JPH0489439A - Dichloropentafluoropropane-based azeotropic composition and azeotropy-like composition - Google Patents
Dichloropentafluoropropane-based azeotropic composition and azeotropy-like compositionInfo
- Publication number
- JPH0489439A JPH0489439A JP2201306A JP20130690A JPH0489439A JP H0489439 A JPH0489439 A JP H0489439A JP 2201306 A JP2201306 A JP 2201306A JP 20130690 A JP20130690 A JP 20130690A JP H0489439 A JPH0489439 A JP H0489439A
- Authority
- JP
- Japan
- Prior art keywords
- composition
- dichloromethane
- component
- weight
- dichloro
- 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.)
- Granted
Links
Landscapes
- Manufacturing Of Printed Wiring (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、プリント基板、ＩＣ等の電子部品、精密機械
部品、ガラス基板、セラミック、フィルム等のフラック
ス洗浄や離型剤除去洗浄、油、グリース等の洗浄等に用
いられる新規なジクロロペンタフルオロプロパン系共沸
組成物及び共沸様組成物に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to flux cleaning, mold release agent removal cleaning, oil, The present invention relates to a novel dichloropentafluoropropane-based azeotropic composition and azeotrope-like composition used for cleaning grease and the like.
［従来の技術］
フラックス洗浄や離型剤除去洗浄、油、グリース等の洗
浄には、不燃性、低毒性、安定性に優れる等の特徴を有
する１、１３、２−トリクロロ−１，２，２−）リフル
オロプロパン（以下Ｒ１１３という）とジクロロメタン
との共沸混合溶剤組成物が使用されている。さらに、Ｒ
１１３は金属、プラスチック、エラストマー等の基材を
侵さず、各種の汚れを選択的に溶解する特徴を有するた
め、金属、プラスチック、エラストマー等からなる各種
電子部品を実装したプリント基板のフラックス洗浄等に
は最適であった。[Prior art] 1,13,2-trichloro-1,2, which has characteristics such as nonflammability, low toxicity, and excellent stability, is used for flux cleaning, release agent removal cleaning, oil, grease cleaning, etc. 2-) An azeotropic mixed solvent composition of refluoropropane (hereinafter referred to as R113) and dichloromethane is used. Furthermore, R
113 does not attack base materials such as metals, plastics, and elastomers, and has the characteristic of selectively dissolving various types of dirt, so it is suitable for flux cleaning of printed circuit boards mounted with various electronic components made of metals, plastics, elastomers, etc. was optimal.
［発明が解決しようとする課題］
従来使用されていたＲ１１３は、種々の利点を有するに
もかかわらず、化学的に特に安定なため、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、オゾン層を破壊するとのことから、その使用
規制が実施されることとなった。このため、従来のＲ１
１３に替わり、オゾン層を破壊しに（い代替溶剤の探索
が活発に行なわれている。[Problems to be solved by the invention] Although R113, which has been used in the past, has various advantages, it is particularly chemically stable, so it has a long lifetime in the troposphere (and does not diffuse into the stratosphere). Since the chlorine radicals generated by decomposition by sunlight cause a chain reaction with ozone and destroy the ozone layer, the use of chlorine radicals has been regulated.For this reason, the conventional R1
In place of No. 13, there is active search for alternative solvents that will destroy the ozone layer.
本発明は、従来のＲ１１３が有している優れた特性を満
足しながら代替溶剤として使用できる新規な共沸及び共
沸様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 azeotropic and azeotrope-like composition that can be used as an alternative solvent while satisfying the excellent properties of conventional R113.
