,602.
Application 17/305,602 is a continuation of application No. PCT/JP2020/009140, filed on Mar. 4, 2020.
Claims priority of application No. 2019-063409 (JP), filed on Mar. 28, 2019.
Prior Publication US 2021/0332238 A1, Oct. 28, 2021
Int. Cl. C08G 65/26 (2006.01); C08G 18/48 (2006.01); C08L 71/02 (2006.01); C08G 101/00 (2006.01)

CPC C08L 71/02 (2013.01) [C08G 18/4841 (2013.01); C08G 18/4845 (2013.01); C08G 18/4858 (2013.01); C08G 65/26 (2013.01); C08G 65/2606 (2013.01); C08G 2101/00 (2013.01); C08L 2203/14 (2013.01)]

12 Claims

1. A polyalkylene ether glycol composition comprising

a polyalkylene ether glycol including an alkoxy group serving as a terminal group,

wherein the polyalkylene ether glycol composition has a hydroxyl value of 220 or more and 750 or less, and

wherein a ratio of the number of alkoxy group terminals of the polyalkylene ether glycol including an alkoxy group serving as a terminal group, the polyalkylene ether glycol being included in the polyalkylene ether glycol composition, to the number of hydroxyl group terminals of polyalkylene ether glycols included in the polyalkylene ether glycol composition is 0.00001 or more and 0.0040 or less.