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JPH0312497A - 潤滑油組成物 - Google Patents

潤滑油組成物

Info

Publication number
JPH0312497A
JPH0312497A JP1146962A JP14696289A JPH0312497A JP H0312497 A JPH0312497 A JP H0312497A JP 1146962 A JP1146962 A JP 1146962A JP 14696289 A JP14696289 A JP 14696289A JP H0312497 A JPH0312497 A JP H0312497A
Authority
JP
Japan
Prior art keywords
group
lubricating oil
oil composition
carbon atoms
fluoroalkyl
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
Application number
JP1146962A
Other languages
English (en)
Other versions
JP2744470B2 (ja
Inventor
Masato Kaneko
正人 金子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP1146962A priority Critical patent/JP2744470B2/ja
Priority to EP90908678A priority patent/EP0428757B1/en
Priority to PCT/JP1990/000725 priority patent/WO1990015126A1/ja
Priority to US07/651,414 priority patent/US5137650A/en
Priority to DE90908678T priority patent/DE69003224T2/de
Publication of JPH0312497A publication Critical patent/JPH0312497A/ja
Application granted granted Critical
Publication of JP2744470B2 publication Critical patent/JP2744470B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/04Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
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    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/50Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen
    • C10M105/52Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen and halogen only
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    • C10M107/00Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C10M107/30Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M107/32Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
    • C10M107/34Polyoxyalkylenes
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    • C10M131/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing halogen
    • C10M131/08Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing halogen containing carbon, hydrogen, halogen and oxygen
    • C10M131/10Alcohols; Ethers; Aldehydes; Ketones
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    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
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    • C10M171/00Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008Lubricant compositions compatible with refrigerants
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    • C09K2205/00Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/24Only one single fluoro component present
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    • C10M2203/06Well-defined aromatic compounds
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    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】
[産業上の利用分野1 本発明は、潤滑油組成物特にはポリエーテル系潤滑油組
成物に関する0本発明の潤滑油組成物は、耐焼付性に優
れると共に、フロンなどの冷媒雰囲気下においても安定
で良好な相溶性を示すので、冷凍機油やヒートポンプ油
として好ましい。
【従来の技術1 最近、冷凍機は高効率化及び小形軽量化が急速に進行し
ている。また、コンプレッサーがレシプロ方式からロー
タリ方式に移行し、更にはインバータが措載され、そし
てヒートポンプによる廃熱回収のために吐出ガス温度が