［課題を解決するための手段］
本発明は前述の目的を達成すべくなされたものであり、
３．３−ジクロロ−１，１，１，２，２−ペンタフルオ
ロプロパン（Ｒ２２５ｃａｌ又は１３、３−ジクロロ−
１，１，２，２，３−ペンタフルオロプロパン（Ｒ２２
５ｃｂ）とジクロロメタンからなる共沸組成物及び共沸
様組成物を提供するものである。本発明の組成物は共沸
組成を有しており、特に洗浄溶剤として従来のＲ１１３
／ジクロロメタン共沸系と同程度の洗浄力を有するため
、Ｒ１１３／ジクロロメタン共沸系代替として極めて有
用なものである。[Means for Solving the Problems] The present invention has been made to achieve the above-mentioned objects, and
3.3-dichloro-1,1,1,2,2-pentafluoropropane (R225cal or 13,3-dichloro-
1,1,2,2,3-pentafluoropropane (R22
5cb) and dichloromethane. The composition of the present invention has an azeotropic composition, in particular the conventional R113 as a cleaning solvent.
Since it has a cleaning power comparable to that of the R113/dichloromethane azeotrope, it is extremely useful as a substitute for the R113/dichloromethane azeotrope.
更に、リサイクルしても組成の変動がないこと、又従来
のＲ１１３／ジクロロメタン共沸系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, it has the advantage that there is no change in composition even when recycled, and it can be used in the same way as the conventional R113/dichloromethane azeotrope system, and does not require major changes to the conventional technology.
本発明のジクロロペンタフルオロプロパン系組成物にお
いて、Ｒ２２５ｃａとジクロロメタンからなる組成物の
場合の組成は８２２５ｃａ １５〜６０重量％、及びジ
クロロメタン４０〜８５重量％であり、好ましくはＲ２
２５ｃａ ２０〜５０重量％ジクロロメタン５０〜８０
重量％であり、さらに好ましくはＲ２２５ｃａ ３８重
量％及びジクロロメタン６２重量％からなる共沸組成物
である。又、Ｒ２２５ｃｂとジクロロメタンからなる組
成物の場合の組成はＲ２２５ｃｂ １０〜５５重量％、
及びジクロロメタン４５〜９０重量％であり、好ましく
ばＲ２２５ｃｂ １５〜４０重量％ジクロロメタン６０
〜８５重量％であり、さらに好ましくばＲ２２５ｃｂ
２８重量％びジクロロメタン７２重量％からなる共沸組
成物である。In the dichloropentafluoropropane composition of the present invention, in the case of a composition consisting of R225ca and dichloromethane, the composition is 15 to 60% by weight of 8225ca and 40 to 85% by weight of dichloromethane, preferably R2
25ca 20-50% by weight dichloromethane 50-80
% by weight, more preferably an azeotropic composition consisting of 38% by weight of R225ca and 62% by weight of dichloromethane. In addition, in the case of a composition consisting of R225cb and dichloromethane, the composition is R225cb 10 to 55% by weight,
and dichloromethane 45 to 90% by weight, preferably R225cb 15 to 40% by weight dichloromethane 60
~85% by weight, more preferably R225cb
It is an azeotropic composition consisting of 28% by weight and 72% by weight of dichloromethane.
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、インペンタン、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、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−ブタノー
ル、ｊ−ブタノール、Ｓ−ブタノール、ｔ−ブタノール
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−ノクロロエチレン、２−ブロモプロパン等のハ
ロゲン化炭化水素類、その他、１，１３、２−トリクロ
ロ−１，２，２−１−リフルオロエタン、１３、１−ジ
クロロ−１−フルオロエタン、１，１３、２−）シクロ
ロー２，２−ジフルオロエタン、１３、１−ジクロロ−
２，２，２−トリフルオロエタン、１３、１−ジクロロ
−１，２，２，３，３ペンタフルオロプロパン、１３、
２−ジクロロ 弓。Other components may be further added to the composition of the present invention depending on the intended use. For example, when used as a solvent, pentane, impentane, hexane, isohexane, neohexane, heptane, isohexane,
Hydrocarbons such as 3,3-dimethylbutane and cyclopentane, nitroalkanes such as nitromethane, nitroethane and nitropropane, amines such as diethylamine, triethylamine, isopropylamine, butylamine and isobutylamine, methanol, ethanol, n-propyl Alcohol, alcohols such as i-propyl alcohol, n-butanol, j-butanol, S-butanol, t-butanol, ethers such as methyl cellosolve, tetrahydrofuran, 1,4-dioxane, acetone,
Ketones such as methyl ethyl ketone and methyl butyl ketone, esters such as ethyl acetate, propyl acetate, butyl acetate, trans-1,2-dichloroethylene, cis-
Halogenated hydrocarbons such as 1,2-nochloroethylene and 2-bromopropane, others, 1,13,2-trichloro-1,2,2-1-lifluoroethane, 13,1-dichloro-1- Fluoroethane, 1,13,2-)cyclo2,2-difluoroethane, 13,1-dichloro-
2,2,2-trifluoroethane, 13,1-dichloro-1,2,2,3,3pentafluoropropane, 13,
2-dichloro bow.
