4.3 Article

New flexible aerogels and xerogels derived from methyltrimethoxysilane/dimethyldimethoxysilane co-precursors

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 43, Pages 17077-17079

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm13664j

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [22750203, 20350094]
  2. MEXT, Japan [B-09]

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We report new flexible marshmallow-like'' aerogels and xerogels with a bendable feature from the methyltrimethoxysilane (MTMS) and dimethyldimethoxysilane (DMDMS) co-precursor systems. A 2-step acid/base sol-gel process and surfactant are employed to control the phase separation of the hydrophobic networks, which give porous monolithic gels. The obtained gels become softer and more flexible with increasing DMDMS fractions.

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