JP3001172B2 - Lubricating film forming type coating agent for sliding members - Google Patents
Lubricating film forming type coating agent for sliding membersInfo
- Publication number
- JP3001172B2 JP3001172B2 JP14683893A JP14683893A JP3001172B2 JP 3001172 B2 JP3001172 B2 JP 3001172B2 JP 14683893 A JP14683893 A JP 14683893A JP 14683893 A JP14683893 A JP 14683893A JP 3001172 B2 JP3001172 B2 JP 3001172B2
- Authority
- JP
- Japan
- Prior art keywords
- lubricating film
- film forming
- solid lubricant
- type coating
- forming type
- 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.)
- Expired - Fee Related
Links
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- Lubricants (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、自動車駆
動系や原動機系のトルク伝達部位に使用されている摺動
部材に適用される摺動部材用潤滑被膜形成型被覆剤に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating film forming coating for a sliding member applied to a sliding member used for a torque transmitting portion of, for example, an automobile driving system or a prime mover system.
【０００２】[0002]
【従来技術】被覆剤を適用することにより、摺動部材に
潤滑被膜を形成させる場合、従来、該被覆剤は、バイン
ダーとして耐油性および耐熱性の優れたポリアミドイミ
ド樹脂、エポキシ樹脂あるいはフェノール樹脂に固体潤
滑剤として二硫化モリブデン、グラファイト微粉末ある
いは、カーボンファイバーなどを分散させた摺動部材用
潤滑被膜形成型被覆剤が適用されてきたが、耐荷重性、
耐摩耗性に限界があり、また、目的に合致した摩耗係数
を得ることができず、応用分野が限られていた。このた
め、ニーズの多様化に、あるいは顧客の厳しい要求に充
分対応できなくなってきている。2. Description of the Related Art When a lubricating film is formed on a sliding member by applying a coating material, the coating material has conventionally been used as a binder with a polyamideimide resin, an epoxy resin or a phenol resin having excellent oil resistance and heat resistance. As a solid lubricant, molybdenum disulfide, graphite fine powder, or a lubricating film forming type coating material for sliding members in which carbon fiber or the like is dispersed has been applied.
The wear resistance is limited, and a wear coefficient that meets the purpose cannot be obtained, so that the application field is limited. For this reason, it has become difficult to sufficiently respond to diversifying needs or strict requirements of customers.
【０００３】[0003]
【発明が解決しようとする課題】本発明の目的は、摺動
部材に被覆して、所定の摩擦係数をクリアーしたうえ
で、耐荷重性、耐摩耗性、耐熱性にすぐれた潤滑被膜を
形成する摺動部材用潤滑被膜形成型被覆剤を提供する点
にある。SUMMARY OF THE INVENTION An object of the present invention is to form a lubricating film having excellent load resistance, abrasion resistance and heat resistance after coating a sliding member so as to clear a predetermined coefficient of friction. To provide a lubricating film forming type coating agent for a sliding member.
【０００４】[0004]
【課題を解決するための手段】本発明は、固体潤滑剤、
ポリアミドイミドおよびポリイミドよりなる群から選ば
れた少なくとも１種の熱硬化性樹脂及び溶剤を含む摺動
部材用潤滑被膜形成型被覆剤であって、該固体潤滑剤の
該熱硬化性樹脂に対する体積比が０．１以上２．０以下
の範囲にあり、該固体潤滑剤がメタリン酸塩、二リン酸
塩（ピロリン酸塩）、三リン酸塩（トリポリリン酸
塩）、亜リン酸塩、二亜リン酸塩、次亜リン酸塩および
リン化鉄よりなる群から選ばれた少なくとも１種のリン
化合物を含有することを特徴とする摺動部材用潤滑被膜
形成型被覆剤に関する。SUMMARY OF THE INVENTION The present invention provides a solid lubricant,
What is claimed is: 1. A lubricating film forming type coating material for a sliding member, comprising a solvent and at least one thermosetting resin selected from the group consisting of polyamideimide and polyimide, wherein a volume ratio of the solid lubricant to the thermosetting resin is Is in the range of 0.1 to 2.0, and the solid lubricant is a metaphosphate, diphosphate (pyrophosphate), triphosphate (tripolyphosphate), phosphite, The present invention relates to a lubricating film forming coating for a sliding member, comprising at least one phosphorus compound selected from the group consisting of phosphate, hypophosphite and iron phosphide.
