JPH08502542A - 防食性潤滑剤組成物 - Google Patents
防食性潤滑剤組成物Info
- Publication number
- JPH08502542A JPH08502542A JP6510827A JP51082794A JPH08502542A JP H08502542 A JPH08502542 A JP H08502542A JP 6510827 A JP6510827 A JP 6510827A JP 51082794 A JP51082794 A JP 51082794A JP H08502542 A JPH08502542 A JP H08502542A
- Authority
- JP
- Japan
- Prior art keywords
- group
- alkyl
- triazole
- formula
- acid
- 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
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Abstract
(57)【要約】
腐食抑制性潤滑剤組成物は、(a)合成エステル基油;(b)少なくとも1種の芳香族アミン酸化防止剤;(c)式:(R1O)3PO(式中、R1はトリル基、フェニル基、キシリル基、アルキル基またはシクロアルキル基であり、アルキル基またはシクロアルキル基が10個までの炭素原子を有する。)で示される中性有機リン酸エステル;(d)一般式:
(式中、x+y+zは2ないし22の範囲(2と22を含む)の整数であり、R1ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基R1ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カルボキシル基、水素原子もしくはそれらのアルキル誘導体から選ばれ、アルキル基が、5個までの炭素原子からなる短鎖である。)の飽和または不飽和ジカルボン酸または以下の3つの式:
(式中、R1'は、-COOH)アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、水素原子もしくはそれらのアルキル誘導体、R2'は-COOH、およびnは1ないし4の整数(1と4を含む)である。)のうち1種のジカルボン酸;(e)場合により35重量%までの量で硫化した直鎖もしくは分枝鎖の飽和もしくは不飽和モノカルボン酸またはそのエステル;および(f)式:
(式中、R1"は、-COOHもしくはそのアルキル誘導体または5個までの炭素原子の短鎖アルキル基、nは0または1〜3の間の整数(1と3を含む)、およびR2"は、水素原子、モルホリノ基、アルキル基、アミド基、アミノ基、水酸基またはそれらのアルキルもしくはアリル置換誘導体である。)のトリアゾール、または1,2,4-トリアゾール、1,2,3-トリアゾール、5-アニロ-1,2,3,4-チアトリアゾール、3-アミノ-1,2,4-トリアゾール、1-H-ベンゾトリアゾール-1-イル-メチルイソシアニド、メチレン-ビス-ベンゾトリアゾールおよびナフトトリアゾールから選ばれるトリアゾールから構成される。
Description
【発明の詳細な説明】
防食性潤滑剤組成物
本発明は、防食性潤滑剤組成物に関する。
腐食は、航空機用、特に海運上の環境下で作動させるガスタービンエンジンの
作動および保管における重大な問題であり得る。他の型のエンジンと同様に、そ
のようなガスタービンエンジン内での腐食の影響は、保守点検、部品の交換、エ
ンジンの停止時間および労働の面で大変コストがかかる。したがって、ガスター
ビン内での腐食と、それ故に上述のようなその大変重大な影響を実質上低減する
潤滑剤に対する要求がある。
米国海軍は、最近、軍事仕様書(ミル規格)MIL-L-23699Dを改訂し
ており、この重大な課題に関して重要なゴールと考えられる耐食性でのより高い
基準に達するために、ガスタービンエンジン用潤滑油が満たすべき要求を明記し
た改訂版は、XAS-L-5724と呼ばれている。
本発明の目的は、ARP4249(XAS-L-5724に記載)およびDER
Dの方法18(DERD2458に記載)と呼ばれる耐食試験を満たす防食性潤
滑剤を提供することである。
この目的は、本発明の組成物により達成された。
本発明によると、
(a)合成エステル基油;
(b)少なくとも1種の芳香族アミン酸化防止剤;
(c)式:(R1O)3PO
(式中、R1はトリル基、フェニル基、キシリル基、アルキル基またはシクロア
