JPH0337297A - Grease for use in copper contact - Google Patents
Grease for use in copper contactInfo
- Publication number
- JPH0337297A JPH0337297A JP17258089A JP17258089A JPH0337297A JP H0337297 A JPH0337297 A JP H0337297A JP 17258089 A JP17258089 A JP 17258089A JP 17258089 A JP17258089 A JP 17258089A JP H0337297 A JPH0337297 A JP H0337297A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- grease
- weight
- base oil
- contact
- 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.)
- Pending
Links
- 239000004519 grease Substances 0.000 title claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 32
- 239000010949 copper Substances 0.000 title claims abstract description 32
- 229920005862 polyol Polymers 0.000 claims abstract description 14
- 239000002199 base oil Substances 0.000 claims abstract description 10
- -1 polyol ester Chemical class 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 6
- 150000003336 secondary aromatic amines Chemical class 0.000 claims abstract description 6
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000006078 metal deactivator Substances 0.000 claims description 6
- 239000002734 clay mineral Substances 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 abstract description 7
- 150000003077 polyols Chemical class 0.000 abstract description 7
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 abstract description 3
- 239000012964 benzotriazole Substances 0.000 abstract description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052901 montmorillonite Inorganic materials 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- OGQYPPBGSLZBEG-UHFFFAOYSA-N dimethyl(dioctadecyl)azanium Chemical compound CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC OGQYPPBGSLZBEG-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000937 inactivator Effects 0.000 abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 15
- 238000009472 formulation Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 150000001565 benzotriazoles Chemical class 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- RURPJGZXBHYNEM-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound C=1C=CC=C(O)C=1C=NC(C)CN=CC1=CC=CC=C1O RURPJGZXBHYNEM-UHFFFAOYSA-N 0.000 description 1
- UUNBFTCKFYBASS-UHFFFAOYSA-N C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC Chemical compound C(CCCCCCC)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCCCC UUNBFTCKFYBASS-UHFFFAOYSA-N 0.000 description 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WSVHTXIGTGSEEO-UHFFFAOYSA-N dimethyl-octadecyl-pentylazanium Chemical compound CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCC WSVHTXIGTGSEEO-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明を、低温から高温までの広い可使温度範囲を有
する銅接点用グリースに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a grease for copper contacts having a wide usable temperature range from low to high temperatures.
従来の技術
各種の摺動スイッチの使用温度は通常約−３０℃〜８０
℃であるが、自動車や航空機等のエンジン室直付はスイ
ッチ、ヒータや発熱体の切り換えスイッチおよび無人工
場等で使用される制御スイッチやコネクタ等にお゛いて
は、コスト的な観点から汎用されている銅製の接点の温
度が約１６０℃まで上昇することもあり、従来の銅接点
用グリースでは十分に対応することができなくなってい
る。Conventional technology The operating temperature of various sliding switches is usually about -30°C to 80°C.
℃, but from a cost standpoint, it is not commonly used for switches mounted directly on the engine compartment of automobiles, aircraft, etc., switches for heaters and heating elements, control switches and connectors used in unmanned factories, etc. In some cases, the temperature of copper contacts can rise up to about 160°C, and conventional greases for copper contacts are no longer able to adequately handle this.
例えば、増稠剤として高級脂肪酸のリチウム塩を含有す
るグリースは、接点の温度が１３０℃〜１６０℃になる
と該リチウム塩が酸化して黒色のタール状固体に変化す
るために、接点間の電気的接触を害する。また低高温ジ
ェットエンジン用として開発されたヒンダードエステル
を基油とする市販のグリース、例えばｒＮｙｅ Ｒｈｅ
ｏｌｕｂｅ ７８９ＤＭ」〔米国、ウィリアム社（ＷＩ
ＬＬＩＡＭ Ｆ。For example, in greases containing lithium salts of higher fatty acids as thickeners, when the temperature of the contacts reaches 130°C to 160°C, the lithium salts oxidize and turn into black tar-like solids. harm personal contact. In addition, commercially available greases based on hindered esters developed for low-temperature jet engines, such as rNye Rhe
olube 789DM” [William Inc. (WI), USA
LLIAM F.
ＮＹＥ、ＩＮＣ，）製〕は一般的には一４０℃〜１５０
℃まで使用可能であるが、銅接点に塗布した場合には、
１４０℃で４０Ｉ４の条件下で銅接点を著しく酸化させ
、その電気的接続性を失わせる。manufactured by NYE, Inc.) is generally -40℃ to 150℃.
