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Controllable synthesis and characterization of ammonium polyphosphate with crystalline form V by phosphoric acid process

机译：磷酸法可控合成和表征晶型为V的聚磷酸铵

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摘要

Ammonium polyphosphate (APP) with crystalline form V (APP-V) was synthesized by heating a mixture of 85% food-grade phosphoric acid and melamine under dry ammonia atmosphere. Effects such as raw material ratios, charging methods, dehydration temperature, condensation temperature and condensation time were investigated. Its water solubility was tested, its XRD and FTIR were characterized and compared with those of industrial APP-I and APP-II. Results showed that the prepared APP-V was insoluble in water, its XRD spectrum was the same as APP-V in literature. The molecular structures of the prepared APP-V and APP-I/APP-II were speculated and discussed in detail.
机译：通过在干燥的氨气气氛下加热85％的食品级磷酸和三聚氰胺的混合物来合成具有晶型V（APP-V）的聚磷酸铵（APP）。研究了原料比例，加料方法，脱水温度，冷凝温度和冷凝时间等影响。测试了其水溶性，表征了其XRD和FTIR并与工业APP-I和APP-II进行了比较。结果表明，所制备的APP-V不溶于水，其XRD谱图与文献中的APP-V相同。推测并详细讨论了所制备的APP-V和APP-I / APP-II的分子结构。

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  • 来源
    《Polymer Degradation and Stability》 |2010年第9期|p.1834-1841|共8页
  • 作者

    Gousheng Liu; rnWenyan Chen; rnXinchun Liu; rnJianguo Yu;

  • 作者单位

    State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;

    rnState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;

    rnState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;

    rnState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    ammonium polyphosphate; crystalline form V; water solubility; controllable synthesis;

    机译：聚磷酸铵;晶体形式V;水溶性;可控合成;

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