Search All Patents in Cannabis: Processing
Patent US10435542
Issued 2019-10-08
Hemp Oil-containing Rubber Compositions And Related Methods
Disclosed herein are rubber compositions comprising hemp oil and a rubber, and tires (and tire components) made from the rubber compositions. Also disclosed are methods of improving the tear resistance of a rubber composition by utilizing hemp oil in the rubber composition.
Much More than Average Length Specification
View the Patent Matrix® Diagram to Explore the Claim Relationships
USPTO Full Text Publication >
- 1. A method for improving the tear resistance of a tire tread rubber composition, comprising
incorporating about 5 to 30 phr of plant-sourced oil wherein the only plant-sourced oil consists of hemp oil into at least one rubber to form a rubber composition, wherein the at least one rubber is present in an amount of only 100 parts and consists of 100% by weight of least one of styrene-butadiene copolymer, polybutadiene, polyisoprene, natural rubber, and styrene-isoprene copolymer and the tire tread rubber composition includes at least one reinforcing filler in an amount of about 5 to about 200 phr, at least one antioxidant, and a cure package including a sulfur-based curative.
- 8. A tire tread comprising a rubber composition comprising at least one rubber, 5 to 30 phr of plant-sourced oil wherein the only plant-sourced oil consists of hemp oil, at least one reinforcing filler in an amount of 5 to 200 phr, at least one antioxidant, and a cure package including a sulfur-based curative, wherein the at least one rubber is present in an amount of only 100 parts and 100% by weight consists of at least one of styrene-butadiene copolymer, polybutadiene, polyisoprene, natural rubber, and styrene-isoprene copolymer.
