JPS59187092A - Cold rolling oil for steel - Google Patents
Cold rolling oil for steelInfo
- Publication number
- JPS59187092A JPS59187092A JP58061701A JP6170183A JPS59187092A JP S59187092 A JPS59187092 A JP S59187092A JP 58061701 A JP58061701 A JP 58061701A JP 6170183 A JP6170183 A JP 6170183A JP S59187092 A JPS59187092 A JP S59187092A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- rolling oil
- zeta potential
- water
- cold rolling
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
- C10N2020/06—Particles of special shape or size
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
Abstract
Description
【発明の詳細な説明】
本発明は、鉱物油、合成エステル或いはそれらの混合物
からなる圧延油に水溶性カチオン性乳化分散剤を添加し
た鋼板用冷間圧延油に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cold rolling oil for steel plates, which is made by adding a water-soluble cationic emulsifying dispersant to a rolling oil consisting of mineral oil, synthetic ester, or a mixture thereof.
冷間圧延は、牛脂、パーム油等の動植物、各種合成エス
テル、鉱物油、或いはこれらの′混合油に各種添加剤を
添加し水中に乳化分散したものを鋼板表面及びロール表
面に循環噴射して行われている。これ等の油類を安定し
た乳化分散液に作成するために用いられる乳化剤として
、工業材料第１９巻第４号の文献に非イオン性、アニオ
ン性、カチオン性の乳化分散剤の使用が紹介されている
。潤滑油は乳化分散剤の添加と機械攪拌力によシ１〜５
０μ程度の粒子となシ乳化分散′される。得られた粒子
は吸着した乳化分散剤の膜で保護され、又電気二重層の
静電斥力によって粒子の合一が妨げられる。安定した乳
化分散性を得るには、乳化分散剤が油粒子のまわりに速
かに吸着し吸着膜を形成し、又適度のゼータ電位を力え
るものでなければならない。水溶性カチオン性乳化分散
剤は油粒子表面に吸着し、油粒子に正のゼータ電位を与
える。Cold rolling involves adding various additives to animal and plant oils such as beef tallow and palm oil, various synthetic esters, mineral oils, or mixtures of these oils, emulsifying and dispersing them in water, and spraying the resulting mixture onto the steel plate surface and roll surface. It is being done. The use of nonionic, anionic, and cationic emulsifying dispersants is introduced in the literature in Kogyo Materials Vol. 19, No. 4 as emulsifying agents used to create stable emulsifying dispersions of these oils. ing. Lubricating oil is made by adding an emulsifying dispersant and mechanical stirring power1 to 5.
It is emulsified and dispersed into particles of about 0μ. The resulting particles are protected by a film of adsorbed emulsifying and dispersing agent, and coalescence of the particles is prevented by the electrostatic repulsion of the electric double layer. In order to obtain stable emulsifying and dispersing properties, the emulsifying and dispersing agent must quickly adsorb around oil particles to form an adsorption film, and must also be able to exert an appropriate zeta potential. The water-soluble cationic emulsifying and dispersing agent adsorbs onto the surface of the oil particles and imparts a positive zeta potential to the oil particles.
乳化分散剤の吸着密度が高い程、又は吸着膜が機棹的剪
断に強い程乳化分散安定性は良好である。The higher the adsorption density of the emulsifying dispersant or the stronger the adsorption film is against mechanical shearing, the better the emulsifying dispersion stability is.
油粒子自体は機械攪拌により負に帯電することから水溶
性カチオン性分散剤との吸着に関しては電気的要素が強
い。Since the oil particles themselves become negatively charged by mechanical stirring, there is a strong electrical element in their adsorption with the water-soluble cationic dispersant.
本発明はこれらの実情に鑑みなされたものであって、そ
の目的は乳化分散性を安定させた鋼板用冷間圧延油を提
供しようとするものである。The present invention has been made in view of these circumstances, and its purpose is to provide a cold rolling oil for steel plates that has stable emulsifying and dispersing properties.