【０００５】メタリン酸塩の具体的例としては、Ｐ
Ｏ3 -、Ｐ3Ｏ9 3-又はＰ4Ｏ12 4-などと金属からなるリン
酸塩が挙げられる。好適には、（ＮａＰＯ3）ｎ、Ｋ3Ｐ
3Ｏ9、Ｋ2Ｎａ2（Ｐ4Ｏ12）等を挙げることができる
が、メタリン酸塩であれば格別な制限はない。二リン酸
塩（ピロリン酸塩）の具体例としては、Ｐ2Ｏ7 4-と金属
からなるリン酸塩が挙げられる。好適には、Ｃａ2Ｐ2Ｏ
7、Ｐｂ2Ｐ2Ｏ7、Ｆｅ4（Ｐ2Ｏ7）3、Ｚｎ2Ｐ2Ｏ7等を
挙げることができるが、二リン酸塩であれは、格別な制
限はない。三リン酸塩（トリポリリン酸塩）の具体例と
しては、Ｐ3Ｏ10 5-と金属からなるリン酸塩を挙げるこ
とができる。好適には、Ｚｎ5（Ｐ3Ｏ10）2、Ｎａ5Ｐ3
Ｏ10等が挙げられるが、三リン酸塩であれば、格別な制
限はない。亜リン酸塩の具体例としては、ＰＨＯ2-と金
属からなるリン酸塩を挙げることができる。好適には、
ＺｎＨＰＯ3、ＰｂＨＰＯ3などを挙げることができる
が、亜リン酸塩であれば、格別な制限はない。二亜リン
酸塩（ピロ亜リン酸塩）の具体例としては、Ｐ2Ｈ2Ｏ5
2-と金属からなるリン酸塩を挙げることができる。好適
には、Ｎａ2Ｐ2Ｈ2Ｏ5等を挙げることができるが、二亜
リン酸塩であれば格別な制限はない。次亜リン酸塩の具
体例としては、ＰＨ2Ｏ2 -と金属からなるリン酸塩を挙
げることができる。好適には、ＮａＰＨ2Ｏ2等を挙げる
ことができるが、次亜リン酸塩であれば、格別な制限は
ない。リン化鉄とは、リンと鉄の化合物であれば特に
は、限定されるものではなく、具体的にはＦｅ2Ｐ等を
挙げることができる。本発明においては、これらリン化
合物を単独または併用して使用する。[0005] Specific examples of metaphosphates include P
Phosphates comprising a metal such as O 3 − , P 3 O 9 3− or P 4 O 12 4− are exemplified. Preferably, (NaPO 3 ) n, K 3 P
Examples include 3 O 9 and K 2 Na 2 (P 4 O 12 ), but there is no particular limitation as long as it is a metaphosphate. Specific examples of diphosphates (pyrophosphates) include phosphates composed of P 2 O 7 4- and a metal. Preferably, Ca 2 P 2 O
7 , Pb 2 P 2 O 7 , Fe 4 (P 2 O 7 ) 3 , Zn 2 P 2 O 7, etc., but there is no particular limitation as long as it is a diphosphate. Specific examples of the triphosphate (tripolyphosphate) include a phosphate made of P 3 O 10 5- and a metal. Preferably, Zn 5 (P 3 O 10 ) 2 , Na 5 P 3
O 10 and the like, but if triphosphate, it is not particularly limit. Specific examples of the phosphite include a phosphate composed of PHO 2− and a metal. Preferably,
Examples include ZnHPO 3 and PbHPO 3 , but there is no particular limitation as long as it is a phosphite. Specific examples of the diphosphite (pyrophosphite) include P 2 H 2 O 5
Phosphates consisting of 2- and metal can be mentioned. Preferably, Na 2 P 2 H 2 O 5 and the like can be mentioned, but there is no particular limitation as long as it is a diphosphite. Specific examples of hypophosphites include phosphates composed of PH 2 O 2 — and a metal. Preferably, NaPH 2 O 2 and the like can be mentioned, but there is no particular limitation as long as it is a hypophosphite. Iron phosphide is not particularly limited as long as it is a compound of phosphorus and iron, and specific examples include Fe 2 P. In the present invention, these phosphorus compounds are used alone or in combination.
