Volume 120, Issue 4 pp. 2095-2102

The effects of intumescent flame retardant including ammonium polyphosphate/pentaerythritol and fly ash fillers on the physicomechanical properties of rigid polyurethane foams

Corresponding Author

Ali Rıza Tarakcılar

Materials Science Division, Mechanical Engineering Department, Pamukkale University, Denizli 20070, Turkey

Materials Science Division, Mechanical Engineering Department, Pamukkale University, Denizli 20070, Turkey===Search for more papers by this author

Ali Rıza Tarakcılar,

Corresponding Author

Ali Rıza Tarakcılar

Materials Science Division, Mechanical Engineering Department, Pamukkale University, Denizli 20070, Turkey

Materials Science Division, Mechanical Engineering Department, Pamukkale University, Denizli 20070, Turkey===Search for more papers by this author

First published: 08 December 2010

https://doi.org/10.1002/app.33377

Citations: 45

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Abstract

In this study, rigid polyurethane foams that contain up to 5.0 wt % fly ash (FA) being a by-product of thermal power stations and being cheap source were successfully produced using a polyurethane injection machine. The effects of FA content on the thermal conductivity, compressive strength, and flammability were investigated. The morphology of the cell was observed under a special microscope. The incorporation of FA in rigid polyurethane foams may dramatically decrease production costs and reduce environmental pollution. In addition, the effects of intumescent flame retardant composed of ammonium polyphosphate and pentaerythritol were examined in pure rigid polyurethane foams and FA-rigid polyurethane foams. It was found that 5.0 and 7.5 wt % intumescent flame retardant loadings enhanced the thermal stability and improved the flammability resistance of the foams. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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Volume120, Issue4

15 May 2011

Pages 2095-2102

The effects of intumescent flame retardant including ammonium polyphosphate/pentaerythritol and fly ash fillers on the physicomechanical properties of rigid polyurethane foams

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The effects of intumescent flame retardant including ammonium polyphosphate/pentaerythritol and fly ash fillers on the physicomechanical properties of rigid polyurethane foams

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