It can be used up to ℃, but when applied to copper contacts,
Under 40I4 conditions at 140° C., the copper contacts oxidize significantly and lose their electrical connectivity.
発明が解決しようとする課題
この発明は、低高点（約−４０６Ｃ〜約１６０°Ｃ）お
よび多湿条件下で使用可能なグリースであって、銅接点
を腐食させないだけでなく、それ自体の経時的な変性劣
化に起因する電気的接続不良をもたらさない耐久性に優
れた銅接点用グリースを提供するためになされたもので
ある。Problem to be Solved by the Invention The present invention provides a grease that can be used in low and high points (approximately -406°C to approximately 160°C) and humid conditions, which not only does not corrode copper contacts, but also resists its own aging. This was done in order to provide a grease for copper contacts that has excellent durability and does not cause electrical connection failures due to deterioration due to deterioration.
課題を解決するための手段
即ち、本発明は、ポリオールエステル基油１００重量部
、第４級アンモニウム塩含有粘土鉱物１０〜３０重量部
、第二級芳香族アミン系酸化防止剤０，０５〜３重量部
および金属不活性剤０．０５〜３重量部含有する銅接点
用グリースに関する。Means for solving the problem, that is, the present invention, consists of 100 parts by weight of polyol ester base oil, 10 to 30 parts by weight of quaternary ammonium salt-containing clay mineral, and 0.05 to 3 parts by weight of secondary aromatic amine antioxidant. The present invention relates to a grease for copper contacts containing parts by weight and 0.05 to 3 parts by weight of a metal deactivator.
本発明に使用するポリオールエステルとしては、分子中
に二個以上の水酸基を有する多価アルコール、例えばネ
オペンチルグリコール、トリメチロールプロパンおよび
ペンタエリスリトール（これらの多価アルコールはアル
コール部分のβ位の炭素原子上に水素原子が存在しない
ネオペンチル型であることを特徴としている。）等と直
鎖や分岐型の炭素原子数３〜Ｉ３のカルボン酸又はこれ
らの混合酸等とのエステル化反応によって得られるもの
で、例えばペンタエリスリトールテトラヘキサエートを
はじめペンタエリスリトールと炭素原子数５〜１１の脂
肪酸の混合物とのエステル（ポリオールコンプレックス
エステル）、例えば日本油脂製ユニスターＣ等が挙げら
れるが、ポリオールコンプレックスエステル等が特に好
適である。The polyol ester used in the present invention includes polyhydric alcohols having two or more hydroxyl groups in the molecule, such as neopentyl glycol, trimethylolpropane, and pentaerythritol (these polyols have a carbon atom at the β-position of the alcohol moiety). It is characterized by being a neopentyl type in which no hydrogen atom is present on the top. Examples include pentaerythritol tetrahexaate and esters (polyol complex esters) of mixtures of pentaerythritol and fatty acids having 5 to 11 carbon atoms, such as Unistar C manufactured by NOF Corporation, but polyol complex esters are particularly suitable. suitable.
本発明に使用する上記のポリオールエステル基油には所
望により一般式（１）：
（式中、Ｒ３およびＲ２は分枝鎖を有することもある同
一もしくは異なっていてもよい炭素原子数１０〜２２の
アルキル基を示し、ｍおよびＱは０〜５の整数を示す。The above-mentioned polyol ester base oil used in the present invention may optionally have the general formula (1): represents an alkyl group, and m and Q represent integers of 0 to 5.
但し、６≧ｍ−Ｎ２≧１である。）で表わされるアルキ
ル置換ジフェニルエーテルを０〜５０重量％含有させて
もよく、これによって熱安定性を向上させることかでき
る。However, 6≧m−N2≧1. ) may be contained in an amount of 0 to 50% by weight, thereby improving thermal stability.
本発明に使用する第４級アンモニウム塩含有粘土鉱物と
して特に好適なものとしてはジメチルジオクタデシルア
ンモニウムモンモリロナイト、ジメチルペンチルオクタ
デシルアンモニウムへクトライト、およびこれらの混合
物およびモノアルキルベンジルトリアルキルアンモニウ
ム系化合物等の芳香族アンモニウム化合物含有モンモリ
ロナイト等がある。Particularly suitable clay minerals containing quaternary ammonium salts for use in the present invention include dimethyldioctadecylammonium montmorillonite, dimethylpentyloctadecyl ammonium hectorite, mixtures thereof, and aromatic compounds such as monoalkylbenzyltrialkylammonium compounds. Examples include montmorillonite containing ammonium compounds.
