JP2780374B2 - Fluorinated hydrocarbon azeotropic compositions - Google Patents
Fluorinated hydrocarbon azeotropic compositionsInfo
- Publication number
- JP2780374B2 JP2780374B2 JP1234605A JP23460589A JP2780374B2 JP 2780374 B2 JP2780374 B2 JP 2780374B2 JP 1234605 A JP1234605 A JP 1234605A JP 23460589 A JP23460589 A JP 23460589A JP 2780374 B2 JP2780374 B2 JP 2780374B2
- Authority
- JP
- Japan
- Prior art keywords
- composition
- fluorinated hydrocarbon
- present
- azeotropic compositions
- hydrocarbon azeotropic
- 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 - Fee Related
Links
Landscapes
- Manufacturing Of Printed Wiring (AREA)
- Extraction Or Liquid Replacement (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paints Or Removers (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
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弗素化炭化水素系共
沸組成物に関するものである。Description: TECHNICAL FIELD The present invention relates to a novel fluorinated hydrocarbon azeotropic composition which can be used as a substitute for chlorofluorocarbon and has excellent properties as a solvent and the like.
［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 chlorofluorocarbon)
Since many types of fluorocarbons with low toxicity and chemical stability are available, and various types of fluorocarbons having different standard boiling points are available, these characteristics are utilized to make 1,1,2-trichloro- as a solvent, a foaming agent, a propellant or a refrigerant. 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事から、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。[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, so that the use of these conventional fluorocarbons has been regulated. For this reason,
Instead of these conventional fluorocarbons, the search for alternative fluorocarbons that are less likely to destroy the ozone layer is being actively conducted.
本発明は、従来のフロンの使用量を低減し、かつ該フ
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 novel CFC composition which can be used as an alternative CFC while reducing the amount of conventional CFC used and satisfying the excellent characteristics of the CFC. .
［課題を解決するための手段］ 本発明は、1,3−ジクロロ−1,2,2,3,3−ペンタフルオ
ロプロパン（R225cb）93.3重量％、及びメタノール6.7
重量％とからなる弗素化炭化水素系共沸組成物である。[Means for Solving the Problems] The present invention provides 93.3% by weight of 1,3-dichloro-1,2,2,3,3-pentafluoropropane (R225cb) and 6.7% by weight of methanol.
% By weight of the fluorinated hydrocarbon azeotropic composition.
本発明の共沸組成物は、特に洗浄溶剤として従来のR1
13よりも洗浄力が大きいため、R113代替としてきわめて
有用なものである。The azeotropic composition of the present invention, especially as a cleaning solvent, the conventional R1
Since it has greater detergency than 13, it is very useful as a substitute for R113.
更に、リサイクルしても組成変動が少ないこと、また
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を有している。Furthermore, there are advantages that the composition fluctuation is small even when recycled, and that the same usage as that of the conventional single fluorocarbon can be performed, and that a significant change of the conventional technology is not required.
本共沸組成物の共沸組成比は、混合するR225cb,およ
びメタノールの純度や測定誤差等の影響により±0.5重
量％程度変動しうるものである。The azeotropic composition ratio of the present azeotropic composition can fluctuate by about ± 0.5% by weight due to the influence of purity and measurement error of R225cb and methanol to be mixed.
本発明の共沸組成物には、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、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、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、ジクロロメタン、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、1,1−ジクロロ−2,2,3,3,
3−テトラフルオロプロパン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。Other components can be further added to and mixed with the azeotropic composition of the present invention depending on the use. For example, in the use as a solvent, pentane, isopentane, hexane, isohexane, neohexane, heptane, isoheptane, 2,3-dimethylbutane, hydrocarbons such as cyclopentane, nitromethane, nitroethane, nitroalkanes such as nitropropane Amines such as, diethylamine, triethylamine, isopropylamine, butylamine, isobutylamine, ethanol, n-propyl alcohol, i-propyl alcohol, n-butyl alcohol, i-butyl alcohol, s-butyl alcohol, t-butyl alcohol, etc. Alcohols, ethers such as methyl cellosolve, tetrahydrofuran, and 1,4-dioxane; ketones such as acetone, methyl ethyl ketone and methyl butyl ketone; esters such as ethyl acetate, propyl acetate and butyl acetate; Rorometan, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, halogenated hydrocarbons such as 2-bromopropane, other, 1,1-dichloro -
2,2,2-trifluoroethane, 1,1-dichloro-2,2,3,3,
Freons other than the present invention, such as 3-tetrafluoropropane, can be appropriately added.
本発明の弗素化炭化水素系共沸組成物は、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-based azeotropic composition of the present invention can be used for various uses such as a heating medium and a foaming agent, like the conventional chlorofluorocarbons. It is suitable.
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
属製各種部品、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あげることができる。
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。Specific uses of solvents include flux, grease, oil, wax, remover for ink, solvent for paint, extractant, glass, ceramics, plastic, rubber, various metal parts, especially IC parts, electrical equipment, Examples include cleaning agents and draining agents for precision instruments and optical lenses.
