Effect of Solvent on the Copolymerization of Styrene and Acrylonitrile. Application of the Bootstrap Effect to the Penultimate Unit Model

B. Klumperman, I.R. Kraeger

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Abstract

The copolymn. of styrene and acrylonitrile was investigated in bulk and in the solvents toluene, butanone, and N,N'-dimethylformamide. The comparison of the copolymers prepd. in the bulk system with copolymers obtained from copolymns. in the various solvents reveals a relatively small but noticeable solvent effect. All the systems display a significant penultimate unit effect. The copolymn. of styrene and acrylonitrile in the employed solvents can be explained by the qual. description of the bootstrap model. The comparison of the bulk with the toluene system seems to indicate that the quantification of the bootstrap model is not realized by the assumption that the distribution coeff. K is const. A modification of the earlier proposed method for quantification of the bootstrap effect is suggested. The distribution coeff. is linearly dependent on copolymer compn. The new method provides a good fit with exptl. results, whereas the used parameters have a distinct phys. meaning
Original languageEnglish
Pages (from-to)1529-1534
JournalMacromolecules
Volume27
Issue number6
DOIs
Publication statusPublished - 1994

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Acrylonitrile
Styrene
Copolymerization
Copolymers
Toluene
Butanones
Dimethylformamide

Cite this

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title = "Effect of Solvent on the Copolymerization of Styrene and Acrylonitrile. Application of the Bootstrap Effect to the Penultimate Unit Model",
abstract = "The copolymn. of styrene and acrylonitrile was investigated in bulk and in the solvents toluene, butanone, and N,N'-dimethylformamide. The comparison of the copolymers prepd. in the bulk system with copolymers obtained from copolymns. in the various solvents reveals a relatively small but noticeable solvent effect. All the systems display a significant penultimate unit effect. The copolymn. of styrene and acrylonitrile in the employed solvents can be explained by the qual. description of the bootstrap model. The comparison of the bulk with the toluene system seems to indicate that the quantification of the bootstrap model is not realized by the assumption that the distribution coeff. K is const. A modification of the earlier proposed method for quantification of the bootstrap effect is suggested. The distribution coeff. is linearly dependent on copolymer compn. The new method provides a good fit with exptl. results, whereas the used parameters have a distinct phys. meaning",
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Effect of Solvent on the Copolymerization of Styrene and Acrylonitrile. Application of the Bootstrap Effect to the Penultimate Unit Model. / Klumperman, B.; Kraeger, I.R.

In: Macromolecules, Vol. 27, No. 6, 1994, p. 1529-1534.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Effect of Solvent on the Copolymerization of Styrene and Acrylonitrile. Application of the Bootstrap Effect to the Penultimate Unit Model

AU - Klumperman, B.

AU - Kraeger, I.R.

PY - 1994

Y1 - 1994

N2 - The copolymn. of styrene and acrylonitrile was investigated in bulk and in the solvents toluene, butanone, and N,N'-dimethylformamide. The comparison of the copolymers prepd. in the bulk system with copolymers obtained from copolymns. in the various solvents reveals a relatively small but noticeable solvent effect. All the systems display a significant penultimate unit effect. The copolymn. of styrene and acrylonitrile in the employed solvents can be explained by the qual. description of the bootstrap model. The comparison of the bulk with the toluene system seems to indicate that the quantification of the bootstrap model is not realized by the assumption that the distribution coeff. K is const. A modification of the earlier proposed method for quantification of the bootstrap effect is suggested. The distribution coeff. is linearly dependent on copolymer compn. The new method provides a good fit with exptl. results, whereas the used parameters have a distinct phys. meaning

AB - The copolymn. of styrene and acrylonitrile was investigated in bulk and in the solvents toluene, butanone, and N,N'-dimethylformamide. The comparison of the copolymers prepd. in the bulk system with copolymers obtained from copolymns. in the various solvents reveals a relatively small but noticeable solvent effect. All the systems display a significant penultimate unit effect. The copolymn. of styrene and acrylonitrile in the employed solvents can be explained by the qual. description of the bootstrap model. The comparison of the bulk with the toluene system seems to indicate that the quantification of the bootstrap model is not realized by the assumption that the distribution coeff. K is const. A modification of the earlier proposed method for quantification of the bootstrap effect is suggested. The distribution coeff. is linearly dependent on copolymer compn. The new method provides a good fit with exptl. results, whereas the used parameters have a distinct phys. meaning

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