Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
    2.
    发明授权
    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides 有权
    全氟烷基碘和氟化氢的共沸混合物,以及分离和纯化全氟烷基碘化物的方法

    公开(公告)号:US06380148B2

    公开(公告)日:2002-04-30

    申请号:US09886270

    申请日:2001-06-22

    IPC分类号: C11D730

    摘要: The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture containing 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride either after liquid—liquid separation when the mixture is heterogeneous or directly when the mixture is homogeneous to obtain 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from the bottom of the distillation column.

    摘要翻译: 本发明提供从1,1,1,2,2-五氟乙基碘和氟化氢的混合物中分离和纯化1,1,1,2,2-五氟乙基碘或氟化氢的方法,其特征在于蒸馏共沸 当混合物是异质的或直接当液体分离时,来自含有1,1,1,2,2-五氟乙基碘和氟化氢的混合物的1,1,1,2,2-五氟乙基碘和氟化氢的混合物 混合物是均匀的,从蒸馏塔的底部得到1,1,1,2,2-五氟乙基碘或氟化氢。

    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
    3.
    发明授权
    Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides 有权
    全氟烷基碘和氟化氢的共沸混合物,以及分离和纯化全氟烷基碘化物的方法

    公开(公告)号:US06271189B1

    公开(公告)日:2001-08-07

    申请号:US09445584

    申请日:1999-12-13

    IPC分类号: C11D730

    摘要: The present invention provides a method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from a mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture containing 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride either after liquid-liquid separation when the mixture is heterogeneous or directly when the mixture is homogeneous to obtain 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride from the bottom of the distillation column.

    摘要翻译: 本发明提供从1,1,1,2,2-五氟乙基碘和氟化氢的混合物中分离和纯化1,1,1,2,2-五氟乙基碘或氟化氢的方法,其特征在于蒸馏共沸 当混合物是异质的或直接当液体分离时,来自含有1,1,1,2,2-五氟乙基碘和氟化氢的混合物的1,1,1,2,2-五氟乙基碘和氟化氢的混合物 混合物是均匀的,从蒸馏塔的底部得到1,1,1,2,2-五氟乙基碘或氟化氢。

    Azeotrope-like compositions of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene
    4.
    发明授权
    Azeotrope-like compositions of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene 有权
    1-氯-1,3,3,3-四氟丙烷和1,2-二氯-3,3,3-三氟丙烯的类共沸组合物

    公开(公告)号:US06759381B1

    公开(公告)日:2004-07-06

    申请号:US10430078

    申请日:2003-05-06

    IPC分类号: C11D730

    摘要: Provided are azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene that are useful as an intermediate in the production of HFC-245fa. HFC-245fa is useful as a nontoxic, zero ozone depleting fluorocarbon useful as solvents, blowing agents, refrigerants, cleaning agents, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing compositions and power cycle working fluids.

    摘要翻译: 提供了可用作HFC-245fa生产中间体的1-氯-1,3,3,3-四氟丙烷和1,2-二氯-3,3,3-三氟丙烯的共沸和类共沸混合物。 HFC-245fa可用作无毒,无臭氧消耗的氟烃,可用作溶剂,发泡剂,制冷剂,清洁剂,气溶胶推进剂,传热介质,气体电介质,灭火组合物和动力循环工作流体。

    Solvent mixture for use in a vapor degreaser and method of cleaning an article in a vapor degreaser utilizing said solvent
    6.
    发明授权
    Solvent mixture for use in a vapor degreaser and method of cleaning an article in a vapor degreaser utilizing said solvent 有权
    用于蒸气脱脂剂的溶剂混合物和使用所述溶剂在蒸气去油剂中清洁制品的方法

    公开(公告)号:US06176942B1

    公开(公告)日:2001-01-23

    申请号:US09375089

    申请日:1999-08-16

    IPC分类号: C11D730

    摘要: The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated terpene. The invention also provides a method of cleaning an article (e.g., an electrical, plastic, or metal part) in a vapor degreaser using the solvent mixture. The solvent mixture of the invention is non-flammable, non-corrosive, and non-hazardous. In addition, it has a high solvency and a very low ozone depletion potential. Thus, using the solvent mixture of the invention, oil, grease, rosin flux, and other organic material can be readily removed from the article of interest in an environmentally safe manner.

    摘要翻译: 本发明提供了一种溶剂混合物,包括正丙基溴,低沸点溶剂和优选脱溶剂和/或离子去除添加剂和/或至少一种饱和萜烯的混合物。 本发明还提供了一种使用溶剂混合物在蒸气去油器中清洁制品(例如,电,塑料或金属部件)的方法。 本发明的溶剂混合物是不可燃,非腐蚀性和非危险性的。 此外,它具有很高的偿付能力和极低的臭氧消耗潜力。 因此,使用本发明的溶剂混合物可以以环境安全的方式从感兴趣的物品中容易地除去油,油脂,松香助熔剂和其它有机材料。

    Quasi-azeotropic mixture based on 1,1,1,3,3-pentafluorobutane, methylene chloride and methanol for the treatment of solid surfaces
    8.
    发明授权
    Quasi-azeotropic mixture based on 1,1,1,3,3-pentafluorobutane, methylene chloride and methanol for the treatment of solid surfaces 失效
    基于1,1,1,3,3-五氟丁烷,二氯甲烷和甲醇的准共沸混合物用于处理固体表面

