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JPH02214800A - Solvent composition - Google Patents

Solvent composition

Info

Publication number
JPH02214800A
JPH02214800A JP3365189A JP3365189A JPH02214800A JP H02214800 A JPH02214800 A JP H02214800A JP 3365189 A JP3365189 A JP 3365189A JP 3365189 A JP3365189 A JP 3365189A JP H02214800 A JPH02214800 A JP H02214800A
Authority
JP
Japan
Prior art keywords
hcfc
boiling point
solvent composition
composition
isopentane
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
Application number
JP3365189A
Other languages
Japanese (ja)
Inventor
Michinori Yokozawa
横澤 道則
Nobufumi Otsuka
大塚 宣文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemours Mitsui Fluoroproducts Co Ltd
Original Assignee
Du Pont Mitsui Fluorochemicals Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Du Pont Mitsui Fluorochemicals Co Ltd filed Critical Du Pont Mitsui Fluorochemicals Co Ltd
Priority to JP3365189A priority Critical patent/JPH02214800A/en
Publication of JPH02214800A publication Critical patent/JPH02214800A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50Solvents
    • C11D7/5036Azeotropic mixtures containing halogenated solvents
    • C11D7/5068Mixtures of halogenated and non-halogenated solvents
    • C11D7/5072Mixtures of only hydrocarbons

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Abstract

PURPOSE:To obtain a solvent composition, containing 1,1-dichloro-1-fluoroethane and isopentane at a specific ratio, capable of exhibiting azeotrope (azeotropic) behavior and having moderated action on plastic, rubber, etc. CONSTITUTION:The objective solvent composition, consisting of (A) 30-60wt.% (preferably about 45wt.%) 1,1-dichloro-1-fluoroethane with about 32 deg.C boiling point and (B) 70-40wt.% (preferably about 55wt.%) isopentane with about 30 deg.C boiling point and having preferably about 26.7 deg.C boiling point.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は共沸乃至それに近い挙動を示すフッ素系溶剤組
成物に関するものであり、プリント基板製造時における
フラックス洗浄等に好適に使用される。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a fluorine-based solvent composition exhibiting azeotropic or similar behavior, and is suitably used for flux cleaning, etc. during the manufacture of printed circuit boards.

[従来の技術] フッ素系溶剤は不燃性、低毒性、低腐食性等の利点があ
るために産業界で賞用されて来たが、オゾン層を破壊す
る懸念があるとの問題が鵡こり、従来広く使用されてい
たフロン−11、フロン−12、フロン−113は使用
が規制されることになった。
[Prior Art] Fluorinated solvents have been widely used in industry due to their advantages such as nonflammability, low toxicity, and low corrosivity, but there is often a problem that they may destroy the ozone layer. The use of Freon-11, Freon-12, and Freon-113, which had been widely used in the past, has been restricted.

そこでオゾン層を破壊する恐れのないフッ素系溶剤とし
て1.1−シクロロ−1−フルオロエタンが注目される
ようになった。
Therefore, 1,1-cyclo-1-fluoroethane has attracted attention as a fluorine-based solvent that does not have the risk of destroying the ozone layer.

1.1−シクロロ−1−フルオロエタンは下記の構造式 %式% を有し、フロン−141b或はHCFC−14lbと呼
ばれ、溶剤として適当な沸点を有することから、フロン
113の代替品として期待されているが、油脂溶解力が
強くプラスチックスに対する影響が大きいため使用範囲
が限定される懸念がある。
1.1-Cyclochloro-1-fluoroethane has the following structural formula (%) and is called Freon-141b or HCFC-14lb, and has a boiling point suitable for use as a solvent, so it is used as a substitute for Freon-113. Although it is promising, there are concerns that its range of use will be limited because it has a strong ability to dissolve fats and oils and has a large effect on plastics.

そこで他の溶剤と混合してプラスチックスやゴム等に対
する作用を緩和することが考えられる。
Therefore, it may be possible to mix it with other solvents to reduce its effect on plastics, rubber, etc.

その場合、混合溶剤が共沸乃至それに近い挙動を示す組
成物となっていれば、沸点が低下すると共に、蒸発して
も成分変化がないので溶解力に変化がなく、また、溶剤
の回収・−再使用に好都合である。
In that case, if the mixed solvent is a composition that exhibits azeotropic or similar behavior, the boiling point will be lowered and the components will not change even when evaporated, so there will be no change in the dissolving power. - Convenient for reuse.

[発明が解決しようとする課題] 本発明はそのような共沸またはそれに近い挙動を示す組
成物で、しかもプラスチックスやゴム等に対する作用が
緩和された溶剤組成物を提供することを目的とする。
[Problems to be Solved by the Invention] An object of the present invention is to provide a solvent composition that exhibits such azeotropic or similar behavior, and that has a reduced effect on plastics, rubber, etc. .

