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Thermal Softening Behavior and Application to Transparent Thick Films of Poly(benzylsilsesquioxane) Particles Prepared by the Sol–Gel Process
Author(s) -
Matsuda Atsunori,
Sasaki Teruyuki,
Hasegawa Koichi,
Tatsumisago Masahiro,
Minami Tsutomu
Publication year - 2001
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.2001.tb00740.x
Subject(s) - materials science , sol gel , softening point , indium tin oxide , composite material , micropatterning , glass transition , sintering , opacity , oxide , particle (ecology) , chemical engineering , polymer , nanotechnology , metallurgy , layer (electronics) , optics , geology , physics , engineering , oceanography
Thick films of poly(benzylsilsesquioxane) (BnSiO 3/2 ) particles, prepared by the sol–gel process, were deposited onto indium‐tin‐oxide‐coated glass substrates by electrophoresis for the application to the micropatterning of the films. BnSiO 3/2 particles were thermally softened and sintered at ∼50°C, which was above the glass transition temperature of the particles. The films prepared by the electrophoretic sol–gel deposition consisted of aggregates of particles with diameters of 0.2–1 μm and were opaque. The film shrank from 2.5 μm to 1.4 μm in thickness and became transparent upon sintering of the particles during heat treatment at temperatures >100°C.