JPH07503741A - Compositions useful as refrigerants - Google Patents
Compositions useful as refrigerantsInfo
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- JPH07503741A JPH07503741A JP5512217A JP51221793A JPH07503741A JP H07503741 A JPH07503741 A JP H07503741A JP 5512217 A JP5512217 A JP 5512217A JP 51221793 A JP51221793 A JP 51221793A JP H07503741 A JPH07503741 A JP H07503741A
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- trifluoromethyl ether
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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
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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
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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
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/11—Ethers
- C09K2205/112—Halogenated ethers
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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
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/22—All components of a mixture being fluoro compounds
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- Combustion & Propulsion (AREA)
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- Organic Chemistry (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 冷媒として有用な組成物 本発明は一般的には冷却及び加熱用途用の冷媒(refrigerant)組成 物、並びに熱伝達装置におけるかかる組成物の使用に関する。さらに詳しくは、 本発明はクロロジフルオロメタン〔冷媒(Refrigerant) R−22 1、及びクロロジフルオロメタンとクロロペンタフルオロエタン〔冷媒(Ref rigerant) R−1151との共沸混合物(該共沸混合物は冷媒(Re frigerant) I?−502である)を代替することを意図する冷媒組 成物に関する。[Detailed description of the invention] Compositions useful as refrigerants The invention generally relates to refrigerant compositions for cooling and heating applications. and the use of such compositions in heat transfer devices. For more details, The present invention uses chlorodifluoromethane [Refrigerant R-22] 1, and chlorodifluoromethane and chloropentafluoroethane [refrigerant (Ref. azeotrope with R-1151 (the azeotrope is a refrigerant (Re frigerant) I? -502) Regarding products.
機械的冷却、冷凍設備(system)及び関連する熱伝達装置例えば熱ポンプ 及び空気調和装置は周知である。かかる装置においては、適当な沸点をもつ冷媒 液(refrigerant 1iquid)は低圧において周囲の帯域から熱 を奪いながら蒸発する。次いで、生成した蒸気は圧縮され、凝縮器に通され、該 凝縮器において上記蒸気が凝縮し、第二の帯域に対して熱を放出する。生成した 凝縮液は膨張弁を通して蒸発器に戻され、そこで冷却、冷凍サイクル(refr igeration cycle)が完結する。前記蒸気を圧縮し且つ前記冷媒 液をポンプで送液するのに必要とされる機械的エネルギーは、電動機(モーター )又は内燃機関によって提供し得る。Mechanical cooling, refrigeration systems and associated heat transfer devices such as heat pumps and air conditioners are well known. In such equipment, a refrigerant with an appropriate boiling point is used. The refrigerant liquid draws heat from the surrounding zone at low pressure. It evaporates while taking away the. The produced vapor is then compressed and passed through a condenser to In the condenser the vapor condenses and releases heat to the second zone. generated The condensate is returned to the evaporator through an expansion valve where it enters the cooling, refrigeration cycle (refrigeration cycle). generation cycle) is completed. compressing the vapor and compressing the refrigerant; The mechanical energy required to pump the liquid is provided by an electric motor. ) or by an internal combustion engine.
冷媒の好ましい緒特性としては、適当な沸点及び高い気化潜熱を有することに加 えて、低毒性、非引火性、非腐食性、高安定性及び不快臭がないことが挙げられ る。Preferred characteristics of the refrigerant include having a suitable boiling point and high latent heat of vaporization. In addition, it has low toxicity, non-flammability, non-corrosion, high stability and no unpleasant odor. Ru.
これまでに、熱伝達装置は完全に及び部分的にハロゲン化されたクロロフルオロ カーボン冷媒例えばクロロジフルオロメタン(冷媒1?−22) 、又はクロロ ジフルオロメタンとクロロペンタフルオロエタンとの共沸混合物(冷媒R−50 2)を使用する傾向にある。To date, heat transfer devices have been developed using fully and partially halogenated chlorofluorocarbons. Carbon refrigerant such as chlorodifluoromethane (refrigerant 1?-22), or chloro Azeotrope of difluoromethane and chloropentafluoroethane (refrigerant R-50 2) tends to be used.
しかしながら、近年、完全に及び部分的にハロゲン化されたクロロフルオロカー ボン類が地球を保護するオゾン層に損傷を与え得るという国際的な関心事が大き くなってきており、またこれらクロロフルオロカーボン類の製造と使用を厳しく 制限し、しかも最終的には段階的に完全に廃止すべきであるという一般的な合意 がある。However, in recent years fully and partially halogenated chlorofluorocarbons There is great international concern that carbon dioxide can damage the earth's protective ozone layer. The production and use of these chlorofluorocarbons is becoming increasingly strict. general agreement that it should be restricted and eventually phased out completely There is.
本発明が関連する型の熱伝達装置は本質的に密閉系であるが、該装置の運転中又 は保守操作中の漏れにより、大気に対して冷媒の損失(loss)を生じ得る。Although heat transfer devices of the type to which this invention relates are essentially closed systems, during operation of the device or can result in losses of refrigerant to the atmosphere due to leaks during maintenance operations.
従って、完全に及び部分的にハロゲン化されたクロロフルオロカーボン冷媒を、 オゾンを減少させる(ozonedepletion)可能性が実質的により少 ない物質好ましくは皆無である物質で代替えすることが重要である。Therefore, fully and partially halogenated chlorofluorocarbon refrigerants, Substantially less potential for ozone depletion It is important to replace the substances with substances that do not exist, preferably with substances that do not exist at all.
大気中のクロロフルオロカーボン冷媒の有意な(significant)濃度 は、オゾンを減少させる可能性のほかに、地球温暖化(いわゆる温室効果)の− 因となるであろう。従って、別の大気成分例えばヒドロキシルラジカルと反応す ることができる結果として比較的短い大気中寿命をもつ冷媒を使用することが望 ましい。Significant concentrations of chlorofluorocarbon refrigerants in the atmosphere In addition to the possibility of reducing ozone, it also has the potential to reduce global warming (the so-called greenhouse effect). It will be the cause. Therefore, it is possible to react with other atmospheric components such as hydroxyl radicals. It is desirable to use refrigerants that have relatively short atmospheric lifetimes as a result of their ability to Delicious.
本発明によれば、冷媒R−22及びR−502の代わりに使用し得る冷媒組成物 が提供される。本発明の組成物は、本質的にオゾンを減少させる可能性が皆無で ありしかも直接的な地球温暖化の可能性が比較的少ない冷媒化合物を含有する。According to the invention, a refrigerant composition that can be used in place of refrigerants R-22 and R-502 is provided. The compositions of the present invention have essentially no ozone depletion potential. Contains refrigerant compounds that have a relatively low potential for direct global warming.
