JP2016069590A - Grease composition blended with grease base oil diffusion preventive - Google Patents
Grease composition blended with grease base oil diffusion preventive Download PDFInfo
- Publication number
- JP2016069590A JP2016069590A JP2014202771A JP2014202771A JP2016069590A JP 2016069590 A JP2016069590 A JP 2016069590A JP 2014202771 A JP2014202771 A JP 2014202771A JP 2014202771 A JP2014202771 A JP 2014202771A JP 2016069590 A JP2016069590 A JP 2016069590A
- Authority
- JP
- Japan
- Prior art keywords
- grease
- base oil
- oil diffusion
- group
- compound
- 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
Images
Landscapes
- Lubricants (AREA)
Abstract
Description
この発明は，揮発成分が少なく，高温環境下でも使用可能なグリース基油拡散防止剤を配合したグリース組成物に関する。 The present invention relates to a grease composition containing a grease base oil diffusion inhibitor that has few volatile components and can be used even in a high temperature environment.
各種産業の発展にしたがって各種機械装置を構成する部品も小型化し，各種の性能の向上が求められており，それに伴いグリースに対しても厳しい要求がなされるようになった。その一例として，モーター類，接点類，カメラ等の精密機械に使用されるグリースは，各種機械・装置に使用されて，それらの部品の低温作動性や低トルク化が強く求められている。 With the development of various industries, the parts that make up various mechanical devices have become smaller and various performance improvements have been demanded, and as a result, severe demands have been made on grease. As an example, greases used in precision machines such as motors, contacts, and cameras are used in various machines and devices, and there is a strong demand for low-temperature operability and low torque in these parts.
これらの要求を満たすため，市販のウレアグリース及びリチウムグリースには，基油として低粘度の合成潤滑油が用いられている。しかしながら，グリース組成物に含有される合成潤滑油は，一般的に低粘度であるため，各種部品へのグリース塗布後に時間の経過と共に，部品の塗布部位からグリースが拡散してしまうという問題を有している。 In order to satisfy these requirements, low-viscosity synthetic lubricating oil is used as a base oil for commercially available urea grease and lithium grease. However, since the synthetic lubricating oil contained in the grease composition generally has a low viscosity, there is a problem that the grease diffuses from the part application site over time after applying grease to various parts. doing.
そこで，合成潤滑油の拡散を防ぐ方法のひとつに，疎水基としてパーフルオロアルキレン基及び親水基としてのポリオキシエチレン基を有するフッ素系界面活性剤を添加する方法が開発されている。基油拡散防止剤は，例えば，合成潤滑油を基油とするグリースに添加するものであって，疎水性基としてパーフルオロカーボンチェーンをもち，親水性基としてポリオキシエチレンをもつフッ素系界面活性剤から成るものである（例えば，特許文献１参照）。 Therefore, as one method for preventing the diffusion of the synthetic lubricating oil, a method of adding a fluorosurfactant having a perfluoroalkylene group as a hydrophobic group and a polyoxyethylene group as a hydrophilic group has been developed. Base oil diffusion inhibitors, for example, are added to greases based on synthetic lubricants, and are fluorosurfactants having a perfluorocarbon chain as a hydrophobic group and polyoxyethylene as a hydrophilic group. (For example, refer to Patent Document 1).
また，グリースとして，基油拡散防止効果があり，非着色性のグリース基油拡散防止剤組成物及びこれを用いたグリースが知られている。該グリース基油拡散防止剤は，一般式（Ｂ−Ａ−ＯＢ）で表されるパーフルオロアルキル基含有ポリオキシアルキレン系化合物（Ａ）を含有するものであり，Ａは炭素数１〜３０のパーフルオロアルキル基を含有してポリオキシアルキレン基，又は全部又は一部がフッ素化アルキル基置換ポリオキシアルキレン基を表し，Ｂは水素原子，炭素数１〜５のアシル基，炭素数１〜１０の非フッ素化アルキル基を表すものである（例えば，特許文献２参照）。 Further, as grease, there is known a non-coloring grease base oil diffusion inhibitor composition and a grease using the same, which has a base oil diffusion prevention effect. The grease base oil diffusion inhibitor contains a perfluoroalkyl group-containing polyoxyalkylene compound (A) represented by the general formula (B-A-OB), and A is a C 1-30 carbon atom. A polyoxyalkylene group containing a perfluoroalkyl group, or all or a part thereof represents a fluorinated alkyl group-substituted polyoxyalkylene group, B is a hydrogen atom, an acyl group having 1 to 5 carbon atoms, or 1 to 10 carbon atoms This represents a non-fluorinated alkyl group (see, for example, Patent Document 2).
