Rheological properties and phase inversion of polypropylene and poly(styrene-co-acrylonitrile) blends

Min Soo Han, Won Jin Seo, Han Sung Paik, Jae Chun Hyun, Jae Wook Lee, Woo Nyon Kim

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Extension and shear viscosities of polypropylene (PP) and poly(styrene-co-acrylonitrile) (SAN) were investigated by the advanced rheometric expansion system (ARES), capillary rheometer, and extension rheometer. Blends of PP and SAN were prepared by screw extrusion with weight fraction of PP in the blends from 0.9 to 0.10. Shear and transient extension viscosity ratios were used in the Utracki, Miles and Zurek, and Metelkin and Blekht models to obtain the weight fraction of phase inversion for the blends. For the Utracki model, the weight fraction of the phase inversion for PP in the PP/SAN blend was 0.32 and 0.46 for the shear viscosity and transient extension viscosity ratios, respectively. From scanning electronic microscopy, the phase inversion was in the region of 45/55 PP/SAN blends. When the transient extension viscosity ratio was applied in the Utracki model, phase inversion in the PP/SAN blend showed good agreement with morphological studies of the blends.

Original languageEnglish
Pages (from-to)127-132
Number of pages6
JournalPolymer Journal
Volume35
Issue number2
DOIs
Publication statusPublished - 2003 May 14

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Acrylonitrile
Styrene
Polypropylenes
Shear viscosity
Rheometers
Viscosity
Extrusion
Microscopic examination
Scanning

Keywords

  • Morphology
  • Phase inversion
  • Polymer blends
  • Rheological properties

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Rheological properties and phase inversion of polypropylene and poly(styrene-co-acrylonitrile) blends. / Han, Min Soo; Seo, Won Jin; Paik, Han Sung; Hyun, Jae Chun; Lee, Jae Wook; Kim, Woo Nyon.

In: Polymer Journal, Vol. 35, No. 2, 14.05.2003, p. 127-132.

Research output: Contribution to journalArticle

Han, Min Soo ; Seo, Won Jin ; Paik, Han Sung ; Hyun, Jae Chun ; Lee, Jae Wook ; Kim, Woo Nyon. / Rheological properties and phase inversion of polypropylene and poly(styrene-co-acrylonitrile) blends. In: Polymer Journal. 2003 ; Vol. 35, No. 2. pp. 127-132.
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AU - Lee, Jae Wook

AU - Kim, Woo Nyon

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