【０００６】また、これらのリン化合物とともに、他の
固体潤滑剤を併用することも可能である。しかしなが
ら、この場合、固体膨潤剤中リン化合物は、体積％で５
％以上１００％以下の範囲で含むものであり、好適には
１０％以上１００％以下の範囲が好ましい。この固体潤
滑剤としては、通常使用される固体潤滑剤を単独でまた
は２種以上を混合して使用される。但しポリ四フッ化エ
チレン樹脂（ＰＴＦＥ）は、焼付け荷重性を低下させる
ので好ましくない。好適に使用される固体潤滑剤として
は、二硫化モリブデン、グラファイト、二硫化タングス
テン、窒化ホウ素、雲母、三酸化アンチモンから選ばれ
る１種以上の固体潤滑剤が挙げられる。このうち、特に
好適には二硫化モリブデン、グラファイト、二硫化タン
グステン、窒化ホウ素から選ばれた１種以上の固体潤滑
剤が使用される。最も好適には、二硫化モリブデン、グ
ラファイトから選ばれた固体潤滑剤又は両者を混合した
固体潤滑剤が使用される。It is also possible to use other solid lubricants together with these phosphorus compounds. However, in this case, the phosphorus compound in the solid swelling agent is 5% by volume.
% To 100%, preferably 10% to 100%. As the solid lubricant, a commonly used solid lubricant is used alone or in combination of two or more. However, polytetrafluoroethylene resin (PTFE) is not preferred because it reduces the baking loadability. The solid lubricant preferably used includes at least one solid lubricant selected from molybdenum disulfide, graphite, tungsten disulfide, boron nitride, mica, and antimony trioxide. Of these, one or more solid lubricants selected from molybdenum disulfide, graphite, tungsten disulfide, and boron nitride are particularly preferably used. Most preferably, a solid lubricant selected from molybdenum disulfide and graphite or a solid lubricant obtained by mixing both is used.
【０００７】本発明に使用される熱硬化性樹脂は、耐熱
性を有するポリアミドイミド樹脂および／またはポリイ
ミド樹脂である。The thermosetting resin used in the present invention is a polyamideimide resin and / or a polyimide resin having heat resistance.
【０００８】本発明においては、リン化合物を含む固体
膨潤剤と熱硬化性樹脂の体積比が０．１以上２．０以下
であることが必要である。この値が０．１未満の場合、
樹脂被膜が形成され、耐荷重性が弱くなる。２．０を超
える場合は、潤滑被膜の耐摩耗性が弱くなる。好適に
は、０．２〜１．８が選択される。In the present invention, it is necessary that the volume ratio between the solid swelling agent containing a phosphorus compound and the thermosetting resin is from 0.1 to 2.0. If this value is less than 0.1,
A resin film is formed, and the load resistance becomes weak. If it exceeds 2.0, the wear resistance of the lubricating coating will be weak. Preferably, 0.2 to 1.8 is selected.
【０００９】本発明の摺動部材用潤滑被膜形成型被覆剤
に使用される溶剤については、固体潤滑剤およびポリア
ミドイミドやポリイミドを溶解するものである必要があ
り、チッ素系溶剤例えば、Ｎメチル２ピロリドン等が挙
げられる。本発明の摺動部材用潤滑被膜形成型被覆剤に
おいては、固形分（固体潤滑剤および樹脂）に対して溶
剤が体積比で１：１以上の量で配合される必要がある。
溶剤量がこの比率以下であると好適な潤滑被膜を形成す
ることが難しくなる。本発明の摺動部材用潤滑被膜形成
型被覆剤を用いて摺動部材等の基材に、潤滑被膜を形成
する方法としては、基材を本発明の摺動部材用潤滑被膜
形成型被覆剤に浸漬塗布する方法、基材に本発明の摺動
部材用潤滑被膜形成型被覆剤をスプレーする方法、また
スクリーン印刷による方法等があるが、これらに限定さ
れるものではない。本発明の摺動部材用潤滑被膜形成型
被覆剤により、潤滑被膜が形成される対象物に関して
は、格別な限定はないが、鉄系の基材に潤滑被膜を形成
させた場合、特に耐荷重性に優れた摺動部材を得ること
ができる。本発明の摺動部材用潤滑被膜形成型被覆剤に
より潤滑被膜が形成される対象物の好適な例としては、
炭素鋼、耐熱耐食鋳鋼、鋳造用耐熱耐食合金、鉄系焼結
金属、銅溶浸鉄系焼結金属、鉄系焼結鍛造金属などを挙
げることができるが、これらに限定されるものではな
い。The solvent used in the lubricating film forming type coating material for the sliding member of the present invention must be one that dissolves a solid lubricant and polyamideimide or polyimide. 2-pyrrolidone and the like. In the lubricating film forming type coating material for a sliding member of the present invention, the solvent needs to be blended in a volume ratio of 1: 1 or more with respect to the solid content (solid lubricant and resin).