従って、本発明によれば、ジフルオロメタン(CH2F2) 、ペンタフルオロ エタン(CF3CHF2)及び1.1.1− )リフルオロエタン(CF2Cl 、)から選択されるハイドロフルオロアルカンの少なくとも1種と、ジフルオロ メチルトリフルオロメチルエーテル(CF30C1lF2)との混合物を含有し てなる冷媒組成物が提供される。Therefore, according to the present invention, difluoromethane (CH2F2), pentafluoro Ethane (CF3CHF2) and 1.1.1-)lifluoroethane (CF2Cl ,) and at least one hydrofluoroalkane selected from Contains a mixture with methyl trifluoromethyl ether (CF30C11F2) A refrigerant composition is provided.
本発明の冷媒組成物は、典型的にはジフルオロメチルトリフルオロメチルエーテ ル5〜95重量%とハイドロフルオロアルカン成分95〜5重量%とを含有する 。適当な冷媒組成物は前記の3種類の特定化合物から選択される単一のハイドロ フルオロアルカンを含有するか、あるいは前記のハイドロフルオロアルカン類の うちの任意の2種類の混合物又は3種類全部の混合物を含有し得る。本発明の冷 媒組成物は、オゾン減少させる可能性が少ないか好ましくは皆無である別の冷媒 化合物、例えば別のハイドロフルオロアルカン類及び/又は残存(residu al)水素原子含有の別の弗素化エーテルを追加成分として含有し得る。本発明 の冷媒組成物に配合し得る別のハイドロフルオロアルカン類の例としては、1, 1.1.2−テトラフルオロエタン(R−1,34a)、1.1.2.2−テト ラフルオロエタン(R−134)及び1,1−ジフルオロエタン(R−1528 )が挙げられる。本発明の冷媒組成物に含有させ得る別の弗素化エーテル類の例 は、残存水素原子を有する弗素化ジメチルエーテルである。The refrigerant composition of the present invention typically comprises difluoromethyl trifluoromethyl ether. contains 5 to 95% by weight of alcohol and 95 to 5% by weight of hydrofluoroalkane component. . Suitable refrigerant compositions include a single hydrocarbon selected from the three specific compounds mentioned above. containing a fluoroalkane or one of the hydrofluoroalkanes mentioned above. It may contain mixtures of any two of these or mixtures of all three. The cooling of the present invention The medium composition may include another refrigerant that has less or preferably no ozone depletion potential. compounds, such as other hydrofluoroalkanes and/or residual al) Further fluorinated ethers containing hydrogen atoms may be contained as additional components. present invention Examples of other hydrofluoroalkanes that can be incorporated into the refrigerant composition include 1, 1.1.2-tetrafluoroethane (R-1,34a), 1.1.2.2-tet Lafluoroethane (R-134) and 1,1-difluoroethane (R-1528) ). Examples of other fluorinated ethers that can be contained in the refrigerant composition of the present invention is a fluorinated dimethyl ether with residual hydrogen atoms.
本発明の冷媒組成物は別の冷媒化合物を含有し得るが、本発明の好ましい冷媒組 成物は本質的にジフルオロメタン(R−32)、ペンタフルオロエタン(R−1 25)及び1.1.1〜トリフルオロエタン(R−143a)から選択されるハ イドロフルオロアルカンの少なくとも1種と、ジフルオロメチルトリフルオロメ チルエーテルとからなる。Although the refrigerant compositions of the present invention may contain other refrigerant compounds, preferred refrigerant compositions of the present invention The compositions are essentially difluoromethane (R-32), pentafluoroethane (R-1 25) and 1.1.1 to trifluoroethane (R-143a). At least one hydrofluoroalkane and difluoromethyltrifluoromethane Consists of chill ether.
本発明の冷媒組成物は共沸性(azeotropic)であり得るが、該組成物 は好ましくは共沸性又は共沸点混合物様のものである。Although the refrigerant compositions of the present invention can be azeotropic, the compositions is preferably azeotropic or azeotrope-like.
本発明の好ましい冷媒組成物は、ジフルオロメチルトリフルオロメチルエーテル とジフルオロメタンとを含有してなる。その理由は、かかる組成物が冷媒R−2 2及びR−502の特に適当な代替品を提供し得るからである。かかる組成物は 、さらに別の冷媒化合物、例えばペンタフルオロエタン及び/又は1.1.1− トリフルオロエタン及び/又は、残存水素原子を有する別の弗素化エーテル類 の少なくとも1種及び/又は別のハイドロフルオロアルカンの少なくとも1種を 追加成分として含有し得る。しかしながら、特に好ましい冷媒組成物は、ジフル オロメチルトリフルオロメチルエーテルとジフルオロメタンとから本質的になる ものである。その理由は、かかる組成物が特に冷媒R−22及びR−502に匹 敵する熱伝達装置内性能を示し得るからである。A preferred refrigerant composition of the present invention is difluoromethyl trifluoromethyl ether. and difluoromethane. The reason is that such a composition 2 and R-502. Such compositions , further refrigerant compounds, such as pentafluoroethane and/or 1.1.1- Trifluoroethane and/or another fluorinated ether with residual hydrogen atoms and/or at least one other hydrofluoroalkane. May be included as an additional ingredient. However, particularly preferred refrigerant compositions include diflu consisting essentially of oromethyl trifluoromethyl ether and difluoromethane It is something. The reason is that such compositions are particularly comparable to refrigerants R-22 and R-502. This is because the internal performance of the heat transfer device can be exhibited.
ジフルオロメチルトリフルオロメチルエーテル20〜80重量%とジフルオロメ タン80〜20重量%とを含有する本発明の冷媒組成物が、冷媒R−502の代 替品として好ましい。R−502の代替品として、ジフルオロメチルトリフルオ ロメチルエーテル40〜80重量%とジフルオロメタン60〜20重量%とを含 有する本発明の冷媒組成物が好ましく、ジフルオロメチルトリフルオロメチルエ ーテル50〜75重量%とジフルオロメタン50〜25重量%とを含有する冷媒 組成物が特に好ましい。20-80% by weight of difluoromethyl trifluoromethyl ether and difluoromethane The refrigerant composition of the present invention containing 80 to 20% by weight of tan is a substitute for refrigerant R-502. Preferable as a replacement item. As an alternative to R-502, difluoromethyltrifluoro Contains 40-80% by weight of dimethyl ether and 60-20% by weight of difluoromethane. Preferably, the refrigerant composition of the present invention has difluoromethyl trifluoromethyl ether. Refrigerant containing 50 to 75% by weight of difluoromethane and 50 to 25% by weight of difluoromethane Compositions are particularly preferred.
