JPS61103843A - Method of stabilizing solvent - Google Patents
Method of stabilizing solventInfo
- Publication number
- JPS61103843A JPS61103843A JP22300084A JP22300084A JPS61103843A JP S61103843 A JPS61103843 A JP S61103843A JP 22300084 A JP22300084 A JP 22300084A JP 22300084 A JP22300084 A JP 22300084A JP S61103843 A JPS61103843 A JP S61103843A
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- dichlorofluoroethane
- blended
- benzotriazole
- freon
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
- C23G5/02809—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons containing chlorine and fluorine
- C23G5/02825—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons containing chlorine and fluorine containing hydrogen
- C23G5/02829—Ethanes
- C23G5/02832—C2H3Cl2F
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、１．２−ジクロロフルオロ系溶剤の安定化方
法に関する。更に詳しくは１．２−ジクロロフルオロエ
タン（以下、フロン１４１ ト称ｆル）およヒ１．２−
ジクロロフルオロエタンを主成分とする混合溶剤（以下
、７０ン１４１混合溶剤と称する）を意味するフロン１
４１系溶剤の分解を抑止し、金属材料の腐蝕を防止する
方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for stabilizing 1,2-dichlorofluoro solvents. More specifically, 1,2-dichlorofluoroethane (hereinafter referred to as Freon 141) and 1,2-
Freon 1 means a mixed solvent containing dichlorofluoroethane as the main component (hereinafter referred to as 70-141 mixed solvent)
The present invention relates to a method for suppressing the decomposition of 41-series solvents and preventing corrosion of metal materials.
本発明の７０ン１４１混合溶剤とは７０ン１４１の溶解
性等を改善する目的で、フロン１４１の溶剤特性を著し
く変えない範囲において、種々の有機溶剤をフロン１４
１に混合したものである。What is the 70-141 mixed solvent of the present invention? For the purpose of improving the solubility of 70-141, various organic solvents are mixed with Freon-14 to the extent that the solvent properties of Freon-141 are not significantly changed.
1.
このような目的で混合できる有機溶剤は、メタノール、
エタノール、インプロパツール、イソブタノール、
ｔｅｒｔ−ブタノール等のアルコール類、アセトン、メ
チルエチルケトン等のケトン類、酢酸メチル、酢酸エチ
ル等のエステル類、塩化メチレン、メチルクロロホルム
等の塩素化炭化水素等である。Organic solvents that can be mixed for this purpose include methanol,
Ethanol, Impropatol, Isobutanol,
These include alcohols such as tert-butanol, ketones such as acetone and methyl ethyl ketone, esters such as methyl acetate and ethyl acetate, and chlorinated hydrocarbons such as methylene chloride and methyl chloroform.
フロン１４１を主成分とする７０ン１４１系溶剤橙は一
般的には不燃性で低毒性であり、またすぐれた溶解能を
有するため、種々の物品の洗浄剤として有用である。た
とえば、シリコーンウェハーやシリコンチップ等の半導
体材料、ＩＣ−？８Ｉ等の半導体類、プリント配線基板
、リレースイッチ、マイクロモーター等の電子・電気機
器類や時計、カメラ、マイクロベアリング、レンズ等の
精密機器類の脱脂洗浄剤として使用できる。70N141 solvent orange, which has Freon 141 as its main component, is generally nonflammable, has low toxicity, and has excellent dissolving ability, so it is useful as a cleaning agent for various articles. For example, semiconductor materials such as silicon wafers and silicon chips, IC-? It can be used as a degreasing agent for semiconductors such as 8I, electronic and electrical equipment such as printed wiring boards, relay switches, and micro motors, as well as precision equipment such as watches, cameras, micro bearings, and lenses.
（従来の技術）
７０ン１４１は、弗素原子もしくは水素原子を含まない
従来の塩素系溶剤や弗素系溶剤とは異なった分解挙動を
示し、その安定化には未だ充分確実な方法が知られてい
ない。(Prior art) 70-141 exhibits a decomposition behavior different from conventional chlorine-based solvents and fluorine-based solvents that do not contain fluorine atoms or hydrogen atoms, and a sufficiently reliable method for stabilizing it is not yet known. do not have.