１、３．３．３−ペンタフルオロプロパン、１，１−ジ
クロロ−２，３，３，３−テトラフルオロプロペン−１
、ｔｒａｎｓ−３−クロロ−１，１，１，２，４，４，
５，５，５−ノナフルオロペンテン−２、ｃｉｓ−３−
クロロ −１，１，１，２゜４．４．５，５．５−ノナ
フルオロペンテン−２，１，１１，２，２，５，５，６
，６，６−ゾカフルオロヘキサン等のフッ素化炭化水素
類等を適宜添加することができる。1,3.3.3-pentafluoropropane, 1,1-dichloro-2,3,3,3-tetrafluoropropene-1
, trans-3-chloro-1,1,1,2,4,4,
5,5,5-nonafluoropentene-2, cis-3-
Chloro-1,1,1,2゜4.4.5,5.5-nonafluoropentene-2,1,11,2,2,5,5,6
, 6,6-zocafluorohexane and the like can be added as appropriate.
Ｒ２２５ｃａ又はＲ２２５ｃｂとジクロロメタンからな
る本発明の共沸及び共沸様組成物は、従来のＲ１１３と
同様、各種洗浄溶剤等の用途に使用でき、Ｒ１１３／ジ
クロロメタン共沸系の代替として用いた場合、好適であ
る。溶剤の他、フェノールフオームやウレタンフオーム
等のプラスチックフオーム用発泡剤、プロペラント等と
しても使用し得る。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。The azeotrope and azeotrope-like composition of the present invention consisting of R225ca or R225cb and dichloromethane can be used for various cleaning solvents and the like, similar to conventional R113, and is suitable when used as a substitute for the R113/dichloromethane azeotrope system. It is. In addition to solvents, it can also be used as a blowing agent for plastic foams such as phenol foam and urethane foam, and as a propellant. Specific uses of solvents include removers for flux, grease, oil, wax, ink, etc.
Examples include solvents for paints, extractants, cleaning agents and draining agents for various articles made of glass, ceramics, plastics, rubber, and metals, especially IC parts, electrical equipment, precision instruments, optical lenses, etc. As the cleaning method, hand wiping, dipping, spraying, 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 ｌ
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 composition shown below was placed in a distillation flask and distilled under atmospheric pressure using a rectification column having 20 theoretical plates.
（組成） （重置％）
Ｒ２２５ｃａ （沸点５１３、１”Ｃ）
５０ジクロロメタン（沸点３９．８℃）５０その結果
、３７．６℃において留分５２０ｇ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) (Overlapping %) R225ca (Boiling point 513, 1"C)
50 Dichloromethane (boiling point 39.8°C) 50 As a result, 520 g of a fraction was obtained at 37.6°C. As a result of measuring this product with a gas chromatograph, it had the following composition.
（組成） （重量％）Ｒ２２５ｃａ
３ｇジクロロメタン
６２
実施例 ２
実施例 １の組成物（Ｒ２２５ｃａ／ジクロロメタン＝
３８重量％／６２重量％）を用いてフラックスの洗浄試
験を行なった。(Composition) (Weight%) R225ca
3g dichloromethane
62 Example 2 Composition of Example 1 (R225ca/dichloromethane=
A flux cleaning test was conducted using 38% by weight/62% by weight).
プリント基板全面にフラックス（タムラ製作所製９Ａラ
−ＡＬ−４）を塗布し、２５０℃の電気炉で２分間焼成
後、本発明の前記組成物に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。Flux (9A-AL-4 manufactured by Tamura Manufacturing Co., Ltd.) was applied to the entire surface of the printed circuit board, and after baking in an electric furnace at 250° C. for 2 minutes, it was immersed in the composition of the present invention for 1 minute. the result,
It was confirmed that flux could be removed well.
