JPH07207472A - Water-soluble corrosion inhibitor - Google Patents
Water-soluble corrosion inhibitorInfo
- Publication number
- JPH07207472A JPH07207472A JP477594A JP477594A JPH07207472A JP H07207472 A JPH07207472 A JP H07207472A JP 477594 A JP477594 A JP 477594A JP 477594 A JP477594 A JP 477594A JP H07207472 A JPH07207472 A JP H07207472A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxyalkylamine
- bearing
- water
- acid
- salt
- 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
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば転がり軸受の製
造工程において製造した外輪，内輪，転動体及び保持器
の各部品の中間防錆に使用する水溶性防錆剤に係り、特
に、水溶性であるにもかかわらず優れた防錆力と酸化安
定性を有し、且つ転がり軸受の振動特性，音響特性等の
諸性能を損なうことのない水溶性防錆剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water-soluble rust preventive agent used for the intermediate rust prevention of outer ring, inner ring, rolling element and cage parts produced in a rolling bearing manufacturing process. The present invention relates to a water-soluble rust preventive agent which has excellent rust preventive power and oxidative stability despite its excellent properties, and which does not impair various performances such as vibration characteristics and acoustic characteristics of rolling bearings.
【０００２】[0002]
【従来の技術】従来、転がり軸受の製造は、個々の構成
部品の加工，加工した部品の組み立て，組み立てた軸受
へのグリース封入等の工程を経て行われており、それら
の加工部品の洗浄と軸受内部の防錆を兼ねて、溶剤希釈
形のＮＰ−３タイプさび止め油や潤滑油形のＮＰ−７〜
９タイプのさび止め油などの油性防錆剤が使用されてき
た。これらの油性防錆剤は一般に、塗布膜の厚さ調整の
ため、ＣＦＣｌ１３や１，１，１−トリクロロエタン等
のハロゲン化炭化水素溶剤で希釈したものが使用され、
塗布後に乾燥して溶剤を蒸発させることによりさび止め
被膜を形成させている。2. Description of the Related Art Conventionally, rolling bearings have been manufactured through the steps of processing individual components, assembling the processed components, and filling the assembled bearings with grease. Solvent-diluted NP-3 type rust preventive oil and lubricating oil type NP-7-
Oil type rust preventives such as 9 types of rust preventive oil have been used. These oil-based rust preventives are generally diluted with a halogenated hydrocarbon solvent such as CFCl13 or 1,1,1-trichloroethane to adjust the thickness of the coating film.
A rust preventive film is formed by drying after application and evaporating the solvent.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、近年、
環境保護の見地からＣＦＣｌ１３や１，１，１−トリク
ロロエタン等のハロゲン化炭化水素溶剤の使用に対する
規制が強化される傾向にあり、これに伴って上記防錆剤
の希釈にハロゲン化炭化水素溶剤を使用することができ
なくなってきている。However, in recent years,
From the standpoint of environmental protection, regulations on the use of halogenated hydrocarbon solvents such as CFCl13 and 1,1,1-trichloroethane tend to be strengthened. Along with this, halogenated hydrocarbon solvents are used to dilute the rust preventive agent. It can no longer be used.
【０００４】このようなハロゲン化炭化水素溶剤の使用
規制は軸受製造にも及んできており、軸受部品の洗浄を
従来の油性防錆剤の代わりに水溶性防錆剤を使用して行
う水系洗浄システムが考えられているが、現在市販され
ている水溶性防錆剤では防錆性が不十分であり、且つ軸
受の音響特性及び振動特性を著しく低下させてしまうと
いう問題点がある。Such restrictions on the use of halogenated hydrocarbon solvents have been extended to the manufacture of bearings, and water-based rust preventive agents are used instead of conventional oil rust preventive agents to clean bearing components. Although a cleaning system has been considered, there are problems that the water-soluble rust preventives currently on the market have insufficient rust preventive properties, and that the acoustic characteristics and vibration characteristics of the bearing are significantly deteriorated.
