发明名称 |
STABILIZED CHOLINE SOLUTIONS AND METHODS FOR PREPARING THE SAME |
摘要 |
A method for the stabilization of an aqueous choline hydroxide solution includes, optionally adding a first stabilizer of a dithionite salt and/or a dialkylhydroxylamine to an aqueous solution containing reactants that will produce an aqueous choline hydroxide solution; and after the aqueous choline hydroxide solution is formed, adding a second stabilizer which comprises a dialkylhydroxylamine to the aqueous choline hydroxide solution. The stabilized choline hydroxide solution may include choline hydroxide, water, and a dialkylhydroxylamine and optionally a dithionite salt as a stabilizer present in an amount of from about 50 ppm to less than about 5000 ppm by weight relative to the total weight of the stabilized choline hydroxide solution. |
申请公布号 |
WO2013076190(A1) |
申请公布日期 |
2013.05.30 |
申请号 |
WO2012EP73337 |
申请日期 |
2012.11.22 |
申请人 |
TAMINCO |
发明人 |
MOONEN, KRISTOF;GERNON, MICHAEL DAVID |
分类号 |
C07C213/10;C01B17/66;C07C215/40;C07C239/10 |
主分类号 |
C07C213/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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