As a cleaning method, hand wiping, dipping, spraying, rocking, 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組成物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 composition 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％） Ｒ 225cb （沸点56.1℃） 95 メタノール（沸点64.5℃） ５ その結果、47.2℃において留分200g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) R 225cb (boiling point 56.1 ° C) 95 methanol (boiling point 64.5 ° C) 5 As a result, 200 g of a fraction was obtained at 47.2 ° C. This was measured by gas chromatography to find that it had the following composition.
（組成） （重量％） Ｒ 225cb （沸点56.1℃） 93.3 メタノール（沸点64.5℃） 6.7 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１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。本発明の組成物
の混合比及びフラックスの除去の度合を第１表に示す。(Composition) (% by weight) R 225cb (boiling point: 56.1 ° C.) 93.3 Methanol (boiling point: 64.5 ° C.) 6.7 Example 2 A cleaning test of a flux was performed using the composition of the present invention. Flux (Tamura AL-4,
(Manufactured by Tamura Seisakusho), and baked in an electric furnace at 200 ° C. for 2 minutes, and immersed in the composition of the present invention for 1 minute. As a comparative example
A similar test was performed for R113. Table 1 shows the mixing ratio of the composition of the present invention and the degree of flux removal.
実施例３ 第２表に示す本発明の組成物を用いて機械油の洗浄試
験を行なった。 Example 3 A cleaning test of a machine oil was performed using the composition of the present invention shown in Table 2.
SUS304のテストピース（25mm×30mm×2mm厚）を機械
油（CQ−30,日本石油（株）製）中に浸漬した後、本発
明の前記組成物中に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。機械油の除去の度合
を第２表に示す。A test piece (25 mm × 30 mm × 2 mm thick) of SUS304 was immersed in machine oil (CQ-30, manufactured by Nippon Oil Co., Ltd.) and then immersed in the composition of the present invention for 5 minutes. R113 as a comparative example
A similar test was also performed for. Table 2 shows the degree of removal of the machine oil.
［発明の効果］ 本発明の弗素化炭化水素系共沸組成物は、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、リサイクルしても組成変動が
小さいため、従来の単一フロンと同等の使い方ができ、
従来技術の大幅な変更を要しない等の利点がある。ま
た、溶剤としてよく使われているR113よりもフラックス
や油等の溶解除去性に優れるためR113に替わる洗浄溶剤
として最適である。 [Effect of the Invention] The fluorinated hydrocarbon-based azeotropic composition of the present invention can be used as a substitute for chlorofluorocarbon while satisfying the excellent characteristics of conventional chlorofluorocarbons, and the composition fluctuation is small even when recycled. , Can be used in the same way as conventional single freon,
There are advantages such as not requiring a significant change in the prior art. In addition, it is more suitable as a cleaning solvent instead of R113 because it has better dissolution and removal properties of flux, oil and the like than R113 which is often used as a solvent.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ２３Ｇ 5/028 Ｃ２３Ｇ 5/028 5/032 5/032 Ｈ０５Ｋ 3/26 Ｈ０５Ｋ 3/26 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI C23G 5/028 C23G 5/028 5/032 5/032 H05K 3/26 H05K 3/26
Claims (1)
ロプロパン93.3重量％、及びメタノール6.7重量％から
なる弗素化炭化水素系共沸組成物。1. A fluorinated hydrocarbon azeotropic composition comprising 93.3% by weight of 1,3-dichloro-1,2,2,3,3-pentafluoropropane and 6.7% by weight of methanol.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1234605A JP2780374B2 (en) | 1989-09-12 | 1989-09-12 | Fluorinated hydrocarbon azeotropic compositions |
| PCT/JP1990/000119 WO1990008814A1 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| ES90102015T ES2083978T3 (en) | 1989-02-01 | 1990-02-01 | AZEOTROPIC MIXTURE OR SIMILAR TO AN AZEOTROPIC MIXTURE BASED ON HYDROGENATED, CHLORINATED AND FLUORATED HYDROCARBONS. |
| AU50345/90A AU623748B2 (en) | 1989-02-01 | 1990-02-01 | Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| KR1019900702196A KR970002043B1 (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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1234605A JP2780374B2 (en) | 1989-09-12 | 1989-09-12 | Fluorinated hydrocarbon azeotropic compositions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0399030A JPH0399030A (en) | 1991-04-24 |
| JP2780374B2 true JP2780374B2 (en) | 1998-07-30 |
Family
ID=16973655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1234605A Expired - Fee Related JP2780374B2 (en) | 1989-02-01 | 1989-09-12 | Fluorinated hydrocarbon azeotropic compositions |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2780374B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2797610B2 (en) * | 1990-03-06 | 1998-09-17 | 旭硝子株式会社 | Fluorinated chlorinated hydrocarbon-based mixed solvent composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2734624B2 (en) | 1989-04-26 | 1998-04-02 | 旭硝子株式会社 | Fluorinated hydrocarbon-based azeotropic compositions |
-
1989
- 1989-09-12 JP JP1234605A patent/JP2780374B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2734624B2 (en) | 1989-04-26 | 1998-04-02 | 旭硝子株式会社 | Fluorinated hydrocarbon-based azeotropic compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0399030A (en) | 1991-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |