Detection of the Intermediate in Preparation of Ammonium Polyphosphate by Ammoniating Rate Factor

Gou Sheng Liu; Yue Long Liu

doi:10.4028/www.scientific.net/AMR.641-642.189

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 641-642Detection of the Intermediate in Preparation of...

Detection of the Intermediate in Preparation of Ammonium Polyphosphate by Ammoniating Rate Factor

Abstract:

Ammonia atmosphere is significant to controllably obtain a certain crystalline forms. In this paper, the effect of ammoniating rate is investigated. Some intermediates are detected during the preparation process of APP, the XRD spectra of these intermediates are discussed. The results show that low ammoniating rate is suitable for preparation of APP form II. With ammoniating rate increasing, most of the crystals transform to APP V in the intermediate and water insolubility of the product increases. The results are informative for controllable preparation of APP in industrial production.

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Periodical:

Advanced Materials Research (Volumes 641-642)

Pages:

189-192

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.641-642.189

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Online since:

January 2013

Authors:

Gou Sheng Liu, Yue Long Liu

Keywords:

Ammonium Polyphosphate, Crystalline Form, Intermediate, X-Ray Diffraction (XRD)

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