JP6802686B2 - Lubricating rust inhibitor - Google Patents
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- JP6802686B2 JP6802686B2 JP2016205037A JP2016205037A JP6802686B2 JP 6802686 B2 JP6802686 B2 JP 6802686B2 JP 2016205037 A JP2016205037 A JP 2016205037A JP 2016205037 A JP2016205037 A JP 2016205037A JP 6802686 B2 JP6802686 B2 JP 6802686B2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims description 57
- 230000001050 lubricating effect Effects 0.000 title claims description 52
- 239000003112 inhibitor Substances 0.000 title claims description 18
- 239000003921 oil Substances 0.000 claims description 73
- 230000003449 preventive effect Effects 0.000 claims description 35
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- 239000000314 lubricant Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 description 17
- 239000002184 metal Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 5
- 229910003472 fullerene Inorganic materials 0.000 description 5
- -1 polyol esters Chemical class 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000005690 diesters Chemical class 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- CUNWUEBNSZSNRX-RKGWDQTMSA-N (2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol;(z)-octadec-9-enoic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O CUNWUEBNSZSNRX-RKGWDQTMSA-N 0.000 description 1
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical class OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229960005078 sorbitan sesquioleate Drugs 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
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- Lubricants (AREA)
Description
本発明は、潤滑防錆剤、特に、金属部材の潤滑、防錆に用いられて好適な潤滑防錆剤に関するものである。 The present invention relates to a lubricating rust inhibitor, particularly a lubricating rust inhibitor suitable for use in lubrication and rust prevention of metal members.
鉱物油および有機溶剤を含み、缶スプレーにより金属部材に噴霧して当該金属部材の潤滑や防錆や、固着したネジ等の金属部材を緩めるために用いられる液状の潤滑防錆剤がある。
このような潤滑防錆剤に関し、３０〜９７質量％の炭化水素溶剤と、１〜３０質量％の揮発性シリコーンと、１〜３０質量％の炭化水素油及びこれらの混合物からなる群より選ばれる炭化水素基剤に可溶性の潤滑油を含む軽質潤滑剤がある（特許文献１）。また、冷凍機油組成物に関し、基油のＳＰ値と油溶性重合体のＳＰ値を特定した二酸化炭素冷媒用の冷凍機油組成物がある（特許文献２）。
There is a liquid lubricating rust preventive agent containing mineral oil and an organic solvent and sprayed on a metal member by a can spray to lubricate the metal member and prevent rust, and to loosen a metal member such as a fixed screw.
Such a lubricating rust preventive is selected from the group consisting of 30 to 97% by mass of hydrocarbon solvent, 1 to 30% by mass of volatile silicone, 1 to 30% by mass of hydrocarbon oil and a mixture thereof. There is a light lubricant containing a soluble lubricating oil as a hydrocarbon base (Patent Document 1). Further, regarding the refrigerating machine oil composition, there is a refrigerating machine oil composition for a carbon dioxide refrigerant in which the SP value of the base oil and the SP value of the oil-soluble polymer are specified (Patent Document 2).
潤滑防錆剤の特性の一つに、浸透性がある。浸透性が向上すれば、固着したネジ等の金属部材のミクロ的な隙間に潤滑防錆剤が浸透して、固着したネジ等の金属部材を従来よりも容易に、また、より短時間に緩めることができる。この点、引用文献１のような従来の潤滑防錆剤は、上記浸透性についてなお改良の余地があった。また、冷凍機油組成物は、潤滑防錆剤とは、用途も組成も特性も異なっていた。
そこで、本発明の目的は、浸透性を向上させた潤滑防錆剤を提供することにある。
Permeability is one of the characteristics of lubricating rust inhibitors. If the permeability is improved, the lubricating rust preventive penetrates into the microscopic gaps of the fixed metal members such as screws, and the fixed metal members such as screws can be loosened more easily and in a shorter time than before. be able to. In this respect, the conventional lubricating rust preventives such as Cited Document 1 still have room for improvement in the above permeability. Further, the refrigerating machine oil composition was different from the lubricating rust preventive in terms of use, composition and characteristics.
