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    • 5. 发明授权
    • Process for the purification of hydrofluoroolefins
    • 纯化氢氟烯烃的方法
    • US08609909B2
    • 2013-12-17
    • US12696613
    • 2010-01-29
    • Ryan HulseRajiv Ratna SinghIan ShanklandMichael Van Der Puy
    • Ryan HulseRajiv Ratna SinghIan ShanklandMichael Van Der Puy
    • C07C17/386B01D3/36
    • B01D11/0426B01D11/0492
    • Processes for the preparation and purification of hydrofluoroolefins such as tetrafluorinated propenes. A process is provided for separating a first hydrofluoroolefin from a second hydrofluoroolefin by a) providing a mixture including a first hydrofluoroolefin and a second hydrofluoroolefin, which first hydrofluoroolefin is preferentially more reactive with an amine than the second hydrofluoroolefin; b) adding a sufficient amount of an amine to the mixture to form a combination including the second hydrofluoroolefin and a reaction product of the first hydrofluoroolefin and the amine; and then c) separating the reaction product from the combination. This is particularly useful for removing 1,2,3,3,3-pentafluoropropene (HFO-1225ye) impurities from the hydrofluoroolefin 2,3,3,3-tetrafluoropropene (HFO-1234yf). HFO-1234yf is a refrigerant with low global warming potential.
    • 用于制备和纯化氢氟烯烃如四氟化丙烯的方法。 提供了一种通过以下方法提供第一氢氟烯烃与第二氢氟烯烃的分离:a)提供包含第一氢氟烯烃和第二氢氟烯烃的混合物,该第一氢氟烯烃优选比第二氢氟烯烃更能反应胺; b)向混合物中加入足够量的胺以形成包含第二氢氟烯烃和第一氢氟烯烃与胺的反应产物的组合; 然后c)将反应产物与组合物分离。 这对于从氢氟烯烃2,3,3,3-四氟丙烯(HFO-1234yf)中除去1,2,3,3,3-五氟丙烯(HFO-1225ye)杂质是特别有用的。 HFO-1234yf是一种全球变暖潜力较低的制冷剂。
    • 6. 发明申请
    • PROCESS FOR THE PURIFICATION OF HYDROFLUOROOLEFINS
    • 氢氟菊酯的纯化方法
    • US20100193347A1
    • 2010-08-05
    • US12696613
    • 2010-01-29
    • Ryan HulseRajiv Ratna SinghIan ShanklandMichael Van Der Puy
    • Ryan HulseRajiv Ratna SinghIan ShanklandMichael Van Der Puy
    • B01D3/36
    • B01D11/0426B01D11/0492
    • Processes for the preparation and purification of hydrofluoroolefins such as tetrafluorinated propenes. A process is provided for separating a first hydrofluoroolefin from a second hydrofluoroolefin by a) providing a mixture comprising a first hydrofluoroolefin and a second hydrofluoroolefin, which first hydrofluoroolefin is preferentially more reactive with an amine than the second hydrofluoroolefin; b) adding a sufficient amount of an amine to the mixture to form a combination comprising the second hydrofluoroolefin and a reaction product of the first hydrofluoroolefin and the amine; and then c) separating the reaction product from the combination. This is particularly useful for removing 1,2,3,3,3-pentafluoropropene (HFO-1225ye) impurities from the hydrofluoroolefin 2,3,3,3-tetrafluoropropene (HFO-1234yf). HFO-1234yf is a refrigerant with low global warming potential.
    • 用于制备和纯化氢氟烯烃如四氟化丙烯的方法。 提供了一种通过以下方法提供第一氢氟烯烃与第二氢氟烯烃的分离:a)提供包含第一氢氟烯烃和第二氢氟烯烃的混合物,该第一氢氟烯烃优选比第二氢氟烯烃更能反应胺; b)向混合物中加入足量的胺以形成包含第二氢氟烯烃和第一氢氟烯烃与胺的反应产物的组合; 然后c)将反应产物与组合物分离。 这对于从氢氟烯烃2,3,3,3-四氟丙烯(HFO-1234yf)中除去1,2,3,3,3-五氟丙烯(HFO-1225ye)杂质是特别有用的。 HFO-1234yf是一种全球变暖潜力较低的制冷剂。