JP2002053889A - 防錆性および耐摩耗性が改良されたグリース組成物 - Google Patents
防錆性および耐摩耗性が改良されたグリース組成物Info
- Publication number
- JP2002053889A JP2002053889A JP2000242911A JP2000242911A JP2002053889A JP 2002053889 A JP2002053889 A JP 2002053889A JP 2000242911 A JP2000242911 A JP 2000242911A JP 2000242911 A JP2000242911 A JP 2000242911A JP 2002053889 A JP2002053889 A JP 2002053889A
- Authority
- JP
- Japan
- Prior art keywords
- grease composition
- grease
- sodium thiosulfate
- calcium
- benzotriazole
- 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
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Abstract
極圧性を十分に維持しつつ、錆の発生を抑制するととも
に耐摩耗性をも向上させたグリース組成物の提供。 【解決手段】 チオ硫酸ソーダを0.05〜30重量%
含有したグリース組成物において、(A)カルシウムサ
リシレート、マグネシウムサリシレート、カルシウムフ
ェネートおよびカルシウムスルフォネートよりなる群か
ら選ばれた少なくとも1種類の添加剤を全組成物に対し
0.1〜5重量%および必要に応じて(B)ベンゾトリ
アゾールを全組成物に対し0.1〜5重量%配合したこ
とを特徴とするグリース組成物。
Description
含有する防錆性および耐摩耗性が改良されたグリース組
成物に関する。
装置の軸受、歯車などには、耐摩耗性や耐荷重性に優れ
た極圧グリースが多く使用されている。
しては、各種グリースに硫化オレフィン、硫化油脂、硫
黄−リン系極圧剤、二硫化モリブデン、有機モリブデン
化合物、鉛化合物、ジチオリン酸亜鉛などの添加剤を含
有したものが代表的極圧グリース組成物である。
90号公報、特開平11−35965号公報およびUS
P4,923,625号明細書にチオ硫酸ソーダを含有
した極圧性に優れるグリース組成物が開示されている。
が充分でなく、またチオ硫酸ソーダが吸湿性を有するこ
とから錆を誘発する可能性があった。特に、鉄鋼設備や
食品機械の軸受、歯車などは多量の水と接触した条件下
で潤滑されるため錆の発生が促進され、潤滑上の問題を
生じやすい。
硫酸ソーダを含有するグリース組成物の極圧性を十分に
維持しつつ、錆の発生を抑制するとともに耐摩耗性をも
向上させたグリース組成物を提供する点にある。
ソーダを含有する各種グリースに添加剤を加え、防錆試
験や四球試験を行い、限定した添加剤が錆の発生防止お
よび耐摩耗性の向上に顕著な効果があることを見出し、
本発明を完成するに至った。
ダを0.05〜30重量%含有したグリース組成物にお
いて、(A)カルシウムサリシレート、マグネシウムサ
リシレート、カルシウムフェネートおよびカルシウムス
ルフォネートよりなる群から選ばれた少なくとも1種類
の添加剤を全組成物に対し0.1〜5重量%配合したこ
とを特徴とするグリース組成物に関する。
アゾール系化合物を全組成物に対し0.1〜5重量%配
合した請求項1記載のグリース組成物に関する。
としてウレア系化合物、リチウム石けん、リチウム複合
石けんおよびアルミニウム複合石けんのいずれのものも
単独または混合して使用できる。なお、ウレア系化合物
としては、ウレア結合をもつ化合物のほか、ウレア結合
とウレタン結合の両方を含む化合物であってもよいこと
は当然である。
油およびエステル油、エーテル油、炭化水素油等の合成
油またはそれらの混合油を用いることができる。
は、Na2S2O3(無水)、Na2S2O3・5H2
