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Issue 55, 2018, Issue in Progress
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Design of nanostructured hybrid materials: twin polymerization of urethane-based twin prepolymers

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Abstract

Organic–inorganic hybrid materials with urethane functionalities were obtained by simultaneous twin polymerization of twin prepolymers in combination with the ideal twin monomer 2,2′-spirobi[4H-1,3,2-benzodioxasiline]. The twin prepolymers consist of a urethane-based prepolymer with reactive terminal groups which can react during the twin polymerization process. Nanostructured hybrid materials with integrated dialkylsiloxane crosslinked urethane structures, phenolic resin and SiO2 are obtained in a one pot process. The effects of the polymerization temperature as well as those of various catalysts and reagent ratios on the polymerization behavior were investigated. The molecular structures of the obtained materials were determined by 13C- and 29Si-{1H}-CP-MAS NMR spectroscopies. HAADF-STEM-measurements were performed to prove the distribution of silicon in the hybrid material.

Graphical abstract: Design of nanostructured hybrid materials: twin polymerization of urethane-based twin prepolymers

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Publication details

The article was received on 21 Jun 2018, accepted on 04 Sep 2018 and first published on 12 Sep 2018


Article type: Paper
DOI: 10.1039/C8RA05310C
RSC Adv., 2018,8, 31673-31681
  • Open access: Creative Commons BY-NC license
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    Design of nanostructured hybrid materials: twin polymerization of urethane-based twin prepolymers

    D. Uhlig, S. Spange, A. Seifert, K. Nagel, S. Anders, L. Kroll, R. Stoll, F. Thielbeer, P. Müller and K. Schreiter, RSC Adv., 2018, 8, 31673
    DOI: 10.1039/C8RA05310C

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