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Synthesis and investigation of polyphenyldimethylsiloxane block copolymers with bimodal chain length distribution of oligodimethylsiloxane blocks

  • Physical Chemistry
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Abstract

Siloxane block copolymers containing linear dimethylsiloxane (DMS) and cyclolinear phenylsilsesquioxane blocks were synthesized. A peculiarity of the copolymers is a bimodal distribution of linear DMS blocks in the polymer chain. The results of X-ray diffraction. thermomechanical, and DSC studies of bimodal block copolymers indicate a higher degree of microphase separation of the blocks as compared to unimodal block copolymers.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813, Moscow, Russian Federation

    A. Yu. Rabkina, B. G. Zavin, L. I. Kuteinikova, I. I. Dubovik, M. N. Il'ina, M. V. Gerasimov & V. S. Papkov

Authors
  1. A. Yu. Rabkina
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  2. B. G. Zavin
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  3. L. I. Kuteinikova
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  4. I. I. Dubovik
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  5. M. N. Il'ina
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  6. M. V. Gerasimov
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  7. V. S. Papkov
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Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1542–1546, September, 2000.

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Rabkina, A.Y., Zavin, B.G., Kuteinikova, L.I. et al. Synthesis and investigation of polyphenyldimethylsiloxane block copolymers with bimodal chain length distribution of oligodimethylsiloxane blocks. Russ Chem Bull 49, 1531–1535 (2000). https://doi.org/10.1007/BF02495155

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  • DOI: https://doi.org/10.1007/BF02495155

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