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    • 6. 发明授权
    • Methods of purifying 1,2,4-butanetriol
    • 纯化1,2,4-丁三醇的方法
    • US08367877B2
    • 2013-02-05
    • US12620131
    • 2009-11-17
    • Stephen P. VelardeAndrew J. Sanderson
    • Stephen P. VelardeAndrew J. Sanderson
    • C07C29/80C07C31/22
    • C07C29/80C07C29/88C07C31/22
    • Methods of purifying BT are disclosed. The method comprises adding at least one polyhydroxyl compound to a crude BT mixture comprising BT and at least one boron-containing compound to form a polyhydroxyl compound/BT mixture. In one embodiment, the polyhydroxyl compound/BT mixture is then heated to a temperature greater than the boiling point of BT but less than the boiling point of the at least one polyhydroxyl compound. In another embodiment, the polyhydroxyl compound/BT mixture is heated to a temperature greater than the melting point of the at least one polyhydroxyl compound, and then to a temperature greater than the boiling point of BT but less than the boiling point of the at least one polyhydroxyl compound. A composition comprising BT is also disclosed.
    • 公开了纯化BT的方法。 该方法包括向包含BT和至少一种含硼化合物的粗BT混合物中加入至少一种多羟基化合物以形成多羟基化合物/ BT混合物。 在一个实施方案中,然后将多羟基化合物/ BT混合物加热至大于沸点BT但小于至少一种多羟基化合物的沸点的温度。 在另一个实施方案中,将多羟基化合物/ BT混合物加热至高于至少一种多羟基化合物的熔点的温度,然后加热至高于BT沸点但小于至少沸点 一种多羟基化合物。 还公开了包含BT的组合物。