該粘土鉱物の配合量は上記の基油１００重量部に対して
１０〜３０重量部、好ましくは１５〜２５重量部であり
、１０重量部以下ではグリースの粘着性、離油性が低下
し、又、３０重量部以上になると、グリースの滑らかさ
、塗布性、潤滑性の低下を生じる。The content of the clay mineral is 10 to 30 parts by weight, preferably 15 to 25 parts by weight, based on 100 parts by weight of the base oil. If it is less than 10 parts by weight, the tackiness and oil separation properties of the grease will decrease, and If the amount exceeds 30 parts by weight, the smoothness, applicability, and lubricity of the grease will deteriorate.
本発明に使用する第二級芳香族アミンとしてはジフェニ
ルアミン、フェニルナフチルアミン、ジフェニル−ｐ−
フェニレンジアミンおよびジオクチルジフェニルアミン
等が例示され、また、これらの任意の混合物を使用して
もよい。The secondary aromatic amines used in the present invention include diphenylamine, phenylnaphthylamine, diphenyl-p-
Examples include phenylenediamine and dioctyldiphenylamine, and any mixtures thereof may also be used.
該アミンの配合量は上記の基油１００重量部に対して０
．０５〜３重量部、好ましくは０１１〜１０重量部であ
り、０，０５重量部以下では酸化防止剤としての効果が
不充分であり、また、３０重量部以上配合しても酸化防
止としての効果は特に向上しない。The amount of the amine blended is 0 with respect to 100 parts by weight of the above base oil.
．． The amount is 0.05 to 3 parts by weight, preferably 0.11 to 10 parts by weight, and if it is less than 0.05 parts by weight, the antioxidant effect is insufficient, and even if it is added in excess of 30 parts by weight, the antioxidant effect is insufficient. does not particularly improve.
本発明で使用する金属不活性剤としてはベンゾトリアゾ
ール類、チアジアゾール類、Ｎ、Ｎ’−ジサリチリデン
ー１．２−ジアミノプロパン等が例示されるが、ベンゾ
トリアゾール類が好適である。Examples of the metal deactivator used in the present invention include benzotriazoles, thiadiazoles, N,N'-disalicylidene-1,2-diaminopropane, and benzotriazoles are preferred.
金属不活性剤の配合量は上記の基油１００重量部に対し
て０．０５〜３重量部、好ましくは０．１〜０．５重量
部であり、０．０５重量部以下の場合にはその効果は不
充分である。The blending amount of the metal deactivator is 0.05 to 3 parts by weight, preferably 0.1 to 0.5 parts by weight, based on 100 parts by weight of the above base oil, and if the amount is 0.05 parts by weight or less, The effect is insufficient.
また、２重量部以上になるとその防錆効果にいちじるし
い差はみられないばかりか、その他の性能への影響がで
る。Moreover, if the amount exceeds 2 parts by weight, not only will there be no significant difference in the rust-preventing effect, but other performances will be affected.
本発明による銅接点用グリースには上記の成分のほかに
、所望によりさらに常套の添加剤、例えば高分子粘着剤
、流動点降下剤等を適宜配合してもよい。In addition to the above-mentioned components, the grease for copper contacts according to the present invention may optionally contain conventional additives such as polymer adhesives, pour point depressants, etc.
以下、実施例によって本発明を説明する。The present invention will be explained below with reference to Examples.
Ｘ饗鯉上
表−ｌの配合処方によるグリース１を次の様（こして調
製した。Grease 1 having the formulation shown in Table 1 was prepared as follows.
ポリオールコンプレックスエステル
油脂製「ユニスターＣ３３７１Ａｊ）および第４級アン
モニウム塩含有粘土鉱物を充分に撹拌混合した後、極性
溶剤（メチルアルコール）を添加し、さらに混合物が均
質になるまで撹拌を続行し、次いで加熱下で極性溶剤を
除去し、混合物の温度が１００℃になった時点で、ベン
ゾトリアゾールとジフェニルアミンを添加する。After sufficiently stirring and mixing polyol complex ester oil (Unistar C3371Aj) and clay mineral containing quaternary ammonium salt, a polar solvent (methyl alcohol) was added, stirring was continued until the mixture became homogeneous, and then heated. The polar solvent is removed below and when the temperature of the mixture reaches 100°C, benzotriazole and diphenylamine are added.
