Multilayered organosiloxane films with self-healing ability converted from block copolymer nanocomposites
Yoshiaki Miyamoto1, Takamichi Matsuno1,2,3, Atsushi Shimojima1,2,3
1Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan. shimojima@waseda.jp.
Abstract:
Self-healable, multilayered organosiloxane films were prepared via thermal conversion of lamellar organosiloxane films containing poly(ethylene oxide)-polydimethylsiloxane-poly(ethylene oxide) block copolymers. The incorporation of silanolate groups enabled crack healing through dynamic siloxane equilibration. The enhanced hardness and suppressed cyclic siloxane formation resulting from the multilayered structure exhibit potential for practical applications.
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