【０００５】そこで、本発明は、このような従来の問題
点に着目してなされたものであり、防錆性および酸化安
定性に優れると共に、軸受の振動特性や音響特性等の諸
性能を損なうことがない水溶性防錆剤を提供することを
目的としている。Therefore, the present invention has been made by paying attention to such conventional problems, and is excellent in rust prevention and oxidation stability and impairs various performances such as vibration characteristics and acoustic characteristics of the bearing. The object is to provide a water-soluble rust preventive that does not exist.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成する本
発明は、合成スルホン酸のヒドロキシアルキルアミン塩
および脂肪族カルボン酸のヒドロキシアルキルアミン塩
を含むことを特徴とするものである。ここで、前記合成
スルホン酸のヒドロキシアルキルアミン塩５〜８０重量
部に対して、前記脂肪族カルボン酸のヒドロキシアルキ
ルアミン塩を２０〜９５重量部使用するものとすること
ができる。The present invention which achieves the above object is characterized by containing a hydroxyalkylamine salt of a synthetic sulfonic acid and a hydroxyalkylamine salt of an aliphatic carboxylic acid. Here, 20 to 95 parts by weight of the hydroxyalkylamine salt of the aliphatic carboxylic acid may be used with respect to 5 to 80 parts by weight of the hydroxyalkylamine salt of the synthetic sulfonic acid.
【０００７】本発明の水溶性防錆剤に含まれる合成スル
ホン酸のヒドロキシアルキルアミン塩は、石油スルホン
酸等のアミン塩とは区別されるものであり、アルキル芳
香族をスルホン化処理し、これをモノエタノールアミ
ン，ジエタノールアミン，Ｎ−β−アミノエチルエタノ
ールアミン，ジイソプロパノールアミン等のヒドロキシ
アルキルアミン塩にしたものである。当該アルキル芳香
族としてはポリプロペニルベンゼン，ポリドデシルベン
ゼン及びジノニルナフタレンが特に好ましい。The hydroxyalkylamine salt of synthetic sulfonic acid contained in the water-soluble rust preventive agent of the present invention is distinguished from amine salt such as petroleum sulfonic acid. Is a hydroxyalkylamine salt such as monoethanolamine, diethanolamine, N-β-aminoethylethanolamine or diisopropanolamine. As the alkyl aromatic, polypropenylbenzene, polydodecylbenzene and dinonylnaphthalene are particularly preferable.
【０００８】上記合成スルホン酸のヒドロキシアルキル
アミン塩は、本発明の水溶性防錆剤組成物全量に対して
５重量部以上、好ましくは２０重量部以上配合される。
５重量部未満では防錆性が不十分であると共に、使用対
象とされた軸受の音響特性および振動特性も低下する。
本発明の水溶性防錆剤に含まれる脂肪族カルボン酸とし
ては、飽和および不飽和のモノカルボン酸，飽和および
不飽和のポリカルボン酸，これらの混合物である天然油
脂からの脂肪酸等を挙げることができる。The above-mentioned hydroxyalkylamine salt of synthetic sulfonic acid is added in an amount of 5 parts by weight or more, preferably 20 parts by weight or more based on the total amount of the water-soluble rust preventive composition of the present invention.
If the amount is less than 5 parts by weight, the rust resistance is insufficient and the acoustic characteristics and vibration characteristics of the bearing to be used are deteriorated.