O(五水和物)またはそれらの混合物を使用できる。ま
た、チオ硫酸ソーダを含む市販の添加剤(たとえばDe
silube88,Desilube Technol
ogy,Inc.USA)も使用できる。
いて金属中の鉄と反応し、化学結合によって生成した層
がグリースの金属接触を防ぎ、また同時に上述したこれ
らの添加剤の相乗効果によって金属表面により強く吸着
して、強固な皮膜を形成し、錆発生や摩耗を防止してい
ると推測される。
グネシウムサリシレート、カルシウムフェネート、カル
シウムスルフォネートよりなる群から選ばれた少なくと
も1種類の添加剤および前記(B)のベンゾトリアゾー
ル系化合物の添加量は、全グリース組成物に対してそれ
ぞれ0.1〜5重量%、好ましくは0.2〜3重量%で
ある。前記(A)の添加剤が、0.1重量%未満の場合
には、錆抑制効果が不十分であり、前記(B)の添加剤
が、0.1重量%未満の場合には、耐摩耗性の向上効果
が不十分である。またこれらの添加剤が、それぞれ5重
量%を超えても効果の一層の増大はない。
の例としては、1,2,3−ベンゾトリアゾール、2−
(2′−ヒドロキシ−5′−メチルフエニル)−ベンゾ
トリアゾール、2−〔2′−ヒドロキシ−3′−
(3″,4″,5″,6″−テトラヒドロフタルイミド
−メチル)−5′−メチルフェニル〕−ベンゾトリアゾ
ール、2−(2′−ヒドロキシ−3′,5′−ジt−ブ
チル−フェニル)−ベンゾトリアゾール、2−(2′−
ヒドロキシ−5′−t−オクチル−フェニル)−ベンゾ
トリアゾール、2−(2′−ヒドロキシ−3′,5′−
ジt−アミル−フェニル)−ベンゾトリアゾール、2−
〔2−ヒドロキシ−3,5−ビス(α,α−ジメチルベ
ンジル)フェニル〕−2H−ベンゾトリアゾール、2−
(2′−ヒドロキシ−3′−ウンデシル−5′−メチル
−フェニル)−ベンゾトリアゾールなどを挙げることが
できる。
ール系などの酸化防止剤、硫化オレフィンや硫化油脂な
どの極圧添加剤、フォスファイトやフォスフエートなど
の極圧/耐摩耗剤、ポリブデンやポリメタクリレートな
どの増粘剤、二硫化モリブデンや窒化ホウ素などの固体
潤滑剤、あるいはその他の各種添加剤を配合することが
できる。
説明するが、本発明はこれにより何ら限定されるもので
はない。
スに前記(A)および(B)に相当する添加剤あるいは
その他の添加剤を加え、三本ロールミルで処理し、実施
例と比較例のグリースを得た。基グリースの組成は、次
に示すとおりである。
00g)中でジフェニルメタン−4,4′−ジイソシア
ネート(295.2g)とオクチルアミン(304.8
g)を反応させ、生成したウレア系化合物を均一に分散
して、ちょう度(25℃、60W)289、滴点263
℃のウレア系基グリースを得た。ウレア系化合物の含有
量は、10重量%である。
00g)中で12−ヒドロキシステアリン酸リチウム
(600g)を溶解し、均一に分散することにより、ち
ょう度(25℃、60W)268、滴点199℃の性状
を有するリチウム石けん系基グリースを得た。リチウム
石けんの含有量は、10重量%である。
65g)中で12−ヒドロキシステアリン酸350gを
水酸化リチウム50.5gと反応させた後、アゼライン
酸120.65gを水酸化リチウム59.0gと反応さ
せ、均一に分散処理することにより、ちょう度(25
℃、60W)281、滴点259℃の性状を有するリチ
ウム複合石けん系基グリースを得た。リチウム複合石け
んの含有量は、10.4重量%である。
72g)中に安息香酸158.22gとステアリン酸3
34.8gを溶解し、その後市販の環状アルミニウムオ
キサイドプロピレート潤滑液〔商品名:川研ファインケ
ミカル(株)製アルゴマー〕を加えて反応を行い、生成
した石けんを均一に分散処理して、ちょう度(25℃、
60W)279、滴点258℃のアルミニウム複合石け
ん系基グリースを得た。アルミニウム複合石けんの含有
量は、11重量%となるようにした。また、安息香酸
(BA)とステアリン酸(FA)のモル比をBA/FA
=1.1および安息香酸とステアリン酸に対するアルミ
ニウム(Al)のモル比を(BA+FA)/Al=1.
