Fabrication and morphology development of isotactic polypropylene nanofibers from isotactic polypropylene/polylactide blends

Peng Liu

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

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Yang Ouyang,

Yang Ouyang

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

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Ru Xiao,

Corresponding Author

Ru Xiao

[email protected]

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China===Search for more papers by this author

Peng Liu,

Peng Liu

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

Search for more papers by this author

Yang Ouyang,

Yang Ouyang

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

Search for more papers by this author

Ru Xiao,

Corresponding Author

Ru Xiao

[email protected]

State Key Lab for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China

First published: 01 September 2011

https://doi.org/10.1002/app.34810

Citations: 16

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Abstract

The excellent characteristics of polymeric nanofibers with diameters less than 1 μm such as the enormous specific surface result in a dramatic increase in a variety of functional applications. In this article, polymer blends of isotactic polypropylene (iPP) and polylactide (PLA) were fabricated through a twin-screw extruder. The extrudates were prepared at various processing conditions and the iPP nanofibers were obtained by removal of the PLA matrix from the drawn samples. The influences of drawing ratio, the processing temperature, and the blend ratio of iPP/PLA on the morphology development of iPP phase were investigated by scanning electron microscopy. It was found that the uniformed iPP nanofibers with averaged diameters less than 500 nm were fabricated by the suitable processing parameters. Otherwise, the processing immiscibility and rheological behavior of iPP/PLA blends were studied by means of dynamic mechanical analysis and capillary rheometer. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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Volume123, Issue5

5 March 2012

Pages 2859-2866

Fabrication and morphology development of isotactic polypropylene nanofibers from isotactic polypropylene/polylactide blends

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Fabrication and morphology development of isotactic polypropylene nanofibers from isotactic polypropylene/polylactide blends

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