Method and formulation for reinforcing elastomers
AssigneeCooper Tire & Rubber Company
InventorsHoward A. Colvin, Jeffery M. Opperman
Life of this patent
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Abstract
A rubber composition has a base rubber, a filler which is a protein, including soy protein, derived from byproducts resulting from the manufacture of biodiesel fuel and a coupling agent.
Claims2
In a method of formulating a rubber composition for tires the improvement comprising reacting a filler of soy protein containing material with a silane coupling agent during in situ mixing of a batch of non-functionalized base rubber, said non-functionalized base rubber being a non-functionalized member selected from the group consisting of natural rubber, styrene butadiene rubber (SBR), nitrile butadiene rubber (NBR), polybutadiene, ethylene-propylenediene monomer rubber (EPDM), styrene isoprene butadiene rubber (SIBR), isoprene butadiene rubber (IBR) and combinations thereof.
Dependencies are inferred from the claim text.