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Abstract

Styrene was polymerized with β-pinene at 30°C and −50°C in methylene dichloride and in m-xylene solvents. The styrene-to-terpene ratio on pyrolysis suggests that the polymers made at 30°C are copolymers, whereas most of the polymers made at −50°C are not copolymers. On the other hand, ethylene, ethane, and propylene analysis suggests that more of the polymers made at −50°C are copolymers.