Therefore, an object of the present invention is to provide a lubricating rust preventive agent having improved permeability.
本発明者は、潤滑防錆剤について鋭意研究を重ね、複数種の合成油を含み、個々の合成油のＳＰ値の差が特定値以上であることにより、浸透性を向上させることができることを見出し、本発明に至った。 The present inventor has conducted extensive research on lubricating and rust preventives, and found that the permeability can be improved by containing a plurality of types of synthetic oils and having the difference in SP value of each synthetic oil being equal to or greater than a specific value. The heading led to the present invention.
上記知見に基づく本発明の潤滑防錆剤は、２種以上のエステル系合成油を含み、各合成油のＳＰ値が８．５〜１０．０であり、かつ、最小のＳＰ値と最大のＳＰ値との差の絶対値が０．５以上１．５以下であり、各合成油の４０℃における動粘度のうち、最小の動粘度と最大の動粘度との差の絶対値が１１４ｍｍ２／ｓ以上であり、前記２種以上の合成油を５〜５０質量％含むことを特徴とする。 The lubricating rust preventive agent of the present invention based on the above findings contains two or more kinds of ester synthetic oils, and the SP value of each synthetic oil is 8.5 to 10.0, and the minimum SP value and the maximum SP value. The absolute value of the difference from the SP value is 0.5 or more and 1.5 or less, and the absolute value of the difference between the minimum kinematic viscosity and the maximum kinematic viscosity of each synthetic oil at 40 ° C. is 114 mm 2. It is characterized by having / s or more and containing 5 to 50% by mass of the above two or more kinds of synthetic oils.
本発明の潤滑防錆剤においては、上記合成油のうち、最小のＳＰ値が８．５〜９であり、最大のＳＰ値が９〜１０．０であることが好ましい。
更に、本発明の潤滑防錆剤は、固体潤滑剤を含むことが好ましい。
In the lubricating rust preventive agent of the present invention, among the synthetic oils, the minimum SP value is preferably 8.5 to 9, and the maximum SP value is preferably 9 to 10.0.
Further, the lubricating rust preventive agent of the present invention preferably contains a solid lubricant.
本発明によれば、潤滑防錆剤の浸透性を向上させることができる。 According to the present invention, the permeability of the lubricating rust inhibitor can be improved.
以下、本発明の潤滑防錆剤をより具体的に説明する。本発明の潤滑防錆剤は、２種以上の合成油を含み、各合成油のＳＰ値のうち、最小のＳＰ値と最大のＳＰ値との差の絶対値が０．５以上である。 Hereinafter, the lubricating rust preventive agent of the present invention will be described more specifically. The lubricating rust preventive agent of the present invention contains two or more kinds of synthetic oils, and among the SP values of each synthetic oil, the absolute value of the difference between the minimum SP value and the maximum SP value is 0.5 or more.
本発明の潤滑防錆剤は、２種以上の合成油を含有する。合成油は鉱物油に比べて潤滑防錆剤を純度高く製造することができ、よって、不純物による油切れを抑制して高い潤滑性を得ることができる。また、合成油は、精製により良好な流動性が得られ、これにより、隙間における高い浸透性を得ることができる。 The lubricating rust inhibitor of the present invention contains two or more kinds of synthetic oils. Synthetic oil can produce a lubricating rust preventive with higher purity than mineral oil, and thus can suppress oil shortage due to impurities and obtain high lubricity. In addition, the synthetic oil can obtain good fluidity by refining, whereby high permeability in the gap can be obtained.
