title: The role of the molecular structure of carboxylate-alumoxanes in the enhanced nucleation of polypropylene.
abstract: We have reported the use of carboxylate-alumoxanes as efficient nucleating agents for isotactic polypropylene (iPP) with a possible structural correlation to the nucleation efficiency. The unique, butterfly-like structure of carboxylate-alumoxanes correlates well with the nucleation characteristics of iPP and, for the first time, the impact of a thermally induced, crystalline transition of carboxylate-alumoxanes, which alters neither the structural conformation nor the nucleation efficiency of the transformed material, is demonstrated.
authors.affiliation: Polymer Science and Engineering Division, Polymers and Advanced Materials Laboratory, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune-411 008, India. c.ramesh@ncl.res.in.
authors.forename: Mohan Raj
authors.initials: MR
authors.lastname: Mani
authors.forename: Ramesh
authors.initials: R
authors.lastname: Chellaswamy
authors.forename: Yogesh N
authors.initials: YN
authors.lastname: Marathe
authors.forename: Vijayamohanan K
authors.initials: VK
authors.lastname: Pillai