会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明公开
    • WORKING MEDIUM FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM
    • 工作介质热传导电路组成的热循环炉系统中电路系统的
    • EP3101081A1
    • 2016-12-07
    • EP15742831.9
    • 2015-01-29
    • Asahi Glass Company, Limited
    • FUKUSHIMA, Masato
    • C09K5/04F25B1/00
    • To provide a working fluid for heat cycle having a low global warming potential and having high durability, which can replace R410A, a composition for a heat cycle system comprising it, and a heat cycle system employing the composition.
      A working fluid for heat cycle, which contains trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane based on the entire amount of the working fluid is higher than 90 mass% and at most 100 mass%, and based on the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, the proportion of trifluoroethylene is at least 10 mass% and less than 70 mass%, the proportion of 2,3,3,3-tetrafluoropropene is at most 50 mass%, and the proportion of difluoromethane is higher than 30 mass% and at most 75 mass%.
    • 要为具有低全球变暖潜能和具有高耐久性,它可以取代R410A,对热循环系统,包括它的组成和热循环系统用人组成的热循环提供工作流体。 的工作流体的热循环,其中含有三氟,2,3,3,3-四氟丙烯和二氟甲烷,三氟worin,2,3,3,3-四氟丙烯和二氟甲烷的总量的基础上的全部量的比例 工作流体是高于90质量%,在质量至多100%,并且基于三氟总量,二氟甲烷2,3,3,3-四氟丙烯和,三氟的比例至少为10质量%且小于 70质量%,2,3,3,3-四氟丙烯的比例为至多50质量%,和二氟甲烷的比例按质量和在质量至多75%是高于30%。
    • 7. 发明公开
    • METHOD AND DEVICE FOR PURIFYING 2,3,3,3-TETRAFLUOROPROPENE AND PROCESS FOR PRODUCING SAME
    • 用于制造器件的方法和设备清洗2,3,3,3-四氟丙烯和方法
    • EP2799415A1
    • 2014-11-05
    • EP12861259.5
    • 2012-12-25
    • Asahi Glass Company, Limited
    • KAWAGUCHI, SatoshiTAKAGI, HirokazuTSUZAKI, MasaakiFUKUSHIMA, MasatoOKAMOTO, Hidekazu
    • C07C17/383C07C21/18
    • C07C17/383C07C17/25C07C17/354C07C21/18
    • There is provided a method and an apparatus for efficiently obtaining 2,3,3,3-tetrafluoropropene with low contents of both organic impurities and water. The method for continuously purifying crude 2,3,3,3-tetrafluoropropene containing water and one or more organic impurities, the method including: using an apparatus having a distillation column with X stages (3 ≤ X, the stage closest to a column top is the first stage) and a unit for cooling and condensing a distillate; supplying the crude 2,3,3,3-tetrafluoropropene to an m-th stage (n + 1 ≤ m ≤ X, 2 ≤ n ≤ X - 1) of the distillation column; recirculating at least part of the distillate cooled and condensed in the unit for cooling and condensing to an h-th stage (1 ≤ h ≤ n - 1) of the distillation column; and taking out a liquid phase part of an n-th stage of the distillation column to obtain a purified product of 2,3,3,3-tetrafluoropropene.
    • 提供了一种用于有效地获得2,3,3,3-四氟丙烯与有机杂质和水的低含量的方法以及装置。 连续提纯粗2,3,3,3-四氟丙烯含有水和一种或多种有机杂质的方法,该方法包括:使用设备的具有X阶段(3‰¤X,舞台最接近塔的蒸馏塔 顶部是第一阶段)和用于冷却和冷凝的馏出液的单元; 地供给粗制的2,3,3,3-四氟丙烯的第m级(N + 1‰¤¤‰m个X,2‰¤¤‰的N× - 1)在蒸馏塔的; 馏出物的再循环至少部分冷却,并在该单元中冷凝,用于冷却和在第h个阶段冷凝成 - 所述蒸馏塔(1‰¤ħ‰¤n 1)的; 和取出蒸馏塔的第n级的液相部分以得到2,3,3,3-四氟丙烯的纯化产物。