合成油は、ポリα−オレフィン、ポリブテン、ポリオールエステル、二塩基酸エステル、リン酸エステル、ポリフェニルエーテル、アルキルベンゼン、アルキルナフタレン、ポリオキシアルキレングリコール、ネオペンチルグリコール、トリメチロールプロパン、ペンタエリスリトール、更にはヒンダードエステルなどのオレフィン系、エステル系、その他の合成油を挙げることができる。より好ましくは、モノエステル、ジエステル、ポリオールエステル、脂肪酸エステル、ヒンダードエステル等のエステル系合成油である。 Synthetic oils include polyα-olefins, polybutenes, polyol esters, dibasic acid esters, phosphate esters, polyphenyl ethers, alkylbenzenes, alkylnaphthalene, polyoxyalkylene glycols, neopentyl glycols, trimethylolpropane, pentaerythritol, and even Examples thereof include olefin-based, ester-based, and other synthetic oils such as hindered esters. More preferably, it is an ester-based synthetic oil such as monoester, diester, polyol ester, fatty acid ester, and hindered ester.
本発明の潤滑防錆剤は、２種以上の合成油の各合成油のＳＰ値（溶解パラメータ）のうち、最小のＳＰ値と最大のＳＰ値との差の絶対値が０．５以上である。このことは、潤滑防錆剤に含まれる２種以上の合成油のうち最大のＳＰを有する合成油と、最小のＳＰ値を有する合成油との、ＳＰ値の差（絶対値）が０．５以上であることを意味する。
なお、個々の合成油のＳＰ値は、計算法又は実験法により算出することができる。
In the lubricating rust preventive agent of the present invention, the absolute value of the difference between the minimum SP value and the maximum SP value among the SP values (solubility parameters) of each synthetic oil of two or more kinds of synthetic oils is 0.5 or more. is there. This means that the difference (absolute value) in SP value between the synthetic oil having the maximum SP and the synthetic oil having the minimum SP value among the two or more kinds of synthetic oils contained in the lubricating rust preventive is 0. It means that it is 5 or more.
The SP value of each synthetic oil can be calculated by a calculation method or an experimental method.
本発明の潤滑防錆剤は、最小のＳＰ値と最大のＳＰ値との差の絶対値が０．５以上であることにより良好な潤滑性を維持しつつ、浸透性を向上させることができる。その理由は、必ずしも明らかではないが、潤滑防錆剤が金属部材の表面に付着したときに、当該潤滑防錆剤に含まれる２種以上の合成油のうち、最大のＳＰを有する合成油が、潤滑防錆剤被膜の厚さ方向で金属部材の表面に近い側に位置し、最小のＳＰを有する合成油が、金属部材の表面に遠い側に位置し、被膜内で分層のような態様を示し、これにより、主に最大のＳＰを有する合成油による浸透性の向上と、主に最小のＳＰを有する合成油による潤滑性の維持とを、高いレベルで両立することができると考えられる。 The lubricating rust inhibitor of the present invention can improve the permeability while maintaining good lubricity by having the absolute value of the difference between the minimum SP value and the maximum SP value being 0.5 or more. .. The reason is not always clear, but when the lubricating rust inhibitor adheres to the surface of the metal member, the synthetic oil having the maximum SP among the two or more kinds of synthetic oils contained in the lubricating rust inhibitor is used. , The synthetic oil, which is located closer to the surface of the metal member in the thickness direction of the lubricating rust preventive film and has the minimum SP, is located farther from the surface of the metal member and is like a stratification in the film. It is considered that the improvement of permeability mainly by the synthetic oil having the maximum SP and the maintenance of the lubricity mainly by the synthetic oil having the minimum SP can be achieved at a high level. Be done.
２種以上の合成油の各合成油のＳＰ値（溶解パラメータ）のうち、最小のＳＰ値と最大のＳＰ値との差の絶対値は、０．５以上で本発明で所期した効果が十分に得られ、好ましくは０．８以上であり、より好ましくは１．２以上である。 Of the SP values (solubility parameters) of each synthetic oil of two or more kinds of synthetic oils, the absolute value of the difference between the minimum SP value and the maximum SP value is 0.5 or more, and the effect expected in the present invention is obtained. It is sufficiently obtained, preferably 0.8 or more, and more preferably 1.2 or more.
本発明の潤滑防錆剤に含まれる２種以上の合成油のうち、最小のＳＰ値を示すものは、そのＳＰ値が７〜９程度であることが好ましい。また、本発明の潤滑防錆剤に含まれる２種以上の合成油のうち、最大のＳＰ値を示すものは、そのＳＰ値が９〜１１程度であることが好ましい。複数の合成油のうち、最小のＳＰ値を有するものと、最大の有するものとが、上記の好適なＳＰ値を有し、かつ、上述した最小のＳＰ値と最大のＳＰ値との差の絶対値が０．８以上であることが好ましい。 Of the two or more kinds of synthetic oils contained in the lubricating rust preventive of the present invention, those showing the minimum SP value preferably have an SP value of about 7 to 9. Further, among the two or more kinds of synthetic oils contained in the lubricating rust preventive agent of the present invention, those showing the maximum SP value preferably have an SP value of about 9 to 11. Of the plurality of synthetic oils, the one having the minimum SP value and the one having the maximum SP value have the above-mentioned suitable SP value, and the difference between the above-mentioned minimum SP value and the maximum SP value. The absolute value is preferably 0.8 or more.
本発明の潤滑防錆剤は、各合成油の４０℃における動粘度のうち、最小の動粘度と最大の動粘度との差の絶対値が５０ｍｍ２／ｓ以上であることが好ましい。このことは、潤滑防錆剤に含まれる２種以上の合成油のうち最大の動粘度を有する合成油と、最小の動粘度を有する合成油との、動粘度の差（絶対値）が５０ｍｍ２／ｓ以上であることを意味する。 In the lubricating rust preventive of the present invention, the absolute value of the difference between the minimum kinematic viscosity and the maximum kinematic viscosity of the kinematic viscosities of each synthetic oil at 40 ° C. is preferably 50 mm 2 / s or more. This means that the difference (absolute value) in kinematic viscosity between the synthetic oil having the maximum kinematic viscosity and the synthetic oil having the minimum kinematic viscosity among the two or more kinds of synthetic oils contained in the lubricating rust preventive is 50 mm. It means that it is 2 / s or more.
上述した最小の動粘度と最大の動粘度との差の絶対値が５０ｍｍ２／ｓ以上であることにより、より浸透性が向上する。より好ましくは、最小の動粘度と最大の動粘度との差の絶対値が８０ｍｍ２／ｓ以上である。
なお、個々の合成油の４０℃における動粘度は、浸透性を考慮すると、潤滑防錆剤中の合成油が希釈剤により希釈されるとしても、あまりに大きな動粘度は好ましくなく、それぞれ１〜２００ｍｍ２／ｓ程度であることが好ましい。
When the absolute value of the difference between the minimum kinematic viscosity and the maximum kinematic viscosity described above is 50 mm 2 / s or more, the permeability is further improved. More preferably, the absolute value of the difference between the minimum kinematic viscosity and the maximum kinematic viscosity is 80 mm 2 / s or more.
Regarding the kinematic viscosity of each synthetic oil at 40 ° C., considering the permeability, even if the synthetic oil in the lubricating rust preventive is diluted with a diluent, an excessively large kinematic viscosity is not preferable, and each is 1 to 200 mm. It is preferably about 2 / s.
本発明の潤滑防錆剤は、２種以上の合成油を合計で５〜５０質量％含むことが好ましい。５質量％以上を含むことにより、浸透性の向上と、潤滑性と、防錆性とが十分に得られる。５０質量％以下であることにより、他の成分との兼ね合いで十分な浸透性の向上と、潤滑性と、防錆性とが得られる。より好ましくは１０〜４０質量％程度である。
なお、個々の合成油の配合量については、上述した合計量の範囲内で適宜に調整すればよい。
The lubricating rust inhibitor of the present invention preferably contains 5 to 50% by mass in total of two or more kinds of synthetic oils. By containing 5% by mass or more, improvement of permeability, lubricity and rust prevention can be sufficiently obtained. When the content is 50% by mass or less, sufficient improvement in permeability, lubricity, and rust prevention can be obtained in consideration of other components. More preferably, it is about 10 to 40% by mass.
The blending amount of each synthetic oil may be appropriately adjusted within the range of the total amount described above.