ルキル基であり、アルキル基またはシクロアルキル基が10個までの炭素原子を
有する。)
で示される中性有機リン酸エステル;
(d)一般式:
(式中、x+y+zは2ないし22の範囲(2と22を含む)の整数であり、R1
ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基R1
ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カル
ボキシル基、水素原子もしくはそれらのアルキル誘導体から選ばれ、アルキル基
が、5個までの炭素原子からなる短鎖である。)
の飽和または不飽和ジカルボン酸または以下の3つの式:
(式中、R1'は、-COOH)アルキル基、水酸基、カルボニル基、ニトロ基、
アミノ基、水素原子もしくはそれらのアルキル誘導体、R2'は-COOH)およ
びnは1ないし4の整数(1と4を含む)である。)
のうち1種のジカルボン酸;
(e)場合により35重量%までの量で硫化した直鎖もしくは分枝鎖の飽和もし
くは不飽和モノカルボン酸またはそのエステル;および
(f)式:
(式中、R1"は、-COOHもしくはそのアルキル誘導体または5個までの炭素
原子の短鎖アルキル基、nは0または1〜3の間の整数(1と3を含む)、およ
びR2"は、水素原子、モルホリノ基、アルキル基、アミド基、アミノ基、水酸基
またはそれらのアルキルもしくはアリル置換誘導体である。)
のトリアゾール、または1,2,4-トリアゾール、1,2,3-トリアゾール、5-
アニロ-1,2,3,4-チアトリアゾール、3-アミノ-1,2,4-トリアゾール、1
-H-ベンゾトリアゾール-1-イル-メチルイソシアニド、メチレン-ビス-ベンゾ
トリアゾールおよびナフトトリアゾールから選ばれるトリアゾール
からなる防食性潤滑剤組成物が提供される。
成分(d)における二環式構造式は、R2'基が、どちらか一方または両方の芳
香環に結合してよいことを示している。
本発明の潤滑剤組成物の基油を形成する中性液体ポリオールエステルは、ネオ
ペンチルグリコール、ジメチロールプロパン、トリメチロールプロパン、ペンタ
エリトリトールまたはジペンタエリトリトールのような、ポリオールまたはポリ
オールエーテルでエステル化したC5ないしC12モノカルボン酸から製造され得
る。これらは、汎用の合成エステル基油である。好ましいエステルは、米国特許
第4,826,633号に記載されているものである。
組成物の成分(b)を形成する芳香族アミン酸化防止剤は、組成物の0.5な
いし5重量%の範囲で含まれてよい。好ましくは、3種まで、特に2種の芳香族
アミン酸化防止剤を含み、酸化防止剤は、特に好ましくは組成物の1ないし3重
量%の範囲で含まれる。本発明の組成物に用いられる芳香族アミン酸化防止剤は
、潤滑剤組成物中に従来から含まれているものである。適する例は、モノ-オク
チルフェニル-α-ナフチルアミンとp,p-ジオクチルジフェニルアミンであり
、好ましくはこの2種を一緒に使用する。
配合物の成分(c)を形成する中性有機リン酸エステルは、組成物の0.5な
いし5重量%の量で含まれてよい。中性有機リン酸エステルもまた、潤滑剤組成
物の従来の成分であり、先に定義した式に適合するような中性有機リン酸エステ
ルを使用することができる。トリクレシルリン酸エステルは、本発明の使用に好
ましいリン酸エステルである。
ジカルボン酸、モノカルボン酸およびトリアゾールからなる3成分系は、本発
明の組成物に、米国海軍ミル規格に記載された「ボールベアリング腐食試験法」
での防食性能における明確な有効性を与える本発明の組み合わせを形成する。さ
らに、後に例示する具体的な組成物は、現在までに、米国海軍ミル規格の両方(
MIL-L-23699DとXAS-L-5724)に十分に対応し、かつ承認され
た、ただ一つの組成物であると考えられる。この3種の成分はいずれも、潤滑剤
の総合的な耐食性の達成に必須であると考えられる。
耐食性組み合わせの第一成分を形成するジカルボン酸は、上述の定義に適合す
るジカルボン酸であり得る。ジカルボン酸を、組成物の0.15重量%までの割
合で含んでよい。しかしながら、先の定義に適合する他のジカルボン酸を含んで
いても、セバシン酸またはそれと同等のものを常に組成物中に含んでいることが
望ましいため、セバシン酸またはそれと同等のものは、ボール腐食試験以外のミ
ル規格の部分を、例えば耐食性をもたらすのに十分に満たす必要があることに注
意すべきである。
本発明で使用してよい、セバシン酸以外の二塩基酸の例は、アジピン酸、アゼ
