WO2022017109A1 - 一种含有氟代烃的组合物及其制备方法 - Google Patents

一种含有氟代烃的组合物及其制备方法 Download PDF

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WO2022017109A1
WO2022017109A1 PCT/CN2021/101731 CN2021101731W WO2022017109A1 WO 2022017109 A1 WO2022017109 A1 WO 2022017109A1 CN 2021101731 W CN2021101731 W CN 2021101731W WO 2022017109 A1 WO2022017109 A1 WO 2022017109A1
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composition
fluorohydrocarbon
tetrafluoropropene
gwp
parts
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PCT/CN2021/101731
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English (en)
French (fr)
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周黎旸
洪江永
杨波
余慧梅
张彦
赵阳
龚海涛
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浙江衢化氟化学有限公司
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Application filed by 浙江衢化氟化学有限公司 filed Critical 浙江衢化氟化学有限公司
Priority to US17/627,694 priority Critical patent/US20220243108A1/en
Priority to EP21845911.3A priority patent/EP4186958A1/en
Publication of WO2022017109A1 publication Critical patent/WO2022017109A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/22—All components of a mixture being fluoro compounds

Definitions

  • the invention relates to the field of refrigerants, in particular to a fluorohydrocarbon-containing composition and a preparation method thereof.
  • HFCs which are widely used in the refrigeration and air-conditioning industry today, are facing severe reduction plans due to their very high global warming potential (GWP).
  • GWP global warming potential
  • the EU has passed the fluorine-containing greenhouse gas control regulations, which require that from January 1, 2017, the GWP of automotive air-conditioning refrigerants should not be higher than 150;
  • the GWP shall not be higher than 150 from January 1, 2022;
  • the GWP of refrigerants used for portable indoor air-conditioning equipment shall not be higher than 150 from January 1, 2020, etc.
  • Fluids based on fluorocarbon compounds are widely used in systems that transfer heat by vapor compression, especially systems such as air conditioners, heat pumps, refrigeration or freezers.
  • a feature common to these devices is that they are based on a thermodynamic cycle that includes evaporation of a fluid at low pressure (wherein the fluid absorbs heat); compression of the evaporated fluid to a high pressure; condensation of the fluid evaporated at high pressure to a liquid (wherein the fluid emits heat) ); and expansion of the fluid completes the cycle.
  • the choice of the heat transfer fluid depends on the thermodynamic properties of the fluid on the one hand and further constraints on the other, a particularly important criterion being the effect of the fluid under consideration on the environment.
  • chlorinated compounds chlorofluorocarbons and hydrochlorofluorocarbons
  • non-chlorinated compounds such as hydrofluorocarbons, fluoroethers and fluoroolefins are generally preferred.
  • Chinese Patent Publication No. CN101851490A discloses a refrigerant composition that can replace R134a, which consists of 2,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoropropene (HFO- 1234ze(E)) and 1,1-difluoroethane (R152a).
  • Chinese Patent Publication No. CN101864277A discloses a mixture composed of 2,3,3,3-tetrafluoropropene, 1,1-difluoroethane and dimethyl ether (DME).
  • Chinese Patent Publication No. CN102066518A discloses a mixture of 2,3,3,3-tetrafluoropropene, 1,1,1,2-tetrafluoroethane and 1,1-difluoroethane.
  • Chinese Patent Publication No. CN102083935A discloses a mixture composed of 2,3,3,3-tetrafluoropropene and 1,1,1,2-tetrafluoroethane.
  • the refrigerant compositions disclosed in the above-mentioned patents have shortcomings such as high GWP, inability to be directly filled and applied to refrigeration systems, high flammability, or inability to use mineral oil. Better compatibility with existing systems and new refrigerants with better environmental performance.
  • the purpose of the present invention is to provide a fluorohydrocarbon-containing composition with low GWP, green environmental protection, good refrigeration effect and good lubricant compatibility and a preparation method thereof in view of the deficiencies of the prior art.
  • the technical scheme adopted in the present invention is: a kind of composition containing fluorohydrocarbon, by weight, it is composed of:
  • the 1,3,3,3-tetrafluoropropene is trans-1,3,3,3-tetrafluoropropene.
