US 12,031,012 B2
Antidegradant composition, antidegradant master batch and rubber composition
Yang Gao, Shanghai (CN); Hui Li, Shanghai (CN); and Hao Wang, Shanghai (CN)
Assigned to Sennics Co., Ltd., Shanghai (CN)
Filed by Sennics Co., Ltd., Shanghai (CN)
Filed on Nov. 15, 2021, as Appl. No. 17/526,965.
Claims priority of application No. 202011285308.7 (CN), filed on Nov. 17, 2020.
Prior Publication US 2022/0153964 A1, May 19, 2022
Int. Cl. C08K 5/3492 (2006.01); B60C 1/00 (2006.01); C08J 3/22 (2006.01); C08K 5/09 (2006.01); C08K 5/18 (2006.01); C08L 23/08 (2006.01); C08L 91/00 (2006.01)
CPC C08K 5/3492 (2013.01) [B60C 1/0016 (2013.01); B60C 1/0025 (2013.01); C08J 3/22 (2013.01); C08K 5/09 (2013.01); C08K 5/18 (2013.01); C08J 2309/06 (2013.01); C08J 2323/16 (2013.01); C08L 23/0853 (2013.01); C08L 91/00 (2013.01)] 20 Claims
 
1. An antidegradant composition, comprising
a first component, wherein the first component is 2,4,6-tri-(N-1,4-dimethylpentyl-p-phenylenediamine)-1,3,5-triazine (TMPPD), and
a second component, wherein the second component is N-phenyl-N′-(2-methylphenyl) p-phenylenediamine (N3100-B), N-phenyl-N′-(2,6-dimethylphenyl) p-phenylenediamine (N3100-C), or both.