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Preparation of epoxy blends with nanoparticles by acoustic levitation technique
Author(s) -
Cao Youming,
Xie Wenjun,
Sun Jun,
Wei Bingbo,
Lin Shang'an
Publication year - 2002
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.10921
Subject(s) - materials science , epoxy , polyester , nanoparticle , composite material , levitation , acoustic levitation , phase (matter) , amorphous solid , polymer blend , polymer , copolymer , nanotechnology , magnet , chemistry , organic chemistry , physics , quantum mechanics
Three types of blends consisting of nano‐Al 2 O 3 particles, polyester, and epoxy resin were respectively prepared as suspended small balls in an acoustical levitator with a microgravity state. The microstructures of the blends were compared to those with identical composition prepared in a normal gravity field. The results showed that the nanoparticles was deposited at the bottom of blends, and the polyester possessed a sphere‐crystalline‐dispersed phase when the blends were prepared in the normal gravity field. However, the nanoparticles can be dispersed into epoxy resin at a nanoscale, and the polyester transformed to a highly dispersed amorphous phase when the blends were prepared by the acoustic levitation technique. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 86: 84–89, 2002
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