Rheological anomalies of the poly(ethylene 2, 6-naphthalate) and poly(ethylene terephthalate) blends depending on the compositions

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The effects of the transreactions on the rheological properties have been found in the poly(ethylene 2, 6-naphthalate) (PEN) and poly (ethylene terephthalate) (PET) blends. The rheological properties were very much dependent on the blend compositions, which, in turn, were related to extent of the reactions. In particular, a blend with 50/50 wt% composition exhibits an unusual and remarkable decrease in complex viscosity and it may be related to the randomness of the copolymer structure through transreactions. It has been identified by investigating the extent of transreactions and block length of the copolymer from the (ethylene 2, 6-naphthalate) (EN) and (ethylene terephthalate) (ET) units from $^1{H}$ n.m.r. spectra.
Publisher
한국유변학회
Issue Date
1999-09
Language
English
Citation

KOREA-AUSTRALIA RHEOLOGY JOURNAL, v.11, no.3, pp.219 - 223

ISSN
2093-7660
URI
http://hdl.handle.net/10203/76482
Appears in Collection
CBE-Journal Papers(저널논문)
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