混合物を室温まで放冷した後、三段ロールを用いる仕上
げ処理に付すことによってグリース１を調製した。Grease 1 was prepared by allowing the mixture to cool to room temperature and then subjecting it to a finishing treatment using a triple roll.
グリースｌの性状を表−１に示す。The properties of Grease 1 are shown in Table 1.
また、グリース！の銅接点用グリースとして種々の性能
を以下の方法によって測定し、結果を表２に示す。Also, Grease! Various performances of the grease for copper contacts were measured by the following methods, and the results are shown in Table 2.
抗をみる。See the resistance.
パフ仕上げした純銅板面上に試料グリースを塗布しく１
０１９／ｅ〜）、該銅板を１６０℃の恒温槽に４２時間
放置して試料接点（１）を調製する。グリースおよび銅
接点の外観を観察した後、試料接点（１）を第１図に示
す構造を有する電気接点シミュレーターにセットし、金
製接触子（２）による接点圧を０〜１００ｇの間の可変
させ、該接触子を試料接点（１）上で摺動させながら、
１ｍＡの通電下において、接触抵抗を測定する。Applying sample grease on the puff-finished pure copper plate surface 1
019/e~), the copper plate is left in a constant temperature bath at 160° C. for 42 hours to prepare a sample contact (1). After observing the appearance of the grease and copper contact, the sample contact (1) was set in an electrical contact simulator having the structure shown in Figure 1, and the contact pressure by the metal contact (2) was varied between 0 and 100 g. while sliding the contact on the sample contact (1),
Contact resistance is measured under a current of 1 mA.
試験（ｉｉ）１６０’ｃｌｏＯＨ後、接点圧４０ｇ−定
摺動しながら接触抵抗をみる。Test (ii) After 160' cloOH, contact resistance was observed while sliding at a constant pressure of 40 g.
パフ仕上げした純銅板に試料グリースを塗布しく ｌ
Ｏ ｘｇ／ ｃ＋ａ”）、該銅板を１６０℃の恒温槽に
１０Ｏ時間放１ｎシて試料接点（１）を調製する。グリ
ースおよび銅接点の外観を観察した後第１図に示す構造
を有する接点シミュレーターにセットし、接触圧４０ｇ
一定でＩＩＩＩＩＥして、試料接点を摺動させながら１
ｍＡ通７ＩＸ下において接触抵抗を測定する。Apply sample grease to a puff-finished pure copper plate.
Prepare a sample contact (1) by leaving the copper plate in a constant temperature bath at 160°C for 10 hours. After observing the appearance of the grease and the copper contact, a contact having the structure shown in Figure 1 was prepared. Set it on the simulator and apply a contact pressure of 40g.
1 while sliding the sample contact at a constant
The contact resistance is measured under 7IX mA.
第１図において、Ｃ’Ｊ）は同期モータを示し、（４は
抵抗計を示す。In FIG. 1, C'J) indicates a synchronous motor, and (4 indicates a resistance meter).
（２）スイッチ耐久性能
テストサンプル；実際の摺動スイッチに類似した摺動ス
イッチとして第２図および第３図に示すテストサンプル
を作成した。第２図はテストサンプルの平面図であり、
第３図は第２図のＡ−Ａ線に沿った断面図である。無機
フィラー配合ナイロン６６製インシュレータ（５）に銅
製固定接点（６）を埋設し、接点開閉部にエアーギャッ
プ（７）を設けて固定子とした。銅製可動接点（８）の
摺動面に試料グリースを塗布する。(2) Switch durability test sample: A test sample shown in FIGS. 2 and 3 was prepared as a sliding switch similar to an actual sliding switch. Figure 2 is a plan view of the test sample;
FIG. 3 is a sectional view taken along line A--A in FIG. 2. A fixed copper contact (6) was embedded in an insulator (5) made of nylon 66 containing an inorganic filler, and an air gap (7) was provided at the contact opening/closing portion to form a stator. Apply sample grease to the sliding surface of the copper movable contact (8).