Examples of the aliphatic carboxylic acid contained in the water-soluble rust preventive agent of the present invention include saturated and unsaturated monocarboxylic acids, saturated and unsaturated polycarboxylic acids, and fatty acids derived from natural fats and oils which are a mixture thereof. You can
【０００９】飽和モノカルボン酸の具体例は、オクタン
酸，２−エチルヘキサン酸，ノナン酸，デカン酸，ドデ
カン酸，テトラデカン酸，ヘキサデカン酸，オクタデカ
ン酸等である。不飽和モノカルボン酸の具体例は、１０
−ウンデセン酸，Ｃｉｓ−９−オクタデセン酸，Ｃｉｓ
−１１−ドコセン酸等である。Specific examples of the saturated monocarboxylic acid include octanoic acid, 2-ethylhexanoic acid, nonanoic acid, decanoic acid, dodecanoic acid, tetradecanoic acid, hexadecanoic acid and octadecanoic acid. Specific examples of the unsaturated monocarboxylic acid are 10
-Undecenoic acid, Cis-9-octadecenoic acid, Cis
-11-docosenoic acid and the like.
【００１０】飽和ポリカルボン酸の具体例は、ヘキサン
二酸オクタン二酸，ノナン二酸，ドデカン二酸等であ
る。不飽和ポリカルボン酸の具体例は、Ｃｉｓ−９，Ｃ
ｉｓ−１２−オクタデカジエン酸，Ｃｉｓ−９，Ｃｉｓ
−１５−オクタデカトリエン酸等である。天然油脂から
の脂肪酸の具体例は、アマニ油脂肪酸，コメヌカ油脂肪
酸，ナタネ油脂肪酸，ヤシ油脂肪酸，牛脂脂肪酸，イワ
シ油脂肪酸等である。Specific examples of the saturated polycarboxylic acid include hexanedioic acid octanedioic acid, nonanedioic acid and dodecanedioic acid. Specific examples of unsaturated polycarboxylic acids include Cis-9, C
is-12-octadecadienoic acid, Cis-9, Cis
-15-octadecatrienoic acid and the like. Specific examples of fatty acids from natural fats and oils are linseed oil fatty acid, rice bran oil fatty acid, rapeseed oil fatty acid, coconut oil fatty acid, beef tallow fatty acid, sardine oil fatty acid and the like.
【００１１】上記の各種脂肪族カルボン酸のうち炭素数
８〜１８の飽和および不飽和モノカルボン酸の使用が特
に好ましい。また、本発明の水溶性防錆剤に含まれるヒ
ドロキシアルキルアミンとしては、前述のモノエタノー
ルアミン，ジエタノールアミン，Ｎ−β−アミノエチル
エタノールアミン，ジイソプロパノールアミン等を挙げ
ることができるが、これらのヒドロキシアルキルアミン
は前記脂肪族カルボン酸に対して1.2 〜1.8 当量配合す
ることが好ましい。Of the various aliphatic carboxylic acids mentioned above, the use of saturated and unsaturated monocarboxylic acids having 8 to 18 carbon atoms is particularly preferred. Examples of the hydroxyalkylamine contained in the water-soluble rust preventive agent of the present invention include the above-mentioned monoethanolamine, diethanolamine, N-β-aminoethylethanolamine, diisopropanolamine and the like. The alkylamine is preferably added in an amount of 1.2 to 1.8 equivalents with respect to the aliphatic carboxylic acid.
【００１２】本発明の水溶性防錆剤に含まれる脂肪族カ
ルボン酸のヒドロキシアルキルアミン塩は、水溶性防錆
剤組成物全量に対して２０重量部以上、好ましくは４０
重量部以上配合される。２０重量部未満では防錆性が不
十分であると共に、使用対象とされた軸受の音響特性お
よび振動特性も低下する。本発明の水溶性防錆剤には、
酸化安定性を向上させるために２，６−ジ−第三ブチル
−ｐ−クレゾール，ブチルヒドロキシアニソール，α−
ナフチルアミン，ジステアリルチオジプロピオネート等
の酸化防止剤を使用ことができる。The hydroxyalkylamine salt of an aliphatic carboxylic acid contained in the water-soluble rust preventive agent of the present invention is 20 parts by weight or more, preferably 40 parts by weight, based on the total amount of the water-soluble rust preventive composition.