  • the global warming potential (GWP) of the composition is not greater than 750.
  • the global warming potential (GWP) of the composition is not greater than 500.
  • the global warming potential (GWP) of the composition is not greater than 150.
  • the flame retardant is selected from at least one of polyvinyl chloride, diethyl ethyl phosphate and trifluoroiodomethane.
  • the invention also discloses a preparation method of the fluorohydrocarbon-containing composition.
  • the composition is obtained by physically mixing the components in a liquid phase according to their weight percentages.
  • the fluorohydrocarbon-containing composition of the present invention has good compatibility, good stability under the stated mass ratio, and good fluidity of the composition, which can reduce the working pressure of the compressor.
  • Lubricant compatibility is particularly important in many applications where the lubricant should be fully soluble in the refrigeration fluid at various operating temperatures.
  • the fluorohydrocarbon-containing composition of the present invention has good compatibility with lubricants, and the lubricants can be selected from mineral oil, silicone oil, polyalkylbenzene (PAB), polyol ester (POE), polyalkylene glycol (PAG), polyvinyl ether (PVE).
  • Flammability is another important characteristic of refrigerant compositions for many applications.
  • the fluorinated hydrocarbon-containing composition of the present invention effectively reduces the flammability by adding a flame retardant.
  • the flame retardant in the present invention is preferably polyvinyl chloride, diethyl ethyl phosphate, trifluoroiodomethane and mixtures thereof.
  • the fluorohydrocarbon-containing composition of the present invention is mainly HFO-1234yf, and other components are added to improve refrigeration effect, improve compatibility with lubricating oil, and reduce GWP value and flammability at the same time.
  • the substance is the same as R134a.
  • the cooling coefficient of HFO-1234yf is lower than that of R134a, and the cooling capacity per unit volume is also low, but the exhaust temperature of HFO-1234yf is very low, and it has a large saturated liquid specific volume.
  • the fluorohydrocarbon-containing composition of the present invention combines the advantages of each component, and through the synergistic effect of each component, the disadvantageous factors are reduced to the greatest extent, so that the GWP value of the composition is greatly reduced, and the ODP value of each component is zero, Even long-term use will not cause damage to the ozone layer. Therefore, the fluorohydrocarbon-containing composition of the present invention has the advantages of low GWP, environmental protection, good refrigeration effect, and good lubricant compatibility, and can meet the requirements of various uses.
  • the raw materials in the present invention are all commercially available.
  • the present invention has the following advantages:
  • the fluorohydrocarbon-containing composition of the present invention has 0 ODP, low GWP, and excellent environmental performance;
  • the fluorinated hydrocarbon-containing composition of the present invention has a low discharge temperature, which can significantly prolong the service life of the compressor and improve the reliability of the refrigeration equipment;
  • the fluorohydrocarbon-containing composition of the present invention has good compatibility with lubricating oil and has higher stability;
  • the fluorohydrocarbon-containing composition of the present invention can directly replace R134a without replacing the compressor;
  • the fluorohydrocarbon-containing composition of the present invention has good cycle performance and flame retardancy.
  • GWP Global Warming Potential
  • each serving is counted as 1 kg.
  • 2,3,3,3-tetrafluoropropene 80kg, 1,1,1,2-tetrafluoroethane 5kg, trans-1,3,3,3-tetrafluoropropene 5kg, difluoromethane 5kg, fluorine 5 kg of ethane and 0.1 kg of polyvinyl chloride were physically mixed in a liquid phase state to obtain a composition.
  • the composition number of the obtained composition was 1#, and the GWP value was shown in Table 2.
  • 2,3,3,3-tetrafluoropropene 65kg, 1,1,1,2-tetrafluoroethane 15kg, trans-1,3,3,3-tetrafluoropropene 5kg, difluoromethane 10kg, fluorine 5 kg of ethane and 0.3 kg of trifluoroiodomethane were physically mixed in a liquid phase state to obtain a composition, the composition number of the obtained composition was 3#, and the GWP value was shown in Table 2.
  • the composition number of the obtained composition is 4#, and the GWP value is shown in Table 2.