ライン酸、ドデカンジカルボン酸、3-メチルアジピン酸、3-ニトロフタル酸、
1,10-デカンジカルボン酸およびフマル酸である。
耐食性組み合わせの第二成分は、場合により35重量%までの量で硫化してよ
い、直鎖もしくは分枝鎖の飽和もしくは不飽和モノカルボン酸またはそのエステ
ルである。好ましくは、この酸はC4ないしC22の直鎖不飽和モノカルボン酸で
ある。この添加物の好ましい濃度は、全潤滑剤組成物の0.001ないし0.3
5重量%である。好ましいモノカルボン酸は、硫化オレイン酸である。しかしな
がら、他の適する材料は、オレイン酸そのもの、吉草酸およびエルカ酸である。
耐食性組み合わせの第三成分は、先に定義したようなトリアゾールである。ト
リアゾールは、全組成物の0.005ないし0.25重量%の濃度で使用される
べきである。好ましいトリアゾールは、ベンゾトリアゾールである。
本発明の組成物の好ましい例は、以下の通りである。
モノ-ジオクチルフェニル-α-ナフチルアミン 1 %
p,p-ジオクチルジフェニルアミン 0.75%
べンゾトリアゾール 0.1 %
硫化オレイン酸 0.05%
セバシン酸 0.01%
トリクレゾールリン酸エステル 1.5 %
シリコン消泡剤 2ppm
基本の合成エステル流体 96.59%
好ましい合成エステル流体は、ペンタエリトリトールおよび/またはトリメチ
ロールプロパンとC5ないしC10直鎖および分枝鎖酸からなる酸混合物との反応
生成物から成る。このような基油は、100℃で、少なくとも4.9cstの粘
度を有するべきである。
本発明の必須の組み合わせを形成する3成分は、それぞれ、以前に潤滑剤組成
物に使用されたことがあることが分かっている。しかしながら、出願人の知る限
り、3成分の組成物は、ミル規格で定義された防食性への適用に関して新規のも
のである。本発明に包含され得るこの組成物は、腐食試験の要求を含む、前記の
米国海軍ミル規格XAS-L-6724のすべての要求を満たす、新しい技術的な
効果を達成すると考えられる。
【手続補正書】特許法第184条の7第1項
【提出日】1994年3月21日
【補正内容】
請求の範囲
1.(a)100℃で少なくとも4.9cstの度を有する合成ポリオールエス
テル基油;
(b)少なくとも1種の芳香族アミン酸化防止剤;
(c)式:(R1O)3PO
(式中、R1はトリル基、フェニル基、キシリル基、アルキル基またはシクロア
ルキル基であり、アルキル基またはシクロアルキル基が10個までの炭素原子を
有する。)
で示される中性有機リン酸エステル;
(d)一般式:
(式中、x+y+zは2ないし22の範囲(2と22を含む)の整数であり、R1
ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基R1
ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カル
ボキシル基、水素原子もしくはそれらのアルキル誘導体から選ばれ、アルキル基
が、5個までの炭素原子からなる短鎖である。)
の飽和または不飽和ジカルボン酸または以下の3つの式:
(式中、R1'は、-COOH、アルキル基、水酸基、カルボニル基、ニトロ基、
アミノ基、水素原子もしくはそれらのアルキル誘導体、R2'は-COOH)およ
びnは1ないし4の整数(1と4を含む)である。)
記載の組成物。
8.酸化防止剤が2種の芳香族アミンから成る請求項1ないし7のいずれかに
記載の組成物。
9.酸化防止剤アミンまたはアミンが組成物の1ないし3重量%を構成する請
求項1ないし8のいずれかに記載の組成物。
10.中性有機リン酸エステルが組成物の0.5ないし5重量%を構成する請
求項1ないし9のいずれかに記載の組成物。
11.合成エステル基油が、5ないし12個の炭素原子を有する1種もしくは
それ以上のモノカルボン酸と1種もしくはそれ以上のポリオールあるいはポリオ
ールエーテルから誘導された1種またはそれ以上のエステルから成る請求項1な
いし10のいずれかに記載の組成物。
12.実質上先に記載の通りの請求項1に記載の組成物。
13.本明細書に記載の米国海軍ミル規格に定義されたボールベアリング腐食
試験の要求を完全に満たす合成潤滑剤組成物に腐食抑制特性を与えるための、
(i)一般式:
(式中、x+y+zは2ないし22の範囲(2と22を含む)の整数であり、R1
ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基R1
ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カル
