Paper Title:
Preparation and Characterization of Excellent Flame Retarded Rigid Polyurethane Foams
  Abstract

Rigid polyurethane foams were excellent thermal insulation materials with widely used, which was highly flammable at the same time. In order to obtain safe application, flame retarded polyurethane foams were needed. In this paper, series flame retarded rigid polyurethane foams were prepared with loading different flame retardants such as ammonium polyphosphate, expandable graphite, red phosphorus, Tri (2-chloroethyl) phosphate and dimethyl methylphosphonate. The effects of flame retardants on the foaming-process and flame retardant property of the rigid polyurethane foams were investigated by otary viscometer and limiting oxygen index. The results showed that the combination of solid and liquid flame retardants was necessary to improve the flame retardant and different flame retardants played synergistic roles in rigid polyurethane foams. The limiting oxygen indexes of the foams could be up to 30wt% and 29.6% with 25wt% solid flame retardants and 10wt% liquid retardants, respectively.

  Info
Periodical
Advanced Materials Research (Volumes 374-377)
Chapter
Chapter 8: Recycling and Reusing of Building Material
Edited by
Hui Li, Yan Feng Liu, Ming Guo, Rui Zhang and Jing Du
Pages
1563-1566
DOI
10.4028/www.scientific.net/AMR.374-377.1563
Citation
A. Z. Zhang, Y. H. Zhang, "Preparation and Characterization of Excellent Flame Retarded Rigid Polyurethane Foams", Advanced Materials Research, Vols. 374-377, pp. 1563-1566, 2012
Online since
October 2011
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Price
$32.00
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