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US 2021/0230099 A1Published application
Low-pollution antidegradant compound and antidegradant composition and rubber composition comprising the same for tires
AssigneeSennics Co., Ltd.
InventorsYang GAO, Hui Li
Life of this patent
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Abstract
Antidegradant composition comprising a first compound of Formula I: and a second antidegradant that is not the compound of Formula I; and rubber composition comprising the antidegradant composition. The rubber composition has good resistance to appearance discoloration while maintaining the mechanical and anti-aging properties, thus, are suitable for making the entire tire or as part of the rubber matrix.
Claims16
An antidegradant composition for preventing discoloration in rubber or rubber articles, comprising:
- a first compound of formula I:
- wherein R1 and R2 are identical or different, each being independently selected from C1-C12 alkyl and C3-C8 cycloalkyl;
- and
- a second antidegradant that is not the first compound of Formula I,
- wherein the first compound of formula I prevents discoloration caused by the second antidegradant in rubber or rubber articles.
2 more elements
Dependencies are inferred from the claim text.