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US 11,597,821 B2Granted
Graphene as additive in truck tire tread applications
AssigneeAkron Polymer Solutions, Inc.
InventorsDouglas Paschall, Adel F. Halasa, Michael Brendan Rodgers
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Abstract
The introduction of graphene as an additive in truck tire treads is disclosed. The product shows increased electrical resistance in tire treads, with no tradeoffs in other characteristics.
Claims15
A truck tire tread comprising:
- natural rubber;
- a peptizer;
- carbon black;
- graphene, wherein the graphene has a thickness of less than about 3.2 nm, a particle size of between about 50 nm and about 10 μm, and contains greater than about 95% carbon;
- aliphatic hydrocarbon resin;
- treated distillate aromatic extract;
- N-(1,3-dimethylbutyl)-N′-phenyl-1,4-benzenediamine;
- 2,2,4-trimethyl-1,2-dihydroquinoline;
- paraffinic wax;
- microcrystalline wax;
- zinc oxide;
- stearic acid;
- N-tert-butyl-benzothiazole sulfonamide;
- sulfur;
- and
- pre vulcanization inhibitor.
13 more elements
A truck tire tread comprising:
- natural rubber;
- carbon black;
- and
- graphene, wherein the graphene has a thickness of less than about 3.2 nm, a particle size of between about 50 nm and about 10 μm, and contains greater than about 95% carbon.
1 more element
Dependencies are inferred from the claim text.