実施例 ３
実施例１の組成物（Ｒ２２５ｃａ／ジクロロメタン＝３
８重量％／６２重量％）についてタグ式測定法（ＪＩＳ
−に２２６５ ）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 3 Composition of Example 1 (R225ca/dichloromethane=3
8% by weight/62% by weight) using the tag-type measurement method (JIS
-2265), it was confirmed that it had no flash point and was nonflammable.
実施例 ４
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 4 1000 g of a solvent composition having the composition shown below was placed in a distillation flask and distilled under atmospheric pressure using a rectification column with 20 theoretical plates.
（組成） （重量％）Ｒ２２５ｃａ
（沸点５１３、１℃）５０ジクロロメタン（沸点３９．
８℃）５０その結果、４時間後、８時間後、１２時間後
において留分１５０ｇを各々得た。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) (Weight%) R225ca
(boiling point 513, 1°C) 50 dichloromethane (boiling point 39.
As a result, 150 g of fractions were obtained after 4 hours, 8 hours, and 12 hours. As a result of measuring this product with a gas chromatograph, it had the following composition.
（組成） （重量％）４時間後 Ｒ２
２５ｃａ ５０．０ジクロロメタン
５０．０
８時間後 Ｒ２２５ｃａ ４９．９ジク
ロロメタン ５０．１
１２時間後 Ｒ２２５ｃａ ４９．９ジ
クロロメタン ５０．１
実施例 ５
実施例 ４の組成物（Ｒ２２５ｃａ／ジクロロメタン＝
５０重量％１５０重量％）を用いてフラックスの洗浄試
験を行なった。(Composition) (Weight %) After 4 hours R2
25ca 50.0 dichloromethane
50.0 After 8 hours R225ca 49.9 dichloromethane 50.1 After 12 hours R225ca 49.9 dichloromethane 50.1 Example 5 Composition of Example 4 (R225ca/dichloromethane=
A flux cleaning test was conducted using 50% by weight (150% by weight).
プリント基板全面にフラックス（タムラ製作所製９１５
−ＡＬ−４）を塗布し、２５０℃の電気炉で２分間焼成
後、本発明の前記組成物に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。Flux (915 manufactured by Tamura Manufacturing Co., Ltd.) is applied to the entire printed circuit board.
-AL-4) was applied, baked for 2 minutes in an electric furnace at 250°C, and then immersed in the composition of the present invention for 1 minute. the result,
It was confirmed that flux could be removed well.
実施例 ６
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 6 1000 g of a solvent composition having the composition shown below was placed in a distillation flask and distilled under atmospheric pressure using a rectification column with 20 theoretical plates.
（組成） （重量％）Ｒ２２５ｃｂ
（沸点５６．１”Ｃ”） ４０ジクロ
ロメタン（沸点３９．８℃）６０その結果、３８．６℃
において留分３３０ｇ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) R225cb
(Boiling point 56.1"C") 40 Dichloromethane (Boiling point 39.8℃) 60 As a result, 38.6℃
330 g of fraction was obtained. As a result of measuring this product with a gas chromatograph, it had the following composition.
（組成） （重量％）Ｒ２２５ｃｂ
２８ジクロロメタン
７２
実施例 ７
実施例 ６の組成物（Ｒ２２５ｃｂ／ジクロロメタン＝
２８重量％／７２重量％）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、本発明の前記組成物に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。(Composition) (% by weight) R225cb
28 dichloromethane
72 Example 7 Composition of Example 6 (R225cb/dichloromethane=
A flux cleaning test was conducted using 28% by weight/72% by weight). Flux (Tamura AL-4 manufactured by Tamura Manufacturing Co., Ltd.) was applied to the entire surface of the printed circuit board, and after baking in an electric furnace at 200° C. for 2 minutes, it was immersed in the composition of the present invention for 1 minute. As a result, it was confirmed that flux could be removed satisfactorily.
