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Journal of Polymer Research

, 27:31 | Cite as

Influence of pentaerythritol on the properties of polyvinyl alcohol films for the polarizers

  • Sumei Zhang
  • Huiyang Yu
  • Qiang Chen
  • Haotian Hu
  • Yingxu Song
  • Jinyao ChenEmail author
  • Ya Cao
  • Ming Xiang
ORIGINAL PAPER
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Abstract

Pentaerythritol was used as the plasticizer to prepare PVA films through solution casting method. The interaction between pentaerythritol and PVA was studied by FTIR. The crystallinity of raw PVA and modified PVA films was characterized by X-ray diffraction. The effect of the addition of pentaerythritol on the swelling properties, mechanical properties and optical properties of PVA films were investigated. The experimental results showed that the addition of pentaerythritol destroyed the hydrogen bonding in the PVA molecule and reduced the crystallinity of PVA. As the pentaerythritol content increased, the swelling property of the PVA films was significantly improved. The addition of pentaerythritol into PVA resulted in the increase of elongation at break, as well as the decrease of tensile strength. As the amount of pentaerythritol added, the optical performance of the PVA films was improved.

Keywords

Polyvinyl alcohol Pentaerythritol X-ray diffraction Raman spectroscopy UV–vis spectroscopy 

Notes

Acknowledgments

This work was supported by the major project of National Natural Science Foundation of China (NSFC 51890873).

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Copyright information

© The Polymer Society, Taipei 2020

Authors and Affiliations

  • Sumei Zhang
    • 1
  • Huiyang Yu
    • 1
  • Qiang Chen
    • 1
  • Haotian Hu
    • 1
  • Yingxu Song
    • 1
  • Jinyao Chen
    • 1
    Email author
  • Ya Cao
    • 1
  • Ming Xiang
    • 1
  1. 1.State Key Laboratory of Polymer Materials EngineeringPolymer Research Institute of Sichuan UniversityChengduPeople’s Republic of China

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