  • 2,3,3,3-tetrafluoropropene 35kg, 1,1,1,2-tetrafluoroethane 50kg, trans-1,3,3,3-tetrafluoropropene 5kg, difluoromethane 5kg, fluorine 5 kg of ethane, 0.3 kg of polyvinyl chloride, and 0.4 kg of diethyl ethyl phosphate were physically mixed in the liquid phase to obtain a composition.
  • the composition number of the obtained composition was 5#, and the GWP value was shown in Table 2.
  • 2,3,3,3-tetrafluoropropene 30kg 1,1,1,2-tetrafluoroethane 12kg, trans-1,3,3,3-tetrafluoropropene 20kg, difluoromethane 30kg, fluorine Ethane 8kg, polyvinyl chloride 0.6kg, trifluoroiodomethane 0.4kg were physically mixed in a liquid phase state to obtain a composition, the composition number of the obtained composition was 6#, and the GWP value was shown in Table 2.
  • 2,3,3,3-tetrafluoropropene 35kg, 1,1,1,2-tetrafluoroethane 20kg, trans-1,3,3,3-tetrafluoropropene 23kg, difluoromethane 15kg, fluorine 7kg of ethane, 0.4kg of polyvinyl chloride, and 0.4kg of diethyl ethyl phosphate were physically mixed in the liquid phase to obtain a composition.
  • Example composition number GWP value 1 1# 99.1 2 2# 164.2 3 3# 262.8 4 4# 424.3 5 5# 684.1 6 6# 359.6 7 7# 362.1 8 8# 281.8
  • the composition of the present invention has higher energy efficiency than R134a, and a compressor using the composition of the present invention will produce a lower discharge temperature than R134a.
  • the lubricants tested were mineral oil, silicone oil, polyalkylbenzene (PAB), polyalkylene glycol (PAG), polyol ester (POE) and polyvinyl ether (PVE). During the test, two kinds of lubricants were selected and mixed with each 50% by weight, and then mixed with the test substance.
  • test substance/lubricant composition is as follows:
  • compositions of the present invention were found to have higher stability when in contact with lubricants in compressor refrigeration systems.
  • Flammability test The flammability test is done according to the American ASTM-E681-01 standard, in which LFL is the lower limit of the flammability limit. The larger the LFL value, the lower the flammability. The results are shown in Table 4.

