Flame Retardant Properties of Two Different Synthetic Process of Ammonium Polyphosphates

Gou Sheng Liu; Yue Long Liu

doi:10.4028/www.scientific.net/AMR.668.53

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668Flame Retardant Properties of Two Different...

Flame Retardant Properties of Two Different Synthetic Process of Ammonium Polyphosphates

Abstract:

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:

Advanced Materials Research (Volume 668)

Pages:

53-56

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.668.53

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Online since:

March 2013

Authors:

Gou Sheng Liu, Yue Long Liu

Keywords:

Ammonium Polyphosphate, Crystalline Form, Flame Retardant, Polypropylene (PP)

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