DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS

Zheng-hong Guo a; Zheng-ping Fang a

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DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS

Papers | Updated：2021-06-21

- DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS
- DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS
- 高分子科学（英文版） 2009年27卷第2期页码：183-188
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- 纸质出版：2009-03-20
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Zheng-hong Guo a, Zheng-ping Fang a. DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS[J]. 高分子科学（英文版）, 2009,27(2):183-188.

Zheng-hong Guo a, Zheng-ping Fang a. DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS[J]. 2009, 27(2): 183-188.
Zheng-hong Guo a, Zheng-ping Fang a. DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS[J]. 高分子科学（英文版）, 2009,27(2):183-188. DOI：

Zheng-hong Guo a, Zheng-ping Fang a. DYNAMIC RHEOLOGICAL ANALYSIS AS A SENSITIVE METHOD FOR ANALYZING STRUCTURAL CHANGES DURING THERMO-OXIDATION OF POLYOLEFIN ELASTOMERS[J]. 2009, 27(2): 183-188. DOI：

摘要

Dynamic rheological analysis and Fourier transform infrared spectroscopy (FTIR) were used to study the effects of thermo-oxidation on the viscoelasticity and microstructure of polyolefin elastomers (POE). It was found that dynamic storage modulus (G′) and dynamic loss modulus (G〞) at low frequency region can sensitively reflect the change of microstructure of POE

which can be seen through the “second plateau” appeared in G′ versus #61559; plots at low frequencies. The frequency dependence of loss tangent (tanδ) measured under different frequency sweeps showed that the thermo-oxidative behaviors of POE relied on the holding time. The dynamic rheology test was found to be a sensitive technique for analyzing the structural changes during thermo-oxidation of polymers.

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