実施例 ８
実施例 ６の組成物（Ｒ２２５ｃｂ／ジクロロメタン＝
２８重量％／７２重量％）についてタグ式測定法
（ＪＩＳ−に２２６５ ）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 8 Composition of Example 6 (R225cb/dichloromethane=
28% by weight/72% by weight) was measured according to the tag method (JIS-2265), and it was confirmed that it had no flash point and was nonflammable.
実施例 ９
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 9 1000 g of a solvent composition having the composition shown below was placed in a distillation flask and distilled under atmospheric pressure using a rectification column with 20 theoretical plates.
（組成） （重量％）Ｒ２２５ｃｂ
（沸点５６．１’ｃ ） ４０ジクロロ
メタン（沸点３９，８℃）６０その結果、４時間後、８
時間後、１２時間後において留分１５０ｇを各々得た。(Composition) (% by weight) R225cb
(boiling point 56.1'c) 40 dichloromethane (boiling point 39.8°C) 60 As a result, after 4 hours, 8
After 12 hours, 150 g of fractions were obtained.
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。As a result of measuring this product with a gas chromatograph, it had the following composition.
（組成）
４時間後 Ｒ２２５ｃｂ
ジクロロメタ
８時間後 Ｒ２２５ｃｂ
ジクロロメタン
１２時間後 Ｒ２２５ｃｂ
ジクロロメタン
（重量％）
３９．９
ン ６０．１
３９．８
６０．２
３９．８
６０．２
実施例 ｌＯ
実施例 ９の組成物（Ｒ２２５ｃｂ／ジクロロメタン＝
４０重量％／６０重量％）を用いてフラックスの洗浄試
験を行なった。(Composition) After 4 hours R225cb Dichloromethane After 8 hours R225cb Dichloromethane After 12 hours R225cb Dichloromethane (wt%) 39.9 60.1 39.8 60.2 39.8 60.2 Example 1O Composition of Example 9 (R225cb/dichloromethane=
A flux cleaning test was conducted using 40% by weight/60% by weight).
プリント基板全面にフラックス（タムラ製作所製りＡラ
−ＡＬ−４）を塗布し、２５０℃の電気炉で２分間焼成
後、本発明の前記組成物に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。Flux (AL-AL-4 manufactured by Tamura Manufacturing Co., Ltd.) was applied to the entire surface of the printed circuit board, and after baking it in an electric furnace at 250° C. for 2 minutes, it was immersed in the composition of the present invention for 1 minute. the result,
It was confirmed that flux could be removed well.
［発明の効果］
本発明のジクロロペンタフルオロプロパン系組成物は、
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、共沸点が存在するため、リサ
イクル時に組成変動がなく、従来のＲ１１３／ジクロロ
メタン共沸系と同じ使い方でき、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。特
に、フラックスや油等の溶解除去性に優れるためＲ１１
３／ジクロロメタン共沸系に替わる洗浄溶剤として好適
である。[Effect of the invention] The dichloropentafluoropropane composition of the present invention has the following properties:
It is nonflammable and has properties that are equal to or better than those of conventional fluorocarbons. In addition, since it has an azeotropic point, there is no compositional change during recycling, and it can be used in the same way as the conventional R113/dichloromethane azeotrope system, and it has the advantage that it can be applied as is without the need for major changes to the conventional technology. In particular, R11 is excellent in dissolving and removing flux, oil, etc.
3/dichloromethane It is suitable as a cleaning solvent in place of the azeotropic system.