More than part by weight is compounded. If the amount is less than 20 parts by weight, the rust resistance is insufficient and the acoustic characteristics and vibration characteristics of the bearing to be used are deteriorated. The water-soluble rust preventive agent of the present invention,
2,6-di-tert-butyl-p-cresol, butylhydroxyanisole, α-to improve oxidative stability
Antioxidants such as naphthylamine and distearyl thiodipropionate can be used.
【００１３】さらに、本発明の効果を損なわない範囲
で、必要に応じて鉱物油，界面活性剤，酸化防止剤，防
腐剤，防かび剤，非鉄金属防食剤，硬水軟化剤等を添加
することができる。本発明の水溶性防錆剤は、清浄な水
で１〜１０％に希釈して使用できる。Further, mineral oil, surfactants, antioxidants, preservatives, fungicides, non-ferrous metal anticorrosives, water softeners, etc. may be added, if necessary, within a range that does not impair the effects of the present invention. You can The water-soluble rust preventive agent of the present invention can be used by diluting it with clean water to 1 to 10%.
【００１４】[0014]
【作用】本発明者らは、新規な水溶性防錆剤の開発につ
いて研究を重ねた結果、特定のスルホン酸アミン塩とカ
ルボン酸アミン塩とを組み合わせた水溶性組成物が防錆
性に優れ、しかも軸受の諸特性を損なうことがないこと
を実験的に見いだした。The present inventors have conducted extensive research on the development of a novel water-soluble rust preventive agent, and as a result, a water-soluble composition obtained by combining a specific sulfonic acid amine salt and carboxylic acid amine salt has excellent rust preventive properties. Moreover, it was experimentally found that the bearing characteristics are not impaired.
【００１５】[0015]
【実施例】以下、本発明を実施例及び比較例によって具
体的に説明する。 （Ａ）試料の調整：合成スルホン酸のヒドロキシアルキ
ルアミン塩としてジノニルナフタレンスルホン酸トリエ
タノールアミン塩（キング社製、ＮＡ−ＳＵＬ ＴＢＡ
−ＬＢ，商品名）を使用し、これに脂肪族カルボン酸と
して飽和モノカルボン酸および不飽和モノカルボン酸を
添加すると共にヒドロキシアルキルアミンとしてモノエ
タノールアミン，トリエタノールアミン等を添加し、ま
た酸化防止剤として少量の２，６−ジ−第三ブチル−ｐ
−クレゾール（住友化学社製、スミライザーＢＨＴ，商
品名）を添加して表１に示す実施例１〜７の試料を調整
した。EXAMPLES The present invention will be specifically described below with reference to Examples and Comparative Examples. (A) Preparation of sample: dinonylnaphthalenesulfonic acid triethanolamine salt (NA-SUL TBA manufactured by King Co.) as a hydroxyalkylamine salt of synthetic sulfonic acid
-LB, trade name), to which saturated monocarboxylic acids and unsaturated monocarboxylic acids are added as aliphatic carboxylic acids, and monoethanolamine, triethanolamine, etc. are added as hydroxyalkylamines, and antioxidant is also used. A small amount of 2,6-di-tert-butyl-p as an agent
-Cresol (Sumitomo Chemical Co., Ltd., Sumilizer BHT, trade name) was added to prepare the samples of Examples 1 to 7 shown in Table 1.
