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二乙烯三胺五甲叉膦酸合成新工艺及产品应用研究 被引量:5

Study on New Synthesis Process and Application of Diethylene Triamine Pentamethylene Phosphonic Acid
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摘要 研究了由二乙烯三胺、甲醛和亚磷酸直接一步合成二乙烯三胺五甲叉膦酸的新工艺及操作条件,并对产品的阻垢性能进行了评价。实验得出的适宜操作条件为:二乙烯三胺与甲醛、亚磷酸的摩尔比为1:5.5:5,反应温度100~105℃,反应时间1.5-2.0 h。合成的二乙烯三胺五甲叉膦酸及其钠盐对钙垢有较好的抑制效果。 The new process and operating conditions for synthesizing diethylene triamine pentamethylene phosphonic acid (DTPMP) from diethylene trianfine, formaldehyde and phosphorous acid as raw materials by onestep method was studied. The scale resistant properties were investigated. The optimum synthetic reaction conditions for DTPMP were as follows : mole ratio of diethylene triamine to formaldehyde and phosphorous acid 1 : 5.5 : 5, reaction temperature 100 - 105℃ and reaction time 1.5 - 2.0 h .Under such conditions,product synthesized had good scale inhibiting ability for calcium scale
出处 《精细石油化工进展》 CAS 2006年第1期40-43,共4页 Advances in Fine Petrochemicals
基金 辽宁省教育厅攻关计划项目(2004D072)。
关键词 二乙烯三胺五甲叉膦酸 合成 阻垢剂 缓蚀剂 diethylene triamine pentamethylene phosphonic acid, synthesis, scale inhibitor, corrosion inhibitor
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