また，基油拡散防止剤として，油分拡散防止性能を有するものが知られている。該基油拡散防止剤は，分子中に２個以上のポリフルオロアルキル基，及び１個以上のオキシアルキレン基を含む含フッ素化合物から成る合成潤滑油を基油とするグリースに添加するものである（例えば，特許文献３参照）。 In addition, as a base oil diffusion preventing agent, those having oil diffusion preventing performance are known. The base oil diffusion inhibitor is added to grease based on a synthetic lubricating oil composed of a fluorine-containing compound containing two or more polyfluoroalkyl groups and one or more oxyalkylene groups in the molecule. (For example, refer to Patent Document 3).
また，油分拡散防止性能を有する基油拡散防止剤が知られている。該基油拡散防止剤は，特定の含フッ素化合物から成る合成潤滑油を基油とするグリースに添加するものである（例えば，特許文献４参照）。 Further, base oil diffusion inhibitors having oil diffusion prevention performance are known. The base oil diffusion inhibitor is added to grease having a synthetic lubricating oil composed of a specific fluorine-containing compound as a base oil (see, for example, Patent Document 4).
また，基油拡散防止効果があり，非着色性のグリース基油拡散防止剤組成物が知られている。該グリース基油拡散防止剤組成物は，一般式（１）で表されるパーフルオロアルキル基含有ポリオキシエチレン系化合物（Ａ）と一般式（２）で表されるパーフルオロアルキル基含有アルコール化合物（Ｂ）を含有するものであり，一般式（１）と一般式（２）は次のとおりである。
一般式（１）は，Ｃm Ｆ2m + 1−Ｘ−（ＣＨ2 ＣＨ2 Ｏ）y −Ｈであり，ｍは１〜３０の整数，Ｘは直接結合又は２価の連結基，ｙは２〜１００の整数である。
一般式（２）は，Ｃn Ｆ2n + 1−Ｚ−ＯＨであり，ｎは１〜３０の整数であり，Ｚは炭素数１〜６のアルキレン鎖である（例えば，特許文献５参照）。
In addition, a non-coloring grease base oil diffusion inhibitor composition having a base oil diffusion prevention effect is known. The grease base oil diffusion inhibitor composition comprises a perfluoroalkyl group-containing polyoxyethylene compound (A) represented by the general formula (1) and a perfluoroalkyl group-containing alcohol compound represented by the general formula (2) (B) is contained and General formula (1) and General formula (2) are as follows.
Formula (1) is C m F 2m + 1 -X- ( CH 2 CH 2 O) y -H, m is 1 to 30 integer, X is a direct bond or a divalent linking group, y is It is an integer of 2-100.
Formula (2) is a C n F 2n + 1 -Z- OH, n is an integer of 1 to 30, Z is an alkylene chain of 1 to 6 carbon atoms (e.g., refer to Patent Document 5) .
また，シリコーン系グリースに含まれるシリコーン系オイル潤滑部以外への油分の滲み出し拡散を防止する非拡散性潤滑剤組成物が知られている。該非拡散性潤滑剤組成物は，シリコーン系グリースに基油拡散防止剤及び有機溶剤を配合して構成されているものである（例えば，特許文献６参照）。 In addition, a non-diffusible lubricant composition that prevents oil from seeping out and diffusing outside the silicone oil lubrication part contained in the silicone grease is known. The non-diffusible lubricant composition is composed of a silicone grease mixed with a base oil diffusion inhibitor and an organic solvent (see, for example, Patent Document 6).
また，グリースに添加することにより基油拡散防止性能を発揮する基油拡散防止剤が知られている。該基油拡散防止剤は，合成潤滑油を基油とするグリースに添加し，炭素数１〜１４のパーフルオロアルキル基及び／又はパーフルオロポリエーテル基を有するものである（例えば，特許文献７参照）。 In addition, base oil diffusion inhibitors that exhibit base oil diffusion prevention performance when added to grease are known. The base oil diffusion inhibitor is added to grease based on synthetic lubricating oil and has a perfluoroalkyl group and / or a perfluoropolyether group having 1 to 14 carbon atoms (for example, Patent Document 7). reference).
