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Surface Studies of Polymer Blends. 4. An ESCA, IR, and DSC Study of the Effect of Homopolymer Molecular Weight on Crystallinity and Miscibility of Poly(ϵ-caprolactone)/Poly(vinylchloride) Homopolymer Blends

  • SUNY Buffalo
  • Dow Chemical

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

The studies presented explore the effects of homopolymer crystallinity and molecular weight on the surface composition of a homopolymer blend system. Angle-dependent electron spectroscopy for chemical analysis (ESCA or XPS (X-ray photoelectron spectroscopy)), Fourier transform infrared spectroscopy coupled with attenuated total reflectance (ATR-FTIR), and differential scanning calorimetry (DSC) results are presented for miscible and immiscible solvent-cast homopolymer blends of poly(ϵ-caprolactone) (PCL) and poly(vinyl chloride) (PVC). From these studies, it was found that the surface composition of a PCL/PVC homopolymer blend is governed by a combination of the homopolymer molecular weight and degree of crystallinity.

Original languageEnglish
Pages (from-to)799-805
Number of pages7
JournalMacromolecules
Volume24
Issue number3
DOIs
StatePublished - May 1 1991

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