試験装置二上記の様にして作成したテストサンプルを第
４図に示すモータ（９）に固定されたローターに装着し
、図示する様に荷重を印加し、モータを回転させること
によって所定の負荷を開閉させる（印加電圧：ＤＣ１４
Ｖ、負荷：ランプ１２０Ｗ，負荷開閉速度：１５回／分
）。該開閉テストは１０万回おこなう。エアーギャップ
（７）が介在する領域において、固定接点（６）の縁部
から３間離れた位置におけるインシュレータ（５）の絶
縁抵抗を測定する。Test Apparatus 2 The test sample prepared as described above is attached to the rotor fixed to the motor (9) shown in Fig. 4, a load is applied as shown in the figure, and the specified load is applied by rotating the motor. Open/close (applied voltage: DC14
V, load: lamp 120W, load switching speed: 15 times/min). The opening/closing test is performed 100,000 times. In the area where the air gap (7) exists, the insulation resistance of the insulator (5) is measured at a position 3 spaces away from the edge of the fixed contact (6).
（３）銅接点の腐食性能
パフ仕上げした後、試料グリースを１０ｍ９／ｃｍ″で
塗布した銅板（０ 、７ ｃ＋ｍＸ ７ ｃｍｘ ３
ｍａｄ）を、６０℃で９５％ＲＨの恒温槽中に１２０時
間放置した後、その表面の変色情況を観察すると共に、
接触抵抗を測定する。(3) Corrosion performance of copper contacts Copper plate coated with sample grease at 10 m9/cm after puff finishing (0,7 c+m
mad) was left in a constant temperature bath at 60°C and 95% RH for 120 hours, and the discoloration of its surface was observed.
Measure contact resistance.
接触抵抗は前述の電気接点シミュレータを使用し、通７
Ｈ７１ｉｉＡｔ ｍＡ、接触圧５０ｇの条件下で測定す
る。The contact resistance was measured using the electrical contact simulator mentioned above.
Measured under conditions of H71iiAt mA and contact pressure of 50 g.
実施例２
実施例１の手順に準拠し、表−１に示す配合処方に従っ
てグリース２を調製した。Example 2 Based on the procedure of Example 1, Grease 2 was prepared according to the formulation shown in Table-1.
得られたグリース２の性状を表−１に示ケ。The properties of the obtained Grease 2 are shown in Table 1.
圭た、グリース２の銅接点用グリースとしての種々の性
能を実施例１の場合と同様にして測定し、結果を表−２
に示す。Keita measured various performances of Grease 2 as a grease for copper contacts in the same manner as in Example 1, and the results are shown in Table 2.
Shown below.
比較例１および２
表−１の配合処方によるグリース２°を次の様にして調
製した。Comparative Examples 1 and 2 Grease 2° according to the formulation shown in Table 1 was prepared as follows.
ポリオールコンプレックスエステルおよびステアリン酸
リチウムを充分に撹拌、見合した後、カロ熟下て混合物
の温度が１８５℃になるまで撹拌を続行し、加熱を停止
して撹拌下で冷却し、混合物の温度が１００℃になった
時点でベンゾトリアゾールとノフェニルアミンを添加す
る。After sufficiently stirring and mixing the polyol complex ester and lithium stearate, stirring was continued until the temperature of the mixture reached 185°C, then heating was stopped and the mixture was cooled under stirring until the temperature of the mixture reached 100°C. Once the temperature is reached, benzotriazole and nophenylamine are added.
混合物を室温まで放冷した後、三段ロールを用いる仕上
げ処理に付した。After the mixture was allowed to cool to room temperature, it was subjected to finishing treatment using a triple roll.
また、上記手順に準拠し、表−１に示す配合処方によっ
てグリース２°を調製した。In addition, based on the above procedure, Grease 2° was prepared according to the formulation shown in Table 1.
得られたグリースＩ“および２°の性状を表−１に示す
。The properties of the obtained greases I" and 2° are shown in Table 1.
また、グリース２°および２°の銅接点用グリースとし
ての種々の性能を実施例１の場合と同様にして測定し、
結果を表−２に示す。In addition, various performances of grease 2° and 2° as grease for copper contacts were measured in the same manner as in Example 1,
The results are shown in Table-2.