[課題を解決するための手段] 本発明の溶剤組成物は30〜60重量%の1゜1−シク
ロロ−1−フルオロエタン及び70〜40重量%のイソ
ペンタンよりなる。
[Means for Solving the Problems] The solvent composition of the present invention consists of 30-60% by weight of 1°1-cyclo-1-fluoroethane and 70-40% by weight of isopentane.

l−シクロロ−1−フルオロエタン(以下HCFC−1
4l bと略して記す)の沸点は32℃前後、イソペン
タンの沸点は30℃前後であるが、上記範囲の組成物の
沸点はインペンタンの沸点より約2℃低下することが認
められ、特に約45重量%のHCFC−141bと約5
5重量%のイソペンタンよりなる溶剤組成物の沸点は約
26.7℃まで低下し、蒸留液及び残液の組成が同一で
l-cyclo-1-fluoroethane (hereinafter referred to as HCFC-1)
The boiling point of isopentane (abbreviated as 4l b) is around 32°C, and the boiling point of isopentane is around 30°C, but it is recognized that the boiling point of the composition in the above range is about 2°C lower than the boiling point of impentane. 45% by weight of HCFC-141b and approx.
The boiling point of a solvent composition consisting of 5% by weight isopentane was reduced to about 26.7°C, with the composition of the distillate and bottom liquid being the same.

明らかに共沸組成物となっている。It is clearly an azeotropic composition.

また上記の組成物は、プラスチックスやゴムに対する作
用がHCFC−141b単独の場合よりも緩和されてい
る。
Furthermore, the above composition has a milder effect on plastics and rubber than HCFC-141b alone.

以下実施例により本発明の詳細な説明する。The present invention will be explained in detail below with reference to Examples.

[実施例1] HCFC−141b (デュポン社製):150g及び
インペンクン(和光純薬■製:試薬特級):150gの
混合物300gを蒸溜フラスコに入れ、理論段数30段
の精溜塔を用9いて蒸溜を行った。その結果26.7℃
で共沸を呈し、その留分をガスクロマトグラフィーによ
り分析したところ組成はHCFC−141b+44.8
重量%、イソペンタン:55−2重量%であった。
[Example 1] 300 g of a mixture of 150 g of HCFC-141b (manufactured by DuPont) and 150 g of Inpenkun (manufactured by Wako Pure Chemical Industries, Ltd.: special grade reagent) was placed in a distillation flask, and the mixture was heated using a rectification column with 30 theoretical plates. Distilled. The result was 26.7℃
When the fraction was analyzed by gas chromatography, the composition was HCFC-141b+44.8.
% by weight, isopentane: 55-2% by weight.

HCFC−14l bとインペンタンとの混合溶剤組成
物の気液平衡曲線を第1図に示す。横軸は混合組成物中
のHC,FC−141bの割合(重量%)、縦軸は混合
溶剤の沸点(”C)を表す。
The vapor-liquid equilibrium curve of a mixed solvent composition of HCFC-14lb and impentane is shown in FIG. The horizontal axis represents the proportion (wt%) of HC and FC-141b in the mixed composition, and the vertical axis represents the boiling point ("C") of the mixed solvent.

第1図かられかるように、この系では気相線と液相線が
接近している部分が幅広いため、HCFC−141bが
30〜60重量%の範囲(矢印で示す)であれば共沸に
近い挙動を示し、液相洗浄及び気相洗浄を行う二槽式洗
浄機においても、そう大きな組成の崩れなしに工業的に
使用できる。
As can be seen from Figure 1, in this system, the region where the gas phase line and liquidus line are close is wide, so if HCFC-141b is in the range of 30 to 60% by weight (indicated by the arrow), the azeotropic It can be used industrially without major compositional deterioration even in a two-tank cleaning machine that performs liquid phase cleaning and gas phase cleaning.

なお、アセトン、1.1−ジクロロエタン、ニトロメタ
ン、trans−1,2−ジクロルエチレン、フロン1
13、l、1.1−トリクロロエタン、n−ヘキサン、
l−クロロプロパン、又はフロン112とHCFC−1
41bの混合組成物について沸点を測定したが、いずれ
も共沸現象を示さなかった。
In addition, acetone, 1,1-dichloroethane, nitromethane, trans-1,2-dichloroethylene, Freon 1
13, l, 1,1-trichloroethane, n-hexane,
l-Chloropropane, or Freon 112 and HCFC-1
The boiling points of the mixed compositions of No. 41b were measured, but none showed an azeotropic phenomenon.

即ちHCFC−141bとの共沸組成物を作るのはイソ
ペンタンに特有の現象である。
That is, forming an azeotropic composition with HCFC-141b is a phenomenon unique to isopentane.

[実施例2] HCFC−141b:45重量%及びインペンタン:5
5重量%よりなる組成物(本発明)、HCFC−141
b単独(比較例)、イソペンタン単独(比較例)につい
て、プラスチックに対する影響を調べた。
[Example 2] HCFC-141b: 45% by weight and impentane: 5
Composition consisting of 5% by weight (invention), HCFC-141
The effects on plastics were investigated for b alone (comparative example) and isopentane alone (comparative example).

