Evaluation of Some Conducting Polymers as Novel Antioxidants for Rubber Vulcanizates

Table 3

SBR formulations containing the prepared homopolymers and copolymers.

Formulation no.	1′	2′	3′	4′	5′	6′	7′	8′	9′
Control (without)	—	—	—	—	—	—	—	—	—
P𝛽N	—	1	—	—	—	—	—	—	—
Po-PDA	—	—	1	—	—	—	—	—	—
PT	—	—	—	1	—	—	—	—	—
P(An-co-mT)	—	—	—	—	1	—	—	—	—
P(An-co-T)	—	—	—	—	—	1	—	—	—
P(An-co-o-PDA)	—	—	—	—	—	—	1	—	—
P(An-co-2APy)	—	—	—	—	—	—	—	1	—
P(2APy-co-o-PDA)	—	—	—	—	—	—	—	—	1

Base recipe (phr): SBR, 100; stearic acid, 2; zinc oxide, 5; HAF, 30; processing oil, 3; CBS, 1; S, 2.