しかしながら，上記の各基油拡散防止剤は，これに含有されているフッ素系界面活性剤が蒸発しやすいため，例えば，該基油拡散防止剤を含有するグリースをカメラのレンズ周辺に塗布すると，蒸発したフッ素系界面活性剤がレンズの表面に付着してレンズの曇りの原因となる問題があった。また，フッ素系界面活性剤は，その製造段階で原料や中間体としてパーフルオロオクタン酸及びパーフルオロオクタンスルホン酸が使用されている。フッ素系界面活性剤に添加したこれらのパーフルオロオクタン酸及びパーフルオロオクタンスルホン酸は，フッ素系界面活性剤が熱分解した際にも発生するものである。これらのパーフルオロオクタンスルホン酸及びパーフルオロオクタン酸は，それらを使用した環境中で極めて安定に存在するため，環境汚染の原因となり，環境保全の観点から好ましくなく，これらを添加した基油拡散防止剤は，各種企業において製造し使用することを禁止するという自主規制がなされているのが現状である。 However, since each of the above base oil diffusion inhibitors easily evaporates the fluorine-based surfactant contained therein, for example, when grease containing the base oil diffusion inhibitor is applied around the lens of the camera, There is a problem that the evaporated fluorosurfactant adheres to the surface of the lens and causes fogging of the lens. Further, perfluorooctanoic acid and perfluorooctanesulfonic acid are used as raw materials and intermediates in the production stage of fluorosurfactants. These perfluorooctanoic acid and perfluorooctanesulfonic acid added to the fluorosurfactant are also generated when the fluorosurfactant is thermally decomposed. These perfluorooctane sulfonic acids and perfluorooctanoic acids are extremely stable in the environment in which they are used, causing environmental pollution and undesirable from the viewpoint of environmental conservation. The current situation is that self-regulation of drugs is prohibited by various companies.
そこで，このような状況のもとで，基油拡散防止剤としては，その製造工程中にパーフルオロオクタン酸及びパーフルオロオクタンスルホン酸を使用せず，それによって，基油拡散防止剤が熱分解したとしても，環境を汚染するような好ましくない化合物が発生せず，蒸発損失の少ないグリース基油拡散防止剤を配合したグリースが各種企業に求められている。 Under such circumstances, as a base oil diffusion inhibitor, perfluorooctanoic acid and perfluorooctane sulfonic acid are not used during the production process, so that the base oil diffusion inhibitor is thermally decomposed. Even so, various companies are demanding grease containing a grease base oil diffusion inhibitor that does not generate undesirable compounds that pollute the environment and has low evaporation loss.
この発明の目的は，上記課題を解決するものであり，グリースの製造過程において，原料，中間体及びその分解物に規制の対象となるパーフルオロオクタン酸やパーフルオロオクタンスルホン酸を使用せずに作製し，それによって環境性に優れており，しかも揮発成分が少なくて揮発・蒸発損失が少ないグリース基油拡散防止組成物を，合成潤滑油からなる基油に配合したグリース組成物を提供することである。 The object of the present invention is to solve the above-mentioned problems, and without using perfluorooctanoic acid or perfluorooctanesulfonic acid, which are subject to regulation, in raw materials, intermediates and decomposition products thereof in the grease production process. To provide a grease composition prepared by blending a grease base oil diffusion prevention composition with a base oil composed of a synthetic lubricating oil, which is excellent in environmental characteristics and has low volatilization components and low volatilization / evaporation loss. It is.
この発明は，合成潤滑油からなる基油に，下記一般式（１）で表される化合物であるグリース基油拡散防止剤を配合したことを特徴とするグリース組成物に関する。
この発明によるグリース組成物は，パーフルオロオクタン酸やパーフルオロオクタンスルホン酸をその製造工程中に使用せずにグリース基油拡散防止剤を作製し，該グリース基油拡散防止剤を合成潤滑油からなる基油に配合してさ製造したので，該グリース基油拡散防止剤が熱分解した際にも上記の好ましくない化合物が発生することがなく，上記グリース基油拡散防止剤が原因で環境汚染を発生させることがなく，しかも，揮発成分が少なく，高温環境下で使用しても環境汚染の原因とならず，好適なものである。 The grease composition according to the present invention produces a grease base oil diffusion inhibitor without using perfluorooctanoic acid or perfluorooctane sulfonic acid during the production process, and the grease base oil diffusion inhibitor is synthesized from a synthetic lubricant. When the grease base oil diffusion inhibitor is thermally decomposed, the above undesirable compounds are not generated, and the grease base oil diffusion inhibitor causes environmental pollution. In addition, it is suitable because it has few volatile components and does not cause environmental pollution even when used in a high temperature environment.