100mJ2容量の耐圧ガラス瓶に上記各種溶剤を10
0gづつ入れ、直鎖ポリエチレン、ボリブロヒレン、T
FE樹脂及びポリビニルアルコール樹脂の試験片(l 
OX50X4mm)を入れて温度54℃の恒温室に10
0時間放置後取り出し、寸法変化を測定した。結果を第
1表に示す。
10% of the above various solvents in a pressure-resistant glass bottle with a capacity of 100mJ2
Add 0g each, linear polyethylene, polybrohylene, T
Test pieces of FE resin and polyvinyl alcohol resin (l
OX50
After being left for 0 hours, it was taken out and dimensional changes were measured. The results are shown in Table 1.

第1表 第1表から明らかなように、HCFC−141b:45
重量%及びインペンタン:55重量%よりなる本発明の
溶剤組成物は、HCFC−14lb単独の場合に比べて
樹脂の溶・解性が弱められている。
As is clear from Table 1, HCFC-141b:45
The solvent composition of the present invention, which is composed of 55% by weight of impentane, has weaker resin solubility and solubility than HCFC-14lb alone.

[実施例3] 100mI2容量の耐圧ガラス瓶に、実施例1で用いた
各種溶剤を100gづつ入れ、ウレタンゴム、パイトン
■、ニトリルゴム及びシリコーンゴムの試験片(10X
50X4mm)を入れて温度54℃の恒温室に5分間放
置後取り出して寸法変化を測定した。結果を第2表に示
す。
[Example 3] Put 100 g each of the various solvents used in Example 1 into a pressure-resistant glass bottle with a capacity of 100 mI2, and test pieces (10X
50 x 4 mm) was placed in a thermostatic chamber at a temperature of 54° C. for 5 minutes, and then taken out and dimensional changes were measured. The results are shown in Table 2.

[発明の効果] ■共沸又はそれに近い挙動を示すので、液管理h5容易
である。
[Effects of the Invention] (1) Since it shows azeotropic or similar behavior, liquid management h5 is easy.

■プラスチックやエラストマーに対する作用力5、HC
FC−14l b単独の場合よりも小さl/’。
■Action force on plastics and elastomers 5, HC
FC-14l l/' smaller than that of b alone.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はHCFCニー141b (デュポン社製)とイ
ソペンクン(和光純薬味製:試薬特級)との混合溶剤組
成物の気液平衡曲線で、横軸は混合組成物中のHCFC
−14l bの割合(重量%)、縦軸は混合溶剤の沸点
(’C)を表す。
Figure 1 shows the vapor-liquid equilibrium curve of a mixed solvent composition of HCFC Nee 141b (manufactured by DuPont) and Isopenkune (manufactured by Wako Junyami: Reagent Special Grade), and the horizontal axis is the HCFC in the mixed composition.
-14lb ratio (wt%); the vertical axis represents the boiling point ('C) of the mixed solvent.

Claims (1)

【特許請求の範囲】[Claims] 30〜60重量%の1、1−シクロロ−1−フルオロエ
タン及び70〜40重量%のイソペンタンよりなる溶剤
組成物。
A solvent composition comprising 30-60% by weight of 1,1-cyclo-1-fluoroethane and 70-40% by weight of isopentane.
JP3365189A 1989-02-15 1989-02-15 Solvent composition Pending JPH02214800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3365189A JPH02214800A (en) 1989-02-15 1989-02-15 Solvent composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3365189A JPH02214800A (en) 1989-02-15 1989-02-15 Solvent composition

Publications (1)

Publication Number Publication Date
JPH02214800A true JPH02214800A (en) 1990-08-27

Family

ID=12392351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3365189A Pending JPH02214800A (en) 1989-02-15 1989-02-15 Solvent composition

Country Status (1)

Country Link
JP (1) JPH02214800A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085798A (en) * 1990-09-11 1992-02-04 Allied-Signal Inc. Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, cyclopentane and optionally an alkanol
US5106527A (en) * 1990-04-06 1992-04-21 Mobay Corporation Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams
FR2708935A1 (en) * 1993-06-03 1995-02-17 Lenglen Jean Luc Liquid cleaning product, in particular for manual cleaning operations at room temperature
US5419849A (en) * 1993-06-18 1995-05-30 Fields; Paul B. Cleaning fluids
US5454969A (en) * 1993-06-18 1995-10-03 Fields; Paul B. Cleaning fluids
FR2741354A1 (en) * 1995-11-16 1997-05-23 Atochem Elf Sa New composition comprising 1,1-di-chloro-1-fluoroethane

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106527A (en) * 1990-04-06 1992-04-21 Mobay Corporation Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams
US5085798A (en) * 1990-09-11 1992-02-04 Allied-Signal Inc. Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, cyclopentane and optionally an alkanol
FR2708935A1 (en) * 1993-06-03 1995-02-17 Lenglen Jean Luc Liquid cleaning product, in particular for manual cleaning operations at room temperature
US5419849A (en) * 1993-06-18 1995-05-30 Fields; Paul B. Cleaning fluids
US5454969A (en) * 1993-06-18 1995-10-03 Fields; Paul B. Cleaning fluids
FR2741354A1 (en) * 1995-11-16 1997-05-23 Atochem Elf Sa New composition comprising 1,1-di-chloro-1-fluoroethane

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