【００１６】一方、比較のために、上記実施例と同様の
ジノニルナフタレンスルホン酸トリエタノールアミン塩
に酸化防止剤だけを添加したもの、及び合成スルホン酸
のヒドロキシアルキルアミン塩に代わりジノニルナフタ
レンスルホン酸バリウム塩（キング社製、ＮＡ−ＳＵＬ
ＢＳＮ，商品名），石油スルホン酸カルシウム塩（ウ
イトコケミカル製、ブライトンＣ３００，商品名），石
油スルホン酸ナトリウム塩（モルコ社製、Ｍ−７０，商
品名），酸化パラフィン系防錆剤（アロック社製，Ａｌ
ｏｘ２２６８，商品名），鉱物油（粘度，５０ｍｍ2 ／
ｓ，４０℃）等を使用しこれに各種脂肪族カルボン酸お
よびヒドロキシアルキルアミンを添加し又は添加しない
ものを調整して、表２に示す比較例１〜５の試料とし
た。On the other hand, for comparison, the same dinonylnaphthalenesulfonic acid triethanolamine salt as in the above-mentioned Example with only the antioxidant added, and dinonylnaphthalenesulfone instead of the hydroxyalkylamine salt of synthetic sulfonic acid. Acid barium salt (King, NA-SUL
BSN, trade name), petroleum sulfonate calcium salt (manufactured by Witco Chemical, Brighton C300, trade name), sodium petroleum sulfonate salt (manufactured by Morco Co., M-70, trade name), oxidized paraffin anticorrosion agent (Aloc Company, Al
ox2268, trade name), mineral oil (viscosity, 50 mm 2 /
s, 40 ° C.) and the like with or without addition of various aliphatic carboxylic acids and hydroxyalkylamines to prepare samples of Comparative Examples 1 to 5 shown in Table 2.
【００１７】[0017]
【表１】 [Table 1]
【００１８】[0018]
【表２】 上記の各試料毎に以下の性能試験を実施した。 （Ｂ）試験内容： （１）防錆性試験 玉軸受（外径１５ｍｍ）の外輪５個を超音波洗浄器
を用いて１，１，１−トリクロロエタンで２回、その後
温メタノールで１回の順で各５分間洗浄し、室内放置で
乾燥した。[Table 2] The following performance tests were carried out for each of the above samples. (B) Test content: (1) Rust prevention test Five outer rings of ball bearings (outer diameter 15 mm) were washed with 1,1,1-trichloroethane twice using an ultrasonic cleaner, and then warm methanol once. It was washed in that order for 5 minutes each, and left to dry indoors.
【００１９】 表１に示した防錆剤組成物を清浄な水
で２重量％に希釈した溶液中に、玉軸受外輪を１分間浸
漬した。 軸受外輪を浸漬溶液から取り出し、６０℃，１０Ｔ
ｏｒｒ以下の減圧乾燥器で３０秒間乾燥して水分を除去
した。 こうして防錆剤を塗布した軸受外輪をプログラム恒
温恒湿槽に入れて、相対湿度９０％，温度２０℃および
５０℃の条件で各３時間保持するサイクル試験を７日間
行い、さびの発生状況を観察した。The ball bearing outer ring was immersed for 1 minute in a solution prepared by diluting the rust inhibitor composition shown in Table 1 to 2% by weight with clean water. Remove the bearing outer ring from the dipping solution, 60 ℃, 10T
Water was removed by drying for 30 seconds in a vacuum dryer at or or lower. In this way, the bearing outer ring coated with the rust preventive agent is placed in a program constant temperature and humidity chamber, and a cycle test is performed for 7 days under conditions of relative humidity of 90%, temperature of 20 ° C and 50 ° C for 3 days. I observed.
【００２０】評価基準は次の通りである。 ○：さびなし △：１ｍｍ以下の点さびが数点発生 ×：１ｍｍを越えるさびが数点発生 （２）音響試験 玉軸受（内径６ｍｍ，外径１５ｍｍ、シールなし）
を超音波洗浄器を用いて１，１，１−トリクロロエタン
で２回、その後温メタノールで１回の順で各５分間洗浄
し、室内放置して乾燥した。The evaluation criteria are as follows. ◯: No rust △: Several points of rust less than 1 mm occurred ×: Several points of rust exceeding 1 mm occurred (2) Acoustic test Ball bearing (inner diameter 6 mm, outer diameter 15 mm, no seal)
Was washed with 1,1,1-trichloroethane twice using an ultrasonic cleaner and then once with warm methanol for 5 minutes each, and left to dry indoors.
