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    • 32. 发明公开
    • E-1,1,1,4,4,5,5,5-옥타플루오로-2-펜텐의 공비 및 공비-유사 조성물
    • E-1,1,1,4,4,5,5,5-OCTAFLUORO-2-PENTENE的AZEOTROPIC和AZEOTROPE-like组合物
    • KR1020100065358A
    • 2010-06-16
    • KR1020107007393
    • 2008-09-05
    • 이 아이 듀폰 디 네모아 앤드 캄파니
    • 로빈,마크,엘.
    • C09K5/04C09K3/30A62D1/00
    • C09K5/045A62D1/0057C07B63/04C08J9/146C08J9/149C08J2207/04C09K3/30C09K2205/104C09K2205/11C09K2205/12C09K2205/122C09K2205/126C09K2205/32C11D7/5077
    • Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,5,5,5-Octafluoro-2-pentene with methyl formate, n-pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, cyclopentane or Z-1,1,1,4,4,4-hexafluoro-2-butene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions as propellants. 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. Also disclosed is a process for the separation of a chemical compound from a mixture of two or more chemical compounds using such azeotropic or azeotrope-like compositions.
    • 公开了共沸或类共沸组合物。 共沸或类共沸组合物是E-1,1,1,4,4,5,5,5-八氟-2-戊烯与甲酸甲酯,正戊烷,2-甲基丁烷,1,1,1 ,3,3,5-五氟丁烷,反-1,2-二氯乙烯,1,1,1,3,3-五氟丙烷,二甲氧基甲烷,环戊烷或Z-1,1,1,4,4,4-六氟-2-丁烯 。 还公开了通过使用这种共沸或类共沸组合物作为发泡剂制备热塑性或热固性泡沫的方法。 还公开了通过使用这种共沸或类共沸组合物生产制冷的方法。 还公开了使用这种共沸或类共沸组合物作为溶剂的方法。 还公开了通过使用这种共沸或类共沸组合物作为推进剂来生产气溶胶产品的方法。 还公开了使用这种共沸或类共沸组合物作为传热介质的方法。 还公开了通过使用这种共沸或类共沸组合物扑灭或抑制火的过程。 还公开了使用这种共沸或类共沸组合物作为电介质的方法。 还公开了使用这种共沸或类共沸组合物从两种或更多种化合物的混合物中分离出化合物的方法。
    • 35. 发明公开
    • 냉매 R-502 대체용 혼합냉매 조성물
    • 用于更换R-502制冷剂的组合制冷剂组合物
    • KR1020030006418A
    • 2003-01-23
    • KR1020010042141
    • 2001-07-12
    • 에이씨엠텍(주)
    • 조승연김기문
    • C09K5/04
    • C09K5/045C09K2205/106C09K2205/12C09K2205/122C09K2205/32C09K2205/47
    • PURPOSE: A combined refrigerant composition with environmentally friendship property is provided to replace known R-502 refrigerant and to directly apply it in common refrigeration applications only by controlling amount of the refrigerant. CONSTITUTION: The combined refrigerant composition comprises 50-80wt.% of propylene(CH3-CH=CH2) as hydrocarbon refrigerant gas and 20-50wt.% of pentafluoroethane(C2HF5) as hydrofluorocarbon refrigerant gas. Alternatively, the refrigerant composition may comprise 69-70wt.% of the propylene, 28-30wt.% of the pentafluoroethane and further 1-2wt.% of any additive selected from a group consisting of carbon dioxide, trifluoroiodomethane(CF3I) and a mixture thereof in order to supplement flammability, smooth flow of refrigerant oil and freezing capacity of the refrigerant.
    • 目的:提供具有环保性能的组合制冷剂组合物,以代替已知的R-502制冷剂,并通过控制制冷剂的量来直接将其应用于普通制冷应用中。 构成:组合的制冷剂组合物包含50-80重量%的作为烃制冷剂气体的丙烯(CH 3 -CH = CH 2)和作为氢氟烃制冷剂气体的20-50重量%的五氟乙烷(C 2 H 5)。 或者,制冷剂组合物可以包含69-70重量%的丙烯,28-30重量%的五氟乙烷和另外1-2重量%的任何添加剂,其选自二氧化碳,三氟碘甲烷(CF 3 I)和混合物 以补充可燃性,冷却剂油的平稳流动和制冷剂的冷冻能力。