JP2692234B2 - Fluorinated hydrocarbon azeotropes and azeotrope-like mixtures - Google Patents
Fluorinated hydrocarbon azeotropes and azeotrope-like mixturesInfo
- Publication number
- JP2692234B2 JP2692234B2 JP1025688A JP2568889A JP2692234B2 JP 2692234 B2 JP2692234 B2 JP 2692234B2 JP 1025688 A JP1025688 A JP 1025688A JP 2568889 A JP2568889 A JP 2568889A JP 2692234 B2 JP2692234 B2 JP 2692234B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- azeotrope
- mixture
- dichloromethane
- fluorinated hydrocarbon
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ 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フッ素化炭化水素系
共沸及び共沸様混合物に関するものである。TECHNICAL FIELD The present invention relates to a novel fluorinated hydrocarbon azeotrope and azeotrope-like mixture which can be used as an alternative CFC and has excellent properties as a solvent and the like. .
［従来の技術］ フッ素化炭化水素系化合物（以下単にフロンという）
は、毒性が少なく不燃で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 chlorofluorocarbon)
Many are non-flammable, non-flammable and chemically stable, and various fluorocarbons with different standard boiling points are available.Taking advantage of these characteristics, 1,1,2- Trichloro-1,2,2-trifluoroethane (R113), trichloromonofluoromethane (R11) as a blowing agent, and dichlorodifluoromethane (R12) as a propellant and a refrigerant are used.
［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
命が長く、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、オゾン層を破壊するとのことから、これら従来
のフ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変わり、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。[Problems to be Solved by the Invention] R11, R12, and R113, which are chemically particularly stable, have a long life in the troposphere and diffuse to reach the stratosphere, where chlorine radicals generated by decomposition by sunlight are converted into ozone. It causes a chain reaction and destroys the ozone layer, and the use of these conventional fluorocarbons has been regulated. For this reason, instead of these conventional CFCs, the search for alternative CFCs that are less likely to destroy the ozone layer is being actively conducted.
本発明は、従来のフロント同等な種々の優れた特性を
有しており代替フロンとして有用な炭素数が３の新規な
含水素クロロフルオロプロパン系フロンを含む組成物を
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 composition containing a novel hydrogen-containing chlorofluoropropane-based CFC having 3 carbon atoms, which has various excellent properties equivalent to those of the conventional front and is useful as an alternative CFC. It is a thing.
［課題を解決するための手段］ 本発明は1,1−ジクロロ−2,2,3,3,3−ペンタフルオロ
プロパン（R225ca）、1,3−ジクロロ−1,1,2,2,3−ペン
タフルオロプロパン（R225cb）、及びジクロロメタンか
らなるフッ素化炭化水素系共沸及び共沸様混合物に関す
るものである。本発明の混合物は不燃性であるとともに
共沸組成が存在し、特に洗浄溶剤としての従来のR113単
体よりも洗浄力が高いため、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 1,1-dichloro-2,2,3,3,3-pentafluoropropane (R225ca), 1,3-dichloro-1,1,2,2,3. A fluorinated hydrocarbon azeotropic and azeotrope-like mixture consisting of pentafluoropropane (R225cb) and dichloromethane. The mixture of the present invention is nonflammable, has an azeotropic composition, and has a higher detergency than conventional R113 alone as a cleaning solvent, and therefore is extremely useful as a substitute for R113.
更に、本発明の共沸混合物はリサイクルしても組成の
変動がないこと及び共沸様混合物は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, the composition of the azeotrope of the present invention does not change even when recycled, and the composition of the azeotrope-like mixture has little fluctuation even when recycled, and it can be used in the same manner as conventional single CFCs. There are advantages such as not requiring a large change in
本発明の混合物としてはR225caが９〜49重量％、R225
cbが８〜39重量％、及びジクロロメタンが38〜70重量％
の共沸様混合物、好ましくは、R225caが20〜30重量％、
R225cbが16〜26重量％、及びジクロロメタンが49〜59重
量％の共沸様混合物であり、さらに好ましくは、R225ca
の約25重量％、R225cbの約21重量％及び、ジクロロメタ
ンの約54重量％からなる共沸混合物である。As the mixture of the present invention, 9 to 49% by weight of R225ca, R225ca
cb is 8 to 39% by weight, and dichloromethane is 38 to 70% by weight
An azeotrope-like mixture, preferably 20 to 30% by weight of R225ca,
An azeotrope-like mixture of 16 to 26% by weight of R225cb and 49 to 59% by weight of dichloromethane, more preferably R225ca.
Of about 25% by weight, about 21% by weight of R225cb and about 54% by weight of dichloromethane.