【００２１】 表１に示した防錆剤組成物を清浄な水
で２重量％に希釈した溶液中に、玉軸受を１分間浸漬し
た。 軸受外輪を浸漬溶液から取り出し、６０℃，１０Ｔ
ｏｒｒ以下の減圧乾燥器で３０秒間乾燥して水分を除去
した。 こうして防錆剤を塗布した軸受にエステル−リチウ
ム石けん系グリースを注射器を用いて0.035 ｇ封入し、
グリースノイズ試験機（１８００ｒｐｍ，２分間）で軸
受の音響特性および振動特性を調べた。The ball bearing was immersed in a solution prepared by diluting the rust preventive composition shown in Table 1 to 2% by weight with clean water for 1 minute. Remove the bearing outer ring from the dipping solution, 60 ℃, 10T
Water was removed by drying for 30 seconds in a vacuum dryer at or or lower. In this way, 0.035 g of ester-lithium soap-based grease was filled into the bearing coated with the rust preventive agent using a syringe,
The grease noise tester (1800 rpm, 2 minutes) was used to examine the acoustic and vibration characteristics of the bearing.
【００２２】評価基準は次の通りである。 ○：軸受の音響特性および振動特性を低下させない △：軸受の音響特性および振動特性をやや低下させる ×：軸受の音響特性および振動特性を低下させる （３）酸化劣化試験（軸受固化試験） 本試験はＪＩＳ Ｋ２２５０グリース類酸化安定性試験
に準ずる。The evaluation criteria are as follows. ○: The acoustic and vibration characteristics of the bearing are not deteriorated △: The acoustic and vibration characteristics of the bearing are slightly deteriorated ×: The acoustic and vibration characteristics of the bearing are deteriorated (3) Oxidation deterioration test (bearing solidification test) This test Complies with JIS K2250 greases oxidation stability test.
【００２３】 玉軸受（外径１５ｍｍ、シールなし）
を超音波洗浄器を用いて１，１，１−トリクロロエタン
で２回、その後温メタノールで１回の順で各５分間洗浄
し、室内放置して乾燥した。 表１に示した防錆剤組成物を清浄な水で２重量％に
希釈した溶液中に、玉軸受を１分間浸漬した。Ball bearing (outer diameter 15 mm, no seal)
Was washed with 1,1,1-trichloroethane twice using an ultrasonic cleaner and then once with warm methanol for 5 minutes each, and left to dry indoors. The ball bearing was immersed for 1 minute in a solution prepared by diluting the rust preventive composition shown in Table 1 with clean water to 2% by weight.
【００２４】 軸受外輪を浸漬溶液から取り出し、６
０℃，１０Ｔｏｒｒ以下の減圧乾燥器で３０秒間乾燥し
て水分を除去した。 乾燥した玉軸受を１試料につき３個作り、同一試料
毎に３個の玉軸受を上下３段に重ねてポリエチレンシー
トで包んだ後、包装材の所々に小さな孔を開けた。Remove the bearing outer ring from the immersion solution and
Water was removed by drying in a vacuum dryer at 0 ° C. and 10 Torr or less for 30 seconds. Three dry ball bearings were prepared for each sample, and three ball bearings for each same sample were stacked on top and bottom in three stages and wrapped with a polyethylene sheet, and then small holes were made in places of the packaging material.
【００２５】 この包みをグリース類安定度試験機用
ボンベ（ＪＩＳ Ｋ２２２０）に入れて、酸素封入圧7.
7 ｋｇｆ／ｃｍ2 ，試験温度１００℃，試験時間１９２
時間で酸化試験（軸受固化試験）を行った。 １９２時間経過後ボンベより包みを取り出し、室温
まで放冷してから玉軸受を包みから取り出して防錆被膜
の状態，玉軸受の回転状態（手回し），腐食の状態を観
察した。This package is put in a cylinder for a grease stability tester (JIS K2220), and the oxygen filling pressure is 7.