本発明の潤滑防錆剤は、合成油以外の成分を含むことができる。合成油以外の成分としては、例えば水置換剤や表面張力低下剤や希釈剤や固体潤滑剤等が挙げられる。 The lubricating rust preventive agent of the present invention may contain components other than synthetic oil. Examples of components other than synthetic oil include water substitution agents, surface tension lowering agents, diluents, solid lubricants, and the like.
水置換剤は、潤滑防錆剤を塗布する対象物としての金属部材の表面から水分を除去して防錆効果を向上させる。水置換剤は、例えば各種の界面活性剤を用いることができる。表面張力低下剤は、浸透性を高め、また分散性を向上させる。希釈剤は、炭酸ガスやＬＰＧガス等を用いたスプレー缶で潤滑防錆剤を噴霧できるように潤滑防錆剤の成分を希釈して浸透性を高める。固体潤滑剤は、潤滑性を向上させる。 The water replacement agent removes water from the surface of the metal member as the object to which the lubricating rust preventive agent is applied to improve the rust preventive effect. As the water substituent, for example, various surfactants can be used. The surface tension lowering agent enhances permeability and improves dispersibility. The diluent enhances the permeability by diluting the components of the lubricating rust preventive so that the lubricating rust preventive can be sprayed with a spray can using carbon dioxide gas, LPG gas or the like. Solid lubricants improve lubricity.
固体潤滑剤は、炭素系ナノ粒子からなることが好ましい。フラーレン等の炭素系ナノ粒子は、一次粒子の粒径が小さく、金属部材のわずかな隙間にも固体潤滑剤が浸入することができ、金属部材の摩擦を低下して、潤滑性を向上させることができる。フラーレンは、Ｃ６０や高次フラーレンを用いることができる。炭素系ナノ粒子は、分散剤を含む潤滑防錆剤中に一次粒子として分散していることが好ましい。一次粒子径は、好ましくは１μｍ未満である。 The solid lubricant is preferably composed of carbon-based nanoparticles. Carbon-based nanoparticles such as fullerenes have a small particle size of primary particles, and a solid lubricant can penetrate into even a small gap of a metal member, reducing friction of the metal member and improving lubricity. Can be done. Fullerenes may be used C 60 and higher fullerenes. The carbon-based nanoparticles are preferably dispersed as primary particles in a lubricating rust inhibitor containing a dispersant. The primary particle size is preferably less than 1 μm.
以下に実施例により本発明を説明するが、本発明は以下の実施例によって何ら限定されるものではない。 The present invention will be described below with reference to examples, but the present invention is not limited to the following examples.
（実施例１〜３、比較例１〜３）
表１に示す成分組成を含む潤滑防錆剤を調製した。なお表中の配合量の単位は質量％である。
(Examples 1 to 3 and Comparative Examples 1 to 3)
Lubricating rust inhibitors containing the component compositions shown in Table 1 were prepared. The unit of the blending amount in the table is mass%.
表１中に示された合成油１〜３は、以下のものを用いた。
合成油１：
脂肪酸エステル系合成油（ＳＰ値：９．１、動粘度：２０ｍｍ２／ｓ）
合成油２：
ヒンダード型ジエステル系合成油（ＳＰ値：１０．０、動粘度：１３４ｍｍ２／ｓ）
合成油３：
モノエステル系合成油（ＳＰ値：８．５、動粘度：２．７ｍｍ２／ｓ）
The following synthetic oils 1 to 3 shown in Table 1 were used.
