JPH0331222A - Fluorohydrocarbon azeotropic or pseudoazeotropic composition - Google Patents
Fluorohydrocarbon azeotropic or pseudoazeotropic compositionInfo
- Publication number
- JPH0331222A JPH0331222A JP1163826A JP16382689A JPH0331222A JP H0331222 A JPH0331222 A JP H0331222A JP 1163826 A JP1163826 A JP 1163826A JP 16382689 A JP16382689 A JP 16382689A JP H0331222 A JPH0331222 A JP H0331222A
- Authority
- JP
- Japan
- Prior art keywords
- composition
- azeotropic
- solvent
- tetrachloro
- difluoroethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims abstract description 11
- UGCSPKPEHQEOSR-UHFFFAOYSA-N 1,1,2,2-tetrachloro-1,2-difluoroethane Chemical compound FC(Cl)(Cl)C(F)(Cl)Cl UGCSPKPEHQEOSR-UHFFFAOYSA-N 0.000 claims abstract description 6
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims abstract 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 abstract description 11
- 230000004907 flux Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 abstract description 4
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 5
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N 2,2-dimethylbutane Chemical compound CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 2
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical compound CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- -1 cyclobencune Chemical compound 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- JSZOAYXJRCEYSX-UHFFFAOYSA-N 1-nitropropane Chemical compound CCC[N+]([O-])=O JSZOAYXJRCEYSX-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- NAMYKGVDVNBCFQ-UHFFFAOYSA-N 2-bromopropane Chemical compound CC(C)Br NAMYKGVDVNBCFQ-UHFFFAOYSA-N 0.000 description 1
- JHUUPUMBZGWODW-UHFFFAOYSA-N 3,6-dihydro-1,2-dioxine Chemical compound C1OOCC=C1 JHUUPUMBZGWODW-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- KFUSEUYYWQURPO-UPHRSURJSA-N cis-1,2-dichloroethene Chemical group Cl\C=C/Cl KFUSEUYYWQURPO-UPHRSURJSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000002529 flux (metallurgy) Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- 125000004971 nitroalkyl group Chemical group 0.000 description 1
- MCSAJNNLRCFZED-UHFFFAOYSA-N nitroethane Chemical compound CC[N+]([O-])=O MCSAJNNLRCFZED-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000013020 steam cleaning Methods 0.000 description 1
- 239000005437 stratosphere Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- KFUSEUYYWQURPO-OWOJBTEDSA-N trans-1,2-dichloroethene Chemical group Cl\C=C\Cl KFUSEUYYWQURPO-OWOJBTEDSA-N 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 239000005436 troposphere Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野Ｊ
本発明は、代替フロンとして使用できるとともに溶剤等
として優れた特性を有する新規な弗素化炭化水素系共沸
及び擬共沸組成物に関するものである。[Detailed Description of the Invention] [Industrial Application Field J] The present invention relates to a novel fluorinated hydrocarbon azeotropic and near-azeotropic composition that can be used as a CFC substitute and has excellent properties as a solvent, etc. be.
［従来の技術］
弗素化炭化水素系化合物（以下単にフロンという）は、
毒性が少なく化学的に安定なものが多く、標準沸点の異
なる各種フロンが入手できることから、これらの特性を
活かして溶剤、発泡剤、プロペラントあるいは冷媒等と
して１、１．２−トリクロロ−１，２，２−トリフルオ
ロエタン（Ｒ１１３）が、発泡剤としてトリクロロモノ
フルオロメタン（Ｒ１１）が、プロペラントや冷媒とし
てジクロロジフルオロメタン（Ｒ１２）が使われている
。[Prior art] Fluorinated hydrocarbon compounds (hereinafter simply referred to as fluorocarbons) are
Many of them are less toxic and chemically stable, and various types of fluorocarbons with different standard boiling points are available.Using these properties, 1,1,2-trichloro-1, 2,2-trifluoroethane (R113) is used, trichloromonofluoromethane (R11) is used as a blowing agent, and dichlorodifluoromethane (R12) is used as a propellant or refrigerant.