R−502ノ代替えをするための特に好ましい冷媒組成物は、ジフルオロメチル トリフルオロメチルエーテル50〜70重量%とジフルオロメタン50〜30重 量%とを含有する。A particularly preferred refrigerant composition for replacing R-502 is difluoromethyl 50-70% by weight of trifluoromethyl ether and 50-30% by weight of difluoromethane %.
第1表〜第3表に、本発明の多数の冷媒組成物の低温冷却、冷凍サイクルに(a low temperature refrigeration cycle )おける性能を分析してR−502の代替品としての適性を評価した結果を示す 。分析した組成物は全て、種々の量のジフルオロメチルトリフルオロメチルエー テル(表中のE−125)とジフルオロメタン(表中のR−32)とからなるも のであった。分析した冷媒組成物中の各成分の重量%を表の第2行目に示す。す なわち、下記の冷媒組成物の性能の分析結果を第1表〜第3表に示す。Tables 1 to 3 show that a number of refrigerant compositions of the present invention are used in low-temperature cooling and refrigeration cycles (a low temperature refrigeration cycle ) shows the results of evaluating its suitability as a replacement for R-502. . All compositions analyzed contained varying amounts of difluoromethyl trifluoromethyl ether. A compound consisting of ester (E-125 in the table) and difluoromethane (R-32 in the table) It was. The weight percent of each component in the analyzed refrigerant composition is shown in the second row of the table. vinegar That is, Tables 1 to 3 show the analysis results of the performance of the following refrigerant compositions.
(1)ジフルオロメタン75重量%とジフルオロメチルトリフルオロメチルエー テル25重量%とからなる組成物。(1) 75% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition comprising 25% by weight of tel.
(2)ジフルオロメタン50重量%とジフルオロメチルトリフルオロメチルエー テル50重量%とからなる組成物。(2) 50% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 50% by weight of tel.
(3)ジフルオロメタン25重量%とジフルオロメチルトリフルオロメチルエー テル75重量%とからなる組成物。(3) 25% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 75% by weight of tel.
(4)ジフルオロメタン30重量%とジフルオロメチルトリフルオロメチルエー テル70重量%とからなる組成物。(4) 30% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 70% by weight of tel.
(5)ジフルオロメタン35重量%とジフルオロメチルトリフルオロメチルエー テル65重量%とからなる組成物。(5) 35% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 65% by weight of tel.
前記の分析には3種類の組(set)の運転条件を使用した。これらの条件は下 記の通りである。Three sets of operating conditions were used in the above analysis. These conditions are below As written.
第1の組: 蒸発器温度;−40℃ 冷却器温度=32℃ 過熱:58℃ 過冷却: 0℃ 冷却能力+ IK? 等エントロピー圧縮効率=100% これらの運転条件を使用した低温冷却、冷凍サイクルにおける種々の冷媒組成物 の分析の結果を第1表に示す。First set: Evaporator temperature: -40℃ Cooler temperature = 32℃ Overheating: 58℃ Supercooling: 0℃ Cooling capacity + IK? Isentropic compression efficiency = 100% Various refrigerant compositions in low-temperature cooling and refrigeration cycles using these operating conditions The results of the analysis are shown in Table 1.
第2の組: 蒸発器温度ニー32℃ 冷却器温度:43℃ 過熱=50℃ 過冷却: 0℃ 冷却能カニ IKW 等エントロピー圧縮効率:100% これらのの運転条件を使用した低温冷却、冷凍サイクルにおける種々の冷媒組成 物の分析結果を第2表に示す。Second set: Evaporator temperature knee 32℃ Cooler temperature: 43℃ Overheating = 50℃ Supercooling: 0℃ Cooling Crab IKW Isentropic compression efficiency: 100% Various refrigerant compositions in low-temperature cooling and refrigeration cycles using these operating conditions The analysis results are shown in Table 2.
第3の組: 蒸発器温度ニー40℃ 冷却器温度=54℃ 過熱:58℃ 過冷却: 0℃ 冷却能カニ IKW 等エントロピー圧縮効率=100% これらの運転条件を使用する低温冷却、冷凍サイクルにおける種々の冷媒組成物 の分析結果を第3表に示す。Third set: Evaporator temperature knee 40℃ Cooler temperature = 54℃ Overheating: 58℃ Supercooling: 0℃ Cooling Crab IKW Isentropic compression efficiency = 100% Various refrigerant compositions in low-temperature cooling and refrigeration cycles using these operating conditions The analysis results are shown in Table 3.
第1表〜第3表に示される冷媒組成物の性能パラメーター、すなわち凝縮器圧力 、蒸発器圧力、吐出し温度、戻りガス温度、容積流(volumetric f low)、装置効率(性能係数;該係数は圧縮器に供給された機械的エネルギー に対する達成された冷却能力の比を表わす)、冷凍能力(圧縮器の単位行程容積 当たりの冷却能力)及び蒸発器のグライド(glide)(冷媒組成物が蒸発器 中で沸騰する温度範囲)は、全て当該技術において認識されているパラメーター である。表に示した性能係数の値は過熱を考慮していない。Performance parameters of the refrigerant compositions shown in Tables 1 to 3, namely condenser pressure , evaporator pressure, discharge temperature, return gas temperature, volumetric f low), equipment efficiency (coefficient of performance; the coefficient is the mechanical energy supplied to the compressor represents the ratio of achieved cooling capacity to ), refrigeration capacity (unit stroke volume of the compressor) cooling capacity per unit) and evaporator glide (refrigerant composition (boiling temperature range) are all parameters recognized in the art. It is. The performance coefficient values shown in the table do not take into account overheating.
また、比較として、前記の3種類の組の運転条件下における冷媒ト502とジフ ルオロメタンの性能も表に示す。In addition, for comparison, the refrigerant tank 502 and the dif- ferent tank under the three types of operating conditions described above are also shown. The performance of fluoromethane is also shown in the table.
