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ISSN: 2165-8064

Journal of Textile Science & Engineering
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Review Article

Solid State Characterization and the Thermal Properties of Stereoregular Poly(vinyl chloride) Prepared by Urea Clathrate Polymerization

Minagawa M*

NPO: Dream Create Laboratories, 992-1446 Naoe-Sekite 3800-1, Yonezawa, Yamagata, Japan

*Corresponding Author:
Minagawa M
NPO: Dream Create Laboratories
992- 1446 Naoe-Sekite 3800-1
Yonezawa, Yamagata, Japan
Tel: +81-(0)238-38-7360
Fax: +81-(0)238-38-7361
E-mail: [email protected]

Received Date: April 14, 2016; Accepted Date: April 25, 2016; Published Date: April 30, 2016

Citation: Minagawa M (2016) Solid State Characterization and the Thermal Properties of Stereoregular Poly(vinyl chloride) Prepared by Urea Clathrate Polymerization. J Textile Sci Eng 6:253. doi:10.4172/2165-8064.1000253

Copyright: © 2016 Minagawa M. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The solid state characterization of stereoregular poly vinyl chloride (PVC) prepared by urea clathrate polymerization was carried out in comparison with free radically prepared sample by using various instrumental analyses. The principle of urea clathrate polymerization by inclusion phenomenon was described from a purely experimental point of view. The stereo-chemical difference of the resulting PVC appeared in discoloration, solubility into solvents, IR, DSC, and TG curves. Solid state 13C NMR spectra also clearly indicate the structural difference of this polymer. In FT-IR spectra, particularly, Krimm’s novel results were confirmed in the 700-600 cm-1 region. A new characteristic band (at 2933 cm-1) appeared which was explained in terms of Fermi resonance, the enhanced intermolecular hydrogen bonding in highly ordered syndiotactic sequences. In the dynamic ESR measurements in the solid state, signal intensity of the bulk PVC increased rapidly, which was directly connected with TG curve under the linear heating conditions (~10°C/min).

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