    公开(公告)号:US06489277B1

    公开(公告)日:2002-12-03

    申请号:US09670120

    申请日:2000-09-26

    申请人: Pascal Michaud

    发明人: Pascal Michaud

    IPC分类号: C11D730

    摘要: In order to replace 1,1,2-trichloro-1,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane in compositions for treating solid surfaces (in particular defluxing), the invention proposes the use of a quasi-azeotropic mixture containing, by weight, from 75 to 95% of 1,1,1,3,3-pentafluorobutane, from 1 to 15% of methylene chloride and from 1 to 10% of methanol.

    摘要翻译: 为了在用于处理固体表面的组合物(特别是去焊剂)中代替1,1,2-三氯-1,2,2-三氟乙烷和1,1-二氯-1-氟乙烷,本发明提出了使用准 - 含有重量百分比为75至95%的1,1,1,3,3-五氟丁烷,1至15%二氯甲烷和1至10%甲醇的共沸混合物。

    Solvent mixture for use in a vapor degreaser and method of cleaning an article in a vapor degreaser utilizing said solvent
    9.
    发明授权
    Solvent mixture for use in a vapor degreaser and method of cleaning an article in a vapor degreaser utilizing said solvent 有权
    用于蒸气脱脂剂的溶剂混合物和使用所述溶剂在蒸气去油剂中清洁制品的方法

    公开(公告)号:US06402857B2

    公开(公告)日:2002-06-11

    申请号:US09725796

    申请日:2000-11-29

    IPC分类号: C11D730

    摘要: The invention provides a solvent mixture including n-propyl bromide, a mixture of low boiling solvents and, preferably, a defluxing and/or ionics removing additive and/or at least one saturated terpene. The invention also provides a method of cleaning an article (e.g., an electrical, plastic, or metal part) in a vapor degreaser using the solvent mixture. The solvent mixture of the invention is non-flammable, non-corrosive, and non-hazardous. In addition, it has a high solvency and a very low ozone depletion potential. Thus, using the solvent mixture of the invention, oil, grease, rosin flux, and other organic material can be readily removed from the article of interest in an environmentally safe manner.

    摘要翻译: 本发明提供了一种溶剂混合物,包括正丙基溴,低沸点溶剂和优选脱溶剂和/或离子去除添加剂和/或至少一种饱和萜烯的混合物。 本发明还提供了一种使用溶剂混合物在蒸气去油器中清洁制品(例如,电,塑料或金属部件)的方法。 本发明的溶剂混合物是不可燃,非腐蚀性和非危险性的。 此外,它具有很高的偿付能力和极低的臭氧消耗潜力。 因此,使用本发明的溶剂混合物可以以环境安全的方式从感兴趣的物品中容易地除去油,油脂,松香助熔剂和其它有机材料。

    Electrical contact cleaner
    10.
    发明授权
    Electrical contact cleaner 失效
    电接触清洁剂

    公开(公告)号:US06342471B1

    公开(公告)日:2002-01-29

    申请号:US09491591

    申请日:2000-01-25

    申请人: Toney M. Jackson

    发明人: Toney M. Jackson

    IPC分类号: C11D730

    摘要: A propellant-rich aerosol cleaner for use with electrical circuit boards and electrical connector components includes a solvent having a low or no ozone depletion potential and a propellant. The solvent is present in a concentration of at most about 50 percent by weight and preferably about 40 percent, and the propellant is present in a concentration of at least about 50 percent by weight and preferably about 60 percent, of the cleaner. The cleaner exhibits a cleaning characteristic of about 0.25 milligrams of soil per gram of cleaner delivered and exhibits low to no residual flammability. In one formulation, the solvent is n-propyl bromide and is present in a concentration of about 40 weight percent. In another formulation, the solvent is trichloroethylene and is present in a concentration of about 20 weight percent. An alternate formulation includes a solvent that is a blend of TCE or trans 1,2-dichloroethylene at a concentration of about 7 to 9 percent by weight and HFE at a concentration of about 21 percent by weight. A preferred propellant is tetrafluoroethane, an HFC liquefied gas, in a concentration of about 60 to 80 weight percent.

    摘要翻译: 用于电路板和电连接器部件的富含推进剂的气溶胶清洁剂包括具有低或无臭氧消耗潜能的溶剂和推进剂。 溶剂的浓度最多为约50重量%,优选约40重量%,推进剂的浓度为清洁剂的至少约50重量%,优选约60重量%。 清洁剂表现出每克清洁剂输送约0.25毫克土壤的清洁特性,表现出低至无残留的可燃性。 在一种制剂中,溶剂是正丙基溴,并且以约40重量%的浓度存在。 在另一种制剂中,溶剂是三氯乙烯并且以约20重量%的浓度存在。 另一种制剂包括溶剂,其为浓度为约7至9重量%的TCE或反式1,2-二氯乙烯的混合物,浓度为约21重量%的HFE。 优选的推进剂是浓度为约60至80重量%的四氟乙烷,HFC液化气体。