本発明の混合物には、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、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、イソヘプタン、
2,3−ジメチルブタン、シクロペンタン等の炭化水素
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、1,4−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、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−トリフルオロエタン等のR225ca、R225cb
以外のフロン類等を適宜添加することができる。Other components can be further added to and mixed with the mixture of the present invention depending on the use. For example, in the use as a solvent, pentane, isopentane, hexane, isohexane, neohexane, heptane, isoheptane,
Hydrocarbons such as 2,3-dimethylbutane and cyclopentane, nitroalkanes such as nitromethane, nitroethane and nitropropane, amines such as diethylamine, triethylamine, isopropylamine, butylamine and isobutylamine, methanol, ethanol, n-propyl Alcohols such as alcohol, i-propyl alcohol, n-butyl alcohol, i-butyl alcohol, s-butyl alcohol and t-butyl alcohol, ethers such as methyl cellosolve, tetrahydrofuran and 1,4-dioxane, acetone, methyl ethyl ketone, Ketones such as methyl butyl ketone, esters such as ethyl acetate, propyl acetate and butyl acetate, halogenated hydrocarbons such as trans-1,2-dichloroethylene, cis-1,2-dichloroethylene and 2-bromopropane Other 1,1-dichloro -2,2,2 R225ca such trifluoroethane, R225cb
CFCs other than the above can be appropriately added.
R225ca、R225cb及び、ジクロロメタンからなる本発明
の共沸及び共沸様混合物は、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。溶剤の具体的な用途としては、フラックス、グ
リース、油、ワックス、インキ等の除去剤、塗料用溶
剤、抽出剤、ガラス、セラミックス、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。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。R225ca, R225cb, and the azeotropic and azeotrope-like mixture of the present invention consisting of dichloromethane, like conventional CFCs, can be used in various applications such as heating media and blowing agents, especially when used as a solvent than conventional R113 It is suitable because it has a high dissolving power. Specific applications of the solvent include flux, grease, oil, wax, remover for ink, solvent for paint, extractant, glass, ceramics, plastic, rubber, various metal articles, especially IC parts, electric equipment, Examples of the cleaning agent include a precision machine, a cleaning agent for an optical lens, and a draining agent. Cleaning methods include hand wiping, dipping, spraying,
Oscillation, ultrasonic cleaning, steam cleaning, or the like may be employed.
［実施例］ 以下に本発明の実施例を示す。[Example] An example of the present invention will be described below.
実施例 １ 下記の組成からなる溶剤混合物1000g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 distillation was performed under atmospheric pressure using a rectification column having 20 theoretical plates.
（組成） （重量％） R225ca（沸点51.3℃） 25 R225cb（沸点55.4℃） 21 ジクロロメタン（沸点39.8℃） 54 その結果、留分400g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) (wt%) R225ca (boiling point 51.3 ° C) 25 R225cb (boiling point 55.4 ° C) 21 dichloromethane (boiling point 39.8 ° C) 54 As a result, 400 g of a distillate was obtained. This was measured by gas chromatography to find that it had the following composition.
（組成） （重量％） R225ca 25 R225cb 21 ジクロロメタン 54 実施例 ２ 本発明の混合物（R225ca/R225cb/ジクロロメタン＝25
重量％/21重量％/54重量％）を用いて機械油の洗浄試験
を行なった。(Composition) (% by weight) R225ca 25 R225cb 21 dichloromethane 54 Example 2 Mixture of the present invention (R225ca / R225cb / dichloromethane = 25
(% By weight / 21% by weight / 54% by weight) was used to perform a cleaning test of the mechanical oil.
SUS−304のテストピース（25mm×30mm×2mm厚）を機
械油（日本石油製CQ−30）中に浸漬した後、本発明の前
記混合物に５分間浸漬した。その結果、機械油は、R113
と同様、良好に除去できることが確認された。A test piece (25 mm × 30 mm × 2 mm thick) of SUS-304 was immersed in machine oil (CQ-30 manufactured by Nippon Oil Co., Ltd.), and then immersed in the mixture of the present invention for 5 minutes. As a result, the machine oil
As in the case of, it was confirmed that it could be removed well.
実施例 ３ 実施例２の混合物（R225ca/R225cb/ジクロロメタン＝
25重量％/21重量％/54重量％）を用いてフラックスの洗
浄試験を行なった。Example 3 The mixture of Example 2 (R225ca / R225cb / dichloromethane =
25% by weight / 21% by weight / 54% by weight) was used to conduct a flux cleaning test.
プリント基板全面にフラックス（タムラ製作所製タム
ラ−AL−４）を塗布し、200℃の電気炉で２分間焼成
後、本発明の前記混合物に１分間浸漬した。その結果、
フラックスは良好に除去できることが確認された。A flux (Tamura-AL-4 manufactured by Tamura Seisakusho) was applied to the entire surface of the printed circuit board, baked in an electric furnace at 200 ° C. for 2 minutes, and immersed in the mixture of the present invention for 1 minute. as a result,
It was confirmed that the flux could be removed well.
