Damping Property of Rigid Polyurethane Foam

doi:10.19491/j.issn.1001-9278.2008.08.011

China Plastics ›› 2008, Vol. 22 ›› Issue (08): 50-53 .DOI: 10.19491/j.issn.1001-9278.2008.08.011

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Damping Property of Rigid Polyurethane Foam

GAO Yong ，LU Ai，HUANG Yi一Gang

1 .Materials Science and Engineering College,Southwast University of Science and Technology, Mianyang 621002, China;2. Institute of Chemical Materials,C;hina Academy of Engineering Physics, Mianyang 621900, China

Received:2008-05-05 Revised:1900-01-01 Online:2008-08-26 Published:2008-08-26

Abstract

Abstract: The parameters affecting the damping property of rigid polyurethane foam (RPUF) were in-vcstigatcd.It showed that the damping factor increased with increasing porosity and cros、一linking dcnsity.八t the same porosity, the damping factor increased with increasing filler content. When the content
of nano-CaC03 was 5 vol%，the loss factor was above 0 .04 between一20一100℃.

Key words: rigid polyurethane foam, damp property, filler, cros, 一linking density

GAO Yong, LU Ai, HUANG Yi一Gang. Damping Property of Rigid Polyurethane Foam[J]. China Plastics, 2008, 22(08): 50-53 .

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