The phase behavior of the newly found miscible polymer blends poly(4-trimethylsilylstyrene) and polyisoprene was investigated with optical microscopy (OM) and also with differential scanning calorimetry (DSC), while the degree of polymer-polymer interaction was evaluated with small-angle neutron scattering (SANS). The blends with homogeneous one phase at various compositions turned into two phases by heating, showing a lower critical solution temperature (LCST) type phase diagram with a critical temperature of 172 °C if the degree of polymerization is ca. 370. The blend gave a single glass transition temperature below the LCST, and the interaction parameter χ was represented as a function of temperature T according to the relationship χ = 0.027 - 9.5/T. © 2005 American Chemical Society.
CITATION STYLE
Harada, M., Suzuki, T., Ohya, M., Kawaguchi, D., Takano, A., & Matsushita, Y. (2005). Novel miscible polymer blend of poly(4-trimethylsilylstyrene) and polyisoprene. Macromolecules, 38(5), 1868–1873. https://doi.org/10.1021/ma048527+
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