この目的を達成させるためになされた本発明は、鉱物油
、合成エステル或いはこれらの混合物に油溶性アニオン
性物質を予め添加してゼータ電位を−７０ｒｎＶよシ卑
に調節し、それに水溶性カチオン性乳化分散剤を添加ｌ
〜たことを特徴とする鋼板用冷間圧延油であって、潤滑
油粒子のゼータ電位は油溶性アニオンの添加で変え、そ
れによって水溶性カチオン性乳化分散剤の乳化分散性を
安定した状態に保つことができるのである。The present invention, which was made to achieve this object, adjusts the zeta potential to -70rnV by adding an oil-soluble anionic substance to mineral oil, synthetic ester, or a mixture thereof in advance, and then adding a water-soluble cationic substance to the mineral oil, synthetic ester, or a mixture thereof. Add emulsifying dispersant
A cold rolling oil for steel sheets characterized by ~, the zeta potential of lubricating oil particles is changed by the addition of an oil-soluble anion, thereby stabilizing the emulsifying and dispersing properties of a water-soluble cationic emulsifying dispersant. It is possible to keep it.
圧延油のベースである通常の遊離脂肪酸を含む牛脂を機
械攪拌により乳化分散した場合、ゼータ電位は−７０１
１１Ｖであり、水溶性カチオン性乳化分散剤を用いるこ
とで比較的良い乳化分散性が得られるが、鉱物油、合成
エステルの場合、ゼータ電位は一５０ｍＶより貴であり
、水溶性カチオン性乳化分散剤では良い乳化分散性は得
られない。しかしながらステアリン酸等の油溶性アニオ
ン性物質を添加するとそのゼータ電位は低減し、−７０
ｒｎＶよシ卑になると良い乳化分散安定性を得る。これ
は、潤滑油粒子のゼータ電位を低減することにより水溶
性カチオン性乳化分散剤の吸着密度が増し且つ吸着力を
強固にするためと考えられる。When beef tallow containing normal free fatty acids, which is the base of rolling oil, is emulsified and dispersed by mechanical stirring, the zeta potential is -701.
11V, and relatively good emulsification and dispersion properties can be obtained by using water-soluble cationic emulsification dispersants. However, in the case of mineral oils and synthetic esters, the zeta potential is nobler than -50mV, and water-soluble cationic emulsification and dispersion agents are used. Good emulsifying and dispersing properties cannot be obtained with these agents. However, when an oil-soluble anionic substance such as stearic acid is added, the zeta potential decreases, and -70
When rnV is more basic, good emulsion dispersion stability is obtained. This is considered to be because by reducing the zeta potential of the lubricating oil particles, the adsorption density of the water-soluble cationic emulsifying dispersant increases and the adsorption force becomes stronger.
本発明の水溶性カチオン性乳化分散剤とは、通常乳化分
散剤として用いられているものであり、脂肪族アミン、
エタノールアミン、ポリアミン、ｓ９１）エチレンイミ
ン、ＮＮジアルキルアミノエチルポリアクリレート、ポ
リアクリルアミドのカチオン変性物等のアミン類の塩で
ある。The water-soluble cationic emulsifying and dispersing agent of the present invention is one that is usually used as an emulsifying and dispersing agent, and includes aliphatic amines,
Ethanolamine, polyamine, s91) Salts of amines such as ethyleneimine, NN dialkylaminoethyl polyacrylate, and cationic modified products of polyacrylamide.
ゼータ電位を低減せしめる油溶性アニオン性物質とは、
ステアリン酸、オレイン酸、ダイマー酸、アルケニルコ
ハク酸、安息香酸等の有機酸、遊離脂肪酸を含む天然の
動植物油及び酸性型リン酸エステルである。What is an oil-soluble anionic substance that reduces zeta potential?
Organic acids such as stearic acid, oleic acid, dimer acid, alkenylsuccinic acid, and benzoic acid, natural animal and vegetable oils containing free fatty acids, and acidic phosphoric acid esters.