7 kgf / cm 2 , test temperature 100 ° C., test time 192
Oxidation test (bearing solidification test) was carried out over time. After 192 hours had passed, the package was taken out from the cylinder, allowed to cool to room temperature, and then the ball bearing was taken out from the package, and the state of the rust preventive coating, the state of rotation of the ball bearing (hand rotation), and the state of corrosion were observed.
【００２６】評価基準は次の通りである。 ○：被膜の固化なし、玉軸受回転は円滑、玉軸受腐食な
し ×：被膜固化、玉軸受回転しない、玉軸受腐食あり 以上の試験の結果を表１，２に示す。表１，２から以下
のことが明らかになった。 （ａ）実施例の水溶性防錆剤を塗布したものは、優れた
防錆性と酸化安定性を有すると共に、軸受の音響特性お
よび振動特性も損なわれない。 （ｂ）合成スルホン酸のヒドロキシアルキルアミン塩に
酸化防止剤を添加しただけの比較例１の場合は、防錆性
と軸受の音響特性および振動特性が不十分である。 （ｃ）脂肪族カルボン酸のヒドロキシアルキルアミン塩
のみを用い界面活性剤で水中に分散させた比較例２の場
合は、防錆性が不十分であり、軸受の音響特性および振
動特性と耐酸化劣化性が劣る。 （ｄ）酸化パラフィン系防錆剤と鉱物油の混合物を界面
活性剤で水中に分散させた比較例３は軸受の音響特性お
よび振動特性が劣り、油性防錆剤である比較例４，５は
防錆性，軸受の音響特性および振動特性，耐酸化劣化性
の全ての点で劣っている。The evaluation criteria are as follows. ◯: No solidification of coating, smooth ball bearing rotation, no corrosion of ball bearing ×: Solidification of coating, no rotation of ball bearing, corrosion of ball bearing Tables 1 and 2 show the above test results. The following are clear from Tables 1 and 2. (A) The product coated with the water-soluble rust preventive agent of the example has excellent rust preventive property and oxidative stability, and the acoustic characteristics and vibration characteristics of the bearing are not impaired. (B) In the case of Comparative Example 1 in which the antioxidant was added to the hydroxyalkylamine salt of synthetic sulfonic acid, the anticorrosive property and the acoustic and vibration characteristics of the bearing were insufficient. (C) In the case of Comparative Example 2 in which only a hydroxyalkylamine salt of an aliphatic carboxylic acid was used and dispersed in water with a surfactant, the rust resistance was insufficient, and the acoustic and vibration characteristics of the bearing and oxidation resistance were poor. Deterioration is poor. (D) Comparative Example 3 in which a mixture of an oxidized paraffin-based rust preventive agent and mineral oil was dispersed in water with a surfactant had poor bearing acoustic and vibration characteristics, and Comparative Examples 4 and 5 which were oil rust preventive agents It is inferior in terms of rust resistance, bearing acoustic and vibration characteristics, and resistance to oxidative deterioration.