If the amount of the solvent is less than this ratio, it becomes difficult to form a suitable lubricating coating. As a method for forming a lubricating film on a base material of a sliding member or the like using the lubricating film forming type coating material for a sliding member of the present invention, the base material is coated with the lubricating film forming type coating material for a sliding member of the present invention. , A method of spraying a coating material for forming a lubricating film for a sliding member of the present invention on a substrate, a method of screen printing, and the like, but are not limited thereto. With respect to the object on which the lubricating film is formed by the lubricating film forming type coating material for a sliding member of the present invention, there is no particular limitation. A sliding member having excellent properties can be obtained. Preferable examples of the object on which a lubricating film is formed by the lubricating film forming type coating agent for a sliding member of the present invention include:
Examples include, but are not limited to, carbon steel, heat-resistant corrosion-resistant cast steel, heat-resistant corrosion-resistant alloy for casting, iron-based sintered metal, copper-infiltrated iron-based sintered metal, iron-based sintered forged metal, and the like. .
【００１０】本発明は、リン化合物の使用により優れた
耐荷重性と低摩擦係数が得られるものであるが、これ
は、潤滑被膜中のリン化合物が接触した部材表面に膜構
造を形成することに基因するものと考えられる。また、
固体潤滑剤として、リン化合物と他の固体潤滑剤を併用
することにより、より優れた耐荷重性が得られ、また、
リン化合物と他の固体潤滑剤の配合比を調整することに
より、摩擦係数および耐荷重性など目的、用途に応じた
潤滑性被膜を形成することができる。In the present invention, the use of a phosphorus compound provides excellent load bearing capacity and a low coefficient of friction. This is because a phosphorus compound in a lubricating coating forms a film structure on the surface of a member in contact with the phosphorus compound. It is considered to be due to Also,
As a solid lubricant, by using a phosphorus compound and another solid lubricant in combination, more excellent load bearing capacity is obtained,
By adjusting the mixing ratio of the phosphorus compound and the other solid lubricant, a lubricating film can be formed according to the purpose and application such as the coefficient of friction and the load resistance.
【００１１】[0011]
【実施例】固体潤滑剤として毒性の少ない亜リン酸鉛
（ＰｂＨＰＯ3）、ピロリン酸亜鉛（Ｚｎ2Ｐ2Ｏ7）又は
リン化鉄（Ｆｅ2Ｐ）に摺動性の良い二硫化モリブデ
ン、グラファイトを配合したもの、バインダーとして耐
熱性の優れるポリアミドイミド樹脂および溶剤を表１〜
３に示す割合で配合し、粉砕混合を行った後、サンドブ
ラスト法により表面調整されたＳＣ材試験リングに８〜
１２μの厚みを塗布、焼付硬化（１８０℃で９０分）を
行ったものを試験片とした。試験リングの相手材とブロ
ックは、無処理とした。試験は、ファレックス社製ＬＥ
Ｗ−１試験機を用いて行った。試験条件を表４に示す。
その結果を表５に示す。摩擦係数の測定は、３０Ｌｂｓ
の荷重下において測定した。 （以下余白）DESCRIPTION OF THE PREFERRED EMBODIMENTS As a solid lubricant, molybdenum disulfide, which has good slidability, is used for less toxic lead phosphite (PbHPO 3 ), zinc pyrophosphate (Zn 2 P 2 O 7 ) or iron phosphide (Fe 2 P). Those containing graphite, polyamideimide resin and solvent having excellent heat resistance as a binder are shown in Tables 1 to 4.
After mixing at a ratio shown in No. 3 and pulverizing and mixing, 8 to 8 SC test rings whose surfaces were adjusted by sandblasting were used.
A test piece having a thickness of 12 μm applied and baked and cured (at 180 ° C. for 90 minutes) was used. The mating material and block of the test ring were not treated. The test was performed by Falex LE
This was performed using a W-1 tester. Table 4 shows the test conditions.