この発明は，環境に好ましくない揮発成分が少なく，環境に優しい即ち環境性に優れたグリース基油拡散防止剤を配合したグリース組成物を提供することであり，配合されたグリース基油拡散防止剤は，特に，パーフルオロオクタン酸やパーフルオロオクタンスルホン酸をその製造工程中に含まず，パーフルオロ基を含む繰り返し構造を有することを特徴としている。 The present invention is to provide a grease composition containing a grease base oil diffusion inhibitor having less volatile components unfavorable to the environment and being environmentally friendly, that is, having excellent environmental properties. Is characterized in that it has a repeating structure containing a perfluoro group without containing perfluorooctanoic acid or perfluorooctanesulfonic acid in the production process.
この発明によるグリース組成物は，合成潤滑油からなる基油に，下記一般式（１）で表される化合物であるグリース基油拡散防止剤を配合したものである。 The grease composition according to the present invention is obtained by blending a base oil composed of a synthetic lubricating oil with a grease base oil diffusion inhibitor, which is a compound represented by the following general formula (1).
次に，この発明によるグリース基油拡散防止剤を配合したグリース組成物について，実施例１〜６及び比較例１〜３を参照して説明する。 Next, the grease composition containing the grease base oil diffusion inhibitor according to the present invention will be described with reference to Examples 1 to 6 and Comparative Examples 1 to 3.
＜実施例１＞
グリース基油拡散防止剤として前記一般式（１）である構造式（１）で表される化合物（Ａ−１）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ６５６，平均分子量１４９０，Ｒｆがパーフルオロエチルエチル基，Ｘ＋Ｙが６〕の１．０重量部と，増ちょう剤としてリチウムヒドロキシステアレートと基油としてポリアルファオレフィンとの比が３：９７〜２０：８０からなるグリースの１００重量部とを配合し，これらを均一に混合してグリース１を得た。
<Example 1>
Compound (A-1) represented by the structural formula (1) which is the general formula (1) as a grease base oil diffusion inhibitor [PolyFox PF656 made by Omninova, average molecular weight 1490, Rf is perfluoroethylethyl group, 1.0 part by weight of X + Y is 6] and 100 parts by weight of grease having a ratio of lithium hydroxystearate as the thickener and polyalphaolefin as the base oil of 3:97 to 20:80, These were uniformly mixed to obtain grease 1.
＜実施例２＞
グリース基油拡散防止剤として前記構造式（１）で表される化合物（Ａ−１）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ６５６，平均分子量１４９０，Ｒｆがパーフルオロエチルエチル基，Ｘ＋Ｙが６〕の１．０重量部と，増ちょう剤としてウレア化合物と基油としてポリアルファオレフィンとの比が３：９７〜２０：８０からなるグリースの１００重量部とを配合し，これらを均一に混合してグリース２を得た。
<Example 2>
1. Compound (A-1) represented by the above structural formula (1) as a grease base oil diffusion inhibitor [PolyFox PF656 manufactured by Omninova, average molecular weight 1490, Rf is perfluoroethylethyl group, and X + Y is 6]. 0 parts by weight and 100 parts by weight of grease comprising a urea compound as a thickener and a polyalphaolefin as a base oil in a ratio of 3:97 to 20:80 were blended, and these were uniformly mixed to give grease 2 Got.
＜実施例３＞
実施例１において，グリース基油拡散防止剤として用いる化合物（Ａ−１）を，化合物（Ａ−２）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ６５２０，平均分子量４４８０，Ｒｆがパーフルオロメチルエチル基，Ｘ＋Ｙが２０〕に変更したこと以外は，実施例１と同様の条件で作製したグリース３を得た。
<Example 3>
In Example 1, the compound (A-1) used as a grease base oil diffusion inhibitor is compound (A-2) [PolyFox PF6520 manufactured by Omninova, average molecular weight 4480, Rf is perfluoromethylethyl group, and X + Y is 20 A grease 3 produced under the same conditions as in Example 1 was obtained except that the above was changed.
