[abstract] The polymerization conditions of ammonium polyphosphate (APP) were studied by microwave reactor and muffle furnace respectively with ammonium dihydrogen phosphate and urea as raw materials.

• [摘要] 摘要：以磷酸二氢铵和尿素为原料，用微波反应器和马弗炉分别研究聚磷酸铵(APP)的聚合工艺条件。