Aromatic-aliphatic copolyesters—I. Synthesis and characterization |
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Authors: | P Bajaj DN Khanna GN Babu |
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Institution: | Fiber Science Laboratories, Indian Institute of Technology, New Delhi 110029, India |
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Abstract: | Copolyesters have been synthesized by interfacial polycondensation of 2,2-bis(4-hydroxyphenyl)-propane or phenolphthalein as aromatic diol and ethylene glycol or polyethylene glycol as aliphatic diol in various mole ratios with terephthaloyl or isophthaloyl chloride. Chemical compositions, dilute solution viscosities and solubility behaviours of these polymers have been investigated. The introduction of aliphatic diol in aromatic polyesters influences Tg, softening point, chemical resistance and thermal stability. |
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