上昇する傾向にある。 また、使用される冷媒としては、オゾン層への悪影響の
ない新冷媒としてフロン−134aまたはフロン−13
4などのフッ化工タン系冷媒が注目され初め、これらの
冷媒に適合性の高い冷凍機油としてポリグリコール化合
物が提案されている(例えば米国特許第4,755,3
16号明細書)。 一方、フルオロアルキル基含有アルコールは、例えば特
公昭52−8807号公報記載の方法によって調製する
ことができ、これらのフルオロアルキル基含有アルコー
ルは、アクリル酸またはメタクリル酸とのエステルを重
合させて得られる重合体を溌水撓油剤として用いること
、あるいはオキシ塩化燐との反応によって得られるフル
オロアルキル燐酸エステルを界面活性剤として用いるこ
とが知られている。 [発明が解決しようとする課題] フッ化エタン系冷媒に適合性の高いポリグリコール化合
物は潤滑性(耐焼付性)が不十分であるだけでなく、フ
ッ化エタン系冷媒に対する高温溶解性も不十分であり、
その改良が望まれていた。 したがって、本発明の目的は、潤滑性(耐焼付性)に優
れ、しかもフッ化エタン系冷媒のような難溶性冷媒に対
する高温溶解性に優れたポリエーテル系潤滑油組成物を
提供することにある。 [課題を解決するための手段] 前記の目的は、本発明により、−殺伐 %式% () [式中、R1は、炭素原子数2〜15(好ましくは2〜
10)のアルキレン基であり、Rは、炭素原子数5〜1
6(好ましくは6〜12)のフルオロアルキル基である
が、ただし、R基中のフッ素原子数は少なくとも2n−
3個(ここでnは、R基中の炭素原子数である)であり
、R基中の各炭素原子にフッ素原子少なくとも1個が結
合しているものとする] で表されるフルオロアルキル基含有アルコールとポリエ
ーテル化合物とを含むことを特徴とする、潤滑油組成物
によって解決することができる。 前記−殺伐(I)で表されるフルオロアルキル基含有ア
ルコールにおいて、R基は炭素原子を5〜16個含む、
R基の炭素原子数が5個未満のフルオロアルキル基含有
アルコールを用いると潤滑油組成物の耐焼付性が不足す
るので好ましくなく、炭素原子数が16個を越えるとポ
リエーテル化合物に対する溶解性が低下するので好まし
くない。 R基中のフッ素原子数が2n−3個(ここでnは、R基
中の炭素原子数である)未満になるとフルすロアルキル
基含有アルコールの安定性及び溶解性が低下するので好
ましくない、R基において、各炭素原子にフッ素原子少
なくとも1個が結合していればよいが、R基はペルフル
オロアルキル基であることが好ましい。 前記−殺伐(I)で表されるフルオロアルキル基含有ア
ルコールの常圧沸点は140’C以上であることが好ま
しい。常圧沸点が140℃未満であると潤滑油組成物の
使用中に発泡や気化が起こり、耐焼付性が低下するので
好ましくない。 前記−殺伐(I)で表されるフルオロアルキル基含有ア
ルコールは、潤滑油組成物中に0.001〜50重量%
、特に0.1〜30重量%の割合で配合することが好ま
しい、配合量が0.001重量%未満であると目的とす
る効果が得られず、50重量%を越えると混合安定性が
低下する。 前記のフルオロアルキル基含有アルコールは、1種類で
用いるか、または2種類以上を混合して用いることがで
きる。 前記−殺伐(I)のフルオロアルキル基含有アルコール
の具体例としては、ペルフルオロアルキル低級アルキル
アルコール、例えばペルフルオロヘキシルエチルアルコ
ール、ペルフルオロヘキシルブチルアルコール、ペルフ
ルオロオクチルエチルアルコールまたはそれらの混合物
を挙げることができる。 本発明で用いることのできるポリエーテル化合物として
は、ポリグリコール誘導体(例えば、ポリグリコール、
そのモノまたはジアルキルエーテル)、またはグリセロ
ール誘導体(例えばグリセロールポリオキシアルキルエ
ーテル)を挙げることができる。ポリグリコール誘導体
またはグリセロール誘導体としては例えば以下の式(1
1)〜(V)で表される化合物を用いることができる。 R”−0−(AO) −R”           (
II)R’−0−(AO入−(A’O)、 −R’  
          (III)前記の各式で、R2、
R3、R4、R5、R6、R7、R8、R9、Rloお
よびR11は、それぞれ水素原子、または炭素原子数1
〜10のアルキル基であり、AおよびA′は炭素原子数
2〜4のアルキレン基(特にはプロピレン基)であり、
mは5以上の整数であり、f+gは5以上の整数であり
、h、j及びkは2以上の整数であり、p+r、s+t
およびu+vはそれぞれ2以上の整数である。 前記のポリエーテル化合物としては平均分子盟約300
〜3000、特には500〜2000の化合物を用いる
のが好ましい、前記の式(III)または式(V)の共
重合体としては、ランダム共重合体またはブロック共重
合体、あるいはその他の共重合体を用いることができる
。 本発明の潤滑油組成物は、常法により、ポリエーテル化
合物に、前記−殺伐(I)で表されるフルオロアルキル
基含有アルコールを加え、そして場合により、合成油(
例えばアルキルベンゼン)および/または鉱油(例えば
ナフテン系鉱油)を加えることによって調製することが
できる。 本発明の潤滑油組成物の粘度は、100°Cにおいて5
〜5QcSt、特には5〜3QcStであることが好ま
しい、粘度が5cSt未満になると耐焼付性が不足し、
50cStを越えると熱交換効率が低下するのでそれぞ
れ好ましくない。 [実施例] 以下、実施例によって本発明をさらに具体的に説明する
が、これは本発明の範囲を限定するものではない。 1〜  8お     1〜  5 以下の第1表に示す組成の潤滑油を調製し、高温臨界溶
解温度および耐焼付性を測定して評価した。使用した成
分は以下のとおりである。 G :ポリプロピレングリコール(平均分子量=約10
00) G :エチレンオキサイドープロピレンオキサイド共重
合体のジメチルエーテル (平均分子量=約1100) G:ポリプロピレングリコールモノメチルニー】 チル(平均分子量=約1000) G :ポリプロピレングリコールモノブチルエーテルく
平均分子量=約1050 )A :ベルフルオロヘキシ
ル/オクチル(50:! 50)エチルアルコール A :ベルフルオロヘキシルエチルアルコールBニジオ
クチルスルフィド 高温臨界溶解温度および耐焼付性の測定は以下のとおり
に実施した。 遺孤娼丑上■温皮 内容盟約10m1のガラス製耐圧容器に潤滑油試料と冷
媒(フロン−134a)とを1:9の比率で封入し、均
一に溶解している状態から、徐々に温度を上げていき、
潤滑油と冷媒とが分離する温度を測定した。 皿工■作 ファレックス焼付試験により評価しな、 ASTMD3
233に準拠し、焼付荷重(ボンド)を測定した。 結果を第1表に示す。 ■上人 油として用いることができる。

