Abstract
Aggregation behavior of a novel amphiphilic polycarbosilane block copolymer was investigated. Polystyrene-b-poly(3-hydroxymethylsilacyclobutane) (PSt-b-PHMSB) was synthesized by sequential anionic block polymerization of styrene with 1,1-dimethyl-3-methylenesilacyclobutane in benzene at room temperature, followed by hydroboration-oxidation of C–C double bonds. PSt-b-PHMSB was soluble in a nonpolar solvent such as toluene and polar solvent such as methanol. From the results of small-angle X-ray scattering (SAXS) measurement of the polymer solution, it was suggested that the amphiphilic polymer formed aggregates like micelles in toluene and methanol.
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The scattering intensity of X-ray from more dilute solution than 0.5 wt% was so weak that it was not able to discuss about CMC in detail from SAXS data.
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Matsumoto, K., Miyagawa, K., Matsuoka, H. et al. Synthesis and Solution Behavior of the Silicon-Containing Amphiphilic Block Copolymer, Polystyrene-b-Poly(3-hydroxymethylsilacyclobutane). Polym J 31, 609–613 (1999). https://doi.org/10.1295/polymj.31.609
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DOI: https://doi.org/10.1295/polymj.31.609