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Identification and determination of the glyceride and tris‐(2‐hydroxyethyl)isocyanurate structures in the average macromolecule of a polyester with carbon‐13‐NMR spectroscopy: Analysis of the polyester average structure
Author(s) -
Skarżyński Maciej,
Cynkowska Grażyna,
Abis Luigi,
Wawer Iwona,
Spera Silvia
Publication year - 1998
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19981024)70:4<675::aid-app6>3.0.co;2-n
Subject(s) - polyester , macromolecule , ethylene glycol , glyceride , polymer chemistry , copolymer , materials science , carbon 13 nmr , nuclear magnetic resonance spectroscopy , polymer , chemistry , organic chemistry , fatty acid , biochemistry
The 13 C‐NMR approach to quantitative analysis of a polyester resin synthesized from dimethylterephthalate, ethylene glycol, tris ‐(2‐hydroxyethyl)isocyanurate (THEIC), and glycerol is presented. Various glyceride and isocyanurate structures formed during the esterification have been identified and analyzed, at first in simple model systems and then in the structure of the resin. The contents of particular structural units were determined as well as a hypothetical average macromolecule of the resin defined. The assignments of 13 C‐NMR signals were made and correlated with the 1 H shifts using a 2D‐HETCOR experiment. © 1998 John Wiley & Sons, Inc. J. Appl. Polym. Sci. 70: 675–687, 1998