ボキシル基、水素原子もしくはそれらのアルキル誘導体から選ばれ、アルキル基
が、5個までの炭素原子からなる短鎖である。)
の飽和または不飽和ジカルボン酸または以下の3つの式:
─────────────────────────────────────────────────────
フロントページの続き
(51)Int.Cl.6 識別記号 庁内整理番号 FI
C10M 129:42
129:52
129:93
135:06
133:44)
C10N 20:02
30:10
30:12
40:25
(81)指定国 EP(AT,BE,CH,DE,
DK,ES,FR,GB,GR,IE,IT,LU,M
C,NL,PT,SE),OA(BF,BJ,CF,CG
,CI,CM,GA,GN,ML,MR,NE,SN,
TD,TG),AT,AU,BB,BG,BR,BY,
CA,CH,CZ,DE,DK,ES,FI,GB,H
U,JP,KP,KR,KZ,LK,LU,LV,MG
,MN,MW,NL,NO,NZ,PL,PT,RO,
RU,SD,SE,SK,UA,US,UZ,VN
(72)発明者 マークソン、アンドリュー・ジョナサン
イギリス国リーディング・アール・ジー8
8ティー・エー、アッパー・バジルド
ン、キルン・ライズ 1番
(72)発明者 エドワーズ、マーク・アントニー
イギリス国バークシャー・アール・ジー11
4イー・ティー、ウォキンガム、フィン
チャンプステッド、バーカム・ライズ 72
エー番、ブラムリーズ
【要約の続き】
(式中、R1"は、-COOHもしくはそのアルキル誘導
体または5個までの炭素原子の短鎖アルキル基、nは0
または1〜3の間の整数(1と3を含む)、およびR2"
は、水素原子、モルホリノ基、アルキル基、アミド基、
アミノ基、水酸基またはそれらのアルキルもしくはアリ
ル置換誘導体である。)のトリアゾール、または1,2,
4-トリアゾール、1,2,3-トリアゾール、5-アニロ-
1,2,3,4-チアトリアゾール、3-アミノ-1,2,4-
トリアゾール、1-H-ベンゾトリアゾール-1-イル-メ
チルイソシアニド、メチレン-ビス-ベンゾトリアゾール
およびナフトトリアゾールから選ばれるトリアゾールか
ら構成される。
Claims (1)
- 【特許請求の範囲】 1.(a)合成エステル基油; (b)少なくとも1種の芳香族アミン酸化防止剤; (c)式:(R1O)3PO (式中、R1はトリル基、フェニル基、キシリル基、アルキル基またはシクロア ルキル基であり、アルキル基またはシクロアルキル基が10個までの炭素原子を 有する。) の中性有機リン酸エステル; (d)一般式: (式中、x+y+zは、2ないし22の範囲(2と22を含む)の整数であり、 R1ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基 R1ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カ ルボキシル基、水素原子またはそれらのアルキル誘導体から選ばれ、アルキル基 は、5個までの炭素原子の短鎖である。) の飽和または不飽和ジカルボン酸または以下の3つの式: (式中、R1'は、-COOH、アルキル基、水酸基、カルボニル基、ニトロ基、 アミノ基、水素原子またはそれらのアルキル誘導体、R2'は-COOH)および nは1ないし4の整数(1と4を含む)である。) のうち1種のジカルボン酸; (e)場合により硫化した直鎖もしくは分枝鎖の飽和もしくは不飽和モノカルボ ン酸またはそのような酸のエステル;および (f)式: (式中、R1"は、-COOHもしくはそのアルキル誘導体または5個までの炭素 原子の短鎖アルキル基、nは0または1〜3の間の整数(1と3を含む)、およ びR2"は、水素原子、モルフォリノ基、アルキル基、アミド基、アミノ基、水酸 基またはそれらのアルキルもしくはアリル置換誘導体である。) のトリアゾールまたは1,2,4-トリアゾール、1,2,3-トリアゾール、5-ア ニロ-1,2,3,4-チアトリアゾール、3-アミノ-1,2,4-トリアゾール、1- H-ベンゾトリアゾール-1-イル-メチルイソシアニド、メチレン-ビス-ベンゾト リアゾールおよびナフトトリアゾールから選ばれるトリアゾール からなる腐食抑制性潤滑剤組成物。 2.組成物の0.15%までの量で飽和または不飽和カルボン酸を含む請求項 1に記載の組成物。 3.飽和または不飽和ジカルボン酸がセバシン酸である請求項1また2に記載 の組成物。 4.組成物の0.001ないし0.35重量%の量でモノカルボン酸を含む請 求項1ないし3のいずれかに記載の組成物。 