The chemical composition of a polymer influences the forces of attractions between polymer chains and how closely the chains can pack. These can have an important effect on the physical properties of the polymer.
David Whisnant (Wofford College). Partial support for this work was provided by the National Science Foundation's Division of Undergraduate Education through grants DUE #9950809 and DUE #9950296. Additional support was provided by the Camille and Henry Dreyfus Foundation.