CN109563011A - 包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸或准共沸组合物 - Google Patents

包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸或准共沸组合物 Download PDF

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CN109563011A
CN109563011A CN201780049188.0A CN201780049188A CN109563011A CN 109563011 A CN109563011 A CN 109563011A CN 201780049188 A CN201780049188 A CN 201780049188A CN 109563011 A CN109563011 A CN 109563011A
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pentafluoropropane
advantageously
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tetrafluoropropenes
tetrafluoropropene
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D.德尔-伯特
W.雷切德
L.温德林格
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Abstract

本发明涉及包含1,1,1,2,2‑五氟丙烷和反式‑1,3,3,3‑四氟丙烯的组合物,其适合用于许多应用领域。

Description

包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸 或准共沸组合物
技术领域
本发明涉及包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的组合物,其可用于许多应用领域。
基于卤代烃的流体已在各种工业领域中发现了许多应用,特别是作为传热流体、推进剂、发泡剂、起泡剂、气态电介质、单体或聚合介质、载体流体、研磨剂、干燥剂和用于能量生产单元的流体。特别重要的是对环境影响低的流体,例如2,3,3,3-四氟丙烯。
生产2,3,3,3-四氟丙烯的某些方法包括形成1,1,1,2,2-五氟丙烷和不同的异构体,例如反式-1,3,3,3-四氟丙烯。因此,2,3,3,3-四氟丙烯的最终纯化需要将后者与1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯分离,这些是主要杂质。1,1,1,2,2-五氟丙烷是一种可在2,3,3,3-四氟丙烯的生产过程中再循环以促进反应的化合物。相反,必须将反式-1,3,3,3-四氟丙烯从反应回路中除去以限制异构体的形成。因此必须将1,1,1,2,2-五氟丙烷与反式-1,3,3,3-四氟丙烯分离,以便能够使基本上不含反式-1,3,3,3-四氟丙烯的1,1,1,2,2-五氟丙烷再循环。
1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯不能通过常规蒸馏分离。由FR15/63163、FR 15/63169和FR 15/63168已知通过提取蒸馏将1,1,1,2,2-五氟丙烷与反式-1,3,3,3-四氟丙烯分离。
因此,需要分离1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的有效的方法。
发明内容
根据第一方面,本发明涉及包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸或准共沸组合物。
根据一个优选的实施方案,组合物包含基于以摩尔计的组合物的总量的0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯和0.01mol%至99.99mol%的1,1,1,2,2-五氟丙烷,有利地基于以摩尔计的组合物的总量的51mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至49mol%的1,1,1,2,2-五氟丙烷,特别地基于以摩尔计的组合物的总量的60mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至40mol%的1,1,1,2,2-五氟丙烷。
组合物的沸点可在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃。沸点还可在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间。
优选地,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
根据一个特定的实施方案,组合物包含80mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至20mol%的1,1,1,2,2-五氟丙烷,有利地85mol%至97mol%的反式-1,3,3,3-四氟丙烯和3mol%至15mol%的1,1,1,2,2-五氟丙烷,优选88mol%至95mol%的反式-1,3,3,3-四氟丙烯和5mol%至12mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计。优选地,组合物是共沸的。
根据一个特定的实施方案,如上所述的根据本发明的组合物由1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯组成。
根据第二方面,本发明提供了分离根据本发明的组合物的方法,其特征在于其包括在溶剂的存在下提取蒸馏所述组合物的步骤,以获得主要包含1,1,1,2,2-五氟丙烷的第一物流和主要包含反式-1,3,3,3-四氟丙烯的第二物流。表述“主要包含1,1,1,2,2-五氟丙烷的第一物流”意指第一物流包含大于以摩尔计的反式-1,3,3,3-四氟丙烯的量的以摩尔计的1,1,1,2,2-五氟丙烷的量。表述“主要包含反式-1,3,3,3-四氟丙烯的第二物流”意指第二物流包含大于以摩尔计的,1,1,2,2-五氟丙烷的量的以摩尔计的反式-1,3,3,3-四氟丙烯的量。
附图说明
图1表示说明在T=50℃下1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的组合物的相对挥发度作为其相应的摩尔分数的函数的图表。
