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Unperturbed chain dimensions of polyisobutylene in different solvents and at different temperatures

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Summary

Intrinsic viscosity of polyisobutylene is determined in different solvents and at different temperatures. The intrinsic viscosity is found to increase with the increase in temperature. These variations are explained in terms of variation in thermodynamic quality of the solvent. From these data, the upertubed parameter (k0) is determined. It is observed that it firstly increases with temperature and then seems to level off and is found to be different for different solvents. k0 is also correlated with different thermodynamic parameters like ΔH, δA, ψ and χ.

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Authors and Affiliations

  1. Department of Chemistry, Gomal University, Dera Ismail Khan, Pakistan

    Musa Kalem Baloch

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  1. Musa Kalem Baloch
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Baloch, M.K. Unperturbed chain dimensions of polyisobutylene in different solvents and at different temperatures. Polymer Bulletin 25, 245–251 (1991). https://doi.org/10.1007/BF00310799

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  • DOI: https://doi.org/10.1007/BF00310799

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