9とした。
試験)、四球試験(EP試験および耐摩耗試験)を行
い、防錆性、極圧性および耐摩耗性を確認した。
される試験片に片面の塗布量が0.30±0.05gに
なるように試験片全面に試料を均一に塗布した。グリー
スを塗布した鋼板を、温度49℃、相対湿度95%以上
の湿潤箱内につり下げ、2週間後の錆発生度をJIS
K2246の等級で表示した。 等級 錆発生度% A級 0 B級 1〜10 C級 11〜25 D級 26〜50 E級 51〜100
重(N)を調べた。
の摩耗痕径(mm)を測定した。 試験条件 回転数 1200±50rpm 温 度 75±1.7℃ 荷 重 40±0.2Kgf(392±2N) 時 間 60±1 min
ある。
be Technology,Inc.の商品名であ
り、チオ硫酸ソーダを含んだ無機のS−P系添加剤であ
る。
SAP001*2はInfeneum Ltd.の商品
名であり、カルシウムサリシレートのことである。SA
P007*3はInfeneum Ltd.の商品名で
あり、マグネシウムサリシレートのことである。OLO
A219*4はオロナイト ジャパン(株)の商品名で
あり、カルシウムフェネートのことである。NA−SU
L729*5はKING INDUSTRIES,IN
C.の商品名であり、カルシウムスルフォネートのこと
である。
BT−120*6は城北化学(株)の商品名であり、
1,2,3−ベンゾトリアゾールのことである。
る。NA−SUL ZS*7はKING INDUST
RIES,INC.の商品名であり、ジンクスルフォネ
ートのことである。Dailube Z−500*8は
大日本インキ化学工業(株)の商品名であり、ナフテン
酸亜鉛のことである。NA−SUL SS*9はKIN
G INDUSTRIES,INC.の商品名であり、
ナトリウムスルフォネートのことである。NA−SUL
707*10はKING INDUSTRIES,I
NC.の商品名であり、リチウムスルフォネートのこと
である。
18の比較例から明らかなように、チオ硫酸ソーダを配
合したグリース組成物に前記(A)の添加剤を添加した
グリース組成物は優れた極圧性を有しており、かつ錆止
め性能が大幅に向上している。またチオ硫酸ソーダを配
合したグリース組成物に前記(A)の添加剤と前記
(B)のベンゾトリアゾール系化合物を添加したグリー
ス組成物は優れた極圧性、防錆性に加えて優れた耐磨耗
性を有する。特にウレアグリース、リチウム石けんグリ
ースおよびリチウム複合石けんグリースにおいては耐摩
耗性の向上が顕著である。また、チオ硫酸ソーダは食品
添加剤として古くから認められているほか、万能の解毒
剤としても知られているものであるから、人体にやさし
く、ひいては地球環境にもやさしい添加物である。した
がって、本発明は、環境への適合性に極めて優れたグリ
ース組成物である。
Claims (5)
- 【請求項1】 チオ硫酸ソーダを0.05〜30重量%
含有したグリース組成物において、(A)カルシウムサ
リシレート、マグネシウムサリシレート、カルシウムフ
ェネートおよびカルシウムスルフォネートよりなる群か
ら選ばれた少なくとも1種類の添加剤を全組成物に対し
0.1〜5重量%配合したことを特徴とするグリース組
成物。 - 【請求項2】 さらに(B)ベンゾトリアゾール系化合
物を全組成物に対し0.1〜5重量%配合した請求項1
記載のグリース組成物。 - 【請求項3】 増ちょう剤がウレア系化合物である請求
項1または請求項2記載のグリース組成物。 - 【請求項4】 増ちょう剤がリチウム石けんまたはリチ
ウム複合石けんである請求項1または請求項2記載のグ
リース組成物。 - 【請求項5】 増ちょう剤がアルミニウム複合石けんで
ある請求項2記載のグリース組成物。
Priority Applications (18)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000242911A JP4634585B2 (ja) | 2000-08-10 | 2000-08-10 | 防錆性および耐摩耗性が改良されたグリース組成物 |
ARP010103788A AR032630A1 (es) | 2000-08-10 | 2001-08-08 | Una composicion de grasa que comprende un aceite base y un espesante, uso de la misma y un metodo para prepararla |
AU2001279815A AU2001279815B2 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
JP2002561248A JP2004518014A (ja) | 2000-08-10 | 2001-08-10 | 防錆性及び耐摩耗性を改良したグリース組成物 |
CZ2003373A CZ295732B6 (cs) | 2000-08-10 | 2001-08-10 | Mazadlová kompozice se zlepšenou ochranou proti korozi a vlastnostmi způsobujícími odolnost proti oděru |
HU0302687A HUP0302687A3 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
US10/344,494 US6800595B2 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
KR1020037001912A KR100787403B1 (ko) | 2000-08-10 | 2001-08-10 | 개선된 녹방지성 및 내마모성을 가진 그리스 조성물 |
PCT/EP2001/009347 WO2002012418A2 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
DE60121341T DE60121341T2 (de) | 2000-08-10 | 2001-08-10 | Schmiermittelzusammensetzung mit verbessertem rostschutz und abriebfesten eigenschaften |
EP01958070A EP1307532B1 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
PL01363179A PL194360B1 (pl) | 2000-08-10 | 2001-08-10 | Kompozycja smarna zawierająca olej bazowy i zagęszczacz |
CA002418850A CA2418850A1 (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
BRPI0113118-4A BR0113118B1 (pt) | 2000-08-10 | 2001-08-10 | composição de graxa, e, uso da mesma. |
RU2003106404/04A RU2263137C2 (ru) | 2000-08-10 | 2001-08-10 | Композиция консистентной смазки с повышенными антикоррозионными свойствами и сопротивлением износу, способ получения смазки |
CNB018139086A CN1191341C (zh) | 2000-08-10 | 2001-08-10 | 具有改进的防锈和耐磨损性能的润滑脂组合物 |
