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The characterization of a poly(ethylene terephthalate)–poly(tetramethylene ether) multiblock copolymer via cross fractionation and size exclusion chromatography
Author(s) -
Zhonge Xu,
Ping Yuang,
Jingguo Zhong,
Erfang Jiang,
Meiyan Wu,
Fetters Lewis J.
Publication year - 1989
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/app.1989.070371111
Subject(s) - copolymer , size exclusion chromatography , fractionation , gel permeation chromatography , ethylene , ether , molar mass distribution , polymer chemistry , materials science , molecular mass , characterization (materials science) , chromatography , chemistry , polymer , organic chemistry , composite material , catalysis , nanotechnology , enzyme
A poly(ethylene terephthalate)–poly(tetramethylene ether) multisegment block copolymer has been characterized by cross fractionation, where the individual fractions were then analyzed via size exclusion chromatography. The use of dual detectors (refractive index and ultraviolet) allowed both the compositional heterogeneities and molecular weight distributions to be evaluated. The SEC based molecular weights were supplemented by osmometric based molecular weights.