＜実施例４＞
実施例２において，グリース基油拡散防止剤として用いる化合物（Ａ−１）を，化合物（Ａ−２）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ６５２０，平均分子量４４８０，Ｒｆがパーフルオロメチルエチル基，Ｘ＋Ｙが２０〕に変更したこと以外は，実施例２と同様の条件で作製したグリース４を得た。
<Example 4>
In Example 2, the compound (A-1) used as a grease base oil diffusion inhibitor is compound (A-2) [PolyFox PF6520 manufactured by Omninova, average molecular weight 4480, Rf is perfluoromethylethyl group, and X + Y is 20 The grease 4 produced under the same conditions as in Example 2 was obtained except that the above was changed.
＜実施例５＞
実施例１において，グリース基油拡散防止剤として用いる化合物（Ａ−１）を，化合物（Ａ−３）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ７００２，平均分子量１６７０，Ｒｆがパーフルオロブチルエチル基，Ｘ＋Ｙが４又は５〕に変更したこと以外は，実施例１と同様の条件で作製したグリース５を得た。
<Example 5>
In Example 1, the compound (A-1) used as the grease base oil diffusion inhibitor is compound (A-3) [PolyFox PF7002, made by Omninova, average molecular weight 1670, Rf is perfluorobutylethyl group, and X + Y is 4 Or 5] except that the grease 5 was manufactured under the same conditions as in Example 1.
＜実施例６＞
実施例１において，グリース基油拡散防止剤として用いる化合物（Ａ−１）を，化合物（Ａ−３）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ７００２，平均分子量１６７０，Ｒｆがパーフルオロブチルエチル基，Ｘ＋Ｙが４又は５〕に変更したこと以外は，実施例２と同様の条件で作製したグリース６を得た。
<Example 6>
In Example 1, the compound (A-1) used as the grease base oil diffusion inhibitor is compound (A-3) [PolyFox PF7002, made by Omninova, average molecular weight 1670, Rf is perfluorobutylethyl group, and X + Y is 4 Alternatively, a grease 6 produced under the same conditions as in Example 2 was obtained except that it was changed to 5].
＜比較例１＞
グリース基油拡散防止剤として前記構造式（１）で表される化合物（Ａ−４）〔オムノバ社製のＰｏｌｙＦｏｘ ＰＦ６３６，平均分子量１１５０，Ｒｆがパーフルオロメチルエチル基，Ｘ＋Ｙが６〕の１．０重量部と，増ちょう剤としてリチウムヒドロキシステアレートと基油としてポリアルファオレフィンとの比が３：９７〜２０：８０からなるグリースの１００重量部とを配合し，これらを均一に混合してグリース７を得た。
<Comparative Example 1>
1. Compound (A-4) represented by the above structural formula (1) as a grease base oil diffusion inhibitor (PolyFox PF636, average molecular weight 1150 manufactured by Omninova, Rf is a perfluoromethylethyl group, and X + Y is 6). 0 parts by weight and 100 parts by weight of a grease having a ratio of lithium hydroxystearate as a thickener and polyalphaolefin as a base oil of 3:97 to 20:80 are mixed and mixed uniformly. Grease 7 was obtained.
＜比較例２＞
前記化合物（Ａ−４）を，サーフロンＳ−３８３Ｂ（セイミケミカル株式会社製のパーフルオロアルキル基含有ポリマー）に変更した以外は，比較例１と同様の条件で作製したグリース８を得た。
<Comparative Example 2>
A grease 8 produced under the same conditions as in Comparative Example 1 was obtained except that the compound (A-4) was changed to Surflon S-383B (perfluoroalkyl group-containing polymer manufactured by Seimi Chemical Co., Ltd.).
＜比較例３＞
前記化合物（Ａ−４）を，サーフロンＫＨ−２０（セイミケミカル株式会社製のパーフルオロ基含有ポリオキシエチレン系化合物）に変更した以外は，比較例１と同様の条件で作製したグリース９を得た。
<Comparative Example 3>
A grease 9 produced under the same conditions as in Comparative Example 1 was obtained except that the compound (A-4) was changed to Surflon KH-20 (a perfluoro group-containing polyoxyethylene compound manufactured by Seimi Chemical Co., Ltd.). It was.