比較例３
ポリオールエステルを基油とずろとみられている市販品
ｒＮｙｅ Ｒｈｅｏｌｕｂｅ ７８９ ＤＭＪ（Ｗ
ＩＬＬＩＡＭ Ｆ、ＮＹＥ、ＩＮＣ）の種々の性能を
実施例１の場合と同様にして測定し、結果を表−２に示
す（該市販品をグリース３′とする）。Comparative Example 3 Commercial product rNye Rheolube 789 DMJ (W
ILLIAM F, NYE, INC) was measured in the same manner as in Example 1, and the results are shown in Table 2 (the commercial product is referred to as Grease 3').
比較例４〜６
実施例１の手順に準拠し、表−１に示す配合処方によっ
てグリース４°、５°および６°を調製した（これらの
グリースは本発明で使用する金属不活性剤および／また
は第二級芳香族アミン系酸化防止剤を含有せず、ポリオ
ールコンプレックスエステルを基部とするグリースであ
る）。Comparative Examples 4 to 6 Based on the procedure of Example 1, greases 4°, 5°, and 6° were prepared according to the formulation shown in Table 1 (these greases were mixed with the metal deactivator and/or the metal deactivator used in the present invention). or a grease that does not contain a secondary aromatic amine antioxidant and is based on a polyol complex ester).
グリース４°〜６°の性状を表−１に示す。また、これ
らのグリースの銅接点用グリースとしての性能を実施例
１の場合と同様にして測定し、結果を表−２に示す。Table 1 shows the properties of grease 4° to 6°. Furthermore, the performance of these greases as copper contact greases was measured in the same manner as in Example 1, and the results are shown in Table 2.
表−２および第１８図〜第２１図から明らかなように、
特に高温雰囲気１６０℃長時間（１００Ｈ）での銅板の
接触抵抗増大に対して、特定の添加剤の配合の有無が影
響している。As is clear from Table 2 and Figures 18 to 21,
In particular, the presence or absence of a specific additive has an influence on the increase in contact resistance of a copper plate in a high-temperature atmosphere at 160° C. for a long time (100 hours).
発明の効果
本発明によるグリースは低高温（約−４０℃〜約１６０
℃）および多湿条件下で使用可能なだけでなく、銅接点
を腐食させず、また、それ自体の経時的な変性劣化に起
因する電気的接続不良をもたらさない耐久性に優れ、銅
接点用グリースとして好適である。Effects of the Invention The grease according to the present invention can be used at low and high temperatures (about -40°C to about 160°C).
Grease for copper contacts that not only can be used under high humidity conditions (°C) and high humidity, but also has excellent durability and does not corrode copper contacts or cause electrical connection failures due to deterioration and deterioration over time. It is suitable as
第１図は電気接点シュミレータの模式的構成図である。
第２図は摺動スイッチのテストサンプルの平面図である
。
第３図は第２図のＡ−Ａ線に沿った断面図である。
第４図は繰返耐久性能試験装置の模式的断面図である。
第５図はグリースを塗布しない銅接点の接触抵抗の測定
値を示すチャートである。
第６図〜第１１図は試料グリースを塗布した銅接点の接
触抵抗の測定値を示すチャートである。
第１２図〜第１４図は試料グリースを塗布した場合の電
圧降下と耐久回数との関係を示すグラフである。
第１５図〜第１７１１は試料グリースを塗布した場合の
絶縁抵抗と耐久回数との関係を示すグラフである。
第１８図〜第２１閲は試料グリースをや布した銅接点の
接触抵抗の測定値を示ずヂャートである。
（＋）は試料面、（２）は接触子、（３）は同ｊυ１モ
ータ、（４）は抵抗計、（５）はインシュレータ、（６
）は固定接点、（７）はエアーギャップ、（８）は可動
接点、（９）はモータを示す。FIG. 1 is a schematic diagram of the electrical contact simulator. FIG. 2 is a plan view of a test sample of a sliding switch. FIG. 3 is a sectional view taken along line A--A in FIG. 2. FIG. 4 is a schematic cross-sectional view of the repeated durability performance test device. FIG. 5 is a chart showing the measured contact resistance of ungreased copper contacts. FIGS. 6 to 11 are charts showing the measured values of contact resistance of copper contacts coated with sample grease. FIGS. 12 to 14 are graphs showing the relationship between voltage drop and durability when sample grease is applied. 15 to 1711 are graphs showing the relationship between insulation resistance and durability when sample grease is applied. Figures 18 to 21 are charts that do not show the measured values of contact resistance of copper contacts coated with sample grease. (+) is the sample surface, (2) is the contact, (3) is the same jυ1 motor, (4) is the resistance meter, (5) is the insulator, (6
) indicates a fixed contact, (7) indicates an air gap, (8) indicates a movable contact, and (9) indicates a motor.
