COMPOSITIONS COMPRISING 1,1,2,2-TETRAFLUOROETHANE AND USES THEREOF

    公开(公告)号:US20200283668A1

    公开(公告)日:2020-09-10

    申请号:US16879882

    申请日:2020-05-21

    Abstract: The present disclosure relates to compositions comprising 1,1,2,2-tetrafluoroethane and at least one additional compound selected from the group consisting of 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1-trifluoroethane, difluoromethane, octafluorocyclobutane, 1,1,1,2,3,4,4,4-octafluoro-2-butene, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,3,3,3-pentafluoropropene, 1,1,1,2,2-pentafluoropropane, 1,2,3,3,3-pentafluoropropene, pentafluoroethane, chlorodifluoromethane, 2-chloro-1,1,1,2-tetrafluoroethane, 1-chloro-1,1,2,2-tetrafluoroethane, methyl chloride, chlorofluoromethane, 1,2-dichloro-1,1,2,2-tetrafluoroethane, 1,1-dichloro-1,2,2,2-tetrafluoroethane, 1,1-difluoroethylene, and 1,1,2-trifluoroethylene and combinations thereof. These compositions are useful as refrigerants, heat transfer compositions, thermodynamic cycle (e.g. heating or cooling cycle) working fluids, aerosol propellants, foaming agents (blowing agents), solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, foaming agents for polyolefins and polyurethane, gaseous dielectrics, power cycle working fluids, extinguishing agents, and fire suppression agents in liquid or gaseous form.

    COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND TETRAFLUOROETHANE; THEIR USE IN POWER CYCLES; AND POWER CYCLE APPARATUS
    4.
    发明申请
    COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND TETRAFLUOROETHANE; THEIR USE IN POWER CYCLES; AND POWER CYCLE APPARATUS 审中-公开
    包含四氢呋喃和四氢叶酸的组合物; 他们在电力循环中的使用; 和功率循环设备

    公开(公告)号:US20160290175A1

    公开(公告)日:2016-10-06

    申请号:US15034811

    申请日:2014-11-21

    Abstract: A method for converting heat from a heat source to mechanical energy is provided. The method comprises heating a working fluid E-1,3,3,3-tetrafluoropropene and at least one compound selected from 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane using heat supplied from the heat source; and expanding the heated working fluid to lower the pressure of the working fluid and generate mechanical energy as the pressure of the working fluid is lowered. Additionally, a power cycle apparatus containing a working fluid to convert heat to mechanical energy is provided. The apparatus contains a working fluid comprising E-1,3,3,3-tetrafluoropropene and at least one compound selected from 1,1,1,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane. A working fluid is provided comprising an azeotropic or azeotrope-like combination of E-1,3,3,3-tetrafluoropropene, 1,1,2,2-tetrafluoroethane and 1,1,2,2-tetrafluoroethane.

    Abstract translation: 提供了将热量从热源转换为机械能的方法。 该方法包括使用从热量供应的热量加热工作流体E-1,3,3,3-四氟丙烯和至少一种选自1,1,1,2-四氟乙烷和1,1,2,2-四氟乙烷的化合物 资源; 并且随着工作流体的压力降低,膨胀加热的工作流体以降低工作流体的压力并产生机械能。 此外,提供了一种包含将热量转换为机械能的工作流体的动力循环装置。 该装置含有包含E-1,3,3,3-四氟丙烯和至少一种选自1,1,1,2-四氟乙烷和1,1,2,2-四氟乙烷的化合物的工作流体。 提供了包含E-1,3,3,3-四氟丙烯,1,1,2,2-四氟乙烷和1,1,2,2-四氟乙烷的共沸或类共沸混合物的工作流体。

    AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS COMPRISING Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND METHYL PERFLUOROPROPYL ETHER

    公开(公告)号:US20220025146A1

    公开(公告)日:2022-01-27

    申请号:US17495108

    申请日:2021-10-06

    Abstract: Disclosed are azeotropic or azeotrope-like compositions containing Z-1,1,1,4,4,4-hexafluoro-2-butene and methyl perfluoropropyl ether. Also disclosed is process of using the azeotropic or azeotrope-like composition as blowing agents for preparing a thermoplastic or thermoset foam. Also disclosed is a process of using the azeotropic or azeotrope-like composition as a refrigerant for producing cooling or heating. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of using the azeotropic or azeotrope-like composition as propellants for producing an aerosol. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as dielectrics.

    FLUORINATED ALKENE SYSTEMS
    9.
    发明申请

    公开(公告)号:US20220213369A1

    公开(公告)日:2022-07-07

    申请号:US17604073

    申请日:2020-04-17

    Abstract: A process for transferring heat including providing an article and contacting the article with a heat transfer media. The heat transfer media includes a composition formed by the process of, contacting a compound of formula (1), RfCH═CHF, with a fluorinated ethylene compound of formula (2), CX1X2═CX3X4 in the presence of a Lewis acid catalyst. In the compound of formula (1) Rf is a C1-C10 perfluorinated alkyl group. In the compound of formula (2) X1, X2, X3, and X4 are each independently H, Cl, or F and at least one of X1, X2, X3, and X4 is F. The resulting composition comprises a compound of formula (3), RfCF3(CX5X6CX7X8)nCH═CHCX9X10CX11X12F. In the compound of formula (3), X5, X6, X7, X8, X9, X10, X11, and X12 are each independently H, Cl, or F, and n is an integer of 0 or 1.

    USE OF PERFLUOROHEPTENES IN POWER CYCLE SYSTEMS

    公开(公告)号:US20220090521A1

    公开(公告)日:2022-03-24

    申请号:US17544827

    申请日:2021-12-07

    Abstract: A process is provided for converting heat energy from a heat source to mechanical work or electricity by utilizing a working fluid comprising perfluoroheptene. The process comprises heating a working fluid using heat supplied from the heat source; and expanding the heated working fluid to generate mechanical work. Also provided is an organic Rankine power cycle system utilizing a working fluid comprising perfluoroheptene. Further provided is a method of replacing the working fluid of an Organic Rankine Power Cycle System designed and configured to utilize a working fluid comprising HFC-245fa with a working fluid comprising of a perfluoroheptene.

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