The sound insulation property of composite from waste printed circuit board and unsaturated polyester

The sound insulation property of composite from waste printed circuit board and unsaturated polyester

The sound insulation property of Waste printed circuit boards (WPCBs)/unsaturated polyester (UP) composite plate has been investigated. The effect of WPCB particle size and mass ratio on the surface density, elastic modulus and weighted sound reduction index has been studied. The results showed that...

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Veröffentlicht in:Composites science and technology 2017-06, Vol.145, p.132-137
Hauptverfasser: Cai, Jun, Fu, Qiang, Long, Mingce, Liao, Guofeng, Xu, Zhenming
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic insulation
Circuit boards
Coarsening
Composite materials
Density
Functional composites
Impedance
Insulation
Mechanical properties
Modulus of elasticity
Particle size
Polyesters
Polymer-matrix composites (PMCs)
Printed circuit boards
Recycling
Sound
Sound transmission
Stiffness
Studies
Transmission loss
Waste materials
Waste printed circuit board
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Zusammenfassung:The sound insulation property of Waste printed circuit boards (WPCBs)/unsaturated polyester (UP) composite plate has been investigated. The effect of WPCB particle size and mass ratio on the surface density, elastic modulus and weighted sound reduction index has been studied. The results showed that WPCB addition caused the surface density increase especially for coarse particle because of the metal particle existence. The elastic modulus value was susceptible to the UP sufficiency to high WPCB mass ratio. The WPCB-UP composite plate shows sound insulation application potential because the maximum weighted sound reduction index of composite plate with particle size
ISSN:0266-3538
1879-1050
DOI:10.1016/j.compscitech.2017.03.043