［発明が解決しようとする課題］
化学的に特に安定なＲ１１、Ｒ１２、Ｒ１１３は対流圏
内での寿命が長（、拡散して成層圏に達し、ここで太陽
光線により分解して発生する塩素ラジカルがオゾンと連
鎖反応を起こし、オゾン贋を破壊するとのことから、こ
れら従来の）ロンの使用規制が実施されることとなった
。このため、これらの従来のフロンに代わり、オゾン層
を破壊しにくい代替フロンの探索が活発に行なわれてい
る。[Problem to be solved by the invention] R11, R12, and R113, which are particularly stable chemically, have a long life in the troposphere (they diffuse and reach the stratosphere, where they are decomposed by sunlight and generated chlorine radicals. Since it is said that it causes a chain reaction with ozone and destroys ozone counterfeiting, restrictions on the use of these conventional rons have been implemented. For this reason, the search for alternative fluorocarbons that are less likely to deplete the ozone layer is being actively conducted in place of these conventional fluorocarbons.
本発明は、従来のフロンの使用量を低減し、且つ該フロ
ンが有している優れた特性を満足しながら代替フロンと
して使用できる新規なフロン組成物を提供することを目
的とするものである。An object of the present invention is to provide a new fluorocarbon composition that can be used as a fluorocarbon substitute while reducing the amount of conventional fluorocarbons used and satisfying the excellent properties of the fluorocarbons. .
［課題を解決するための手段］
本発明は、テトラクロロ−１，２−ジフルオロエタン（
Ｒ１１２，沸点９２．８℃）、及びトリクロロエチレン
（沸点８７．２℃）とからなる弗素化炭化水素系共沸及
び擬共沸組成物に関するものである。本発明の組成物は
共沸組成が存在し、特に洗浄溶剤として従来のＲ１１３
単体より洗浄力が高いため、Ｒ１１３代替として極めて
有用なものである。[Means for Solving the Problems] The present invention provides tetrachloro-1,2-difluoroethane (
The present invention relates to fluorinated hydrocarbon azeotropic and near-azeotropic compositions consisting of R112 (boiling point: 92.8°C) and trichlorethylene (boiling point: 87.2°C). The composition of the present invention has an azeotropic composition, and in particular, as a cleaning solvent, conventional R113
Since it has higher detergency than that of a single substance, it is extremely useful as a substitute for R113.
更に、リサイクルしても組成の変動が少ないこと、又、
従来の単一フロンと同じ使い方ができ、従来技術の大幅
な変更を要しないこと等の利点がある。Furthermore, there is little change in composition even after recycling, and
It has the advantage that it can be used in the same way as conventional single fluorocarbons and does not require major changes to the conventional technology.
本発明の組成物の混合比はＲ１１２が３５〜６０重量％
、及びトリクロロエチレンが４０〜７５重量％の擬共沸
組成であり、好ましくはＲ１１２が４６．１重量％、及
びトリクロロエチレンが５３．９重量％である共沸組成
である。The mixing ratio of the composition of the present invention is 35 to 60% by weight of R112.
, and trichlorethylene in a pseudo-azeotropic composition of 40 to 75% by weight, preferably an azeotropic composition of 46.1% by weight of R112 and 53.9% by weight of trichlorethylene.
本発明の組成物には、用途に応じてその他の成分を更に
添加混合することができる。例えば、溶剤としての用途
においては、ペンタン。Other components may be further added to the composition of the present invention depending on the intended use. For example, pentane in its application as a solvent.
イソペンタン、ヘキサン、イソヘキサン、ネオヘキサン
、ヘプタン、イソへブタン、２．３−ジメチルブタン、
シクロベンクン等の炭化水素類、ニトロメタン、ニトロ
エタン、ニトロプロパン等のニトロアルカン類、ジエチ
ルアミン、トリエチルアミン、イソプロピルアミン、ブ
チルアミン、イソブチルアミン等のアミン類、メタノー
ル、エタノール、ｎ−プロピルアルコール、ｉ−プロピ
ルアルコール、ｎ−ブチルアルコール、ｉ−ブチルアル
コール、Ｓ−ブチルアルコール、ｔ−ブチルアルコール
等のアルコール類、メチルセロソルブ、テトラヒドロフ
ラン、■、４−ジオキサン等のエーテル類、アセトン、
メチルエチルケトン、メチルブチルケトン等のケトン類
、酢酸エチル、酢酸プロピル、酢酸ブチル等のエステル
類、ジクロロメタン。Isopentane, hexane, isohexane, neohexane, heptane, isohexane, 2,3-dimethylbutane,
Hydrocarbons such as cyclobencune, nitroalkanes such as nitromethane, nitroethane, nitropropane, amines such as diethylamine, triethylamine, isopropylamine, butylamine, isobutylamine, methanol, ethanol, n-propyl alcohol, i-propyl alcohol, n -Alcohols such as butyl alcohol, i-butyl alcohol, S-butyl alcohol, t-butyl alcohol, ethers such as methyl cellosolve, tetrahydrofuran, 4-dioxane, acetone,
Ketones such as methyl ethyl ketone and methyl butyl ketone, esters such as ethyl acetate, propyl acetate, butyl acetate, and dichloromethane.
