US 11,814,504 B2
Polypropylene polymer compositions and articles made from the same
Darin Dotson, Moore, SC (US); Xiaoyou Xu, Spartanburg, SC (US); Hua Sun, Greenville, SC (US); Chi-Chun Tsai, Boiling Springs, SC (US); and Corey Williams, Mauldin, SC (US)
Assigned to Milliken & Company, Spartanburg, SC (US)
Filed by Milliken & Company, Spartanburg, SC (US)
Filed on Apr. 21, 2022, as Appl. No. 17/726,502.
Claims priority of provisional application 63/178,238, filed on Apr. 22, 2021.
Prior Publication US 2022/0356327 A1, Nov. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 5/5317 (2006.01); C08K 5/00 (2006.01)
CPC C08K 5/5317 (2013.01) [C08K 5/0083 (2013.01); C08K 2201/006 (2013.01)] 20 Claims
 
1. A polymer composition comprising:
(a) a polypropylene polymer; and
(b) a salt of a branched alkyl phosphonic acid,
wherein the salt of the branched alkyl phosphonic acid has a BET specific surface area of 20 m2/g or more.