Quantitative structure-property relationships for binary polymer-solvent systems established by correlation weighing of local invariants for molecular graphs

A. A. Toropov, N. L. Voropaeva, I. N. Ruban, S. Sh Rashidova

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Abstract

Correlation coefficients are obtained between the physicochemical values in binary polymer-solvent system and descriptors calculated from the molecular graphs representing monomers and solvent molecules. These coefficients are examined in connection with the contributions of various local invariants of the graphs, such as the presence of various atoms in the macromolecule and the Morgan vertex degrees of the zeroth, first, second, and third order. The best one-parameter correlation between the Flory-Huggins parameter and the above descriptor calculated for the third-order Morgan degrees has the following statistical characteristics: n = 30, r = 0.9995, s = 0.028, F = 27537 (training set) and n = 30, r = 0.9986, s = 0.053, F = 10294 (test set). For the intrinsic viscosity the best model is based on the first-order connectivity and is characterized by n = 17, r = 0.9555, s = 0.126 cm3/g, F = 157 (training set) and n = 9, r = 0.9608, s = 0.143 cm3/g, F = 84 (test set).

Original languageEnglish
Pages (from-to)1509
Number of pages1
JournalVysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya
Volume41
Issue number9
Publication statusPublished - 1999

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Weighing
Polymers
Macromolecules
Monomers
Viscosity
Atoms
Molecules

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

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Quantitative structure-property relationships for binary polymer-solvent systems established by correlation weighing of local invariants for molecular graphs. / Toropov, A. A.; Voropaeva, N. L.; Ruban, I. N.; Rashidova, S. Sh.

In: Vysokomolekularnye Soedineniya. Ser.A Ser.B Ser.C - Kratkie Soobshcheniya, Vol. 41, No. 9, 1999, p. 1509.

Research output: Contribution to journalArticle

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