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Polydimethyldiphenylsiloxanes/silica interconnected networks: preparation and properties evaluation

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Abstract

A series of copolymers, polydimethyldiphenylsiloxane-α,ω-diols, differing by compositions and molecular masses has been prepared by equilibrium anionic ring-opening copolymerization of octamethylcyclotetrasiloxane with octaphenylcyclotetrasiloxane in presence of tetramethylammonium hydroxide as a catalyst. These copolymers were used as matrix for the in situ developing silica networks. The crosslinking of the copolymers concomitantly occurs by reaction between the ending silanol groups and tetraethoxysilane, thus the polydiorganosiloxane network interconnects with the silica one. The resulted materials processed as films (thickness 0.25–1.50 mm) were investigated by various techniques in order to evaluate morphology, optical properties, and thermal behavior. The results were compared with those obtained by model samples based on polydimethylsiloxanes/silica.

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References

  1. Visser SA, Hewitt CE, Binga TD (1996) Stability of filled poly(dimethylsiloxane) and poly(diphenylsiloxane-co-dimethylsiloxane) elastomers to cyclic stress at elevated temperature. J Polym Sci B 34(9):1679–1689

    Article  CAS  Google Scholar 

  2. Evmenenko G, Mo H, Kewalramani S, Dutta P (2006) X-ray reflectivity study of ultrathin liquid films of diphenylsiloxane-dimethylsiloxane copolymers. Langmuir 22:6245–6248

    Article  CAS  Google Scholar 

  3. Deshpande G, Rezac ME (2001) The effect of phenyl content on the degradation of poly(dimethyl diphenyl) siloxane copolymers. Polym Degrad Stab 74:363–370

    Article  CAS  Google Scholar 

  4. Deshpande G, Rezac ME (2002) Kinetic aspects of the thermal degradation of poly(dimethyl siloxane) and poly(dimethyl diphenyl siloxane). Polym Degrad Stab 76:17–24

    Article  CAS  Google Scholar 

  5. Yang MH, Huang WJ, Chien TC, Chen CM, Chang HY, Chang YS, Chou C (2001) Synthesis and thermal properties of diphenylsiloxane block copolymers. Polymer 42:8841–8846

    Article  CAS  Google Scholar 

  6. Voronkov MG, Mileshkevich VP, YuA Yuzhelevski (1978) The siloxane bond—physical properties and chemical transformations. Consultants Bureau, New York

    Google Scholar 

  7. Gelest (2004) Reactive silicones: forging new polymer links. http://www.gelest.com/company/pdfs/reactivesilicones.pdf

  8. Mark JE, Pan SJ (1982) Reinforcement of polydimethylsiloxane networks by in-situ precipitation of silica: a new method for preparation of filled elastomers. Macromol Rapid Commun 3:681–685

    Article  CAS  Google Scholar 

  9. Rajan GS, Sur GS, Mark JE, Schaefer DW, Beaucage G (2003) Preparation and characterization of some unusually transparent poly(dimethylsiloxane) nanocomposites. J Polym Sci B 41:1897–1901

    Article  CAS  Google Scholar 

  10. Van Dyke ME, Clarson SJ (1998) Reaction kinetics for the anionic ring-opening polymerization of tetraphenyltetramethylcyclotetrasiloxane using a fast initiator system. J Inorg Organomet Polym 8:111–117

    Article  Google Scholar 

  11. Kantor SW, Grubb WT, Osthoff RC (1954) The mechanism of the acid- and base-catalyzed equilibration of siloxanes. J Am Chem Soc 76:5190–5197

    Article  CAS  Google Scholar 

  12. Dvornic PR, Lenz RW (1990) High temperature siloxane elastomers. Huthig & Wepf, Basel

    Google Scholar 

  13. Bercea M, Cazacu M, Wolf BA (2003) Chain connectivity and conformational variability of polymers: clues to an adequate thermodynamic description of their solutions, 1. Dilute solutions. Macromol Chem Phys 204:1371–1380

    Article  CAS  Google Scholar 

  14. Chojnowski J (1991) Kinetically controlled siloxane ring-opening polymerization. J Inorg Organomet Polym 1:299–323

    Article  CAS  Google Scholar 

  15. Gilbert AR, Kantor SN (1959) Transient catalysts for the polymerization of organosiloxanes. J Polym Sci 40:35–58

    Article  CAS  Google Scholar 

  16. Babu GN, Christopher SS, Newmark RA (1987) Poly(dimethylsiloxane-co-diphenylsiloxanes): synthesis, characterization, and sequence analysis. Macromolecules 20:2654–2659

    Article  CAS  Google Scholar 

  17. Itoh T (2001) Spectroscopy and photophysics of methylphenylsiloxane and diphenylsiloxane-based molecules and polymers. Res Chem Intermed 27:669–685

    Article  CAS  Google Scholar 

  18. Ali ZI, Youssef HA, Said HM, Saleh HH (2005) Thermal stability of LDPE, iPP and their blends. Thermochim Acta 438:70–75

    Article  CAS  Google Scholar 

  19. Chrusciel J, Janowska G, Rybinski P, Slusarski L (2006) Effect of the top layer modification of polymers on their thermostability and flammability. J Therm Anal Calorim 84:339–344

    Article  CAS  Google Scholar 

  20. Rudnik E, Matuschek G, Milanov N, Kettrup A (2006) Thermal stability and degradation of starch derivatives. J Therm Anal Calorim 85:267–270

    Article  CAS  Google Scholar 

  21. Andrianov KA, Odinets VA (1957) Stability of the silicon-carbon bond in ar-chlorinated trichlorophenyl- and dichloroethylphenyl-silanes. Russ Chem Bull 6(8):988–993

    Article  Google Scholar 

  22. Bazant V, Chvalovsky V, Rathousky J (1965) Organosilicon compounds, vol 1. Publishing House of the Czechoslovak Academy of Science, Prague, p 225

    Google Scholar 

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Acknowledgements

This research has been financially supported by Project PNCD II-PC Contract nr. 71006/18.09.2007. The authors are grateful to Dr. Anton Airinei for UV–Vis and fluorescence spectra registering.

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Authors and Affiliations

  1. “Petru Poni” Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41A, 700487, Iasi, Romania

    Maria Cazacu, Angelica Vlad, Mihaela Alexandru & Carmen Racles

  2. National Institute for Research and Development in Electrical Engineering ICPE-CA, Splaiul Unirii 313, 030138, Bucharest, Romania

    Petru Budrugeac

  3. Faculty of Physics, “Al. I. Cuza” University, Blvd. Carol I 11, 700506, Iasi, Romania

    Felicia Iacomi

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  1. Maria Cazacu
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  2. Angelica Vlad
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  3. Mihaela Alexandru
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  4. Petru Budrugeac
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  6. Felicia Iacomi
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Correspondence to Maria Cazacu.

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Cazacu, M., Vlad, A., Alexandru, M. et al. Polydimethyldiphenylsiloxanes/silica interconnected networks: preparation and properties evaluation. Polym. Bull. 64, 421–434 (2010). https://doi.org/10.1007/s00289-009-0147-7

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  • DOI: https://doi.org/10.1007/s00289-009-0147-7

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