各実施例１〜６の試験例１〜６，及び比較例１〜３の試験例１〜３について
実施例１〜６で得られたグリース１〜６，及び比較例１〜３で得られたグリース７〜９を用いて，下記試験法によって，拡散性，蒸発量を評価し，その結果を表１に示す。
Test Examples 1 to 6 of Examples 1 to 6 and Test Examples 1 to 3 of Comparative Examples 1 to 3 Grease 1 to 6 obtained in Examples 1 to 6 and Comparative Examples 1 to 3 Using greases 7 to 9, the diffusivity and the evaporation amount were evaluated by the following test methods, and the results are shown in Table 1.
次に，図１を参照して，上記の各実施例１〜６及び各比較例１〜３について試験した。 （１）基油拡散防止効果について
まず，グリースＧを直径１０ｍｍ，高さ０．２ｍｍの円錐形になるようにポリエステルシート２（１００ｍｍ×１００ｍｍ）の上に塗布する。そして，２５℃，２４時間後の基油の拡散状態を評価した。即ち，円錐系に塗布したグリースＧから基油が拡散した場合，図１に示すようにポリエステルシート２の面に基油が拡散した拡散領域３が確認される。基油の拡散が全く確認されなかった場合を○，基油の拡散が確認された場合を×とした。ここで，図１では，ポリエステルシート２上でグリースＧが拡散した拡散領域３を示している。
（２）添加剤蒸発量（重量％）について
プラスチックシャーレに添加剤試料３ｇを秤量し，１００℃の恒温槽中で１６時間放置したあとの重量を測定した。その際の減量を，測定前の質量に対する重量％で表し，これを蒸発量とした。なお，この発明における好ましい蒸発量としては，５重量％以下，更に好ましくは３重量％以下である。
（３）パーフルオロオクタン酸とパーフルオロオクタンスルホン酸の使用及び発生
グリース基油拡散防止剤の製造工程中にパーフルオロオクタン酸及びパーフルオロオクタンスルホン酸を使用せず，また，熱分解した際にも同化合物が発生しない基油拡散防止剤を用いたものを「なし」，それ以外のものを「あり」とした。
Next, with reference to FIG. 1, each of the above Examples 1 to 6 and Comparative Examples 1 to 3 were tested. (1) Regarding Base Oil Diffusion Prevention Effect First, grease G is applied on polyester sheet 2 (100 mm × 100 mm) so as to have a conical shape with a diameter of 10 mm and a height of 0.2 mm. And the diffusion state of the base oil 24 hours after 25 degreeC was evaluated. That is, when the base oil diffuses from the grease G applied to the conical system, a diffusion region 3 in which the base oil diffuses is confirmed on the surface of the polyester sheet 2 as shown in FIG. The case where no diffusion of the base oil was confirmed was marked with ○, and the case where the diffusion of base oil was confirmed was marked with ×. Here, FIG. 1 shows a diffusion region 3 in which the grease G diffuses on the polyester sheet 2.
(2) Additive Evaporation Amount (% by Weight) A 3 g additive sample was weighed in a plastic petri dish and weighed after being left in a constant temperature bath at 100 ° C. for 16 hours. The weight loss at that time was expressed as% by weight with respect to the mass before measurement, and this was regarded as the evaporation amount. The preferred amount of evaporation in the present invention is 5% by weight or less, more preferably 3% by weight or less.
(3) Use and generation of perfluorooctanoic acid and perfluorooctane sulfonic acid Do not use perfluorooctanoic acid or perfluorooctane sulfonic acid during the manufacturing process of grease base oil diffusion inhibitor, In addition, “None” was used for the base oil diffusion inhibitor that does not generate the same compound, and “Yes” was set for the others.
表１に示したように，この発明による実施例１〜６のグリース１〜６は，グリース基油拡散防止効果があり，添加剤の蒸発量が３重量％以下であり，尚且つパーフルオロオクタン酸及びパーフルオクタンスルホン酸を製造工程中で使用せず，また熱分解した際にも同化合物が発生しない組成物からなるものであった。
これに対して，比較例１のグリース７は，基油の拡散が確認された。比較例２，３のグリース８，９は，基油の拡散が確認されなかったが，熱分解した際に添加剤の蒸発が確認された。
As shown in Table 1, the greases 1 to 6 of Examples 1 to 6 according to the present invention have a grease base oil diffusion preventing effect, the evaporation amount of the additive is 3% by weight or less, and perfluorooctane. The acid and perfluorooctane sulfonic acid were not used in the production process, and the composition was such that the compound was not generated when pyrolyzed.