Claims (1)
ルオロプロパン３８重量％及びジクロロメタン６２重量
％からなるジクロロペンタフルオロプロパン系共沸組成
物。 ２ ３、３−ジクロロ−１、１、１、２、２−ペンタフ
ルオロプロパン１５〜６０重量％及びジクロロメタン４
０〜８５重量％からなるジクロロペンタフルオロプロパ
ン系共沸様組成物。 ３ １、３−ジクロロ−１、１、２、２、３−ペンタフ
ルオロプロパン２８重量％及びジクロロメタン７２重量
％からなるジクロロペンタフルオロプロパン系共沸組成
物。 ４ １、３−ジクロロ−１、１、２、２、３−ペンタフ
ルオロプロパン１０〜５５重量％及びジクロロメタン４
５〜９０重量％からなるジクロロペンタフルオロプロパ
ン系共沸様組成物。[Scope of Claims] 1. A dichloropentafluoropropane azeotropic composition consisting of 38% by weight of 3,3-dichloro-1,1,1,2,2-pentafluoropropane and 62% by weight of dichloromethane. 2 3,3-dichloro-1,1,1,2,2-pentafluoropropane 15-60% by weight and dichloromethane 4
A dichloropentafluoropropane-based azeotrope-like composition consisting of 0 to 85% by weight. 3 A dichloropentafluoropropane-based azeotropic composition consisting of 28% by weight of 1,3-dichloro-1,1,2,2,3-pentafluoropropane and 72% by weight of dichloromethane. 4 10-55% by weight of 1,3-dichloro-1,1,2,2,3-pentafluoropropane and dichloromethane 4
A dichloropentafluoropropane azeotrope-like composition comprising 5 to 90% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2201306A JP2803340B2 (en) | 1990-07-31 | 1990-07-31 | Dichloropentafluoropropane azeotropic composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2201306A JP2803340B2 (en) | 1990-07-31 | 1990-07-31 | Dichloropentafluoropropane azeotropic composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0489439A true JPH0489439A (en) | 1992-03-23 |
| JP2803340B2 JP2803340B2 (en) | 1998-09-24 |
Family
ID=16438819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2201306A Expired - Lifetime JP2803340B2 (en) | 1990-07-31 | 1990-07-31 | Dichloropentafluoropropane azeotropic composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2803340B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013224383A (en) * | 2012-04-23 | 2013-10-31 | Asahi Glass Co Ltd | Solvent composition for cleaning |
| CN109370530A (en) * | 2012-12-26 | 2019-02-22 | 阿克马法国公司 | The azeotropic of chloromethanes or quasi- Azeotrope compositions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02264983A (en) * | 1989-04-06 | 1990-10-29 | Fujitsu Ltd | Developing device |
| JPH10319811A (en) * | 1997-05-19 | 1998-12-04 | Ricoh Co Ltd | Cleaning equipment |
| JP2007101777A (en) * | 2005-10-03 | 2007-04-19 | Seiko Epson Corp | Image forming apparatus |
| JP2008139418A (en) * | 2006-11-30 | 2008-06-19 | Fuji Xerox Co Ltd | Rotary body cleaning device and image forming apparatus |
| JP2010217537A (en) * | 2009-03-17 | 2010-09-30 | Fuji Xerox Co Ltd | Cleaning device and image forming apparatus |
| JP2014071429A (en) * | 2012-10-01 | 2014-04-21 | Canon Inc | Process cartridge |
-
1990
- 1990-07-31 JP JP2201306A patent/JP2803340B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02264983A (en) * | 1989-04-06 | 1990-10-29 | Fujitsu Ltd | Developing device |
| JPH10319811A (en) * | 1997-05-19 | 1998-12-04 | Ricoh Co Ltd | Cleaning equipment |
| JP2007101777A (en) * | 2005-10-03 | 2007-04-19 | Seiko Epson Corp | Image forming apparatus |
| JP2008139418A (en) * | 2006-11-30 | 2008-06-19 | Fuji Xerox Co Ltd | Rotary body cleaning device and image forming apparatus |
| JP2010217537A (en) * | 2009-03-17 | 2010-09-30 | Fuji Xerox Co Ltd | Cleaning device and image forming apparatus |
| JP2014071429A (en) * | 2012-10-01 | 2014-04-21 | Canon Inc | Process cartridge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013224383A (en) * | 2012-04-23 | 2013-10-31 | Asahi Glass Co Ltd | Solvent composition for cleaning |
| CN109370530A (en) * | 2012-12-26 | 2019-02-22 | 阿克马法国公司 | The azeotropic of chloromethanes or quasi- Azeotrope compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2803340B2 (en) | 1998-09-24 |
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