at an extension speed of 500 mm/min. From these curves, the 100% modulus (E100), 300% modulus (E300), rb, and elongation at break of each vulcanizate were determined.
at an extensionspeed of 500 mm/min. From these curves, the 100%modulus (E100), 300% modulus (E300), rb, and elongationat break of each vulcanizate were determined.