第1表〜第3表から、ジフルオロメチルトリフルオロメチルエーテルとジフルオ ロメタンとを含有してなる本発明の冷媒組成物が、冷媒ト502の低温冷却、冷 凍装置内性能に匹敵する性能を示し得ることが明らかである。性能係数及び圧縮 器の単位行程容積当たりの冷却能力の値によって示されるように、冷却、冷凍装 置において単独冷媒としてジフルオロメタンを使用する場合にはR−502に比 べて高いエネルギー効率と高い冷却、冷凍能力が得られる。しかしながら、ジフ ルオロメタンを用いて得られる吐出し温度、凝縮器圧力及び蒸発器圧力もまた高 く、R−502の代替品を探索する場合には理想的ではない。ジフルオロメタン にジフルオロメチルトリフルオロメチルエーテルを添加すると、R−502に匹 敵し、ある場合にはそれよりも優るエネルギ効率及び冷却、冷凍能力を保持しな がら、吐出し温度、凝縮器圧力及び蒸発器圧力を低下させる手段を提供する。さ らにまた、試験した混合冷媒組成吻合てについての蒸発器におけるグライド(g lide)は1.4℃以下であり、かかる組成物が共沸混合物様であることを示 した。From Tables 1 to 3, difluoromethyl trifluoromethyl ether and difluoromethyl The refrigerant composition of the present invention containing It is clear that performance comparable to in-freezer performance can be demonstrated. Performance factor and compression cooling and refrigeration equipment, as indicated by the value of cooling capacity per unit stroke volume of the When difluoromethane is used as the sole refrigerant in a This provides high energy efficiency and high cooling and refrigeration capacity. However, Jifu The discharge temperatures, condenser pressures and evaporator pressures obtained with fluoromethane are also high. This is not ideal when searching for a replacement for R-502. difluoromethane When difluoromethyl trifluoromethyl ether is added to R-502, It must maintain energy efficiency and cooling and refrigeration capabilities that are comparable to, and in some cases superior to, However, it provides a means to reduce discharge temperature, condenser pressure and evaporator pressure. difference Additionally, the glide (g) in the evaporator for the tested mixed refrigerant composition anastomoses ) is below 1.4°C, indicating that such a composition is azeotrope-like. did.
特に空気調和用途における冷媒R−22の代替品としては、ジフルオロメチルト リフルオロメチルエーテル25〜99重量%、例えば50〜99重量%と、ジフ ルオロメタン75〜1重量%例えば50〜1重量%とを含有する本発明の冷媒組 成物が好ましい。空気調和用途におけるR−22の代替えにさらに好ましい冷媒 組成物は、ジフルオロメチルトリフルオロメチルエーテル70〜90重量%と、 ジフルオロメタン30〜10重量%とを含有する。空気調和用途におけるR−2 2の代替えに特に好ましい冷媒組成物は、ジフルオロメチルトリフルオロメチル エーテル75〜90重量%と、ジフルオロメタン25〜10重量%とを含有する 。Particularly as a substitute for refrigerant R-22 in air conditioning applications, difluoromethyl 25-99% by weight of refluoromethyl ether, such as 50-99% by weight, and difluoromethyl ether. Refrigerant set of the present invention containing 75-1% by weight of fluoromethane, for example 50-1% by weight compositions are preferred. A more preferable refrigerant to replace R-22 in air conditioning applications The composition comprises 70-90% by weight of difluoromethyl trifluoromethyl ether; 30 to 10% by weight of difluoromethane. R-2 in air conditioning applications A particularly preferred refrigerant composition in place of 2 is difluoromethyltrifluoromethyl. Contains 75-90% by weight of ether and 25-10% by weight of difluoromethane. .
第4表及び第5表に、冷却、冷凍サイクルにおける本発明の多数の冷媒組成物の 性能を分析して空気調和用途におけるR−22の代替品としての適性を評価した 結果を示す。分析した組成物は全て種々の量のジフルオロメチルトリフルオロメ チルエーテル(表中のE−125)とジフルオロメタン(表中のR−32)とか らなるものであった。分析した冷媒組成物中の各成分の重量%を表の第2行目に 示す。すなわち、下記の冷媒組成物の性能の分析結果を第4表及び第5表に示す 。Tables 4 and 5 show a number of refrigerant compositions of the present invention in cooling and refrigeration cycles. The performance was analyzed to evaluate its suitability as a replacement for R-22 in air conditioning applications. Show the results. All compositions analyzed contained varying amounts of difluoromethyl trifluoromethane. Thyl ether (E-125 in the table) and difluoromethane (R-32 in the table) It was made up of several things. The weight percent of each component in the analyzed refrigerant composition is shown in the second row of the table. show. That is, the analysis results of the performance of the following refrigerant composition are shown in Tables 4 and 5. .
(1)ジフルオロメタン75重量%とジフルオロメチルトリフルオロメチルエー テル25重量%とからなる組成物。(1) 75% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition comprising 25% by weight of tel.
(2)ジフルオロメタン50重量%とジフルオロメチルトリフルオロメチルエー テル50重量%とからなる組成物。(2) 50% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 50% by weight of tel.
(3)ジフルオロメタン25重量%とジフルオロメチルトリフルオロメチルエー テル75重量%とからなる組成物。(3) 25% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 75% by weight of tel.
(4)ジフルオロメタン20重量%とジフルオロメチルトリフルオロメチルエー テル80重量%とからなる組成物。(4) 20% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 80% by weight of tel.
(5)ジフルオロメタン15重量%とジフルオロメチルトリフルオロメチルエー テル85重量%とからなる組成物。(5) 15% by weight of difluoromethane and difluoromethyl trifluoromethyl ether A composition consisting of 85% by weight of tel.
前記の分析には2種類の組の運転条件を使用した。使用した条件は、冷媒として R−22を使用する空気調和装置において普及している(prevail)と思 われる条件を表わす(reflect)。前記の2組の条件は下記の通りである 。Two sets of operating conditions were used in the above analysis. The conditions used were as a refrigerant. I think it is prevail in air conditioners that use R-22. (reflect). The above two sets of conditions are as follows. .
第4の組: 蒸発器温度、 4.44℃ 冷却器温度: 37.78℃ 過熱: 11.11℃ 過冷却二 〇℃ 冷却能力、 I K? 等エントロピー圧縮効率=75% これらの運転条件を使用した冷却、冷凍サイクルにおける種々の冷媒組成物の分 析の結果を第4表に示す。Fourth set: Evaporator temperature, 4.44℃ Cooler temperature: 37.78℃ Overheating: 11.11℃ Supercooled 20℃ Cooling capacity, IK? Isentropic compression efficiency = 75% Distribution of various refrigerant compositions in cooling and refrigeration cycles using these operating conditions The results of the analysis are shown in Table 4.
