高聚合度APP阻燃剂的制备研究  

Study on the Preparation of High Degree of Polymerization APP Flame Retardant

作　　者：黄信达 郜华萍[1] 吴景卿 刘雄资 张蒲 黄煜堃 严建华 郜烨[3] 王六生 饶志臻[4] Huang Xinda;Gao Huaping;Wu Jingqing;Liu Xiongzi;Zhang Pu;Huang Yukun;Yan Jianhua;Gao Ye;Wang Liusheng;Rao Zhizhen(Faculty of Environmental Science and Engineering,Kunming University of Science and Technology,Kunming,Yunnan 650500;State Key Laboratory of Clean Energy Utilization,Zhejiang University,Hangzhou,Zhejiang 310027;Jackson State University,Jackson,Mississippi,USA 39217;Yunnan Jianglin Group Co.,Ltd.,Yuxi,Yunnan 652600)

机构地区：[1]昆明理工大学环境科学与工程学院,云南昆明650500 [2]浙江大学能源清洁利用国家重点实验室,浙江杭州310027 [3]美国杰克逊州立大学,密西西比州杰克逊39217 [4]云南江磷集团股份有限公司,云南玉溪652600

出　　处：《非金属矿》2021年第3期33-36,41,共5页Non-Metallic Mines

基　　金：云南省重点研发计划项目(2018IB026);昆明理工大学分析测试基金资助项目(2019M20182107023)。

摘　　要：本试验通过研究聚磷酸铵(APP)阻燃剂的制备条件,制备高聚合度的结晶Ⅱ型与结晶Ⅴ型聚磷酸铵阻燃剂。结晶Ⅱ型聚磷酸铵的最佳试验条件为:磷酸氢二铵(DAP)、P2O5与三聚氰胺(MEL)摩尔配比为1∶1.2∶0.2,聚合温度为290℃,熟化温度为260℃,通氨流量0.5 L/min,熟化时间为3 h。结晶Ⅴ型聚磷酸铵的最佳试验条件为:DAP、P2O5与MEL摩尔配比为1∶1.1∶0.2,聚合温度为320℃,熟化温度为260℃,通氨流量为1.0 L/min,熟化时间为3 h。两种晶型聚磷酸铵制备条件差异证明结晶Ⅴ型聚磷酸铵是结晶Ⅱ型聚磷酸铵的高温产物。经过产品基础性能测试,两种阻燃剂P2O5含量、氮含量、溶解度、pH值符合H/GT 2770-2008《工业聚磷酸铵》中Ⅱ类产品要求。The preparation conditions of ammonium polyphosphate(APP)flame retardant were studied,and crystalline type II and crystalline ammonium polyphosphate type V flame retardants with high polymerization degree were prepared.The best experimental conditions for crystalline type II ammonium polyphosphate are:the molar ratio of DAP,P2O5 and MEL is 1∶1.2∶0.2,the polymerization temperature is 290℃,the maturation temperature is 260℃,the ammonia flow rate is 0.5 L/min,and the maturation time is 3 h.The best experimental conditions for crystalline type V ammonium polyphosphate are:the molar ratio of DAP,P2O5 and MEL is 1∶1.1∶0.2,the polymerization temperature is 320℃,the maturation temperature is 260℃,and the ammonia flow rate is 1.0 L/min,the maturation time is 3 h.The difference in the preparation conditions of the two crystalline ammonium polyphosphates showes that the crystalline type V ammonium polyphosphate is a high-temperature product of the crystalline type II ammonium polyphosphate.The products meet the phosphorus pentoxide content,nitrogen content,solubility,pH value performance requirements of Class II products in H/GT 2770-2008“Industrial Ammonium Polyphosphate”.

关 键 词：阻燃剂 聚磷酸铵 高聚合度 晶型 

分 类 号：TQ126.35[化学工程—无机化工]