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The effect of mechanochemical degradation on processability and porperties of PVC

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Abstract

The morphology and mechanical properties of PVC after vibro- or jet-milling as well as the rheological behavior of the mechanochemically degraded PVC were studied. The effect of vibro or jet-milling on the crystalline structure of PVC was examined through the crystalline absorption bands of FTIR spectra. The intensity of the crystalline absorption bands becomes weaker and indistinct with milling time. The PVC after milling results in improved melting efficiency, lower melt viscosity, shorter plasticizing time and higher tensile strength in comparing with those of the undegraded PVC due to the destruction of the crystalline structure and the decrease of molecular weight.

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Authors and Affiliations

  1. The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Chengdu University of Science and Technology, 610065, Chengdu

    Xi Xu, Shaoyun Guo & Zeqiong Wang

Authors
  1. Xi Xu
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  2. Shaoyun Guo
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  3. Zeqiong Wang
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Xu, X., Guo, S. & Wang, Z. The effect of mechanochemical degradation on processability and porperties of PVC. J Polym Res 2, 233–238 (1995). https://doi.org/10.1007/BF01492775

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  • DOI: https://doi.org/10.1007/BF01492775

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