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Citation: Ying Zongrong, Wu Dacheng. Structure and Properties of Water-Soluble Polyester[J]. Chinese Journal of Applied Chemistry, ;1998, 15(5): 59-61. shu

Structure and Properties of Water-Soluble Polyester

Ying Zongrong ¹ ,
Wu Dacheng ²

1.
Department of Polymer Material, Nanjing University of Science & Technology, Nanjing 210094;
2.
Textile College, Sichuan Union University, Chengdu

Received Date: 29 December 1997
Revised Date: 27 May 1998

The molecular structure of a water-soluble polyester prepared by copolycondensation of dimethyl terephthalate, isophthalic acid, dimethyl isophathalate-5-sulfonic sodium with ethylene glycol, etc. and its thermal, crystal and rheological properties, as well as polyelectrolyte effect have been investigated by IR, ¹H NMR and rheometric techniques. The water-soluble polyester is found to be amorphous with glass temperature being 43.0 ℃ and softing point 129.7 ℃. Its melt has a shear thinning feature and shows a polyelectrolyte effect in solvents with high dielectric constant.
- water-soluble polyester,
- structure characterization,
- thermal property,
- crystal property,
- rheological property,
- polyelectrolyte effect
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