Journal of Polymer Research

, Volume 18, Issue 6, pp 1947–1953

Morphological development of polypropylene in immiscible blends with cellulose acetate butyrate

  • Chao-Hua Xue
  • Dong Wang
  • Bei Xiang
  • Bor-Sen Chiou
  • Gang Sun
Original Paper

Abstract

Isotactic polypropylenes (iPP) with different melt flow indexes were melt blended with cellulose acetate butyrate (CAB) and then prepared into microspheres or nanofibers following a novel process of producing well dispersed CAB/iPP immiscible blends and subsequent removal of the CAB matrix. The morphologies of iPP microspheres were investigated by a scanning electron microscopy, and the dimensions of iPP microspheres were evaluated. The melt viscosities of iPP, CAB, and CAB/iPP blends were measured by using a capillary rheometer. The influences of the viscosity, viscosity ratio, and composition ratio of iPP/CAB on the morphology formation of iPP in CAB matrix were studied.

Keywords

Immiscible polymer blends Polypropylene Viscosity ratio Micro-spherical beads 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Chao-Hua Xue
    • 1
  • Dong Wang
    • 1
  • Bei Xiang
    • 1
  • Bor-Sen Chiou
    • 2
  • Gang Sun
    • 1
  1. 1.Division of Textiles and ClothingUniversity of CaliforniaDavisUSA
  2. 2.Bioproduct Chemistry and EngineeringUSDA/WRRC/ARSAlbanyUSA

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