Abstract
Abstract Polystyrene/Poly(Ethyl acrylate-n-Butyl acrylate) (PS/P(EA-nBA) latex interpenetrating polymer networks (LIPNs) were synthesized by a two stage emulsion polymerisation technique. The effects of fillers and PMMA/P(EA-EMA) LIPN on damping of the LIPNs have been investigated. The results indicate that inorganic fillers produce increases in tan δ values and broaden the damping temperature range. Among the fillers, mica has shown good result on damping properties. Blending of PS/(EA-nBA) LIPN with PMMA/P(EA-EMA) LIPN produces similar results as the inorganic fillers. Damping materials whose tan 8 values exceed 0.5 over 82°C temperature range between -21.3 and 60.7 has been obtained.
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