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Metalloxane Cage Compounds as an Element-Block

  • Takahiro GunjiEmail author
  • Satoru Tsukada
Chapter

Abstract

A titanium phosphonate cluster with a formula of [Ti43-O)(OiPr)5(μ-OiPr)3(PhPO3)3]·thf was synthesized by the reaction of titanium tetraisopropoxide with phenylphosphonic acid in tetrahydrofuran and the following hydrolysis. The titanium cluster phosphonate was mixed with poly(dimethylsiloxane) (PDMS), poly(methylsilsesquioxane), poly(ethoxysilsesquioxane), poly(methyl methacrylate) (PMMA), poly(vinyl alcohol) (PVA), poly(4-vinylphenol), poly(styrene-co-allyl alcohol), or poly(bisphenol A-co-epichlorohydrin) to form a hybrid film. The mechanical strengths and strains of PDMS hybrids were very low. The tensile strengths and elongations of PMMA hybrids increased with the increase in the titanium cluster concentration. The tensile strengths and elongations of PVA hybrids were highest when the titanium cluster concentration was 10 wt%.

Keywords

Element-block Titanium phosphonate cluster Organic-inorganic hybrid Poly(methyl methacrylate) Poly(vinyl alcohol) 

Notes

Acknowledgments

This work was supported by a Grant-in-Aid for Scientific Research on Innovative Areas “New Polymeric Materials Based on Element-Blocks (No.2401)” (JSPS KAKENHI Grant Number JP24102008). This work was supported by JSPS KAKENHI Grant Number JP16K17951.

Shinji Ogihara, Ryuta Kitamura, and Ryosuke Matsuzaki are greatly acknowledged for their technical assistance in the tensile strength measurement.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Pure and Applied Chemistry, Faculty of Science and TechnologyTokyo University of ScienceNodaJapan
  2. 2.Advanced Automotive Research Collaborative Laboratory, Graduate School of EngineeringHiroshima UniversityHigashi-Hiroshima CityJapan

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