AU7981501A AU7981501A (en) | 2000-08-10 | 2001-08-10 | Grease composition with improved rust prevention and abrasion resistance properties |
ZA200300993A ZA200300993B (en) | 2000-08-10 | 2003-02-05 | Grease composition with improved rust prevention and abrasion resistance properties. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000242911A JP4634585B2 (ja) | 2000-08-10 | 2000-08-10 | 防錆性および耐摩耗性が改良されたグリース組成物 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010233708A Division JP5225354B2 (ja) | 2010-10-18 | 2010-10-18 | 防錆性および耐摩耗性が改良されたグリース組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002053889A true JP2002053889A (ja) | 2002-02-19 |
JP4634585B2 JP4634585B2 (ja) | 2011-02-16 |
Family
ID=18733852
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000242911A Expired - Lifetime JP4634585B2 (ja) | 2000-08-10 | 2000-08-10 | 防錆性および耐摩耗性が改良されたグリース組成物 |
JP2002561248A Pending JP2004518014A (ja) | 2000-08-10 | 2001-08-10 | 防錆性及び耐摩耗性を改良したグリース組成物 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002561248A Pending JP2004518014A (ja) | 2000-08-10 | 2001-08-10 | 防錆性及び耐摩耗性を改良したグリース組成物 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6800595B2 (ja) |
EP (1) | EP1307532B1 (ja) |
JP (2) | JP4634585B2 (ja) |
KR (1) | KR100787403B1 (ja) |
CN (1) | CN1191341C (ja) |
AR (1) | AR032630A1 (ja) |
AU (2) | AU2001279815B2 (ja) |
BR (1) | BR0113118B1 (ja) |
CA (1) | CA2418850A1 (ja) |
CZ (1) | CZ295732B6 (ja) |
DE (1) | DE60121341T2 (ja) |
HU (1) | HUP0302687A3 (ja) |
PL (1) | PL194360B1 (ja) |
RU (1) | RU2263137C2 (ja) |
WO (1) | WO2002012418A2 (ja) |
ZA (1) | ZA200300993B (ja) |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002060775A (ja) * | 2000-08-11 | 2002-02-26 | Sumikou Junkatsuzai Kk | 耐水グリース組成物 |
JP2004132480A (ja) * | 2002-10-10 | 2004-04-30 | Sumitomo Heavy Ind Ltd | 食品工場用の変速機 |
WO2006049280A1 (ja) * | 2004-11-08 | 2006-05-11 | Thk Co., Ltd. | 振動対応グリース組成物及びこれを用いた案内装置 |
JPWO2006049280A1 (ja) * | 2004-11-08 | 2008-05-29 | Thk株式会社 | 振動対応グリース組成物及びこれを用いた案内装置 |
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JP2009019128A (ja) * | 2007-07-12 | 2009-01-29 | Ntn Corp | グリース組成物およびグリース封入転がり軸受 |
WO2009060790A1 (ja) | 2007-11-05 | 2009-05-14 | Hitachi Construction Machinery Co., Ltd. | グリース組成物及びその製造方法 |
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JP2016534175A (ja) * | 2013-10-24 | 2016-11-04 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイShell Internationale Research Maatschappij Besloten Vennootshap | グリース組成物における向上したロール安定性 |
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Also Published As
Publication number | Publication date |
---|---|
HUP0302687A3 (en) | 2005-11-28 |
PL194360B1 (pl) | 2007-05-31 |
BR0113118B1 (pt) | 2011-07-12 |
JP2004518014A (ja) | 2004-06-17 |
CA2418850A1 (en) | 2002-02-14 |
DE60121341D1 (de) | 2006-08-17 |
ZA200300993B (en) | 2004-04-01 |
WO2002012418A2 (en) | 2002-02-14 |
AR032630A1 (es) | 2003-11-19 |
RU2263137C2 (ru) | 2005-10-27 |
KR20030027014A (ko) | 2003-04-03 |
AU7981501A (en) | 2002-02-18 |
CN1191341C (zh) | 2005-03-02 |
CZ295732B6 (cs) | 2005-10-12 |
US20030176295A1 (en) | 2003-09-18 |
EP1307532A2 (en) | 2003-05-07 |
AU2001279815B2 (en) | 2004-06-03 |
KR100787403B1 (ko) | 2007-12-21 |
JP4634585B2 (ja) | 2011-02-16 |
EP1307532B1 (en) | 2006-07-05 |
WO2002012418A3 (en) | 2002-04-25 |
CN1446251A (zh) | 2003-10-01 |
PL363179A1 (en) | 2004-11-15 |
US6800595B2 (en) | 2004-10-05 |
DE60121341T2 (de) | 2007-07-26 |
BR0113118A (pt) | 2003-06-10 |
HUP0302687A2 (hu) | 2003-11-28 |
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