Claims (1)

    【特許請求の範囲】
  1. (1)一般式 R_f−R^1−OH( I ) [式中、R^1は、炭素原子数2〜15のアルキレン基
    であり、Rは、炭素原子数5〜16のフルオロアルキル
    基であるが、ただし、R_f基中のフッ素原子数は少な
    くとも2n−3個(ここでnは、R_f基中の炭素原子
    数である)であり、R_f基中の各炭素原子にフッ素原
    子少なくとも1個が結合しているものとする] で表されるフルオロアルキル基含有アルコールとポリエ
    ーテル化合物とを含むことを特徴とする、潤滑油組成物
JP1146962A 1989-06-09 1989-06-09 潤滑油組成物 Expired - Fee Related JP2744470B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1146962A JP2744470B2 (ja) 1989-06-09 1989-06-09 潤滑油組成物
EP90908678A EP0428757B1 (en) 1989-06-09 1990-06-05 Lubricating oil composition
PCT/JP1990/000725 WO1990015126A1 (en) 1989-06-09 1990-06-05 Lubricating oil composition
US07/651,414 US5137650A (en) 1989-06-09 1990-06-05 Lubricating oil composition containing a fluoroalkyl group-containing alcohol and a polyether compound
DE90908678T DE69003224T2 (de) 1989-06-09 1990-06-05 Schmierölzusammensetzung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1146962A JP2744470B2 (ja) 1989-06-09 1989-06-09 潤滑油組成物

Publications (2)

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JPH0312497A true JPH0312497A (ja) 1991-01-21
JP2744470B2 JP2744470B2 (ja) 1998-04-28

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EP (1) EP0428757B1 (ja)
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WO (1) WO1990015126A1 (ja)

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US6265723B1 (en) 1997-12-22 2001-07-24 Nec Corporation Magnetic shield apparatus
WO2008053951A1 (fr) * 2006-11-02 2008-05-08 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante pour réfrigérateurs
JP2013136789A (ja) * 2013-04-05 2013-07-11 Idemitsu Kosan Co Ltd 冷凍機用潤滑油組成物
JP2013227380A (ja) * 2012-04-24 2013-11-07 Cci Corp 作動液

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ATE184310T1 (de) * 1992-06-03 1999-09-15 Henkel Corp Polyol/ester-gemisch als schmiermittel für wärmeträgerflüssigkeiten in kälteanlagen
JP3521216B2 (ja) * 1992-06-03 2004-04-19 コグニス コーポレーション 高温で運転する冷凍コンプレッサー用ポリオールエステル潤滑剤
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US6265723B1 (en) 1997-12-22 2001-07-24 Nec Corporation Magnetic shield apparatus
WO2008053951A1 (fr) * 2006-11-02 2008-05-08 Idemitsu Kosan Co., Ltd. Composition d'huile lubrifiante pour réfrigérateurs
JP2008115266A (ja) * 2006-11-02 2008-05-22 Idemitsu Kosan Co Ltd 冷凍機用潤滑油組成物
US8603354B2 (en) 2006-11-02 2013-12-10 Idemitsu Kosan Co., Ltd. Lubricating oil composition for refrigerators
US9315707B2 (en) 2006-11-02 2016-04-19 Idemitsu Kosan Co., Ltd. Lubricating oil composition for refrigerators
US10358590B2 (en) 2006-11-02 2019-07-23 Idemitsu Kosan Co., Ltd. Lubricating oil composition for refrigerators
US10988653B2 (en) 2006-11-02 2021-04-27 Idemitsu Kosan Co., Ltd. Lubricating oil composition for refrigerators
JP2013227380A (ja) * 2012-04-24 2013-11-07 Cci Corp 作動液
JP2013136789A (ja) * 2013-04-05 2013-07-11 Idemitsu Kosan Co Ltd 冷凍機用潤滑油組成物

Also Published As

Publication number Publication date
WO1990015126A1 (en) 1990-12-13
US5137650A (en) 1992-08-11
EP0428757A4 (en) 1991-11-21
DE69003224T2 (de) 1994-03-10
EP0428757A1 (en) 1991-05-29
DE69003224D1 (de) 1993-10-14
JP2744470B2 (ja) 1998-04-28
EP0428757B1 (en) 1993-09-08

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