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  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Materials Engineering (AREA)
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Abstract

本发明公开了一种含有氟代烃的组合物，按重量份数，其组成为：2,3,3,3-四氟丙烯30～80份，1,1,1,2-四氟乙烷5～50份，二氟甲烷5～30份，1,3,3,3-四氟丙烯5～25份，氟乙烷5～10份，阻燃剂0.1～1份。所述组合物用做加热和冷却的制冷剂、推进剂和发泡剂用途。本发明还公开了该含有氟代烃的组合物的制备方法。本发明的组合物具有GWP低、绿色环保、制冷效果好、润滑剂相容性好的优点。

Description

一种含有氟代烃的组合物及其制备方法 技术领域
本发明涉及制冷剂领域，具体涉及一种含有氟代烃的组合物及其制备方法。
背景技术
目前广泛应用于制冷空调行业的HFCs类制冷剂因具有非常高的全球变暖潜能值(GWP)而面临着严苛的削减计划。同时欧盟已通过的含氟温室气体控制法规要求，自2017年1月1日起，汽车空调制冷剂GWP不高于150；商用冰箱和冷冻设备制冷剂自2020年1月1日起GWP不高于2500，自2022年1月1日起GWP不高于150；用于可移动室内空调设备的制冷剂自2020年1月1日起GWP不高于150等。
我国市场上空调设备中的制冷剂仍依靠一些高GWP值的HFCs或其混合产品，GWP≥2500的制冷剂如R404A，GWP≥150的制冷剂如R407C和R410A。2020年开始，这类冰箱、空调设备将陆续被禁止进入欧盟市场，这无疑会对我国空调等设备的出口造成大的影响。
基于氟烃化合物的流体广泛用于通过蒸气压缩传递热量的系统，尤其是空调、热泵、制冷或冷冻装置等系统。这些装置共同具有的特征是它们基于热力学循环，该热力学循环包括在低压下流体的蒸发(其中流体吸收热量)；压缩蒸发的流体至高压；在高压下蒸发的流体冷凝得到液体(其中流体排放热量)；和流体的膨胀完成循环。
传热流体的选择一方面取决于流体的热力学性质，另一方面取决于另外的约束，特别重要的标准是所考虑的流体对环境的影响。特别地，氯化化合物(氯氟烃和氢氯氟烃)显示出破坏臭氧层的缺点。因此，通常优选非氯化化合物，例如氢氟烃、氟代醚和氟代烯烃。
如中国专利公开号CN101851490A公开了一种可替代R134a的制冷剂组合物，它由2,3,3,3-四氟丙烯、反式-1,3,3,3-四氟丙烯(HFO-1234ze(E))和1,1-二氟乙烷(R152a)组成。
如中国专利公开号CN101864277A公开了一种2,3,3,3-四氟丙烯、1,1-二氟乙烷和二甲醚(DME)组成的混合物。
如中国专利公开号CN102066518A公开了一种2,3,3,3-四氟丙烯、1,1,1,2-四氟乙烷 和1,1-二氟乙烷组成的混合物。
如中国专利公开号CN102083935A公开了一种2,3,3,3-四氟丙烯、1,1,1,2-四氟乙烷组成的混合物。
上述专利中公开的制冷剂组合物存在或GWP偏高、或不可直接充灌应用于制冷系统、或可燃性较大、或不能使用矿物油等缺点，因此，需要开发具有更好制冷性能，与现有系统更好兼容以及具有更好环保性能的新制冷剂。
发明内容
本发明的目的是针对现有技术的不足，提供一种GWP低、绿色环保、制冷效果好、润滑剂相容性好的含有氟代烃的组合物及其制备方法。
为了实现上述目的，本发明采用的技术方案为：一种含有氟代烃的组合物，按重量份数，其组成为：
Figure PCTCN2021101731-appb-000001
优选的，按重量份数，其组成为：
Figure PCTCN2021101731-appb-000002
优选的，所述的1,3,3,3-四氟丙烯为反式-1,3,3,3-四氟丙烯。
优选的，所述的组合物全球变暖潜能值(GWP)不大于750。
更优选的，所述的组合物全球变暖潜能值(GWP)不大于500。
最优选的，所述的组合物全球变暖潜能值(GWP)不大于150。
优选的，所述的阻燃剂选自聚氯乙烯、乙基磷酸二乙酯和三氟碘甲烷中的至少一种。
本发明还公开了该含有氟代烃的组合物的制备方法，将所述组分按其重量百分比在液相状态下进行物理混合，得到所述的组合物。
本发明的含有氟代烃的组合物的相容性较好，在所述的质量配比下稳定性好；组合物的流动性好，可以减轻压缩机的工作压力。