【００２７】[0027]
【発明の効果】以上説明したように、本発明によれば、
合成スルホン酸のヒドロキシアルキルアミン塩および脂
肪族カルボン酸のヒドロキシアルキルアミン塩を含むも
のとしたことにより、水溶性防錆剤であるにもかかわら
ず優れた防錆性，酸化安定性を有しており、かつ軸受の
音響特性および振動特性も損なわないことから、軸受の
水系洗浄システムに好適な防錆剤として従来の溶剤希釈
形あるいは油状防錆剤に替わり使用でき、ハロゲン化炭
化水素溶剤の使用規制に対応することができる。As described above, according to the present invention,
By incorporating a hydroxyalkylamine salt of a synthetic sulfonic acid and a hydroxyalkylamine salt of an aliphatic carboxylic acid, it has excellent rust resistance and oxidation stability despite being a water-soluble rust inhibitor. In addition, since it does not impair the acoustic and vibration characteristics of the bearing, it can be used in place of the conventional solvent-diluted type or oil-based rust preventive as a suitable rust preventive for water-based cleaning systems for bearings, and uses halogenated hydrocarbon solvents Can comply with regulations.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 八谷 耕一 神奈川県相模原市東林間１−23−６ (72)発明者 中 道治 神奈川県小田原市小竹882−21さつきが丘 ８−16 (72)発明者 府川 弘 神奈川県平塚市横内3278−４ (72)発明者 鈴木 征勇 神奈川県鎌倉市腰越５−13−21 (72)発明者 高以良 伸一 神奈川県藤沢市善行６−12−21 (72)発明者 中島 孝志 神奈川県高座郡寒川町一之宮８−16−５ (72)発明者 石川 隆利 神奈川県茅ヶ崎市西久保1541 (72)発明者 原田 辰巳 神奈川県茅ヶ崎市西久保757−１ ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Koichi Hachiya 1-23-6 Higashibayashi Sagamihara City, Kanagawa Prefecture (72) Inventor Michiharu Naka, 82-1 Satsukigaoka, 82-1 Kotake, Odawara City, Kanagawa Prefecture 8-16 (72) Fukawa River Hiroshi 3278-4 Yokouchi, Hiratsuka City, Kanagawa Prefecture Inventor Seiyu Suzuki 5-13-21 Koshigoe, Kamakura City, Kanagawa Prefecture (72) Shinichi Takara 6-12-21 Yoshiyuki, Fujisawa City, Kanagawa Prefecture (72) Takashi Nakajima 8-16-5, Ichinomiya, Samukawa-cho, Takaza-gun, Kanagawa Prefecture (72) Inventor Takatoshi Ishikawa 1541 Nishikubo, Chigasaki City, Kanagawa Prefecture (72) Inventor, Tatsumi Harada 757-1 Nishikubo, Chigasaki City, Kanagawa Prefecture
Claims (2)
ミン塩および脂肪族カルボン酸のヒドロキシアルキルア
ミン塩を含むことを特徴とする水溶性防錆剤。1. A water-soluble rust preventive agent comprising a hydroxyalkylamine salt of a synthetic sulfonic acid and a hydroxyalkylamine salt of an aliphatic carboxylic acid.
ルアミン塩５〜８０重量部に対して、前記脂肪族カルボ
ン酸のヒドロキシアルキルアミン塩を２０〜９５重量部
使用することを特徴とする請求項１記載の水溶性防錆
剤。2. The hydroxyalkylamine salt of the synthetic sulfonic acid is used in an amount of 5 to 80 parts by weight, and the hydroxyalkylamine salt of the aliphatic carboxylic acid is used in an amount of 20 to 95 parts by weight. Water-soluble rust preventive agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00477594A JP3337094B2 (en) | 1994-01-20 | 1994-01-20 | Water soluble rust inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00477594A JP3337094B2 (en) | 1994-01-20 | 1994-01-20 | Water soluble rust inhibitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07207472A true JPH07207472A (en) | 1995-08-08 |
| JP3337094B2 JP3337094B2 (en) | 2002-10-21 |
Family
ID=11593216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00477594A Expired - Fee Related JP3337094B2 (en) | 1994-01-20 | 1994-01-20 | Water soluble rust inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3337094B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306232A (en) * | 1997-05-07 | 1998-11-17 | Toyo Alum Kk | Aluminum pigment composition |
| JP2009120956A (en) * | 2001-07-17 | 2009-06-04 | Nsk Ltd | Roller bearing |
-
1994
- 1994-01-20 JP JP00477594A patent/JP3337094B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306232A (en) * | 1997-05-07 | 1998-11-17 | Toyo Alum Kk | Aluminum pigment composition |
| JP2009120956A (en) * | 2001-07-17 | 2009-06-04 | Nsk Ltd | Roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3337094B2 (en) | 2002-10-21 |
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