Process for recycling polytrimethylene terephthalate cyclic dimer
This invention relates to a process of producing polytrimethylene terephthalate by esterification of terephthalic acid with 1,3-propane diol, precondensation of the esterification product to obtain a precondensation product, and polycondensation of the precondensation product to obtain polytrimethyl...
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| Sprache: | eng |
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