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Correlation between the acoustic and porous cell morphology of polyurethane foam: Effect of interconnected porosity

โœ Scribed by Chunhua Zhang; Junqing Li; Zhen Hu; Fenglei Zhu; Yudong Huang


Book ID
116729991
Publisher
Elsevier Science
Year
2012
Weight
1014 KB
Volume
41
Category
Article
ISSN
0261-3069

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Acoustic absorbing foam materials are produced from dry natural rubber (NR) with the addition of sodium bicarbonate as a blowing agent. The acoustical efficiencies of NR foams were studied, and the results show a significant influence of the viscoelastic and damping properties of the base matrix. Bo