（発明が解決しようとする問題点）
７０ン１４１はメチルクロロホルム、テトラクロルエチ
レン、トリクロルエチレン等Ｏ塩素系溶剤に較べて安定
性が高く、一般の使用条件下では安定化は必ずしも必要
でないが、それでも水分やアルコール類が共存する場合
とか、電子機器や精密機器類の洗浄のように品質要求水
準が高度で厳密である場合には、その安定性が問題とな
ることがある。特に電子・電気機器や精密機器類におい
て多用されている銅、アルミニウム、亜鉛等の金属材料
の存在下での安定性は重要である。もしこれらの金属の
存在下で溶剤の劣化が起るときは。(Problems to be Solved by the Invention) 70-141 is more stable than chlorine-based solvents such as methylchloroform, tetrachlorethylene, and trichlorethylene, and stabilization is not necessarily required under general usage conditions. Even so, stability may become a problem when moisture or alcohol coexists, or when quality requirements are high and strict, such as when cleaning electronic equipment or precision equipment. Stability is especially important in the presence of metal materials such as copper, aluminum, and zinc, which are frequently used in electronic/electrical equipment and precision instruments. If solvent degradation occurs in the presence of these metals.
同時にこれらの金属の腐蝕をひき起すことになり。At the same time, this will cause corrosion of these metals.
被洗物の品質に悪影響、を与える。This will have a negative impact on the quality of the items being washed.
（問題点を解決するための手段）
本発明者等は、フロン１４１系溶剤の安定性を改善しよ
うとして種々検討を重ねた結果、その方法を見出し本発
明に到達した。(Means for Solving the Problems) The present inventors have conducted various studies in an attempt to improve the stability of Freon 141-based solvents, and as a result, they have found a method and arrived at the present invention.
すなわち、本発明はフロン１４１系溶剤にベンゾトリア
ゾールを添加することを特徴とするフロン１４１系溶剤
の安定化方法である。That is, the present invention is a method for stabilizing a Freon 141 solvent, which is characterized by adding benzotriazole to the Freon 141 solvent.
本発明において添加するベンゾ） ＩＪアゾールの量は
通常、溶剤に対し５〜１．Ｇｏｏ重量ｐｐｍであるが、
特にこの範囲に限定されるものでない。一般的にいって
添加量が５重量ｐｐｍより少ないときは本発明の効果が
余り明瞭でなくなり、添加量がｉ、ｏｏｏ重量ｐｐｍよ
り犬きくなるときは液が着色したり、不溶物となって析
出したりする等、該溶剤の特性を損なうことが起り得策
でない。また本発明の作用効果を司書しない限りにおい
て、ニトロメタン等の他の安定剤と併用することは支障
ない。The amount of benzo)IJ azole added in the present invention is usually 5 to 1. Goo weight ppm,
It is not particularly limited to this range. Generally speaking, when the amount added is less than 5 ppm by weight, the effect of the present invention is not so obvious, and when the amount added is more than i, ooo ppm by weight, the liquid may become colored or become insoluble. This is not a good idea as it may cause precipitation or other problems that may impair the properties of the solvent. Further, as long as the effects of the present invention are not affected, there is no problem in using it in combination with other stabilizers such as nitromethane.
（発明の効果）
本発明によって安定化されたフロン１４１系溶剤は亜鉛
、銅、アルミニウム、鋼に対する変色や腐蝕が抑制でき
、またこれら金属材料の存在下においても変質すること
が少ないので、各分野に Ｉおける洗浄剤として幅広く
使用することができる。(Effects of the Invention) The Freon 141-based solvent stabilized by the present invention can suppress discoloration and corrosion of zinc, copper, aluminum, and steel, and is less likely to change in quality even in the presence of these metal materials, so it can be used in various fields. It can be widely used as a cleaning agent in I.
（実施例）
以下に本発明を実施例によって説明するヮなお、実施例
における安定性試験は次の方法に従って行なわれた。(Example) The present invention will be explained below with reference to Examples. In addition, stability tests in Examples were conducted according to the following method.