Table 5 shows the results. Measurement of friction coefficient is 30Lbs
Was measured under the following load. (Below)
【００１２】[0012]
【表１】 [Table 1]
【００１３】[0013]
【表２】 [Table 2]
【００１４】[0014]
【表３】 [Table 3]
【００１５】[0015]
【表４】 [Table 4]
【００１６】[0016]
【表５】 [Table 5]
【００１７】[0017]
【発明の効果】本発明のものは、耐荷重性においてリン
化合物を用いない場合に比べ、約３〜７倍の効果を有す
る。また、摩擦係数においても、本発明のものは、リン
化合物を用いない場合と同様に低い値を示し、優れた耐
荷重性と低い摩擦係数を同時に満足させることができ、
特に、高面圧下の状態でも低い摩擦係数を保つことがで
きるという特徴を有する。According to the present invention, the load bearing capacity is approximately 3 to 7 times as effective as when no phosphorus compound is used. Further, also in the coefficient of friction, the thing of the present invention shows a low value as in the case where the phosphorus compound is not used, and can simultaneously satisfy excellent load resistance and a low coefficient of friction,
In particular, it has a feature that a low coefficient of friction can be maintained even under a high surface pressure.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｃ１０Ｎ 40:02 50:02 (72)発明者 山下 二郎 神奈川県足柄上郡大井町金子1458−11 (56)参考文献 特開 昭56−10597（ＪＰ，Ａ) 特開 昭62−45662（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C10M 107/30 - 107/44 C10M 125/24 C10N 40:02 C10N 50:02 ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 7 Identification code FI C10N 40:02 50:02 (72) Inventor Jiro Yamashita 1458-11 Kaneko, Oimachi, Ashigara-gun, Kanagawa Prefecture (56) References JP-A Sho 56-10597 (JP, A) JP-A-62-45662 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) C10M 107/30-107/44 C10M 125/24 C10N 40: 02 C10N 50:02
Claims (2)
リイミドよりなる群から選ばれた少なくとも１種の熱硬
化性樹脂及び溶剤を含む摺動部材用潤滑被膜形成型被覆
剤であって、該固体潤滑剤の該熱硬化性樹脂に対する体
積比が０．１以上２．０以下の範囲にあり、該固体潤滑
剤がメタリン酸塩、二リン酸塩（ピロリン酸塩）、三リ
ン酸塩（トリポリリン酸塩）、亜リン酸塩、二亜リン酸
塩、次亜リン酸塩およびリン化鉄よりなる群から選ばれ
た少なくとも１種のリン化合物を含有することを特徴と
する摺動部材用潤滑被膜形成型被覆剤。1. A lubricating film forming type coating material for a sliding member, comprising a solid lubricant, at least one thermosetting resin selected from the group consisting of polyamide imide and polyimide, and a solvent, wherein the solid lubricant Wherein the volume ratio to the thermosetting resin is in the range of 0.1 to 2.0, and the solid lubricant is a metaphosphate, diphosphate (pyrophosphate), triphosphate (tripolyphosphate). ), Forming at least one phosphorus compound selected from the group consisting of phosphite, diphosphite, hypophosphite and iron phosphide Mold coating.
積％で５％以上１００％以下の範囲で含む請求項１記載
の摺動部材用潤滑被膜形成型被覆剤。2. The lubricating film forming type coating material for a sliding member according to claim 1, wherein the solid lubricant contains the phosphorus compound in a range of 5% to 100% by volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14683893A JP3001172B2 (en) | 1993-05-26 | 1993-05-26 | Lubricating film forming type coating agent for sliding members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14683893A JP3001172B2 (en) | 1993-05-26 | 1993-05-26 | Lubricating film forming type coating agent for sliding members |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06330064A JPH06330064A (en) | 1994-11-29 |
| JP3001172B2 true JP3001172B2 (en) | 2000-01-24 |
Family
ID=15416676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14683893A Expired - Fee Related JP3001172B2 (en) | 1993-05-26 | 1993-05-26 | Lubricating film forming type coating agent for sliding members |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3001172B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830815B2 (en) * | 2002-04-02 | 2004-12-14 | Ford Motor Company | Low wear and low friction coatings for articles made of low softening point materials |
-
1993
- 1993-05-26 JP JP14683893A patent/JP3001172B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06330064A (en) | 1994-11-29 |
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