Claims (1)
ンモニウム塩含有粘土鉱物１０〜３０重量部、第二級芳
香族アミン系酸化防止剤０．０５〜３重量部および金属
不活性剤０．０５〜３重量部含有する銅接点用グリース
。 ２、基油が請求項１記載のポリオールエステル基油の他
に一般式（ I ）： ▲数式、化学式、表等があります▼（ I ） （式中、Ｒ＿１およびＲ＿２は分枝鎖を有することもあ
る同一もしくは異なっていてもよい炭素原子数１０〜２
２のアルキル基を示し、ｍおよびｌは０〜５の整数を示
す。但し、６≧ｍ＋ｌ≧１である。） で表わされるアルキル置換ジフェニルエーテルを０〜５
０重量％含有する請求項１記載のグリース。 ３、金属不活性剤が含窒素複素環化合物である請求項１
記載のグリース。[Claims] 1. 100 parts by weight of polyol ester base oil, 10 to 30 parts by weight of quaternary ammonium salt-containing clay mineral, 0.05 to 3 parts by weight of secondary aromatic amine antioxidant, and metal Grease for copper contacts containing 0.05 to 3 parts by weight of an inert agent. 2. In addition to the polyol ester base oil described in claim 1, the base oil has the general formula (I): ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (I) (In the formula, R_1 and R_2 have a branched chain. 10 to 2 carbon atoms, which may be the same or different
2 represents an alkyl group, and m and l represent integers of 0 to 5. However, 6≧m+l≧1. ) 0 to 5 alkyl-substituted diphenyl ethers represented by
The grease according to claim 1, containing 0% by weight. 3.Claim 1, wherein the metal deactivator is a nitrogen-containing heterocyclic compound.
Grease listed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17258089A JPH0337297A (en) | 1989-07-04 | 1989-07-04 | Grease for use in copper contact |
| US07/798,143 US5405543A (en) | 1989-07-04 | 1991-11-26 | Grease for copper contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17258089A JPH0337297A (en) | 1989-07-04 | 1989-07-04 | Grease for use in copper contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337297A true JPH0337297A (en) | 1991-02-18 |
Family
ID=15944480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17258089A Pending JPH0337297A (en) | 1989-07-04 | 1989-07-04 | Grease for use in copper contact |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007204547A (en) * | 2006-01-31 | 2007-08-16 | Kyodo Yushi Co Ltd | Grease composition for electric contact |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5253178A (en) * | 1975-10-27 | 1977-04-28 | Hitachi Ltd | Lubricating grease composition |
| JPS5755997A (en) * | 1980-09-22 | 1982-04-03 | Hitachi Ltd | Rust-proofing lubricating grease composition |
| JPS62270698A (en) * | 1986-05-19 | 1987-11-25 | Kyodo Yushi Kk | Grease for electronic equipment |
| JPH01152197A (en) * | 1987-12-08 | 1989-06-14 | Tokai Rika Co Ltd | Conductive grease for sliding switch |
| JPH01152196A (en) * | 1987-12-08 | 1989-06-14 | Tokai Rika Co Ltd | Grease for sliding contact |
-
1989
- 1989-07-04 JP JP17258089A patent/JPH0337297A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5253178A (en) * | 1975-10-27 | 1977-04-28 | Hitachi Ltd | Lubricating grease composition |
| JPS5755997A (en) * | 1980-09-22 | 1982-04-03 | Hitachi Ltd | Rust-proofing lubricating grease composition |
| JPS62270698A (en) * | 1986-05-19 | 1987-11-25 | Kyodo Yushi Kk | Grease for electronic equipment |
| JPH01152197A (en) * | 1987-12-08 | 1989-06-14 | Tokai Rika Co Ltd | Conductive grease for sliding switch |
| JPH01152196A (en) * | 1987-12-08 | 1989-06-14 | Tokai Rika Co Ltd | Grease for sliding contact |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007204547A (en) * | 2006-01-31 | 2007-08-16 | Kyodo Yushi Co Ltd | Grease composition for electric contact |
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