Study on Crystalline Transformation in Preparation of Ammonium Polyphosphate

Gou Sheng Liu; Wen Yan Chen; Yue Long Liu

doi:10.4028/www.scientific.net/AMR.634-638.2264

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Study on Crystalline Transformation in Preparation...

Study on Crystalline Transformation in Preparation of Ammonium Polyphosphate

Abstract:

Ammonium polyphosphate (APP) has six crystalline forms, different crystalline forms can transform from one form to another. In this paper, the effect of crystalline seed on crystalline transformation is investigated, results show that adding crystalline seed APP II at higher temperature is helpful to form APP II. The transformation between form II and form V at different reaction conditions are also investigated, including blowing wet ammonia to the reaction mixture. The results are informative for controllable preparation of APP in industrial production.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

2264-2267

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.2264

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Online since:

January 2013

Authors:

Gou Sheng Liu, Wen Yan Chen, Yue Long Liu

Keywords:

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

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