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Study of the relationships between P...

Guo, Qingping.

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Study of the relationships between PVT and viscosity of polymers and predicting viscosity of polymer/gas systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Study of the relationships between PVT and viscosity of polymers and predicting viscosity of polymer/gas systems./
作者:	Guo, Qingping.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2002,
面頁冊數:	137 p.
附註:	Source: Masters Abstracts International, Volume: 64-10.
Contained By:	Masters Abstracts International64-10.
標題:	Mechanical engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ74071
ISBN:	9780612740716

Study of the relationships between PVT and viscosity of polymers and predicting viscosity of polymer/gas systems.
Guo, Qingping.

Study of the relationships between PVT and viscosity of polymers and predicting viscosity of polymer/gas systems. - Ann Arbor : ProQuest Dissertations & Theses, 2002 - 137 p.

Source: Masters Abstracts International, Volume: 64-10.

Thesis (M.A.Sc.)--University of Toronto (Canada), 2002.

This item must not be sold to any third party vendors.

This research investigated the relationships of the pressure-volume-temperature (PVT) and the zero-shear viscosity data of polymer melts through their correlations with the free volume. Polystyrene (PS) and polybutylene succinate (PBS) were used as case examples in this study. First, the fractional free volume was determined based on the PVT data of pure polymer using the Simha-Somcynsky equation-of-state (SS EOS). Then the fraction free volume was also determined based on the zero-shear viscosity using the Doolittle equation. These two data were observed to be almost the same. This implies that the SS EOS describes the PVT behaviors of a pure melt very well and the Doolittle equation well describes the zero-shear viscosity as a function of the fractional free volume. Efforts are also made to extend this concept of correlating the PVT data to the zero-shear and high-shear viscosity to a polymer/gas mixture.

ISBN: 9780612740716Subjects--Topical Terms:

649730
Mechanical engineering.

Study of the relationships between PVT and viscosity of polymers and predicting viscosity of polymer/gas systems.
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506 $a This item must not be added to any third party search indexes.
520 $a This research investigated the relationships of the pressure-volume-temperature (PVT) and the zero-shear viscosity data of polymer melts through their correlations with the free volume. Polystyrene (PS) and polybutylene succinate (PBS) were used as case examples in this study. First, the fractional free volume was determined based on the PVT data of pure polymer using the Simha-Somcynsky equation-of-state (SS EOS). Then the fraction free volume was also determined based on the zero-shear viscosity using the Doolittle equation. These two data were observed to be almost the same. This implies that the SS EOS describes the PVT behaviors of a pure melt very well and the Doolittle equation well describes the zero-shear viscosity as a function of the fractional free volume. Efforts are also made to extend this concept of correlating the PVT data to the zero-shear and high-shear viscosity to a polymer/gas mixture.
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