5.モノカルボン酸が硫化オレイン酸である請求項1ないし4のいずれかに記 載の組成物。 6.組成物の0.005ないし0.25重量%の量でトリアゾールを含む請求 項1ないし5のいずれかに記載の組成物。 7.トリアゾールがベンゾトリアゾールである請求項1ないし6のいずれかに 記載の組成物。 8.酸化防止剤が2種の芳香族アミンから成る請求項1ないし7のいずれかに 記載の組成物。 9.酸化防止剤アミンまたはアミンが組成物の1ないし3重量%を構成する請 求項1ないし8のいずれかに記載の組成物。 10.中性有機リン酸エステルが組成物の0.5ないし5重量%を構成する請 求項1ないし9のいずれかに記載の組成物。 11.合成エステル基本原料油が、5ないし12個の炭素原子を有する1種も しくはそれ以上のモノカルボン酸と1種もしくはそれ以上のポリオールあるいは ポリオールエーテルから誘導された1種またはそれ以上のエステルから成る請求 項1ないし10のいずれかに記載の組成物。 12.実質上先に記載の通りの請求項1に記載の組成物。 13.本明細書に記載の米国海軍ミル規格に定義されたボールベアリング腐食 試験の要求を完全に満たす潤滑剤組成物に腐食抑制特性を与えるための、 (i)一般式: (式中、x+y+zは、2ないし22の範囲(2と22を含む)の整数であり、 R1ないしR5のうち少なくとも1個の基は、カルボン酸基で、かつその残りの基 R1ないしR5が、アルキル基、水酸基、カルボニル基、ニトロ基、アミノ基、カ ルボキシル基、水素原子またはそれらのアルキル誘導体から選ばれ、アルキル基 は、5個までの炭素原子の短鎖である。) の飽和または不飽和ジカルボン酸または以下の3つの式: (式中、R1'は、-COOH、アルキル基、水酸基、カルボニル基、ニトロ基、 アミノ基、水素原子またはそれらのアルキル誘導体、R2'は-COOH)および nは1ないし4の整数(1と4を含む)である。) のうち1種のジカルボン酸; (ii)場合により硫化した直鎖もしくは分枝鎖の飽和もしくは不飽和モノカルボ ン酸またはそのような酸のエステル;および (iii)式: (式中、R1"は、-COOHもしくはそのアルキル誘導体または5個までの炭素 原子の短鎖アルキル基、nは0または1〜3の間の整数(1と3を含む)、およ びR2"は、水素原子、モルフォリノ基、アルキル基、アミド基、アミノ基、水酸 基またはそれらのアルキルもしくはアリル置換誘導体である。) のトリアゾールまたは1,2,4-トリアゾール、1,2,3-トリアゾール、5-ア ニロ-1,2,3,4-チアトリアゾール、3-アミノ-1,2,4-トリアゾール、1- H-ベンゾトリアゾール-1-イル-メチルイソシアニド、メチレン-ビス-ベンゾト リアゾールおよびナフトトリアゾールから選ばれるトリアゾール の組み合わせの使用。 14.米国海軍ミル規格XAS-L-5724の要求を完全に満たす請求項1な いし12のいずれかに記載の組成物。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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GB9222824A GB2272000B (en) | 1992-10-30 | 1992-10-30 | A method of inhibiting corrosion |
GB9222824.6 | 1992-10-30 | ||
PCT/GB1993/002218 WO1994010270A1 (en) | 1992-10-30 | 1993-10-28 | Corrosion inhibiting lubricant composition |
Publications (1)
Publication Number | Publication Date |
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JPH08502542A true JPH08502542A (ja) | 1996-03-19 |
Family
ID=10724314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6510827A Pending JPH08502542A (ja) | 1992-10-30 | 1993-10-28 | 防食性潤滑剤組成物 |
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---|---|
US (1) | US5681506A (ja) |