润滑剂相容性在许多的应用中尤为重要，润滑剂应在各种操作温度下充分溶于致冷液体中。本发明的含有氟代烃的组合物与润滑剂相容性较好，润滑剂可选自矿物油、硅油、多烷基苯(PAB)、多元醇酯(POE)、聚亚烷基二醇(PAG)、聚乙烯基醚(PVE)。
对许多应用而言，易燃性是制冷剂组合物的另一重要特性。制冷剂组合物在更多的潜在应用系统中使用时，需考虑组合物使用的安全性。本发明的含有氟代烃的组合物通过添加阻燃剂，有效降低了可燃性。本发明中的阻燃剂优选聚氯乙烯、乙基磷酸二乙酯、三氟碘甲烷及其混合物。
本发明的含有氟代烃的组合物以HFO-1234yf为主，通过添加其他的组分来提高制冷效果，提高与润滑油的相容性，同时降低GWP值和可燃性。
本发明所述的HFO-1234yf具有良好的热力性能，作为单一工质制冷剂，具有优异的环境参数，其全球变暖潜能值GWP＝0，寿命期气候性能(LCCP)低于R134a，大气分解物与R134a相同。在相同的汽车空调工况下，HFO-1234yf的制冷系数低于R134a，单位体积制冷量也偏低，但是HFO-1234yf的排气温度非常低，同时具有很大的饱和液体比体积。
本发明所述的HFO-1234ze(E)具有优异的环境参数，GWP＝1，寿命期气候性能(LCCP)低于R134a，大气分解物与R134a相同，而且其系统性能优于R134a，被认为是具有潜力替代R134a用于制冷剂等行业的替代品。
本发明所述的R161具有优异的环境参数，寿命期气候性能(LCCP)低于R134a，臭氧消耗潜能值(ODP)为0，GWP＝4，能适应不同工况、不同的温度范围，具有良好的循环性能，但其可燃性限制了其作为纯工质在制冷、空调系统中充当工作流体的应用。
本发明的含有氟代烃的组合物结合了各组分的优势，通过各组分协同作用，最大程度减少了不利因素，使得组合物的GWP值大大降低，各组分的ODP值为零，即使长期使用也不会造成对臭氧层的破坏。因此，本发明的含有氟代烃的组合物具有GWP低、 绿色环保、制冷效果好、润滑剂相容性好的优点，能够满足各类用途的要求。
本发明中的原料均可市售取得。
与现有技术相比，本发明具有以下优点：
1、本发明的含有氟代烃的组合物ODP为0，GWP低，具有优良的环境性能；
2、本发明的含有氟代烃的组合物排出温度低，可显著延长压缩机的使用寿命，提高制冷设备的可靠性；
3、本发明的含有氟代烃的组合物与润滑油相容性好，具有更高的稳定性；
4、本发明的含有氟代烃的组合物可直接替换R134a，无需更换压缩机；
5、本发明的含有氟代烃的组合物具有良好的循环性能和阻燃性。
具体实施方式
以下结合具体实施例对本发明进行进一步的说明，但本发明并不局限于所述的实施例。
全球变暖潜能值(GWP)是在大气中气体保留热量的多少的相对度量。GWP是在100年时间内相对于二氧化碳表示。GWP根据由政府间气候变化专门委员会(IPCC)的第5次报告提供的指示进行计算。
实施例中部分物质的基本参数见表1。
表1实施例中部分物质的基本参数
Figure PCTCN2021101731-appb-000003
Figure PCTCN2021101731-appb-000004
以下实施例中，每份按1kg计。
实施例1
将2,3,3,3-四氟丙烯80kg，1,1,1,2-四氟乙烷5kg，反式-1,3,3,3-四氟丙烯5kg，二氟甲烷5kg，氟乙烷5kg，聚氯乙烯0.1kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为1#，GWP值见表2。
实施例2
将2,3,3,3-四氟丙烯70kg，1,1,1,2-四氟乙烷10kg，反式-1,3,3,3-四氟丙烯10kg，二氟甲烷5kg，氟乙烷5kg，乙基磷酸二乙酯0.5kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为2#，GWP值见表2。
实施例3
将2,3,3,3-四氟丙烯65kg，1,1,1,2-四氟乙烷15kg，反式-1,3,3,3-四氟丙烯5kg，二氟甲烷10kg，氟乙烷5kg，三氟碘甲烷0.3kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为3#，GWP值见表2。
实施例4
将2,3,3,3-四氟丙烯50kg，1,1,1,2-四氟乙烷30kg，反式-1,3,3,3-四氟丙烯5kg，二氟甲烷5kg，氟乙烷10kg，聚氯乙烯0.2kg，三氟碘甲烷0.3kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为4#，GWP值见表2。
实施例5
将2,3,3,3-四氟丙烯35kg，1,1,1,2-四氟乙烷50kg，反式-1,3,3,3-四氟丙烯5kg，二氟甲烷5kg，氟乙烷5kg，聚氯乙烯0.3kg，乙基磷酸二乙酯0.4kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为5#，GWP值见表2。