第5の組: 蒸発器温度、 8.89℃ 冷却器温度: 37.78℃ 過熱、 11.11℃ 過冷却、 8.83℃ 冷却能力、 l KW 等エントロピー圧縮効率=75% これらの運転条件を使用した冷却、冷凍サイクルにおける種々の冷媒組成物の分 析の結果を第5表に示す。Fifth set: Evaporator temperature, 8.89℃ Cooler temperature: 37.78℃ Overheating, 11.11℃ Supercooled, 8.83℃ Cooling capacity, l KW Isentropic compression efficiency = 75% Distribution of various refrigerant compositions in cooling and refrigeration cycles using these operating conditions The results of the analysis are shown in Table 5.
第4表及び第5表に示される性能パラメーターは、第1表〜第3表に示した性能 パラメーターと同じである。しかしながら、第4表及び第5表に示した性能係数 の値は過熱を考慮に入れている。The performance parameters shown in Tables 4 and 5 are the performance parameters shown in Tables 1 to 3. Same as parameter. However, the performance coefficients shown in Tables 4 and 5 The value of takes into account overheating.
また、比較として、前記の2種類の組の運転条件下における冷媒R−22とジフ ルオロメチルトリフルオロメチルエーテルの性能も第4表及び第5表に示す。In addition, for comparison, refrigerant R-22 and Diffusion under the above two sets of operating conditions are shown. The performance of fluoromethyl trifluoromethyl ether is also shown in Tables 4 and 5.
第4表及び第5表から、ジフルオロメチルトリフルオロメチルエーテルとジフル オロメタンとを含有してなる本発明の冷媒組成物が、冷媒R−22の空気調和装 置における性能と類似している性能を示し得ることが明らかである。From Tables 4 and 5, difluoromethyl trifluoromethyl ether and difluor The refrigerant composition of the present invention containing olomethane can be used in air conditioners using refrigerant R-22. It is clear that the performance can be shown to be similar to that in the
ジフルオロメチルトリフルオロメチルエーテル75〜90重量%と、ジフルオロ メタン25〜10重量%とを含有する冷媒組成物、特にジフルオロメチルトリフ ルオロメチルエーテル75〜85重量%と、ジフルオロメタン25〜15重量% とを含有する冷媒組成物が、空気調和用途における冷媒R−22の良好な代替品 を提供することもまた明らかである。75-90% by weight of difluoromethyl trifluoromethyl ether and A refrigerant composition containing 25 to 10% by weight of methane, especially difluoromethyltrif 75-85% by weight of fluoromethyl ether and 25-15% by weight of difluoromethane A refrigerant composition containing is a good replacement for refrigerant R-22 in air conditioning applications. It is also clear that the
本発明の冷媒組成物は簡単な混合法により調製し得る。The refrigerant composition of the present invention can be prepared by a simple mixing method.
本発明の冷媒組成物は、あらゆる型の圧縮サイクル式熱伝達装置において有用で ある。従って、本発明の冷媒組成物は、該冷媒組成物を凝縮させ、その後に冷却 されるべき物体との熱交換関係において該冷媒組成物を蒸発させることを伴う方 法によって冷却を提供するのに使用し得る。また、本発明の冷媒組成物は、該冷 媒組成物を加熱されるべき物体との熱交換関係において凝縮させ、その後に該冷 媒組成物を蒸発させることを伴う方法によって加熱を提供するのに使用し得る。The refrigerant compositions of the present invention are useful in all types of compression cycle heat transfer devices. be. Therefore, the refrigerant composition of the present invention allows the refrigerant composition to be condensed and then cooled. methods that involve evaporating said refrigerant composition in a heat exchange relationship with an object to be may be used to provide cooling by any method. Further, the refrigerant composition of the present invention The medium composition is condensed in heat exchange relationship with the object to be heated, and then the cooling is performed. It can be used to provide heating by methods that involve evaporating the medium composition.
本発明の組成物は、大気寿命、オゾンを減少させること、吐出し温度、作動圧力 及び効率との間に良好な歩み寄り(compromise)を提供する。前記組 成物は、R−22及びR−502共沸混合物の代替品として特に適している。The compositions of the present invention have excellent atmospheric lifetime, ozone depletion, discharge temperature, and operating pressure. and efficiency. Said group The composition is particularly suitable as a replacement for R-22 and R-502 azeotropes.
第1表 冷 媒 R−502R,−32R−32/E−125重量% 100 100 75/25 50150 25/75凝縮器圧力 (バール) 13.89 20.31 19.12 17.3814.7.5蒸 発器圧力 (バール) 1.31 1.7B 1.67 1.51 1.26吐出し温度 (℃) 110.8 176.5 150.5 126.1 104.2戻りガ ス温度 (℃) 111.0 1B、0 113.2 Li2 18.7容積流 (M3/5XIQ’) 0.180 0.100 0.118 0.141 0 .1134単位行程容積 当たりの 冷却能力(K17m3) 、555 1000 1147 709 543性能 係数 1.64 1.7B 1.74 1.681.59沸点 BP” −45 ,6−517−51,07−49,64−46,91(℃) DP” −45, 6−51,7−50,63−413,32−44,43蒸発器における グライド(’C) OOO,41,01,4会 BP=泡立ち点 會會 Dr =露点 第1表(続き) 冷 媒 R−502R−32R−32/E−125重量% 100 100 3 0/70 35765凝縮器圧力 (バール) 13.89 20.31 15.22 15.95蒸発器圧力 (バール) 工、31 1.71B 1.32 1.37吐出し温度 (”C) 11o、a 176、s 1oa、s 112.8戻りガス温度 (’C) 18.0 1+3.0 1a、7 18.7容積流 CM3/s x102) 0.180 0.100 0.172 0.163単 位行程容積 当たりの 冷却能力(KW/m’ ) sss 1000 5a1613性能係数 1.6 4 1.7g 1.61: 1.63洟点 BP費 −45,6−51,7−4 7,65−4L31(”C) DP會* −45,6−51,7−45,36− 46,22蒸発器における グライド(”C) o O1,41,3食 BP =泡立ち点 会食 DP =露点 第2表 冷 媒 R−502R−32R−32/E−125重量% 100 100 7 5/25 50150 25775凝縮器圧力 (バール) IB、02 26.70 25.