ｔｒａｎｓ−１，２−ジクロロエチレン、 ｃｉｓ−１
，２−ジクロロエチレン、２−ブロモプロパン等のハロ
ゲン化炭化水素類、その他、１．１−ジクロロ−２，２
，２−）リフルオロエタン（Ｒ１２３）等の本発明以外
のフロン類等を適宜添加することができる。trans-1,2-dichloroethylene, cis-1
, 2-dichloroethylene, halogenated hydrocarbons such as 2-bromopropane, others, 1,1-dichloro-2,2
, 2-) Fluorocarbons other than those of the present invention, such as refluoroethane (R123), can be added as appropriate.
本発明の弗素化炭化水素系共沸及び擬共沸組成物は、従
来のフロンと同様、熱媒体や発泡剤等の各種用途に使用
でき、特に溶剤として用いた場合、従来のＲ１１３より
高い溶解力を有するため好適である。The fluorinated hydrocarbon azeotropic and near-azeotropic compositions of the present invention can be used in various applications such as heat carriers and blowing agents, similar to conventional fluorocarbons, and particularly when used as a solvent, have a higher solubility than conventional R113. It is suitable because it has power.
溶剤の具体的な用途としては、フラックス。A specific use of the solvent is flux.
グリース、油、ワックス、インキ等の除去剤。Remover for grease, oil, wax, ink, etc.
塗料用溶剤、抽出剤、ガラス、セラミックス。Paint solvents, extractants, glass, and ceramics.
プラスチック、ゴム、金属製各種物品、特にＩＣ部品、
電気機器、精密機械、光学レンズ等の洗浄剤や水切り剤
等を挙げることができる。Various products made of plastic, rubber, and metal, especially IC parts,
Examples include cleaning agents and draining agents for electrical equipment, precision machinery, optical lenses, etc.
洗浄方法としては、手拭き、浸漬、スプレー揺動、超音
波洗浄、蒸気洗浄等を採用すればよい。As a cleaning method, hand wiping, dipping, spray shaking, ultrasonic cleaning, steam cleaning, etc. may be employed.
［実施例］ 以下に本発明の実施例を示す。[Example] Examples of the present invention are shown below.
実施例１
下記の組成からなる溶剤混合物１０００ ｇを蒸留フラ
スコに入れ、理論段数２０段の精留塔を用い大気圧下で
蒸留を行なった。Example 1 1000 g of a solvent mixture having the following composition was placed in a distillation flask and distilled under atmospheric pressure using a rectification column with 20 theoretical plates.
（組成） （重量％）Ｒ１１２４５
トリクロロエチレン ５５
その結果、留出温度８１．６℃にて２００ｇの留分を得
た。このものをガスクロマトグラフで測定した結果、次
の組成であった。(Composition) (% by weight) R11245 Trichlorethylene 55 As a result, 200 g of a fraction was obtained at a distillation temperature of 81.6°C. As a result of measuring this product with a gas chromatograph, it had the following composition.
（組成） （重量％）Ｒ１１２４６
，１
トリクロロエチレン ５３．９実施例２
本発明の組成物を用いてフラックスの洗浄試験を行なっ
た。プリント基板全面にフラックス（タムラＡＬ−４．
タムラ製作所製）を塗布し、２００℃の電気炉で２分間
焼成後、本発明の組成物に５分間浸漬した。比較例とし
てＲ１１３についても同様の試験を行なった。(Composition) (wt%) R11246
, 1 Trichlorethylene 53.9 Example 2 A flux cleaning test was conducted using the composition of the present invention. Flux (Tamura AL-4.