Synthetic oil 1:
Fatty acid ester synthetic oil (SP value: 9.1, kinematic viscosity: 20 mm 2 / s)
Synthetic oil 2:
Hindered diester synthetic oil (SP value: 10.0, kinematic viscosity: 134 mm 2 / s)
Synthetic oil 3:
Monoester synthetic oil (SP value: 8.5, kinematic viscosity: 2.7 mm 2 / s)
上記実施例及び比較例の潤滑防錆剤について、以下の浸透性試験及び潤滑性試験を行って性能を評価した。
＜浸透性試験＞
長さ３ｃｍのＭ６サイズの六角ナットのネジ孔に、長さ２．５ｃｍの雄ネジをネジ結合させた試験片を用意した。別途、ろ紙を用意した。水平台上にろ紙を置き、このろ紙上に試験片を、六角ナットのネジ穴の貫通方向が垂直方向になるように立てて置いた。試験片がろ紙上に立てられた状態で、六角ナットのネジ穴の上端には、雄ネジの上端の高さの差により深さ０．５ｃｍの窪みが形成されていた。この窪みに各実施例及び比較例の潤滑防錆剤を各々１００マイクロリットル、すなわち０．１ｃｍ３滴下し、潤滑防錆剤が六角ナットと雄ネジとの間の螺合部分の隙間を浸透し、六角ナットの下端から染み出て、ろ紙に達したことを目視で確認した。潤滑防錆剤の滴下から、ろ紙へ到達までの時間を浸透時間として計測した。この浸透時間を表１に併記する。
The performance of the lubricating rust preventives of the above Examples and Comparative Examples was evaluated by conducting the following permeability test and lubricity test.
<Permeability test>
A test piece was prepared in which a male screw having a length of 2.5 cm was screwed into a screw hole of an M6 size hexagon nut having a length of 3 cm. Separately, filter paper was prepared. The filter paper was placed on a horizontal table, and the test piece was placed upright on the filter paper so that the penetrating direction of the screw hole of the hexagon nut was vertical. With the test piece standing on the filter paper, a recess with a depth of 0.5 cm was formed at the upper end of the screw hole of the hexagon nut due to the difference in height of the upper end of the male screw. 100 microliters of each of the lubricating rust preventives of each Example and Comparative Example was dropped into this recess, that is, 0.1 cm 3 drops, and the lubricating rust preventive penetrated the gap of the screwed portion between the hexagon nut and the male screw. , It was visually confirmed that it had exuded from the lower end of the hexagon nut and reached the filter paper. The time from the dropping of the lubricating rust inhibitor to the arrival at the filter paper was measured as the permeation time. This permeation time is also shown in Table 1.
表１から、複数の合成油を用い、それらの合成油のＳＰ値の差が０．５以上の実施例１〜３は、合成油を１種のみで用いた比較例１〜３よりも浸透時間が短かった。 From Table 1, Examples 1 to 3 using a plurality of synthetic oils and having a difference in SP value of 0.5 or more between the synthetic oils penetrated more than Comparative Examples 1 to 3 using only one type of synthetic oil. The time was short.
＜潤滑性試験＞
曽田式振子試験機により潤滑油の油性を評価する方法として、油の摩擦係数を測定した。より具体的に、振子の減衰振動を利用して、各種の潤滑油の境界油膜状態における油性を評価するための比較基準となる摩擦係数を求めた。摩擦係数の計算式は次のとおりであった。
ｆ＝Ｃ×（Ａ０−Ａｎ）／ｎ
ここに、ｆは摩擦係数、ｎは振動回数、Ａ０は初期振幅、Ａｎは各振動回数目の振れ角、Ｃは比例定数であった。求めた摩擦係数の値が小さければ油の油性効果があるといえる。
<Lubrication test>
The coefficient of friction of the oil was measured as a method for evaluating the oiliness of the lubricating oil with the Sota-type pendulum tester. More specifically, using the damped vibration of the pendulum, the friction coefficient, which is a comparison standard for evaluating the oiliness of various lubricating oils in the boundary oil film state, was obtained. The formula for calculating the coefficient of friction was as follows.
f = C × (A0-An) / n
Here, f is the coefficient of friction, n is the number of vibrations, A0 is the initial amplitude, An is the swing angle at each number of vibrations, and C is a constant of proportionality. If the value of the obtained friction coefficient is small, it can be said that the oil has an oily effect.
