The change of the molecular weight of poly(ethylene 2,6-naphthalate) and poly(ethylene terephthalate) blend with reaction time

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The extent of transesterification reaction, intrinsic viscosity, weight-average molecular weight and hydrodynamic radius of poly(ethylene 2,6-naphthalate) (PEN)/poly(ethylene terephthalate) (PET) (50/50, w/w) blend were measured as a function of reaction time at 280 degrees C. In PEN/PET blend, the reactions between end groups as well as the transesterification should be considered since the molecular weight of the blend increases with reaction time. (C) 1997 Elsevier Science Ltd.
Publisher
ELSEVIER SCI LTD
Issue Date
1997-11
Language
English
Article Type
Article
Keywords

DICARBOXYLATE) POLY(ETHYLENE-TEREPHTHALATE) BLENDS; A POLYCARBONATE BLENDS; TRANS-ESTERIFICATION; PHASE-BEHAVIOR; TRANSREACTION; POLYARYLATE; MISCIBILITY

Citation

POLYMER, v.38, no.24, pp.6079 - 6081

ISSN
0032-3861
DOI
10.1016/S0032-3861(97)00257-7
URI
http://hdl.handle.net/10203/5213
Appears in Collection
CBE-Journal Papers(저널논문)
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