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Preparation method and application of boron-containing ammonium polyphosphate
The invention provides a preparation method and application of boron-containing ammonium polyphosphate. The method comprises the following steps: preparing a phosphorus-boron compound: firstly adding polyphosphoric acid, adding boric acid while stirring, heating, continuously stirring until the materials are uniform, vacuumizing, continuously heating, and continuously reacting for 0.5-10 hours to obtain the phosphorus-boron compound; the preparation method comprises the following steps: preparing a boron-containing ammonium polyphosphate pre-product: adding phosphorus pentoxide and diammonium hydrogen phosphate into a kneading machine, uniformly stirring, starting to heat, setting the heating temperature to be 150-240 DEG C, introducing ammonia to react for 0.5-2 hours, stopping ammonia introduction, adding a phosphorus-boron compound, stirring for 0.5-1 hour, and continuing to introduce ammonia to react for 1-6 hours; then reducing the ammonia introduction amount, continuing to react for 0.5-3 hours, and cooling and crushing to obtain a boron-containing ammonium polyphosphate pre-product, wherein the ammonia introduction amount is 0.2-1 m < 3 >/h per 100 kilograms of reactants; and preparing the boron-containing ammonium polyphosphate: heating the cooled and crushed boron-containing ammonium polyphosphate pre-product, and carrying out two-step ammonia introduction reaction to obtain the boron-containing ammonium polyphosphate.
本发明提供一种含硼聚磷酸铵的制备方法及其应用。方法包括：磷硼化合物的制备：先加入聚磷酸，搅拌下加入硼酸，加热后继续搅拌直至物料均匀，抽真空，继续升温，继续反应0.5h‑10h，得到磷硼化合物；含硼聚磷酸铵预产物的制备：捏合机中加入五氧化二磷和磷酸氢二铵，搅拌均匀后开始加热，加热温度设定为150℃‑240℃，通氨反应0.5h‑2h后停氨，加入磷硼化合物搅拌0.5h‑1h后继续通氨反应1h‑6h；然后降低通氨量继续反应0.5h‑3h，每100公斤反应物通氨量为0.2m3/小时‑1m3/小时，冷却、粉碎得到含硼聚磷酸铵预产物；含硼聚磷酸铵的制备：将冷却、粉碎后的含硼聚磷酸铵预产物加热两步通氨反应后得到含硼聚磷酸铵。
Preparation method and application of boron-containing ammonium polyphosphate
The invention provides a preparation method and application of boron-containing ammonium polyphosphate. The method comprises the following steps: preparing a phosphorus-boron compound: firstly adding polyphosphoric acid, adding boric acid while stirring, heating, continuously stirring until the materials are uniform, vacuumizing, continuously heating, and continuously reacting for 0.5-10 hours to obtain the phosphorus-boron compound; the preparation method comprises the following steps: preparing a boron-containing ammonium polyphosphate pre-product: adding phosphorus pentoxide and diammonium hydrogen phosphate into a kneading machine, uniformly stirring, starting to heat, setting the heating temperature to be 150-240 DEG C, introducing ammonia to react for 0.5-2 hours, stopping ammonia introduction, adding a phosphorus-boron compound, stirring for 0.5-1 hour, and continuing to introduce ammonia to react for 1-6 hours; then reducing the ammonia introduction amount, continuing to react for 0.5-3 hours, and cooling and crushing to obtain a boron-containing ammonium polyphosphate pre-product, wherein the ammonia introduction amount is 0.2-1 m < 3 >/h per 100 kilograms of reactants; and preparing the boron-containing ammonium polyphosphate: heating the cooled and crushed boron-containing ammonium polyphosphate pre-product, and carrying out two-step ammonia introduction reaction to obtain the boron-containing ammonium polyphosphate.
本发明提供一种含硼聚磷酸铵的制备方法及其应用。方法包括：磷硼化合物的制备：先加入聚磷酸，搅拌下加入硼酸，加热后继续搅拌直至物料均匀，抽真空，继续升温，继续反应0.5h‑10h，得到磷硼化合物；含硼聚磷酸铵预产物的制备：捏合机中加入五氧化二磷和磷酸氢二铵，搅拌均匀后开始加热，加热温度设定为150℃‑240℃，通氨反应0.5h‑2h后停氨，加入磷硼化合物搅拌0.5h‑1h后继续通氨反应1h‑6h；然后降低通氨量继续反应0.5h‑3h，每100公斤反应物通氨量为0.2m3/小时‑1m3/小时，冷却、粉碎得到含硼聚磷酸铵预产物；含硼聚磷酸铵的制备：将冷却、粉碎后的含硼聚磷酸铵预产物加热两步通氨反应后得到含硼聚磷酸铵。
Preparation method and application of boron-containing ammonium polyphosphate
含硼聚磷酸铵的制备方法及其应用
CHEN JIANJUN (author) / QIU QIQING (author) / ZHU FENG (author) / XU LING (author) / ZHU ZHIQIANG (author)
2024-02-02
Patent
Electronic Resource
Chinese
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