图2表示说明在T=-30℃下1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的组合物的相对挥发度作为其相应的摩尔分数的函数的图表。
具体实施方式
表述“准共沸”具有宽泛的含义,并且旨在包括严格共沸的组合物和表现得像共沸混合物的组合物。
化合物A的挥发度由在平衡条件下(在压力和温度平衡下)气相中的摩尔分数(yA)与液相中的摩尔分数(xA)之比表示:α=yA/xA。化合物B的挥发度由在平衡条件下(在压力和温度平衡下)气相中的摩尔分数(yB)与液相中的摩尔分数(xB)之比表示:α=yB/xB。相对挥发度使得可衡量两种化合物A和B的分离容易度。其是两种化合物的挥发度之比:αΑ,Β=yAxB/xA yB。挥发度越大,混合物可越容易地分离。
当相对挥发度等于1或在0.95和1.05之间时,这意味着混合物是共沸的。当相对挥发度在0.85和1.15之间时,这意味着混合物是准共沸的。
本发明的主题是包含化合物1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸或准共沸组合物。
在以下内容中,以下化合物表示:
-1,1,1,2,2-五氟丙烷:HFC-245cb
-反式-1,3,3,3-四氟丙烯:HFO-1234zeE
根据一个优选的实施方案,组合物包含0.01mol%至99,99mol%的反式-1,3,3,3-四氟丙烯和0.01mol%至99,99mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计。
更优选地,所述组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地所述组合物包含0.5mol%至99.5mol%的反式-1,3,3,3-四氟丙烯,优选地所述组合物包含10mol%至99mol%的反式-1,3,3,3-四氟丙烯,更优选地所述组合物包含20mol%至99mol%的反式-1,3,3,3-四氟丙烯,特别地所述组合物包含30mol%至99mol%的反式-1,3,3,3-四氟丙烯,更特别地所述组合物包含40mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地所述组合物包含50mol%至99mol%的反式-1,3,3,3-四氟丙烯,更有利地所述组合物包含60mol%至99mol%的反式-1,3,3,3-四氟丙烯,还更有利地所述组合物包含70mol%至99mol%的反式-1,3,3,3-四氟丙烯,基于以摩尔计的组合物的总量计。
优选地,所述组合物包含0.01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地所述组合物包含0.5mol%至99.5mol%的1,1,1,2,2-五氟丙烷,优选地所述组合物包含1mol%至90mol%的1,1,1,2,2-五氟丙烷,更优选地所述组合物包含1mol%至80mol%的1,1,1,2,2-五氟丙烷,特别地所述组合物包含1mol%至70mol%的1,1,1,2,2-五氟丙烷,更特别地所述组合物包含1mol%至60mol%的1,1,1,2,2-五氟丙烷,有利地所述组合物包含1mol%至50mol%的1,1,1,2,2-五氟丙烷,更有利地所述组合物包含1mol%至40mol%的1,1,1,2,2-五氟丙烷,还更有利地所述组合物包含1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计。
根据一个优选的实施方案,组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地为0.5mol%至99.5mol%、优选10mol%至99mol%、更优选20mol%至99mol%、特别是30mol%至99mol%、更特别是40mol%至99mol%、有利地为50mol%至99mol%、更有利地为60mol%至99mol%、还更有利地为70mol%至99mol%的反式-1,3,3,3-四氟丙烯;以及0,01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地为0.5mol%至99.5mol%、优选1mol%至90mol%、更优选1mol%至80mol%、特别是1mol%至70mol%、更特别是1mol%至60mol%、有利地为1mol%至50mol%、更有利地为1mol%至40mol%、还更有利地为1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计。
组合物的沸点在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃。
根据一个优选的实施方案,组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地为0.5mol%至99.5mol%、优选10mol%至99mol%、更优选20mol%至99mol%、特别是30mol%至99mol%、更特别是40mol%至99mol%、有利地为50mol%至99mol%、更有利地为60mol%至99mol%、还更有利地为70mol%至99mol%的反式-1,3,3,3-四氟丙烯;以及0,01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地为0.5mol%至99.5mol%、优选1mol%至90mol%、更优选1mol%至80mol%、特别是1mol%至70mol%、更特别是1mol%至60mol%、有利地为1mol%至50mol%、更有利地为1mol%至40mol%、还更有利地为1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计,并且所述组合物的沸点在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃。
优选地,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
优选地,组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地为0.5mol%至99.5mol%、优选10mol%至99mol%、更优选20mol%至99mol%、特别是30mol%至99mol%、更特别是40mol%至99mol%、有利地为50mol%至99mol%、更有利地为60mol%至99mol%、还更有利地为70mol%至99mol%的反式-1,3,3,3-四氟丙烯;以及0.01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地为0.5mol%至99.5mol%、优选1mol%至90mol%、更优选1mol%至80mol%、特别是1mol%至70mol%、更特别是1mol%至60mol%、有利地为1mol%至50mol%、更有利地为1mol%至40mol%、还更有利地为1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计,并且所述组合物的沸点在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
