Abstract
Poly(oxy-1-chloromethylethylene-co-oxyethylene) copolymer (PECH–PEO) has been modified chemically by phenolate, producing dehydrochlorination as a side reaction, because of its basic character. The comonomer composition of the resulting poly(oxy-1-chloromethylethylene-co-oxyethylene-co-oxy-1-methyleneethylene-co-oxy-1-phenoxy-methylethylene) can be quantitatively determined by 13C NMR spectroscopy. A series of copolymeric models were synthesized to make the complete assignment of all the signals appearing in the spectrum of the tetrapolymer. The various 13C NMR signals in the spectra were assigned to dyads, triads or tetrads of all the possible comonomer sequences and in some cases to the tacticity.
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