上述した曽田式振子試験機により実施例１〜３、比較例１〜３の摩擦係数を測定したところ、実施例１〜３の潤滑防錆剤は、比較例１〜３の潤滑防錆剤の摩擦係数と同程度であり、各実施例の潤滑性は従来例と同程度を維持できていることが分かった。 When the friction coefficients of Examples 1 to 3 and Comparative Examples 1 to 3 were measured by the Soda type pendulum tester described above, the lubricating rust preventives of Examples 1 to 3 were the same as those of Comparative Examples 1 to 3. It was found that the friction coefficient was about the same, and the lubricity of each example could be maintained at the same level as the conventional example.
（実施例４）
以下に示す成分組成を含む潤滑防錆剤を調製した。実施例４は、上述した実施例３の組成に加えて、フラーレンを含む例である。
合成油１：
脂肪酸エステル系合成油（ＳＰ値：９．１、動粘度：２０ｍｍ２／ｓ）：２質量％、
合成油２：
ヒンダード型ジエステル系合成油（ＳＰ値：１０．０、動粘度：１３４ｍｍ２／ｓ）：３質量％、
合成油３：
モノエステル系合成油（ＳＰ値：８．５、動粘度：２．７ｍｍ２／ｓ）：１８質量％、
水置換剤：
ソルビタンセスキオレエート：４質量％、
表面張力低下剤：
デカメチルシクロペンタシロキサン：２０質量％、
希釈剤：
アルキルシクロパラフィン：５３質量％、
固体潤滑剤：
フラーレン：上記合成油１、合成油２、合成油３、水置換剤、表面張力低下剤及び希釈剤の合計１００質量部に対して０．００１質量部。
(Example 4)
A lubricating rust inhibitor containing the following component compositions was prepared. Example 4 is an example containing fullerene in addition to the composition of Example 3 described above.
Synthetic oil 1:
Fatty acid ester synthetic oil (SP value: 9.1, kinematic viscosity: 20 mm 2 / s): 2% by mass,
Synthetic oil 2:
Hindered diester synthetic oil (SP value: 10.0, kinematic viscosity: 134 mm 2 / s): 3% by mass,
Synthetic oil 3:
Monoester synthetic oil (SP value: 8.5, kinematic viscosity: 2.7 mm 2 / s): 18% by mass,
Water replacement agent:
Sorbitan sesquioleate: 4% by mass,
Surface tension lowering agent:
Decamethylcyclopentasiloxane: 20% by mass,
Diluent:
Alkylcycloparaffin: 53% by mass,
Solid lubricant:
Fullerene: 0.001 part by mass with respect to 100 parts by mass of the total of the above synthetic oil 1, synthetic oil 2, synthetic oil 3, water substitution agent, surface tension lowering agent and diluent.
（比較例４）
上記実施例４の潤滑防錆剤の合成油１を２３質量％、合成油２を０質量％、合成油３を０質量％に変更した以外は同じ成分及び含有量として比較例の潤滑防錆剤を調製した。
(Comparative Example 4)
The lubricating rust preventive of the comparative example has the same components and contents except that the synthetic oil 1 of the lubricating rust preventive agent of Example 4 is changed to 23% by mass, the synthetic oil 2 is changed to 0% by mass, and the synthetic oil 3 is changed to 0% by mass. The agent was prepared.
実施例４及び比較例４の潤滑防錆剤について、上述した浸透試験及び潤滑性試験を行った。その結果、実施例４の潤滑防錆剤は２３秒でネジ穴の下端まで達したのに対して、比較例４の潤滑防錆剤は３３秒を要した。また、実施例４の潤滑防錆剤の潤滑性は比較例４と同等であった。 The above-mentioned penetration test and lubricity test were performed on the lubricating rust preventives of Example 4 and Comparative Example 4. As a result, the lubricating rust inhibitor of Example 4 reached the lower end of the screw hole in 23 seconds, whereas the lubricating rust inhibitor of Comparative Example 4 took 33 seconds. Further, the lubricity of the lubricating rust inhibitor of Example 4 was equivalent to that of Comparative Example 4.
本発明を利用することで、金属部材の潤滑、さび止め、固着した金属部材を容易に緩めることができる。
By utilizing the present invention, the metal member can be easily lubricated, rust-prevented, and the fixed metal member can be loosened.
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