工5 22.89 19.41蒸 発器圧力 (バール) 1.84 2.52 2.37 2.13 1.78吐出し温度 (’C) 110.3 173.4 149.2 工25.9 104.6戻り ガス温度 (’Q) la、0 113.0 1B、2 1B、5 18.7容積流 (Mン5X102) o、14o o、oao O,0920,1120,14 8単位行程容積 当たりの 冷却能力(K?/m’) 714 1250 1087 893 676會 B P=泡立ち点 ★會 DP”露点 第2表(続き) 冷 媒 R−502132R−32/E−12571H%100 100 30 /70 35/65凝縮器圧力 (バール) 1B、02 26.70 20.15 21.07蒸発器圧力 (バール) 1・84 2.52 1.86 1.94吐出し温度 (℃) 110.3 173.4 10B、7 113.2戻りガス温度 (℃) 18.0 18.0 1[1,618,6容積流 冷却能力(X17m3) 714 1250 725 763嚢 BP =泡立 ち点 +*DP=露点 第3表 冷 g R−502R−32R−32/E−125重量%100 100 75 /25 50150 25/75凝縮器圧力 (バール) 23.01 34.50 32.53 29.70 25.11蒸 発器圧力 (バール) 1.31 1.7B 167 1.!io 1.25吐出し温度 (”C) 13!1.3 216.7 HI3.4 154.5127.2戻り ガス温度 (’C) L8.OL8.0 1g、1 113.4 18.4容積流 (M3/5X102) o、zso O,1300,1620,2070,29 8単位行程容積 当たりの 冷却能力(X17m3) 400 769 617 483 336性能係数 0.92 1.工3 1.00 0.92 0.aO沸 点 BP會 −45, 6−51,7−51,07−49,64−46,91(’C) DP會喰 −4 5,6−51,7−50,63−48,32−44,43蒸発器における グライド(”C) o OO,30,70,9會 BP =泡立ち点 貴書 pp =露点 第3表(続き) 冷 媒 R−502R−32R−32/E−1251[量% 100 ユ00 30/70 35/65凝縮器圧力 (バール) 23.01 34.50 26.19 27.06蒸発器圧力 (バール) 1.31 1.78 1.31 1.36吐出し温度 (”C) 135・3216・7132・5137・7戻りガス温度 (℃) 113.0 113.0 1B、5 1B、5容積流 (M3/8X102 ) 0.250 0.130 0.273 0.251単 位行程容積 当たりの in!能力(O/m’ ) 400 769 366 398性能係数 0.9 2 1,13 0.83 0.86沸 点 BP會 −45,6−51,7−4 7,65−48,31(”l:) DP會会食 −45,6−51,7−45, 36−46,22蒸発器における グライド(’C) o OO,9。、9會 np=泡立ち点 会豐 DP =露点 第4表 冷 媒 R−22E−12!l R−32/E−125重量% 100 100 75/25 50150 25/75凝縮器圧力 (バール) 14.50 12.80 22.14 20.31 17.07蒸 発器圧力 (バール) 5.70 5.00 8.80 7.95 6.68吐出し温度 (”C) 74.3 49.4 80.0 70.7 60.7戻りガス温度 (℃) 15.5 115 15.8 16.4 16.8容積流 (M’/5X10’) 0.027 0.035 0.019 0.022 0 .026単位行程容積 当たりの 冷却能力(KT/a+’) 370El 2857 5263 4545 31 346性能係数 5.19 4,83 4.8!+ 4.78 4.88沸点 BP會 −41,0−313,4−50,07−49,64−46,91(’C ) DP會会食 −41,0−313,4−50,63−4E1.32 −44 .43蒸発器における グライド(”C) o OO,61,62,4食 BP =泡立ち点 豐会 DP =露点 第4表(続き) 冷 媒 R−22E−125R−32/E−125重11%100 100 2 0180 15/85凝縮器圧力 (バール)14・5012・8016・3115・40蒸発器圧力 (バール) 5.70 5.00 6.37 6.03吐出し温度 (℃) 74.3 49.4 5B、8 56.4戻りガス温度 (℃) 15.5 115 15.7 16.6容積流 (M!/、 X102 ) 0.027 0.035 0.0280.030単 位行程容積 当たりの 冷却能力(KT/m3) 37oa 2857 351 3333性能係数 5 .19 4.83 k、87 4.91沸点BP會 −41,0−38,4−4 6,01−44,88(’C) DP”* −41,0−313,4−43+4 1 −42.30蒸発器における グライド(’C) o O2,4z、1會 BP =泡立ち点 会食 DP =露点 第5表 冷 媒 R−22E−125R−32/E−125重量% 100 100 7 5/25 50150 25/75凝縮器圧力 (バール) 14.50 12J0 22.14 20.31 17.07蒸発 器圧力 (バール) 6.60 5.75 10.09 9.13 7.70吐出し温度 (℃) 70.4 49.2875.5 67.8 59.3戻りガス温度 (℃) 20.0 20.0 20.3 20.9 21.5容積流 (M!/8X102) 0.022 0.026 0.015 0,017 0 .020単位行程容積 当たりの 冷却能力(1(17m3) 4560 3846 6667 5882 500 0性能係数 6.60 6.54 6.32 6.29 6.52沸点 BP會 −41,0−38,4−51,07−49,64−46,9i(’C) DP 會会食 −41,0−3E1.4 −50.63 −4J3.32 −44.4 3蒸発器における グライドC℃) OOO,61132,9會 BP=泡立ち点 会費 DP=露点 第5表(続き) 冷 媒 R−22E−125R−32/E−125重量% 100 100’2 0/80 ユ5185凝縮器圧力 (バール) L4.50 12.80 16.31 1.5.40蒸発器圧力 (バール) 6,60 5.75 7;34 6.97吐出し温度 (”C) 70,4 49.28 57.6 55.6戻りガス温度 当たりの 冷却能力(KY/w’ ) 4560 3846 4762 4348蒸発器に おける グライド(’C) o o z、a 2.6責 BP =泡立ち点 前置 DP =露点 国際調査報告 PCT/GB 9u02383フロントページの続き (72)発明者 モリソン、ジェームス、デーピッドイギリス国、チェシャー・ シイダブリュ9・8キユイー、ノースウィッチ、モールトン、ニットリーズ・レ ーン、12Table 1 Refrigerant R-502R, -32R-32/E-125% by weight 100 100 75/25 50150 25/75 condenser pressure (Bar) 13.89 20.31 19.12 17.3814.7.5 Steam Generator pressure (Bar) 1.31 1.7B 1.67 1.51 1.26 Discharge temperature (℃) 110.8 176.5 150.5 126.1 104.2 Return gas temperature (℃) 111.0 1B, 0 113.2 Li2 18.7 Volume flow (M3/5XIQ’) 0.180 0.100 0.118 0.141 0 .. 1134 unit stroke volume A hit Cooling capacity (K17m3), 555 1000 1147 709 543 performance Coefficient 1.64 1.7B 1.74 1.681.59 Boiling point BP” -45 , 6-517-51, 07-49, 64-46, 91 (℃) DP” -45, 6-51, 7-50, 63-413, 32-44, 43 in evaporator Glide ('C) OOO, 41, 01, 4 meeting BP = bubble point Meeting Dr = Dew point Table 1 (continued) Refrigerant R-502R-32R-32/E-125% by weight 100 100 3 0/70 35765 condenser pressure (bar) 13.89 20.31 15.22 15.95 Evaporator pressure (Bar) Work, 31 1.71B 1.32 1.37 Discharge temperature (''C) 11o, a 176, s 1oa, s 112.8 Return gas temperature ('C) 18.0 1+3.0 1a, 7 18.7 volume flow CM3/s x102) 0.180 0.100 0.172 0.163 unit stroke volume A hit Cooling capacity (KW/m’) sss 1000 5a1613 Performance coefficient 1.6 4 1.7g 1.61: 1.63 points BP cost -45, 6-51, 7-4 7,65-4L31(”C) DP meeting *-45,6-51,7-45,36- 46,22 in evaporator Glide ("C) o O1, 41, 3 meals BP = bubble point Dinner DP = Dew point Table 2 Refrigerant R-502R-32R-32/E-125% by weight 100 100 7 5/25 50150 25775 condenser pressure (Bar) IB, 02 26.70 25. Engineering 5 22.89 19.41 Steaming Generator pressure (Bar) 1.84 2.52 2.37 2.13 1.78 Discharge temperature ('C) 110.3 173.4 149.2 Engineering 25.9 104.6 Return gas temperature ('Q) la, 0 113.0 1B, 2 1B, 5 18.7 volume flow (Mn5X102) o, 14o o, oao O, 0920, 1120, 14 8 unit stroke volume A hit Cooling capacity (K?