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Article | REF: J6488 V1

PET or polyethylene terephthalate

Author: Jean-Pierre QUENTIN

Publication date: June 10, 2004 | Lire en français

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    4. Solid-phase postcondensation (PCS or SSP)

    4.1 Kinetic aspect

    Melt-phase polycondensation does not allow access to very high molecular weights, in particular, as we saw previously 1 , to those required by certain applications (industrial yarns and bottles). Indeed, at these temperatures, close to 270 ˚C, competition between polycondensation reactions and undesirable secondary reactions...

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