引用本文:
应宗荣, 吴大诚. 水溶性聚酯的结构和性能[J]. 应用化学,
1998, 15(5): 59-61.
Citation: Ying Zongrong, Wu Dacheng. Structure and Properties of Water-Soluble Polyester[J]. Chinese Journal of Applied Chemistry, 1998, 15(5): 59-61.
Citation: Ying Zongrong, Wu Dacheng. Structure and Properties of Water-Soluble Polyester[J]. Chinese Journal of Applied Chemistry, 1998, 15(5): 59-61.
水溶性聚酯的结构和性能
English
Structure and Properties of Water-Soluble Polyester
Abstract:
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.
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