Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

Citation: Zeng-ge Guo, Xin Li, Jian Li, Bin Zhang, Bo-wen Cheng. Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt[J]. Chinese Journal of Polymer Science, 2014, 32(7): 923-930. doi: 10.1007/s10118-014-1482-1 shu

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

1.
1. State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, China
2.
2. State Key Laboratory of Bio-based Fiber Manufacture Technology, China Textile Academy, Beijing 100080, China
3.
4.
State Key Laboratory of Bio-based Fiber Manufacture Technology, China Textile Academy, Beijing 100080, China
5.
State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, China

通讯作者: Bo-wen Cheng,

基金项目:
This work was financially supported by the National Twelfth Five-Year Plan for Science Technology (2011BAE05B00) and the State Key Laboratory of Hollow Fiber Membrane Materials and Processes.

摘要: The effect of reverse pressure.on rheological behavior has been studied. The apparatus is a capillary rheometer with counter pressure chamber being held at a high reverse pressure by means of a cock. The results show that with the increase in temperature, the shear viscosity of hydrophilic PET is reduced. It is different that the effect of temperature on shear viscosity is varied under the condition of all shear rates or all pressures, and the effect is more prominent at 50 MPa or at 216 s-1. At the same time, the pressure coefficients decrease with increasing the shear rate and the temperature and tend to reach a constant value nearly at the temperature of 290 ℃.

关键词:

English

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

1.
1. State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, China
2.
2. State Key Laboratory of Bio-based Fiber Manufacture Technology, China Textile Academy, Beijing 100080, China
3.
4.
State Key Laboratory of Bio-based Fiber Manufacture Technology, China Textile Academy, Beijing 100080, China
5.
State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, China

Corresponding author: Bo-wen Cheng,

Received Date: 29 October 2013
Revised Date: 13 January 2014
Available Online: 05 July 2014
Fund Project:
This work was financially supported by the National Twelfth Five-Year Plan for Science Technology (2011BAE05B00) and the State Key Laboratory of Hollow Fiber Membrane Materials and Processes.

Abstract: The effect of reverse pressure.on rheological behavior has been studied. The apparatus is a capillary rheometer with counter pressure chamber being held at a high reverse pressure by means of a cock. The results show that with the increase in temperature, the shear viscosity of hydrophilic PET is reduced. It is different that the effect of temperature on shear viscosity is varied under the condition of all shear rates or all pressures, and the effect is more prominent at 50 MPa or at 216 s-1. At the same time, the pressure coefficients decrease with increasing the shear rate and the temperature and tend to reach a constant value nearly at the temperature of 290 ℃.

Key words:

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

通讯作者: Bo-wen Cheng,

English

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

Corresponding author: Bo-wen Cheng,

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

通讯作者: Bo-wen Cheng,

English

Influence of Reverse Pressure on the Shear Viscosity of Hydrophilic Poly(ethylene terephthalate) Melt

Corresponding author: Bo-wen Cheng,

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