Local free volume and glass transition in propylene/alpha- olefin copolymers with a defined length and number of branches

G. Dlubek, D. Bamford, A. Rodriguez-Gonzalez, K. Petters, C. Hübner, S. Bornemann, T. Lupke, O. Henschke, J. Stejny, M. A. Alam, M. Arnold