US 12,378,390 B2
Methods for improving nanocellulose dispersion in elastomeric compounds, and compositions containing dispersed nanocellulose in elastomer compounds
Charles R. Herd, Woodstock, GA (US); Zachary A. Combs, Smyrna, GA (US); Lewis B. Tunnicliffe, Woodstock, GA (US); Kimberly Nelson, Atlanta, GA (US); and Shaobo Pan, Atlanta, GA (US)
Assigned to BIRLA CARBON U.S.A., INC., Marietta, GA (US); and GRANBIO INTELLECTUAL PROPERTY HOLDINGS, LLC, Thomaston, GA (US)
Appl. No. 17/285,600
Filed by BIRLA CARBON U.S.A., INC., Marietta, GA (US); and GRANBIO INTELLECTUAL PROPERTY HOLDINGS, LLC, Thomaston, GA (US)
PCT Filed Oct. 21, 2019, PCT No. PCT/US2019/057225
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/086466, PCT Pub. Date Apr. 30, 2020.
Claims priority of provisional application 62/748,564, filed on Oct. 22, 2018.
Claims priority of provisional application 62/748,574, filed on Oct. 22, 2018.
Prior Publication US 2021/0395493 A1, Dec. 23, 2021
Int. Cl. C08L 9/06 (2006.01); B60C 1/00 (2006.01); C08K 3/04 (2006.01); C08K 5/01 (2006.01); C08K 7/02 (2006.01); C08K 9/04 (2006.01); C08L 1/02 (2006.01); C08L 7/00 (2006.01); C08L 91/06 (2006.01)
CPC C08L 9/06 (2013.01) [B60C 1/0016 (2013.01); C08K 3/04 (2013.01); C08K 5/01 (2013.01); C08K 7/02 (2013.01); C08K 9/04 (2013.01); C08L 1/02 (2013.01); C08L 7/00 (2013.01); C08L 91/06 (2013.01); B60C 1/00 (2013.01); C08K 2201/006 (2013.01); C08K 2201/011 (2013.01); C08L 2201/50 (2013.01); C08L 2201/52 (2013.01); C08L 2205/035 (2013.01); C08L 2205/16 (2013.01); C08L 2205/22 (2013.01); C08L 2207/322 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A polymer composition comprising:
(I) a polymer;
(II) a nanocellulose dispersion composition (NDC) comprising:
(i) a partitioning agent comprising a carbon black filler and at least one of an elastomer latex and/or a wax; and
(ii) a nanocellulose; and
(III) a carbon black additive.