EP (1) | EP0666896A1 (ja) |
JP (1) | JPH08502542A (ja) |
KR (1) | KR100291690B1 (ja) |
CN (1) | CN1042643C (ja) |
AU (1) | AU672063B2 (ja) |
CA (1) | CA2148137C (ja) |
GB (1) | GB2272000B (ja) |
IN (1) | IN187525B (ja) |
WO (1) | WO1994010270A1 (ja) |
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-
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- 1992-10-30 GB GB9222824A patent/GB2272000B/en not_active Expired - Lifetime
-
1993
- 1993-10-19 IN IN1176DE1993 patent/IN187525B/en unknown
- 1993-10-28 AU AU53431/94A patent/AU672063B2/en not_active Ceased
- 1993-10-28 EP EP93923633A patent/EP0666896A1/en not_active Withdrawn
- 1993-10-28 KR KR1019950701651A patent/KR100291690B1/ko not_active IP Right Cessation
- 1993-10-28 ZA ZA938058A patent/ZA938058B/xx unknown
- 1993-10-28 CA CA002148137A patent/CA2148137C/en not_active Expired - Fee Related
- 1993-10-28 WO PCT/GB1993/002218 patent/WO1994010270A1/en not_active Application Discontinuation
- 1993-10-28 JP JP6510827A patent/JPH08502542A/ja active Pending
- 1993-10-29 CN CN93119560A patent/CN1042643C/zh not_active Expired - Fee Related
- 1993-10-29 US US08/232,078 patent/US5681506A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000169871A (ja) * | 1998-12-08 | 2000-06-20 | Nippon Mitsubishi Oil Corp | 潤滑油組成物 |
JP2006524734A (ja) * | 2003-04-28 | 2006-11-02 | グレート レイクス ケミカル(ヨーロッパ)ゲーエムベーハー | 潤滑剤組成物 |
Also Published As
Publication number | Publication date |
---|---|
AU5343194A (en) | 1994-05-24 |
GB9222824D0 (en) | 1992-12-09 |
CA2148137A1 (en) | 1994-05-11 |
KR100291690B1 (ko) | 2001-10-24 |
EP0666896A1 (en) | 1995-08-16 |
ZA938058B (en) | 1995-05-02 |
AU672063B2 (en) | 1996-09-19 |
GB2272000B (en) | 1997-03-26 |
WO1994010270A1 (en) | 1994-05-11 |
IN187525B (ja) | 2002-05-11 |
GB2272000A (en) | 1994-05-04 |
KR950704456A (ko) | 1995-11-20 |
CA2148137C (en) | 2003-09-02 |
CN1087669A (zh) | 1994-06-08 |
US5681506A (en) | 1997-10-28 |
CN1042643C (zh) | 1999-03-24 |
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