Tamura Manufacturing Co., Ltd.) was applied, baked for 2 minutes in an electric furnace at 200°C, and then immersed in the composition of the present invention for 5 minutes. A similar test was also conducted for R113 as a comparative example.
本発明の組成物の混合比及びフラックスの除去の度合い
を第１表に示す。Table 1 shows the mixing ratio of the composition of the present invention and the degree of flux removal.
第１表 実施例３ 本発明の組成物を用いて機械油の洗浄試験を行なった。Table 1 Example 3 A machine oil cleaning test was conducted using the composition of the present invention.
５ＵＳ−３０４のテストピース（２５ｍｍＸ ３０ｍｍ
Ｘ ２ｍｍ厚）を機械油（ＣＱ−３０，日本石油■製）
中に浸漬した後、本発明の組成物中に５分間浸漬した。5US-304 test piece (25mm x 30mm
x 2mm thick) with machine oil (CQ-30, manufactured by Nippon Oil)
After immersion, the sample was immersed in the composition of the present invention for 5 minutes.
比較例としてＲ１１３についても同様の試験を行なった
。A similar test was also conducted for R113 as a comparative example.
本発明の組成物の混合比及び機械油の除去の度合いを第
２表に示す。The mixing ratio of the composition of the present invention and the degree of removal of machine oil are shown in Table 2.
第２表
Ｏ：良好に除去できる Ｏ：はぼ良好Δ：微量残存
×：かなり残存０：良好に除去できる
Δ：微量残存
○：はぼ良好
×：かなり残存
［発明の効果］
本発明の弗素化炭化水素系共沸及び擬共沸組成物は、従
来のフロンが有している優れた特性を満足しながら、代
替フロンとして使用できるとともに、従来のフロンと同
様の使い方ができるため、従来技術の大幅な変更を要し
ない等の利点がある。又、溶剤としてよく使われている
Ｒ １１３よりもフラックスや油等の溶解除去性に優れ
るためＲ１１３に代わる洗浄溶剤として最適である。Table 2 O: Can be removed well O: Good removal Δ: Trace amount remaining
×: Significant amount remaining 0: Good removal Δ: Trace amount remaining ○: Very good ×: Significant amount remaining It can be used as a substitute for chlorofluorocarbons while satisfying its excellent characteristics, and can be used in the same way as conventional fluorocarbons, so it has the advantage of not requiring major changes in conventional technology. In addition, it has better ability to dissolve and remove fluxes and oils than R113, which is often used as a solvent, so it is most suitable as a cleaning solvent in place of R113.
Claims (4)
クロロエチレンからなる弗素化炭化水素系共沸組成物。(1) A fluorinated hydrocarbon azeotropic composition consisting of tetrachloro-1,2-difluoroethane and trichloroethylene.
１重量％，及びトリクロロエチレン５３．９重量％から
なる請求項１に記載の組成物。(2) Tetrachloro-1,2-difluoroethane46.
1% by weight, and 53.9% by weight of trichlorethylene.
クロロエチレンからなる弗素化炭化水素系擬共沸組成物
。(3) A fluorinated hydrocarbon-based pseudoazeotropic composition consisting of tetrachloro-1,2-difluoroethane and trichloroethylene.
６０重量％，及びトリクロロエチレン４０〜７５重量％
からなる請求項３、に記載の組成物。(4) Tetrachloro-1,2-difluoroethane 35~
60% by weight, and 40-75% by weight of trichlorethylene
4. The composition according to claim 3, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1163826A JPH0331222A (en) | 1989-06-28 | 1989-06-28 | Fluorohydrocarbon azeotropic or pseudoazeotropic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1163826A JPH0331222A (en) | 1989-06-28 | 1989-06-28 | Fluorohydrocarbon azeotropic or pseudoazeotropic composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0331222A true JPH0331222A (en) | 1991-02-12 |
Family
ID=15781476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1163826A Pending JPH0331222A (en) | 1989-06-28 | 1989-06-28 | Fluorohydrocarbon azeotropic or pseudoazeotropic composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464882A (en) * | 1991-04-11 | 1995-11-07 | Ausimont S.P.A. | Method for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates |
-
1989
- 1989-06-28 JP JP1163826A patent/JPH0331222A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5464882A (en) * | 1991-04-11 | 1995-11-07 | Ausimont S.P.A. | Method for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates |
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