沸点还可在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间。
因此,组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地为0.5mol%至99.5mol%、优选10mol%至99mol%、更优选20mol%至99mol%、特别是30mol%至99mol%、更特别是40mol%至99mol%、有利地为50mol%至99mol%、更有利地为60mol%至99mol%、还更有利地为70mol%至99mol%的反式-1,3,3,3-四氟丙烯;以及0,01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地为0.5mol%至99.5mol%、优选1mol%至90mol%、更优选1mol%至80mol%、特别是1mol%至70mol%、更特别是1mol%至60mol%、有利地为1mol%至50mol%、更有利地为1mol%至40mol%、还更有利地为1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计,并且所述组合物的沸点在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间。
优选地,组合物包含0.01mol%至99.99mol%的反式-1,3,3,3-四氟丙烯,有利地为0.5mol%至99.5mol%、优选10mol%至99mol%、更优选20mol%至99mol%、特别是30mol%至99mol%、更特别是40mol%至99mol%、有利地为50mol%至99mol%、更有利地为60mol%至99mol%、还更有利地为70mol%至99mol%的反式-1,3,3,3-四氟丙烯;以及0,01mol%至99.9mol%的1,1,1,2,2-五氟丙烷,有利地为0.5mol%至99.5mol%、优选1mol%至90mol%、更优选1mol%至80mol%、特别是1mol%至70mol%、更特别是1mol%至60mol%、有利地为1mol%至50mol%、更有利地为1mol%至40mol%、还更有利地为1mol%至30mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计,并且所述组合物的沸点在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
根据一个特定的实施方案,组合物是共沸的。
优选地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地所述共沸组合物可包含82mol%至98mol%的反式-1,3,3,3-四氟丙烯,优选地所述共沸组合物可包含83mol%至98mol%的反式-1,3,3,3-四氟丙烯,更优选地所述共沸组合物可包含84mol%至97mol%的反式-1,3,3,3-四氟丙烯,特别地所述共沸组合物可包含85mol%至97mol%的反式-1,3,3,3-四氟丙烯,更特别地所述共沸组合物可包含86mol%至96mol%的反式-1,3,3,3-四氟丙烯,有利地所述共沸组合物可包含87mol%至96mol%的反式-1,3,3,3-四氟丙烯,更有利地所述共沸组合物可包含88mol%至95mol%的反式-1,3,3,3-四氟丙烯,特别有利地为88mol%至94mol%的反式-1,3,3,3-四氟丙烯,更特别有利地为88mol%至93mol%的反式-1,3,3,3-四氟丙烯,基于以摩尔计的共沸组合物的总量计。
优选地,所述共沸组合物可包含1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地所述共沸组合物可包含2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选地所述共沸组合物可包含2mol%至17mol%的1,1,1,2,2-五氟丙烷,更优选地所述共沸组合物可包含3mol%至16mol%的1,1,1,2,2-五氟丙烷,特别地所述共沸组合物可包含3mol%至15mol%的1,1,1,2,2-五氟丙烷,更特别地所述共沸组合物可包含4mol%至14mol%的1,1,1,2,2-五氟丙烷,有利地所述共沸组合物可包含4mol%至13mol%的1,1,1,2,2-五氟丙烷,更有利地所述共沸组合物可包含5mol%至12mol%的1,1,1,2,2-五氟丙烷,特别有利地为6mol%至12mol%的1,1,1,2,2-五氟丙烷,更特别有利地为7mol%至12mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的共沸组合物的总量计。
特别地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地为82mol%至98mol%、优选83mol%至98mol%、更优选84mol%至97mol%、特别是85mol%至97mol%、更特别是86mol%至96mol%、有利地为87mol%至96mol%、更有利地为88mol%至95mol%的反式-1,3,3,3-四氟丙烯,特别有利地为88mol%至94mol%的反式-1,3,3,3-四氟丙烯,更特别有利地为88mol%至93mol%的反式-1,3,3,3-四氟丙烯;以及1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地为2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选2mol%至17mol%、更优选3mol%至16mol%、特别是3mol%至15mol%、更特别是4mol%至14mol%、有利地为4mol%至13mol%、更有利地为5mol%至12mol%、特别有利地为6mol%至12mol%的1,1,1,2,2-五氟丙烷,更特别有利地为7mol%至12mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的共沸组合物的总量计。
所述共沸组合物的沸点可在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃。所述共沸组合物的沸点还可在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间,更优选为-35℃至20℃,特别地为-35℃至-25℃。或者,所述共沸组合物的沸点可在40℃和60℃之间,优选在45℃和55℃之间。
