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- W1539455525 abstract "The polyesterification reaction in relation to proton catalysis was studied. The polycondensation reactions of maleic, fumaric, phthalic, succinic, adipic, and sebacic acids with various glycols were studied in the melt without catalysts. The results were classified into two groups. In the first group belong those reactions which proceed in the initial stage at a considerably greater rate than in the main stage, which kinetically is second order. The reactions of acids with greatly differing first and second dissociation constants, and with a high first dissociation constant, belong into this group. Acids with a relatively small difference between their first and second dissociation constants and a lower first dissociation constant belong in the second group. A reaction order of 2.5 was obtained for these acids. To provide evidence for a correlation between the auto-catalytic effect and the dissociation constant, maleic and fumaric acids were esterified with methyl alcohol both with and without a foreign acid catalyst." @default.
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- W1539455525 date "1967-01-01" @default.
- W1539455525 modified "2023-09-25" @default.
- W1539455525 title "Studies on the kinetics of polyesterification" @default.
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- W1539455525 doi "https://doi.org/10.1002/polc.5070160710" @default.
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