Flame Retardant Properties of Two Different Synthetic Process of Ammonium Polyphosphates

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Ammonium polyphosphate (APP) produced by non-P2O5 process and traditional P2O5 process were used in the intumescent flame retardant (IFR) polypropylene (PP) composite (IFR-PP). The composite was tested by limited oxygen index (LOI) and UL-94. TGA and SEM were used to study the decomposition processes. Results showed that when the ratio of APP-II/ pentaerythritol/melamine is 3/1/1, the LOI value is 33.1, and all composite could reach UL-94 V0 rating. The results showed that APP by non-P2O5 process had similar IFR properties as APP of traditional P2O5 process

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Periodical:

Edited by:

David M. Batisdas and Y.Q. Chang

Pages:

53-56

Citation:

G. S. Liu and Y. L. Liu, "Flame Retardant Properties of Two Different Synthetic Process of Ammonium Polyphosphates", Advanced Materials Research, Vol. 668, pp. 53-56, 2013

Online since:

March 2013

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$38.00

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