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Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 42:2321-2328
The polycondensation of isophthalic acid (IPA)/terephthalic acid (TPA) with aromatic diols by tosyl chloride/dimethylformamide/pyridine in solution was examined through changes in the IPA/TPA compositions, the kinds of dihydroxyl components, the peri