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Synthesis, structure, and properties of hybrid organic–inorganic composites based on polysiloxanes. I. Poly(dimethylsiloxane) elastomers containing silica

✍ Scribed by D. W. McCarthy; J. E. Mark; D. W. Schaefer

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
454 KB
Volume
36
Category
Article
ISSN
0887-6266

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✦ Synopsis

Various synthetic protocols were used to prepare several classes of polysiloxane-silica filler systems. The structures of these fillers and their interactions with the polysiloxane matrices were studied using small-angle X-ray and neutron scattering. In addition, the mechanical properties of the composites were characterized using equilibrium stress-strain isotherms in elongation. The results indicated that manipulation of the chemical reactions used to generate the filler can lead to a wide range of complex structures and unusual properties. Some of the observed mechanical properties were correlated with information on the composite structures and on elastomer-filler interactions.

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Synthesis, structure, and properties of hybrid organic–inorganic composites based on polysiloxanes. II. Comparisons between poly(methylphenylsiloxane) and poly(dimethylsiloxane), and between titania and silica
✍ D. W. McCarthy; J. E. Mark; S. J. Clarson; D. W. Schaefer 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 304 KB

The work reported in the preceding article in this series is extended by consideration of polysiloxane-ceramic composites based on atactic poly(methylphenylsiloxane) (PMPS) elastomers instead of poly(dimethylsiloxane). The former is noncrystallizable because of its stereochemically irregular structu