安定性試験：試料ＳＧ−を容量Ｚｏｏ−のガラスびんに
入れ、これに充分によく磨いた亜鉛、銅。Stability test: Sample SG- was placed in a glass bottle with a capacity of Zoo- and thoroughly polished with zinc and copper.
アルミニウム、軟鋼の各試験片（大きさ８０Ｘ１３Ｘ
２ ｖｍ ） を、液中に漬かるように入れて密閉し
、６０℃で４日間、更に引き続き室温で３日間放置する
。金属片の腐蝕状態を観察し、溶剤の劣化は溶剤中の水
素イオンを等容の水で抽出して、そのｐＨで表わした。Aluminum and mild steel test pieces (size 80X13X
2 vm) was submerged in the solution, sealed, and left at 60°C for 4 days and then at room temperature for 3 days. The corrosion state of the metal pieces was observed, and the deterioration of the solvent was expressed by the pH of the extracted hydrogen ions in the solvent with an equal volume of water.
実施例１
水分５４０重量ｐｐｍを含む７０ン１４１およびこれに
表−１に示す各種溶剤を混合した７０ン１４１混合溶剤
を試料とし、金属試験片として亜鉛を用いて安定性試験
を１行なった。その結果を表−１に示す。Example 1 One stability test was conducted using 70 N 141 containing 540 ppm of water by weight and a 70 N 141 mixed solvent obtained by mixing various solvents shown in Table 1 as samples, and using zinc as a metal test piece. The results are shown in Table-1.
実施例２
金属試験片として銅を用いる以外は実施例１と同じ試験
を行なった。その結果を表−２に示す。Example 2 The same test as in Example 1 was conducted except that copper was used as the metal test piece. The results are shown in Table-2.
実施例３
金属試験片として軟鋼を用いる以外は実施例１と同じ試
験を行なった。その結果を表−３に示す。Example 3 The same test as in Example 1 was conducted except that mild steel was used as the metal test piece. The results are shown in Table-3.
以下余白 表−１ 表−２Below margin Table-1 Table-2
Claims (1)
ゾールを添加することを特徴とする１，２−ジクロロフ
ルオロエタン系溶剤の安定化方法A method for stabilizing a 1,2-dichlorofluoroethane solvent, which comprises adding benzotriazole to a 1,2-dichlorofluoroethane solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22300084A JPS61103843A (en) | 1984-10-25 | 1984-10-25 | Method of stabilizing solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22300084A JPS61103843A (en) | 1984-10-25 | 1984-10-25 | Method of stabilizing solvent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61103843A true JPS61103843A (en) | 1986-05-22 |
| JPH0481969B2 JPH0481969B2 (en) | 1992-12-25 |
Family
ID=16791246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22300084A Granted JPS61103843A (en) | 1984-10-25 | 1984-10-25 | Method of stabilizing solvent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61103843A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5137929A (en) * | 1991-06-21 | 1992-08-11 | Allied-Signal Inc. | Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization |
| US5395859A (en) * | 1991-06-21 | 1995-03-07 | Alliedsignal Inc. | Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization |
| US5840779A (en) * | 1991-08-30 | 1998-11-24 | Alliedsignal Inc. | Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations |
| US8998384B2 (en) | 2011-03-31 | 2015-04-07 | Hewlett-Packard Development Company, L.P. | Circuits and methods using a non-gold corrosion inhibitor |
-
1984
- 1984-10-25 JP JP22300084A patent/JPS61103843A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5137929A (en) * | 1991-06-21 | 1992-08-11 | Allied-Signal Inc. | Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization |
| US5395859A (en) * | 1991-06-21 | 1995-03-07 | Alliedsignal Inc. | Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization |
| US5561171A (en) * | 1991-06-21 | 1996-10-01 | Alliedsignal, Inc. | Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization |
| US5840779A (en) * | 1991-08-30 | 1998-11-24 | Alliedsignal Inc. | Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations |
| US8998384B2 (en) | 2011-03-31 | 2015-04-07 | Hewlett-Packard Development Company, L.P. | Circuits and methods using a non-gold corrosion inhibitor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0481969B2 (en) | 1992-12-25 |
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