优选地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地为82mol%至98mol%、优选83mol%至98mol%、更优选84mol%至97mol%、特别是85mol%至97mol%、更特别是86mol%至96mol%、有利地为87mol%至96mol%、更有利地为88mol%至95mol%的反式-1,3,3,3-四氟丙烯;以及1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地为2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选2mol%至17mol%、更优选3mol%至16mol%、特别是3mol%至15mol%、更特别是4mol%至14mol%、有利地为4mol%至13mol%、更有利地为5mol%至12mol%,基于以摩尔计的共沸组合物的总量计;并且所述共沸组合物的沸点在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃。
优选地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地为82mol%至98mol%、优选83mol%至98mol%、更优选84mol%至97mol%、特别是85mol%至97mol%、更特别是86mol%至96mol%、有利地为87mol%至96mol%、更有利地为88mol%至95mol%的反式-1,3,3,3-四氟丙烯;以及1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地为2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选2mol%至17mol%、更优选3mol%至16mol%、特别是3mol%至15mol%、更特别是4mol%至14mol%、有利地为4mol%至13mol%、更有利地为5mol%至12mol%,基于以摩尔计的共沸组合物的总量计;并且所述共沸组合物的沸点在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间,更优选为-35℃至-20℃,特别地为-35℃至-25℃。或者,所述共沸组合物的沸点可在40℃和60℃之间,优选在45℃和55℃之间。
根据一个优选的实施方案,压力可在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
优选地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地为82mol%至98mol%、优选83mol%至98mol%、更优选84mol%至97mol%、特别是85mol%至97mol%、更特别是86mol%至96mol%、有利地为87mol%至96mol%、更有利地为88mol%至95mol%的反式-1,3,3,3-四氟丙烯;以及1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地为2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选2mol%至17mol%、更优选3mol%至16mol%、特别是3mol%至15mol%、更特别是4mol%至14mol%、有利地为4mol%至13mol%、更有利地为5mol%至12mol%,基于以摩尔计的共沸组合物的总量计;并且沸点在-50℃和100℃之间,有利地在-40℃和80℃之间,优选在-35℃和70℃之间,特别地在-30℃和60℃之间,更特别地为-30℃至20℃,有利地为-30℃至10℃,更有利地为-30℃至0℃,特别有利地为-30℃至-5℃,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
优选地,所述共沸组合物可包含81mol%至99mol%的反式-1,3,3,3-四氟丙烯,有利地为82mol%至98mol%、优选83mol%至98mol%、更优选84mol%至97mol%、特别是85mol%至97mol%、更特别是86mol%至96mol%、有利地为87mol%至96mol%、更有利地为88mol%至95mol%的反式-1,3,3,3-四氟丙烯;以及1mol%至19mol%的1,1,1,2,2-五氟丙烷,有利地为2mol%至18mol%的1,1,1,2,2-五氟丙烷,优选2mol%至17mol%、更优选3mol%至16mol%、特别是3mol%至15mol%、更特别是4mol%至14mol%、有利地为4mol%至13mol%、更有利地为5mol%至12mol%,基于以摩尔计的共沸组合物的总量计;并且所述共沸组合物的沸点在-50℃和0℃之间,有利地在-40℃和-5℃之间,优选在-35℃和-10℃之间,压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。特别地,如上所述的所述共沸或准共沸组合物由1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯组成。
根据本发明的组合物的相对挥发度示于图1和2中。图1更具体地表现了在50℃的温度下1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的组合物的相对挥发度作为其相应的摩尔分数的函数。图2更具体地表现了在-30℃的温度下1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的组合物的相对挥发度作为其相应的摩尔分数的函数。
根据本发明的另一方面,提供了分离1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的方法。所述方法包括在有机溶剂的存在下提取蒸馏如上所述的共沸或准共沸组合物的步骤,以获得主要或基本上包含1,1,1,2,2-五氟丙烷的第一物流和主要或基本上包含反式-1,3,3,3-四氟丙烯的第二物流。
优选地,分离任何一种如上所述的组合物的方法包括在有机溶剂的存在下提取蒸馏所述组合物的步骤,以获得主要包含1,1,1,2,2-五氟丙烷的第一物流和主要包含反式-1,3,3,3-四氟丙烯的第二物流;优选地,有机溶剂存在于第二物流中;特别地,有机溶剂选自乙胺、异丙胺、正丙胺、二乙胺、丙酮、四氢呋喃、乙酸乙酯、丁酮、3-戊胺、2-甲氧基乙胺、1,4-二氧杂环己烷、3-戊酮、2-戊酮、正戊胺、1,3-二氧杂环己烷、1,2-二氨基乙烷、1,2-丙二胺、2-甲氧基乙醇、乙酸正丁酯和1-乙氧基-2-丙醇。

