Phosphorylated lignin as a halogen-free flame retardant additive for epoxy composites

Gamini P. Mendis; Sydney G. Weiss; Matthew Korey; Charles R. Boardman; Mark Dietenberger; Jeffrey P. Youngblood; John A. Howarter

doi:10.1680/jgrma.16.00008

Phosphorylated lignin as a halogen-free flame retardant additive for epoxy composites

Gamini P. Mendis, Sydney G. Weiss, Matthew Korey, Charles R. Boardman, Mark Dietenberger, Jeffrey P. Youngblood, John A. Howarter

School of Engineering (Behrend)

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Sustainable, non-halogenatedflame retardants are desired for a variety of industry applications. Lignin, an industrially processed wood derivative, has been examined as a potential sustainable flame retardant additive to polymer systems. Here, the lignin is phosphorylated using a pyridine catalyzed esterification reaction with diphenyl phosphoryl chloride to improve its char forming abilities. The flammability performance of modified lignin-epoxy composites was tested using mass loss calorimetry. With the addition of 10% modified lignin, the peak heat release rate decreased by 40% and the total heat of combustion decreased by 20%.

Original language	English (US)
Pages (from-to)	150-159
Number of pages	10
Journal	Green Materials
Volume	4
Issue number	4
DOIs	https://doi.org/10.1680/jgrma.16.00008
State	Published - Nov 10 2016

All Science Journal Classification (ASJC) codes

Pollution
Polymers and Plastics
Materials Chemistry

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abstract = "Sustainable, non-halogenatedflame retardants are desired for a variety of industry applications. Lignin, an industrially processed wood derivative, has been examined as a potential sustainable flame retardant additive to polymer systems. Here, the lignin is phosphorylated using a pyridine catalyzed esterification reaction with diphenyl phosphoryl chloride to improve its char forming abilities. The flammability performance of modified lignin-epoxy composites was tested using mass loss calorimetry. With the addition of 10% modified lignin, the peak heat release rate decreased by 40% and the total heat of combustion decreased by 20%.",

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AU - Dietenberger, Mark

AU - Youngblood, Jeffrey P.

AU - Howarter, John A.

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AB - Sustainable, non-halogenatedflame retardants are desired for a variety of industry applications. Lignin, an industrially processed wood derivative, has been examined as a potential sustainable flame retardant additive to polymer systems. Here, the lignin is phosphorylated using a pyridine catalyzed esterification reaction with diphenyl phosphoryl chloride to improve its char forming abilities. The flammability performance of modified lignin-epoxy composites was tested using mass loss calorimetry. With the addition of 10% modified lignin, the peak heat release rate decreased by 40% and the total heat of combustion decreased by 20%.

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Phosphorylated lignin as a halogen-free flame retardant additive for epoxy composites

Abstract

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