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Molten bisphenol-A polycarbonate - poly(ethylene terephthalate) blends. II. Kinetics of the exchange reaction. (1986)

Godard, P. ; Dekoninck, J. M. ; Devlesaver, V. ; [et al.]

Bognor Regis [u.a.] : Wiley-Blackwell

Journal of Polymer Science Part A: Polymer Chemistry 24 (1986), S. 3315-3324

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ISSN: 0887-624X

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The kinetic aspects of the bisphenol-A polycarbonate-polyethylene terephthalate exchange reaction are studied. Though the overall mechanism of transesterification is reversible, the kinetics can be treated from a more simple model of two consecutive reactions, due to the decomposition of the alkyl carbonate formed. The values of the kinetic parameters, similar to those obtained for the bisphenol-A polycarbonate-polybutylene terephthalate transesterification, suggest that the most likely mechanism is a direct ester-ester interchange reaction which can also be catalyzed by additives such as titanium derivatives.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/pola.1986.080241215

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