US 11,718,698 B2
Polyolefin grafted polydiene polymers, and methods of making and using same
Terrence E. Hogan, Uniontown, OH (US); Arif O. Gozen, Dundee, MI (US); and James D. Ulmer, Akron, OH (US)
Assigned to Bridgestone Corporation, Chuo-ku (JP)
Filed by Bridgestone Corporation, Chuo-ku (JP)
Filed on Dec. 30, 2020, as Appl. No. 17/138,015.
Application 17/138,015 is a continuation of application No. 16/066,945, abandoned, previously published as PCT/US2016/069072, filed on Dec. 29, 2016.
Claims priority of provisional application 62/272,121, filed on Dec. 29, 2015.
Prior Publication US 2021/0230420 A1, Jul. 29, 2021
Int. Cl. C08F 279/02 (2006.01); C08L 51/04 (2006.01); C08F 299/00 (2006.01); C08F 8/34 (2006.01); C08F 8/32 (2006.01); C08F 22/06 (2006.01); C08F 136/06 (2006.01); C08L 23/32 (2006.01); C08F 8/46 (2006.01); C08L 7/00 (2006.01); C08L 9/00 (2006.01); B60C 1/00 (2006.01); C08G 81/00 (2006.01); C08L 21/00 (2006.01); C08K 5/372 (2006.01); C08L 23/08 (2006.01); C08L 23/14 (2006.01); C08L 23/02 (2006.01); C08K 3/013 (2018.01)
CPC C08F 279/02 (2013.01) [B60C 1/00 (2013.01); B60C 1/0025 (2013.01); C08F 8/32 (2013.01); C08F 8/34 (2013.01); C08F 8/46 (2013.01); C08F 22/06 (2013.01); C08F 136/06 (2013.01); C08F 299/00 (2013.01); C08G 81/00 (2013.01); C08K 5/3725 (2013.01); C08L 7/00 (2013.01); C08L 9/00 (2013.01); C08L 21/00 (2013.01); C08L 23/02 (2013.01); C08L 23/0815 (2013.01); C08L 23/14 (2013.01); C08L 23/32 (2013.01); C08L 51/04 (2013.01); C08K 3/013 (2018.01)] 13 Claims
 
1. A polyolefin grafted polydiene polymer comprising:
a polydiene having a polydiene polymer backbone;
a polyolefin having an anhydride polymeric modifier; and
at least one sulfur containing functionalizing agent which grafts the polyolefin onto at least one non-terminal position on the polydiene polymer backbone.