On the other hand, in the grease 7 of Comparative Example 1, diffusion of the base oil was confirmed. In the greases 8 and 9 of Comparative Examples 2 and 3, diffusion of the base oil was not confirmed, but evaporation of the additive was confirmed when thermally decomposed.
上記のとおり，この発明によるグリース基油拡散防止剤を配合したグリース組成物は，各種精密機器類の機械的な回転部や摺動部等や高温環境下において好適に用いることができることが確認できた。これに対して，比較例１〜３のグリース組成物は，各種精密機器類の機械的な回転部や摺動部等や高温環境下において用いるのに適していないことが確認された。 As described above, it can be confirmed that the grease composition containing the grease base oil diffusion inhibitor according to the present invention can be suitably used in mechanical rotating parts and sliding parts of various precision instruments and in high temperature environments. It was. On the other hand, it was confirmed that the grease compositions of Comparative Examples 1 to 3 were not suitable for use in mechanical rotating parts and sliding parts of various precision instruments and in high temperature environments.
この発明によるグリース基油拡散防止剤を配合したグリース組成物は，例えば，自動車用補機，又は家電，ＩＴ，産業用機器等の機器に使用される電動機に利用される潤滑油であって，主成分がシリコーン油である潤滑油に，少なくとも防錆剤及びシリカゲルを添加したものであり，該潤滑油組成物を含浸させた焼結含油軸受に利用されて好ましいものである。 A grease composition containing a grease base oil diffusion inhibitor according to the present invention is a lubricating oil used for, for example, an automobile auxiliary machine or an electric motor used in appliances, IT, industrial equipment, etc. A lubricating oil whose main component is silicone oil to which at least a rust preventive and silica gel are added, and is preferably used for a sintered oil-impregnated bearing impregnated with the lubricating oil composition.
２ ポリエステルシート
３ 拡散領域
Ｇ グリース
2 Polyester sheet 3 Diffusion zone G Grease
Claims (1)
但し，式（１）において，n は１〜２の整数，Ｒｆは炭素数２〜４のパーフルオロアルキル基，ＸおよびＹは１以上の整数であって，Ｘ＋Ｙは４〜２０の整数である。 A grease composition comprising a base oil composed of a synthetic lubricating oil and a grease base oil diffusion inhibitor, which is a compound represented by the following general formula (1).
However, in Formula (1), n is an integer of 1-2, Rf is a C2-C4 perfluoroalkyl group, X and Y are integers of 1 or more, and X + Y is an integer of 4-20. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014202771A JP6363925B2 (en) | 2014-10-01 | 2014-10-01 | Grease composition containing grease base oil diffusion inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014202771A JP6363925B2 (en) | 2014-10-01 | 2014-10-01 | Grease composition containing grease base oil diffusion inhibitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016069590A true JP2016069590A (en) | 2016-05-09 |
| JP6363925B2 JP6363925B2 (en) | 2018-07-25 |
Family
ID=55866137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014202771A Active JP6363925B2 (en) | 2014-10-01 | 2014-10-01 | Grease composition containing grease base oil diffusion inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6363925B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017131059A1 (en) * | 2016-01-27 | 2017-08-03 | 株式会社ニッペコ | Foreign substance removing lubricating composition, member coated with foreign substance removing lubricating composition, and use of foreign substance removing lubricating composition |
| JP2017132887A (en) * | 2016-01-27 | 2017-08-03 | 株式会社ニッペコ | Debris removal lubricant composition, member coated with debris removal lubricant composition and method of using debris removal lubricant composition |
| WO2018074599A1 (en) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | Lubricant surface treatment agent, foreign substance-removing lubricant composition, method for producing foreign substance-removing lubricant composition, coating member for foreign substance-removing lubricant composition, and method for using foreign substance-removing lubricant composition |
| JP2020002211A (en) * | 2018-06-26 | 2020-01-09 | 住友金属鉱山株式会社 | Thermal conductive grease |
| CN115151232A (en) * | 2019-11-20 | 2022-10-04 | 登士柏希罗纳有限公司 | Curable composition for dental impressions |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073282A1 (en) * | 2004-01-30 | 2005-08-11 | Mitsui Chemicals, Inc. | Novel polymers and uses thereof |
| JP2008297519A (en) * | 2007-06-04 | 2008-12-11 | Dic Corp | Grease base oil diffusion inhibitor |
-
2014
- 2014-10-01 JP JP2014202771A patent/JP6363925B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073282A1 (en) * | 2004-01-30 | 2005-08-11 | Mitsui Chemicals, Inc. | Novel polymers and uses thereof |
