Methanol → Propylene Glycol

HRID 229895

반응식

HRID 229895 반응식
[CH3:1][O-:2].[Na+].[CH2:4]([OH:8])[CH:5]([OH:7])[CH3:6].[CH3:9][OH:10].CO>C1(=O)OC(C)CO1>[CH2:4]([OH:8])[CH:5]([OH:7])[CH3:6].[C:4](=[O:8])([O:10][CH3:9])[O:2][CH3:1]

참가 물질

6

반응물 3

HCID 887MethanolHCID 10942334Sodium MethoxideHCID 86614669Propylene glycol methanol

생성물 2

HCID 1030Propylene GlycolHCID 12021Dimethyl Carbonate

시약·촉매·용매 1

HCID 7924Propylene Carbonate용매2회

실험 절차

In a process as described in FIG. 1 7 t/h (tonnes per hour) propylene carbonate is fed into the upper part of a reactive distillation zone. Sodium methanolate in 0.5 t/h propylene glycol/methanol mixture as transesterification catalyst is also passed into the upper part of zone in an amount of 0.05 t/h. Twenty t/h methanol, fed into a lower part of the distillation zone, passes upward, and reacts with the propylene carbonate to form propylene glycol product and dimethyl carbonate. The propylene glycol is recovered in an amount of 5 t/h.

출처 및 근거

ORD 기록
ord-92e778977c1649e1ab96e2996ca52116
출처 데이터셋
uspto-grants-2009_07
특허 번호
US07563919B2

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