Preparation and properties of organic-inorganic hybrid materials from sodium silicate

SummaryIn this study, organic-inorganic hybrid monomer, poly silicic acid urethane methacrylate (PSUMA), was prepared by reaction of poly silicic acid extracted from sodium silicate aqueous solution with THF and 2-(methacryloyloxy)ethyl isocyanate. The PSUMA was copolymerized with methyl methacrylat...

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Published inPolymer bulletin (Berlin, Germany) Vol. 52; no. 3-4; pp. 209 - 218
Main Authors SUGIMOTO, Hideki, NAKANISHI, Eiji, YANTAUCHI, Katsunori, DAIMATSU, Kazuki, YASUMURA, Takashi, INOMATA, Katsuhiro
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.10.2004
Berlin Springer Nature B.V
New York, NY
Subjects
Applied sciences
Aqueous solutions
Copolymerization
Copolymers
Diamond pyramid hardness
Exact sciences and technology
Isocyanates
Material properties
Mechanical properties
Modulus of elasticity
Physicochemistry of polymers
Polymethyl methacrylate
Sodium silicates
Thermodynamic properties
Polymer
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Summary:SummaryIn this study, organic-inorganic hybrid monomer, poly silicic acid urethane methacrylate (PSUMA), was prepared by reaction of poly silicic acid extracted from sodium silicate aqueous solution with THF and 2-(methacryloyloxy)ethyl isocyanate. The PSUMA was copolymerized with methyl methacrylate to obtain hybrid copolymers. The material properties such as mechanical properties, thermal properties, Vickers hardness, transparency and so on were evaluated. The PMMA-PSUMA hybrid copolymers kept high transparency and showed higher elastic modulus and Vickers hardness than those of raw PMMA. Moreover, in comparison with PMMA, the hybrid copolymers had greater heat-resistance and lower volume contraction.
ISSN:0170-0839
1436-2449
DOI:10.1007/s00289-004-0283-z