/m’) 714 1250 1087 893 676 B P = bubble point ★Meeting DP” Dew point Table 2 (continued) Refrigerant R-502132R-32/E-12571H%100 100 30 /70 35/65 condenser pressure (bar) 1B, 02 26.70 20.15 21.07 Evaporator pressure (Bar) 1.84 2.52 1.86 1.94 Discharge temperature (℃) 110.3 173.4 10B, 7 113.2 Return gas temperature (℃) 18.0 18.0 1 [1,618,6 volume flow Cooling capacity (X17m3) 714 1250 725 763 bags BP = Foaming Chi point +*DP=dew point Table 3 Cold g R-502R-32R-32/E-125 weight% 100 100 75 /25 50150 25/75 condenser pressure (Bar) 23.01 34.50 32.53 29.70 25.11 Steam Generator pressure (Bar) 1.31 1.7B 167 1. ! io 1.25 discharge temperature (”C) 13!1.3 216.7 HI3.4 154.5127.2 Return gas temperature ('C) L8. OL8.0 1g, 1 113.4 18.4 volume flow (M3/5X102) o, zso O, 1300, 1620, 2070, 29 8 unit stroke volume A hit Cooling capacity (X17m3) 400 769 617 483 336 Performance coefficient 0.92 1. Engineering 3 1.00 0.92 0. aO boiling point BP meeting -45, 6-51, 7-51, 07-49, 64-46, 91 ('C) DP Kaikui -4 5, 6-51, 7-50, 63-48, 32-44, 43 in evaporator Glide ("C) o OO, 30, 70, 9 BP = bubble point Your book pp = dew point Table 3 (continued) Refrigerant R-502R-32R-32/E-1251 [Amount% 100 Yu00 30/70 35/65 condenser pressure (bar) 23.01 34.50 26.19 27.06 Evaporator pressure (Bar) 1.31 1.78 1.31 1.36 Discharge temperature (''C) 135・3216・7132・5137・7 Return gas temperature (℃) 113.0 113.0 1B, 5 1B, 5 Volume flow (M3/8X102) 0.250 0.130 0.273 0.251 unit stroke volume A hit In! Capacity (O/m’) 400 769 366 398 Performance coefficient 0.9 2 1, 13 0.83 0.86 boiling point BP meeting -45, 6-51, 7-4 7, 65-48, 31 ("l:) DP meeting dinner -45, 6-51, 7-45, 36-46, 22 in evaporator Glide ('C) o OO, 9. , 9 meetings np = bubble point Meeting DP = Dew point Table 4 Refrigerant R-22E-12! l R-32/E-125 weight% 100 100 75/25 50150 25/75 condenser pressure (Bar) 14.50 12.80 22.14 20.31 17.07 Steam Generator pressure (Bar) 5.70 5.00 8.80 7.95 6.68 Discharge temperature (''C) 74.3 49.4 80.0 70.7 60.7 Return gas temperature (℃) 15.5 115 15.8 16.4 16.8 Volume flow (M’/5X10’) 0.027 0.035 0.019 0.022 0 .. 026 unit stroke volume A hit Cooling capacity (KT/a+') 370El 2857 5263 4545 31 346 performance coefficient 5.19 4,83 4.8! +4.78 4.88 boiling point BP Kai -41,0-313,4-50,07-49,64-46,91('C ) DP meeting dinner -41,0-313,4-50,63-4E1.32 -44 .. 43 in evaporator Glide ("C) o OO, 61, 62, 4 meals BP = bubble point Toyokai DP = Dew point Table 4 (continued) Refrigerant R-22E-125R-32/E-125 weight 11% 100 100 2 0180 15/85 condenser pressure (bar) 14, 5012, 8016, 3115, 40 evaporator pressure (Bar) 5.70 5.00 6.37 6.03 Discharge temperature (℃) 74.3 49.4 5B, 8 56.4 Return gas temperature (℃) 15.5 115 15.7 16.6 Volume flow (M!/, X102) 0.027 0.035 0.0280.030 units stroke volume A hit Cooling capacity (KT/m3) 37oa 2857 351 3333 Performance coefficient 5 .. 19 4.83 k, 87 4.91 boiling point BP meeting -41,0-38,4-4 6,01-44,88('C) DP"*-41,0-313,4-43+4 1 -42.30 in evaporator Glide ('C) o O2, 4z, 1 meeting BP = bubble point Dinner DP = Dew point Table 5 Refrigerant R-22E-125R-32/E-125 weight% 100 100 7 5/25 50150 25/75 Condenser pressure (Bar) 14.50 12J0 22.14 20.31 17.07 Evaporation vessel pressure (Bar) 6.60 5.75 10.09 9.13 7.70 Discharge temperature (℃) 70.4 49.2875.5 67.8 59.3 Return gas temperature (℃) 20.0 20.0 20.3 20.9 21.5 Volume flow (M!/8X102) 0.022 0.026 0.015 0,017 0 .. 020 unit stroke volume A hit Cooling capacity (1 (17m3) 4560 3846 6667 5882 500 0 Performance coefficient 6.60 6.54 6.32 6.29 6.52 Boiling point BP meeting -41,0-38,4-51,07-49,64-46,9i('C) DP Meeting meal -41.0-3E1.4 -50.63 -4J3.32 -44.4 3 in evaporator Glide C℃) OOO, 61132, 9 BP = Bubble Point Membership fee DP = dew point Table 5 (continued) Refrigerant R-22E-125R-32/E-125 weight% 100 100'2 0/80 Yu5185 condenser pressure (bar) L4.50 12.80 16.31 1.5.40 Evaporator pressure (Bar) 6,60 5.75 7; 34 6.97 Discharge temperature (''C) 70.4 49.28 57.6 55.6 Return gas temperature A hit Cooling capacity (KY/w’) 4560 3846 4762 4348 to evaporator I can put it on Glide ('C) o oz, a 2.6 BP = bubble point Prefix DP = dew point International search report PCT/GB 9u02383 Front page continuation (72) Inventor: Morrison, James, David Cheshire, United Kingdom Cdbrew 9.8 Kiyui, Northwich, Moulton, Knitley's Les 12