Claims (8)

1.共沸或准共沸组合物,其包含51mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至49mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计,所述组合物的沸点在-50℃和0℃之间。
2.根据前述权利要求所述的组合物,其特征在于其包含60mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至40mol%的1,1,1,2,2-五氟丙烷,基于以摩尔计的组合物的总量计。
3.根据前述权利要求中任一项所述的组合物,其特征在于沸点在-40℃和-5℃之间,更优选在-35℃和-10℃之间。
4.根据前述权利要求中任一项所述的组合物,其特征在于压力在0.2和30bara之间,优选在0.3和20bara之间,特别地在0.5和16bara之间,更特别地在0.6和13bara之间。
5.根据前述权利要求中任一项所述的组合物,其特征在于其包含基于以摩尔计的组合物的总量的80mol%至99mol%的反式-1,3,3,3-四氟丙烯和1mol%至20mol%的1,1,1,2,2-五氟丙烷,有利地为85mol%至97mol%的反式-1,3,3,3-四氟丙烯和3mol%至15mol%的1,1,1,2,2-五氟丙烷,优选88mol%至95mol%的反式-1,3,3,3-四氟丙烯和5mol%至12mol%的1,1,1,2,2-五氟丙烷,更优选为基于以摩尔计的组合物的总量的88mol%至94mol%的反式-1,3,3,3-四氟丙烯和6mol%至12mol%的1,1,1,2,2-五氟丙烷,特别是基于以摩尔计的组合物的总量的88mol%至93mol%的反式-1,3,3,3-四氟丙烯和7mol%至12mol%的1,1,1,2,2-五氟丙烷。
6.根据前述权利要求中任一项所述的组合物,其特征在于其是共沸的。
7.根据前述权利要求中任一项所述的组合物,其特征在于组合物由1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯组成。
8.分离根据前述权利要求中任一项所述的组合物的方法,其特征在于其包括在有机溶剂的存在下提取蒸馏所述组合物的步骤,以获得主要包含1,1,1,2,2-五氟丙烷的第一物流和和主要包含反式-1,3,3,3-四氟丙烯的第二物流;优选地,有机溶剂存在于第二物流中;特别地,有机溶剂选自乙胺、异丙胺、正丙胺、二乙胺、丙酮、四氢呋喃、乙酸乙酯、丁酮、3-戊胺、2-甲氧基乙胺、1,4-二氧杂环己烷、3-戊酮、2-戊酮、正戊胺、1,3-二氧杂环己烷、1,2-二氨基乙烷、1,2-丙二胺、2-甲氧基乙醇、乙酸正丁酯和1-乙氧基-2-丙醇。
CN201780049188.0A 2016-08-10 2017-08-08 包含1,1,1,2,2-五氟丙烷和反式-1,3,3,3-四氟丙烯的共沸或准共沸组合物 Pending CN109563011A (zh)

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FR1657667 2016-08-10
FR1750816A FR3055013A1 (fr) 2016-08-10 2017-02-01 Composition azeotrope ou quasi-azeotrope comprenant 1,1,1,2,2-pentafluoropropane et trans-1,3,3,3-tetrafluoropropene.
FR1750816 2017-02-01
PCT/FR2017/052211 WO2018029428A1 (fr) 2016-08-10 2017-08-08 Composition azeotrope ou quasi-azeotrope comprenant 1,1,1,2,2-pentafluoropropane et trans-1,3,3,3-tetrafluoropropene

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