1H and13C NMR investigation of the intramolecular structure of solution and emulsion styrene-methyl acrylate copolymers

G.H.J. van Doremaele; A.L. German; N.K. Vries, de; G.P.M. Velden, van der

doi:10.1021/ma00221a005

1H and13C NMR investigation of the intramolecular structure of solution and emulsion styrene-methyl acrylate copolymers

G.H.J. van Doremaele, A.L. German, N.K. Vries, de, G.P.M. Velden, van der

Chemical Engineering and Chemistry

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Abstract

Compn. and sequence distribution of Me acrylate-styrene copolymer (I) obtained by soln. polymn. could be described according to the integrated Alfrey-Mayo model. The exptl. sequence distribution, in terms of 13C NMR-detd. triad fractions of I obtained by emulsion polymn., confirmed the validity of the model calcns. used. Moreover, a comparison between the 1H NMR spectra of the emulsion copolymer and the model calcns. of the triad fractions, demonstrated that under the described exptl. conditions, the coisotacticity parameter of I was independent of the polymn. process used; i.e., s = 0.9 provided the Ito-Yamashita assignment was correct or s = 0.3 provided the alternative assignment was correct

Original language	English
Pages (from-to)	4206-4215
Journal	Macromolecules
Volume	23
Issue number	19
DOIs	https://doi.org/10.1021/ma00221a005
Publication status	Published - 1990

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title = "1H and13C NMR investigation of the intramolecular structure of solution and emulsion styrene-methyl acrylate copolymers",

abstract = "Compn. and sequence distribution of Me acrylate-styrene copolymer (I) obtained by soln. polymn. could be described according to the integrated Alfrey-Mayo model. The exptl. sequence distribution, in terms of 13C NMR-detd. triad fractions of I obtained by emulsion polymn., confirmed the validity of the model calcns. used. Moreover, a comparison between the 1H NMR spectra of the emulsion copolymer and the model calcns. of the triad fractions, demonstrated that under the described exptl. conditions, the coisotacticity parameter of I was independent of the polymn. process used; i.e., s = 0.9 provided the Ito-Yamashita assignment was correct or s = 0.3 provided the alternative assignment was correct",

author = "{van Doremaele}, G.H.J. and A.L. German and {Vries, de}, N.K. and {Velden, van der}, G.P.M.",

year = "1990",

doi = "10.1021/ma00221a005",

language = "English",

volume = "23",

pages = "4206--4215",

journal = "Macromolecules",

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publisher = "American Chemical Society",

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T1 - 1H and13C NMR investigation of the intramolecular structure of solution and emulsion styrene-methyl acrylate copolymers

AU - van Doremaele, G.H.J.

AU - German, A.L.

AU - Vries, de, N.K.

AU - Velden, van der, G.P.M.

PY - 1990

Y1 - 1990

N2 - Compn. and sequence distribution of Me acrylate-styrene copolymer (I) obtained by soln. polymn. could be described according to the integrated Alfrey-Mayo model. The exptl. sequence distribution, in terms of 13C NMR-detd. triad fractions of I obtained by emulsion polymn., confirmed the validity of the model calcns. used. Moreover, a comparison between the 1H NMR spectra of the emulsion copolymer and the model calcns. of the triad fractions, demonstrated that under the described exptl. conditions, the coisotacticity parameter of I was independent of the polymn. process used; i.e., s = 0.9 provided the Ito-Yamashita assignment was correct or s = 0.3 provided the alternative assignment was correct

AB - Compn. and sequence distribution of Me acrylate-styrene copolymer (I) obtained by soln. polymn. could be described according to the integrated Alfrey-Mayo model. The exptl. sequence distribution, in terms of 13C NMR-detd. triad fractions of I obtained by emulsion polymn., confirmed the validity of the model calcns. used. Moreover, a comparison between the 1H NMR spectra of the emulsion copolymer and the model calcns. of the triad fractions, demonstrated that under the described exptl. conditions, the coisotacticity parameter of I was independent of the polymn. process used; i.e., s = 0.9 provided the Ito-Yamashita assignment was correct or s = 0.3 provided the alternative assignment was correct

U2 - 10.1021/ma00221a005

DO - 10.1021/ma00221a005

M3 - Article

VL - 23

SP - 4206

EP - 4215

JO - Macromolecules

JF - Macromolecules

SN - 0024-9297

IS - 19

ER -

1H and13C NMR investigation of the intramolecular structure of solution and emulsion styrene-methyl acrylate copolymers

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