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Morphological development of polypropylene in immiscible blends with cellulose acetate butyrate

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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.

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Acknowledgements

This work was supported by a contract (HDTRA1-08-1-0005) from the Defense Threat Reduction Agency of The Defense Department.

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Authors and Affiliations

  1. Division of Textiles and Clothing, University of California, Davis, CA, 95616, USA

    Chao-Hua Xue, Dong Wang, Bei Xiang & Gang Sun

  2. Bioproduct Chemistry and Engineering, USDA/WRRC/ARS, Albany, CA, 94710, USA

    Bor-Sen Chiou

Authors
  1. Chao-Hua Xue
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  2. Dong Wang
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  3. Bei Xiang
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  4. Bor-Sen Chiou
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  5. Gang Sun
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Correspondence to Gang Sun.

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Xue, CH., Wang, D., Xiang, B. et al. Morphological development of polypropylene in immiscible blends with cellulose acetate butyrate. J Polym Res 18, 1947–1953 (2011). https://doi.org/10.1007/s10965-011-9602-x

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  • DOI: https://doi.org/10.1007/s10965-011-9602-x

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