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9200523.0 | 1992-01-10 | ||
GB929200523A GB9200523D0 (en) | 1992-01-10 | 1992-01-10 | Compositions useful as refrigerants |
PCT/GB1992/002383 WO1993014174A1 (en) | 1992-01-10 | 1992-12-23 | Compositions useful as refrigerants |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07503741A true JPH07503741A (en) | 1995-04-20 |
Family
ID=10708417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5512217A Pending JPH07503741A (en) | 1992-01-10 | 1992-12-23 | Compositions useful as refrigerants |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0620838A1 (en) |
JP (1) | JPH07503741A (en) |
KR (1) | KR940703903A (en) |
AU (1) | AU666510B2 (en) |
BR (1) | BR9207017A (en) |
CA (1) | CA2126187A1 (en) |
GB (1) | GB9200523D0 (en) |
WO (1) | WO1993014174A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9207027A (en) * | 1992-01-10 | 1995-12-05 | Ici Plc | Refrigerant composition heat transfer device and processes to provide cooling and heating |
US5605882A (en) | 1992-05-28 | 1997-02-25 | E. I. Du Pont De Nemours And Company | Azeotrope(like) compositions of pentafluorodimethyl ether and difluoromethane |
GB9414134D0 (en) * | 1994-07-13 | 1994-08-31 | Ici Plc | Refrigerant compositions |
GB9414110D0 (en) * | 1994-07-13 | 1994-08-31 | Ici Plc | Refrigeration compositions |
GB9414133D0 (en) * | 1994-07-13 | 1994-08-31 | Ici Plc | Refrigerant compositions |
GB9414136D0 (en) * | 1994-07-13 | 1994-08-31 | Ici Plc | Refrigerant compositions |
GB9415159D0 (en) * | 1994-07-27 | 1994-09-28 | Ici Plc | Refrigerant compositions |
FR2732242B1 (en) * | 1995-03-28 | 1997-05-23 | Elf Aquitaine | ACTIVE COMPOSITE WITH LAMINATED STRUCTURE AND ITS USE AS A REACTION MEDIUM |
FR2733241B1 (en) * | 1995-04-20 | 1997-05-30 | Atochem Elf Sa | PSEUDO-AZEOTROPIC MIXTURES BASED ON DIFLUOROMETHANE AND PENTAFLUORODIMETHYLETHER, AND THEIR APPLICATIONS AS REFRIGERANTS |
AU7663096A (en) * | 1995-10-18 | 1997-05-07 | Allied-Signal Inc. | Compositions of pentafluoromethyl ether and a hydrocarbon |
IT1293326B1 (en) | 1997-07-11 | 1999-02-16 | Ausimont Spa | REFRIGERANT COMPOSITIONS |
KR100481069B1 (en) * | 2000-01-04 | 2005-04-07 | 다이킨 고교 가부시키가이샤 | Car air conditioner and car with its conditioner |
US7080522B2 (en) | 2000-01-04 | 2006-07-25 | Daikin Industries, Ltd. | Car air conditioner and car with its conditioner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4948526A (en) * | 1989-09-26 | 1990-08-14 | Allied-Signal Inc. | Azeotrope-like compositions of pentafluorodimethyl ether and monochlorodifluoromethane |
US4978467A (en) * | 1989-09-26 | 1990-12-18 | Allied-Signal Inc. | Azeotrope-like compositions of pentafluoroethane and difluoromethane |
BR9207027A (en) * | 1992-01-10 | 1995-12-05 | Ici Plc | Refrigerant composition heat transfer device and processes to provide cooling and heating |
US5605882A (en) * | 1992-05-28 | 1997-02-25 | E. I. Du Pont De Nemours And Company | Azeotrope(like) compositions of pentafluorodimethyl ether and difluoromethane |
-
1992
- 1992-01-10 GB GB929200523A patent/GB9200523D0/en active Pending
- 1992-12-23 WO PCT/GB1992/002383 patent/WO1993014174A1/en not_active Application Discontinuation
- 1992-12-23 KR KR1019940702374A patent/KR940703903A/en not_active Application Discontinuation
- 1992-12-23 CA CA002126187A patent/CA2126187A1/en not_active Abandoned
- 1992-12-23 JP JP5512217A patent/JPH07503741A/en active Pending
- 1992-12-23 BR BR9207017A patent/BR9207017A/en not_active Application Discontinuation
- 1992-12-23 AU AU31688/93A patent/AU666510B2/en not_active Ceased
- 1992-12-23 EP EP93900353A patent/EP0620838A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB9200523D0 (en) | 1992-02-26 |
AU3168893A (en) | 1993-08-03 |
CA2126187A1 (en) | 1993-07-22 |
WO1993014174A1 (en) | 1993-07-22 |
KR940703903A (en) | 1994-12-12 |
AU666510B2 (en) | 1996-02-15 |
EP0620838A1 (en) | 1994-10-26 |
BR9207017A (en) | 1995-12-05 |
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