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发明名称
高纯度胺基亚甲基膦酸之制造方法
摘要
申请公布号
TWI488860
申请公布日期
2015.06.21
申请号
TW100119087
申请日期
2011.05.31
申请人
三菱瓦斯化学股份有限公司
发明人
松浦守成;滨口高嘉;南川好次
分类号
C07F9/38
主分类号
C07F9/38
代理机构
代理人
周良谋 新竹市东大路1段118号10楼;周良吉 新竹市东大路1段118号10楼
主权项
一种高纯度胺基亚甲基膦酸之制造方法,包含:蒸馏步骤,使用批式蒸馏设备蒸馏水分浓度为35~60重量%的粗胺基亚甲基膦酸水溶液,其中,该粗胺基亚甲基膦酸水溶液为包含胺基亚甲基膦酸、以及甲醛的水溶液;该蒸馏步骤具有于蒸馏中添加水至蒸馏釜的步骤,且添加至该蒸馏釜之水的总量,相对于粗胺基亚甲基膦酸水溶液之添加重量,定为0.5~1.5倍量。
地址
日本
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