US 11,753,529 B2
Graphene as additive in sidewall applications
Douglas Paschall, Rancho Santa Margarita, CA (US); Adel F. Halasa, Akron, OH (US); and Michael Brendan Rodgers, Leander, TX (US)
Assigned to Akron Polymer Solutions, Inc.
Filed by Akron Polymer Solutions, Inc., Rancho Santa Margarita, CA (US)
Filed on Jul. 14, 2022, as Appl. No. 17/812,578.
Claims priority of provisional application 63/228,389, filed on Aug. 2, 2021.
Claims priority of provisional application 63/222,103, filed on Jul. 15, 2021.
Claims priority of provisional application 63/222,101, filed on Jul. 15, 2021.
Claims priority of provisional application 63/222,112, filed on Jul. 15, 2021.
Prior Publication US 2023/0034747 A1, Feb. 2, 2023
Int. Cl. C08L 7/00 (2006.01); B60C 1/00 (2006.01); C08L 9/00 (2006.01)
CPC C08L 7/00 (2013.01) [B60C 1/0025 (2013.01); C08L 9/00 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01); C08L 2207/322 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A tire sidewall comprising:
natural rubber;
polybutadiene;
carbon black;
peptizer;
process oil;
paraffinic wax;
microcrystalline wax;
stearic acid;
zinc oxide;
sulfur;
accelerator;
pre vulcanization inhibitor; and
pristine graphene, wherein the sidewall has no additional antioxidant or antiozonant.