实施例6
将2,3,3,3-四氟丙烯30kg，1,1,1,2-四氟乙烷12kg，反式-1,3,3,3-四氟丙烯20kg，二氟甲烷30kg，氟乙烷8kg，聚氯乙烯0.6kg，三氟碘甲烷0.4kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为6#，GWP值见表2。
实施例7
将2,3,3,3-四氟丙烯35kg，1,1,1,2-四氟乙烷20kg，反式-1,3,3,3-四氟丙烯23kg，二 氟甲烷15kg，氟乙烷7kg，聚氯乙烯0.4kg，乙基磷酸二乙酯0.4kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为7#，GWP值见表2。
实施例8
将2,3,3,3-四氟丙烯60kg，1,1,1,2-四氟乙烷18kg，反式-1,3,3,3-四氟丙烯7kg，二氟甲烷7kg，氟乙烷8kg，聚氯乙烯0.4kg，乙基磷酸二乙酯0.4kg，三氟碘甲烷0.2kg，在液相状态下进行物理混合，得到组合物，所得组合物编号为8#，GWP值见表2。
表2实施例1-8得到的组合物GWP值
实施例 组合物编号 GWP值
1 1# 99.1
2 2# 164.2
3 3# 262.8
4 4# 424.3
5 5# 684.1
6 6# 359.6
7 7# 362.1
8 8# 281.8
性能测试：
(1)相对COP、相对容量、排出温度测试
设定压缩机入口温度50℃，测试在冷凝器和蒸发器的温度范围内测试物质的COP值、相对容量和排出温度，结果见表3。
表3实施例1-8得到的组合物的性能
Figure PCTCN2021101731-appb-000005
Figure PCTCN2021101731-appb-000006
通过表3可以看出，本发明组合物具有比R134a更高的能效，且使用本发明组合物的压缩机将产生比R134a更低的排出温度。
(2)可混溶性测试
所测试的润滑剂为矿物油、硅油、多烷基苯(PAB)、聚亚烷基二醇(PAG)、多元醇酯(POE)和聚乙烯基醚(PVE)。测试时，选用两种润滑剂按各50％重量百分比混合后，再与测试物质混合。
采用小型压缩机，加入测试物质/润滑剂组合物，在40℃下，测试测试物质/润滑剂组合物与制冷系统中所使用的金属接触时，与润滑剂的相容性。判定测试物质/润滑剂在整个温度范围内以所有测试比例都可混溶。测试物质/润滑剂组合物如下：
(a)HFO-1234ze(E)和矿物油/硅油
(b)HFO-1234yf和PAG/硅油
(c)1#组合物和PAB/硅油
(d)2#组合物和PAG/POE
(e)3#组合物和PAG/PAB
(f)4#组合物和硅油/PAB
(g)5#组合物和PVE/硅油
(h)6#组合物和矿物油/硅油
(i)7#组合物和矿物油/PVE
(j)8#组合物和和PAG/POE
在试验过程中发现，本发明的组合物与压缩机制冷系统中的润滑剂接触时，具有更高的稳定性。
(3)燃烧性测试
燃烧性试验：按照美国ASTM-E681-01标准做燃烧性试验，其中LFL为燃烧极限的低限值，LFL值越大，燃烧性越低。结果见表4。
表4组合物的燃烧性比较
Figure PCTCN2021101731-appb-000007

Claims (8)

  1. 一种含有氟代烃的组合物，其特征在于，按重量份数，其组成为：
    Figure PCTCN2021101731-appb-100001
  2. 根据权利要求1所述的含有氟代烃的组合物，其特征在于，按重量份数，其组成为：
    Figure PCTCN2021101731-appb-100002
  3. 根据权利要求1或2所述的含有氟代烃的组合物，其特征在于，所述的1,3,3,3-四氟丙烯为反式-1,3,3,3-四氟丙烯。
  4. 根据权利要求1或2所述的含有氟代烃的组合物，其特征在于，所述的组合物全球变暖潜能值不大于750。
  5. 根据权利要求1或2所述的含有氟代烃的组合物，其特征在于，所述的组合物全球变暖潜能值不大于500。
  6. 根据权利要求1或2所述的含有氟代烃的组合物，其特征在于，所述的组合物全球变暖潜能值不大于150。
  7. 根据权利要求1或2所述的含有氟代烃的组合物，其特征在于，所述的阻燃剂选自聚氯乙烯、乙基磷酸二乙酯和三氟碘甲烷中的至少一种。
  8. 权利要求1或2所述的含有氟代烃的组合物的制备方法，其特征在于，将所述组分按其重量百分比在液相状态下进行物理混合，得到所述的组合物。
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