| JP2008297519A (en) * | 2007-06-04 | 2008-12-11 | Dic Corp | Grease base oil diffusion inhibitor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017131059A1 (en) * | 2016-01-27 | 2017-08-03 | 株式会社ニッペコ | Foreign substance removing lubricating composition, member coated with foreign substance removing lubricating composition, and use of foreign substance removing lubricating composition |
| JP2017132887A (en) * | 2016-01-27 | 2017-08-03 | 株式会社ニッペコ | Debris removal lubricant composition, member coated with debris removal lubricant composition and method of using debris removal lubricant composition |
| US10822568B2 (en) | 2016-01-27 | 2020-11-03 | Nippeco Ltd. | Foreign substance removing lubricant composition, foreign substance removing lubricant composition applied member, and method for using foreign substance removing lubricant composition |
| WO2018074599A1 (en) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | Lubricant surface treatment agent, foreign substance-removing lubricant composition, method for producing foreign substance-removing lubricant composition, coating member for foreign substance-removing lubricant composition, and method for using foreign substance-removing lubricant composition |
| JP2018065962A (en) * | 2016-10-21 | 2018-04-26 | 株式会社ニッペコ | Surface treatment agent for lubricant, foreign matter removing lubricant composition, method for manufacturing foreign matter removing lubricant composition, application member for foreign matter removing lubricant composition, and use of method of foreign matter removing lubricant composition |
| JP2020002211A (en) * | 2018-06-26 | 2020-01-09 | 住友金属鉱山株式会社 | Thermal conductive grease |
| JP7155661B2 (en) | 2018-06-26 | 2022-10-19 | 住友金属鉱山株式会社 | thermal grease |
| CN115151232A (en) * | 2019-11-20 | 2022-10-04 | 登士柏希罗纳有限公司 | Curable composition for dental impressions |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6363925B2 (en) | 2018-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6363925B2 (en) | Grease composition containing grease base oil diffusion inhibitor | |
| JP5035315B2 (en) | Perfluoropolyether oil composition | |
| JP5321587B2 (en) | Conductive grease | |
| JP4793443B2 (en) | Lubricating composition for oil-impregnated bearings | |
| ES2583088T3 (en) | Use of a lubricating grease made of perfluoropolyether | |
| WO2007052522A1 (en) | Grease composition | |
| JPH051293A (en) | Device provided with cooling structure having sliding portion and compound used therefor | |
| JP2012102157A (en) | Lubricant composition | |
| JP3918520B2 (en) | Lubricating composition for oil-impregnated bearings | |
| JP6028201B2 (en) | Perfluoropolyether oil diffusion inhibitor and fluorine lubricant | |
| JP3221983B2 (en) | Silicone composition used for coating and method for producing the same | |
| JP6312116B2 (en) | Lubricant composition | |
| JP6028200B2 (en) | Perfluoropolyether oil diffusion inhibitor and fluorine lubricant | |
| JP7082811B2 (en) | Fluorine-based grease base oil diffusion inhibitor | |
| JP7328663B2 (en) | Grease composition, multi-base oil grease composition, lubricant composition, polypropylene resin member | |
| CN110791357B (en) | Anti-radiation lubricating grease and preparation method thereof | |
| JP7756901B2 (en) | Dilution-type lubricant | |
| JP2008239700A (en) | Grease, and base oil-diffusion-preventing agent for grease | |
| JP2017020052A (en) | Lubricant composition | |
| JP2022123601A (en) | lubricating grease composition | |
| JP2020122117A (en) | Solvent diluted fluorine-based lubricant composition | |
| WO2013084596A1 (en) | Fluorine grease composition | |
| JP7264469B2 (en) | Base oil diffusion inhibitor and grease containing it | |
| JP2024102508A (en) | Aerosol composition for forming lubrication film | |
| JP2019108466A (en) | Solvent dilution type lubricant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170921 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180221 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180403 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180528 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180626 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180629 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6363925 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |