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US 2022/0298334 A1Published application
Syndiotactic Polybutadiene In Non-Tire Applications
AssigneeBridgestone Americas Tire Operations, LLC
InventorsShammi Ahmed, Yingyi Huang
Life of this patent
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Abstract
An air spring bellow formed from a rubber composition including a rubber component that contains a polyisoprene rubber and syndiotactic 1,2-polybutadiene. The syndiotactic 1,2-polybutadiene has a low crystallinity of 40 percent or less and the rubber composition includes a filler.
Claims23
An air spring bellow comprising a rubber composition, the rubber composition comprising a rubber component comprising:
- a. a rubber selected from the group consisting of a polyisoprene rubber and a neoprene rubber, and
- b. about 2 to about 50 parts by mass of syndiotactic 1,2-polybutadiene per 100 parts by mass of the rubber component, the syndiotactic 1,2-polybutadiene having a crystallinity in the range of about 3 to about 40 percent.
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Dependencies are inferred from the claim text.