実施例 ４ 実施例２の混合物（R225ca/R225cb/ジクロロメタン＝
25重量％/21重量％/54重量％）についてタグ式測定法
（JIS−K2265）に従って測定したところ引火点がなく不
燃であることが確認された。Example 4 Mixture of Example 2 (R225ca / R225cb / dichloromethane =
25 wt% / 21 wt% / 54 wt%) was measured according to the tag method (JIS-K2265), and it was confirmed that there was no flash point and it was nonflammable.
［発明の効果］ 本発明のフッ素化炭化水素系混合物は、不燃性で従来
のフロン類が有している優れた特性と同等以上の特性を
有する。又、共沸点が存在する、リサイクル時に組成変
動が少なく、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必要とせず、そのまま適用できる
等の利点がある。[Effect of the Invention] The fluorinated hydrocarbon-based mixture of the present invention is nonflammable and has properties equal to or better than the excellent properties of conventional fluorocarbons. In addition, there is an advantage that an azeotropic point is present, composition fluctuation is small at the time of recycling, the same usage as that of the conventional single fluorocarbon can be performed, and the conventional technology can be applied as it is without requiring a drastic change.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０９Ｋ 5/04 Ｃ０９Ｋ 5/04 Ｃ１１Ｄ 7/30 Ｃ１１Ｄ 7/30 (56)参考文献 特開 平２−207034（ＪＰ，Ａ) 特開 平２−4266（ＪＰ，Ａ)─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C09K 5/04 C09K 5/04 C11D 7/30 C11D 7/30 (56) Reference JP-A-2 -207034 (JP, A) JP-A-2-4266 (JP, A)
Claims (3)
ロプロパン、1,3−ジクロロ−1,1,2,2,3−ペンタフルオ
ロプロパン、及びジクロロメタンからなるフッ素化炭化
水素系共沸混合物。1. Fluorine consisting of 1,1-dichloro-2,2,3,3,3-pentafluoropropane, 1,3-dichloro-1,1,2,2,3-pentafluoropropane and dichloromethane. Chemical hydrocarbon azeotrope.
ロプロパン25重量％、1,3−ジクロロ−1,1,2,2,3−ペン
タフルオロプロパン21重量％、及びジクロロメタン54重
量％からなる請求項１に記載の混合物。2. 1,1-Dichloro-2,2,3,3,3-pentafluoropropane 25% by weight, 1,3-dichloro-1,1,2,2,3-pentafluoropropane 21% by weight And 54% by weight of dichloromethane.
ロプロパン９〜49重量％、1,3−ジクロロ−1,1,2,2,3−
ペンタフルオロプロパン８〜39重量％、及びジクロロメ
タン38〜70重量％からなるフッ素化炭化水素系共沸様混
合物。3. 1,1-Dichloro-2,2,3,3,3-pentafluoropropane 9-49% by weight, 1,3-dichloro-1,1,2,2,3-
A fluorinated hydrocarbon azeotrope-like mixture consisting of 8 to 39% by weight of pentafluoropropane and 38 to 70% by weight of dichloromethane.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1025688A JP2692234B2 (en) | 1989-02-06 | 1989-02-06 | Fluorinated hydrocarbon azeotropes and azeotrope-like mixtures |
| CN 90100578 CN1035729C (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| DK90102015.6T DK0381216T3 (en) | 1989-02-01 | 1990-02-01 | Azeotrope or azeotrope-like chlorofluorocarbon hydride mixture |
| EP90102015A EP0381216B1 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| DE69024378T DE69024378T2 (en) | 1989-02-01 | 1990-02-01 | Azeotropic or azeotrope-like composition based on chlorofluorocarbons |
| ES90102015T ES2083978T3 (en) | 1989-02-01 | 1990-02-01 | AZEOTROPIC MIXTURE OR SIMILAR TO AN AZEOTROPIC MIXTURE BASED ON HYDROGENATED, CHLORINATED AND FLUORATED HYDROCARBONS. |
| KR1019900702196A KR970002043B1 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| AU50345/90A AU623748B2 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| AT90102015T ATE132182T1 (en) | 1989-02-01 | 1990-02-01 | AZEOTROPIC OR AZEOTROP-LIKE COMPOSITION BASED ON CHLOROFLUOROHYDROCARBONS |
| PCT/JP1990/000119 WO1990008814A1 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| US07/942,328 US5607912A (en) | 1989-02-01 | 1992-09-09 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| GR960400809T GR3019425T3 (en) | 1989-02-01 | 1996-03-26 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1025688A JP2692234B2 (en) | 1989-02-06 | 1989-02-06 | Fluorinated hydrocarbon azeotropes and azeotrope-like mixtures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02207050A JPH02207050A (en) | 1990-08-16 |
| JP2692234B2 true JP2692234B2 (en) | 1997-12-17 |
Family
ID=12172730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1025688A Expired - Lifetime JP2692234B2 (en) | 1989-02-01 | 1989-02-06 | Fluorinated hydrocarbon azeotropes and azeotrope-like mixtures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2692234B2 (en) |
-
1989
- 1989-02-06 JP JP1025688A patent/JP2692234B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02207050A (en) | 1990-08-16 |
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