以下複数の実施例と比較例とを示し、それぞれについて
の評価を表に示しである０
（実施例）
口１、試油１ ； １２０マシン油にステアリン酸を添
加することによりゼータ電位を−８０ｍＶに調節したも
の
供試油２ ； １２０マシン油にステアリン酸を添加す
ることによシゼータ電位を−７５ｒｎＶに調節したもの
供試油３ ； １２０マシン油にステアリン酸を添加す
ることによりゼータ電位を一７０ｍＶに調節したもの
試験条件
水中に供試油を３％添加し、又ＮＮジメチルアミノエチ
ル７Ｊ９リメタクリレート（平均分子量５×１０’）ノ
耐酸塩を３００ ｐｐｍ Ｌ、て６０°ＣＫａ節しホモ
ミキザー１００００ ｒｐｒｎで３０分攪拌して得られ
たエマルゾョンの粒子径を測定して分散性をみた。又１
（１０００ｒｐｍで３０分攪拌後ｓｏｏＯｒｐｍ Ｋ撹
拌力を弱めて３０分攪拌後得られたエマルションの粒子
径を測定し、機械攪拌の変化に対する分散安定性をみた
Ｏ
なお、ゼータ電、位如゛供試油を６０°Ｃの温水に３％
添加し、ホモミキザー１００（［＋ ｒｐｍで１０分間
攪廿して得られた分散粒子のゼータ電Ｍを測定した。評
価結果は次表に示す。Several Examples and Comparative Examples are shown below, and the evaluation for each is shown in the table. Test oil 2: The zeta potential was adjusted to -75rnV by adding stearic acid to 120 machine oil. Test oil 3: The zeta potential was adjusted to -75rnV by adding stearic acid to 120 machine oil. Adjusted to 70 mV Test conditions: 3% of the test oil was added to water, and 300 ppm L of NN dimethylaminoethyl 7J9 remethacrylate (average molecular weight 5 x 10') salt-resistant salt was heated at 60° CKa and heated using a homomixer 10,000. The particle size of the emulsion obtained by stirring with rprn for 30 minutes was measured to check the dispersibility. Again 1
(After stirring for 30 minutes at 1000 rpm, the particle size of the emulsion obtained was measured after stirring for 30 minutes with the stirring force weakened, and the dispersion stability against changes in mechanical stirring was examined. 3% oil in 60°C warm water
The zeta charge M of the dispersed particles obtained by stirring for 10 minutes with a homomixer 100 (+ rpm) was measured. The evaluation results are shown in the following table.
（比較例）
比較例１ ； １２０マシン油にステアリン酸を添加す
・ることによりゼータ電位を−６５ｍＶに調節したもの
比較例２ ： １２０マ／ン油にステアリン酸を添加す
ることによりゼータ電位を−６０ｍＶに調節したもの
比軸例３ ： １２（ｌマンン油
試験条件は前記供試油と同じである。評価結果は次表に
示す。(Comparative Examples) Comparative Example 1: The zeta potential was adjusted to -65 mV by adding stearic acid to 120 machine oil. Comparative Example 2: The zeta potential was adjusted to -65 mV by adding stearic acid to 120 machine oil. Ratio example 3: Adjusted to -60 mV: 12 (l) Mann oil test conditions are the same as the above test oil. Evaluation results are shown in the following table.
Claims (1)
アニオン性物質を予め添加してゼータ電位を−７０ｍＶ
よシ卑に調節し、それに水溶性カチオン性乳化分散剤を
添加したことを特徴とする鋼板用冷間圧延油。Add an oil-soluble anionic substance to mineral oil, synthetic ester, or a mixture thereof in advance to adjust the zeta potential to -70 mV.
A cold rolling oil for steel sheets, characterized in that it is adjusted to a very low level and a water-soluble cationic emulsifying dispersant is added thereto.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58061701A JPS59187092A (en) | 1983-04-08 | 1983-04-08 | Cold rolling oil for steel |
| KR1019830005732A KR840009123A (en) | 1983-04-08 | 1983-12-03 | Cold Rolled Oil for Steel Sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58061701A JPS59187092A (en) | 1983-04-08 | 1983-04-08 | Cold rolling oil for steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59187092A true JPS59187092A (en) | 1984-10-24 |
| JPS6111993B2 JPS6111993B2 (en) | 1986-04-05 |
Family
ID=13178806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58061701A Granted JPS59187092A (en) | 1983-04-08 | 1983-04-08 | Cold rolling oil for steel |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS59187092A (en) |
| KR (1) | KR840009123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250099A (en) * | 1985-04-30 | 1986-11-07 | Hitachi Ltd | Liquid lubricant for cold forging |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104999A (en) * | 1981-12-18 | 1983-06-22 | Kao Corp | Metal rolling oil composition |
-
1983
- 1983-04-08 JP JP58061701A patent/JPS59187092A/en active Granted
- 1983-12-03 KR KR1019830005732A patent/KR840009123A/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104999A (en) * | 1981-12-18 | 1983-06-22 | Kao Corp | Metal rolling oil composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250099A (en) * | 1985-04-30 | 1986-11-07 | Hitachi Ltd | Liquid lubricant for cold forging |
Also Published As
| Publication number | Publication date |
|---|---|
| KR840009123A (en) | 1984-12-24 |
| JPS6111993B2 (en) | 1986-04-05 |
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