JPH04335096A - Lubricant for compression refrigerator - Google Patents
Lubricant for compression refrigeratorInfo
- Publication number
- JPH04335096A JPH04335096A JP10559191A JP10559191A JPH04335096A JP H04335096 A JPH04335096 A JP H04335096A JP 10559191 A JP10559191 A JP 10559191A JP 10559191 A JP10559191 A JP 10559191A JP H04335096 A JPH04335096 A JP H04335096A
- Authority
- JP
- Japan
- Prior art keywords
- lubricant
- compd
- sulfur
- refrigerant
- iron
- 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.)
- Withdrawn
Links
- 230000006835 compression Effects 0.000 title claims abstract description 10
- 238000007906 compression Methods 0.000 title claims abstract description 10
- 239000000314 lubricant Substances 0.000 title abstract description 8
- 239000003507 refrigerant Substances 0.000 claims abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002199 base oil Substances 0.000 claims abstract description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 5
- 239000000460 chlorine Substances 0.000 claims abstract description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011593 sulfur Substances 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 3
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 150000002506 iron compounds Chemical class 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010348 incorporation Methods 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002301 combined effect Effects 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- -1 phosphate ester Chemical class 0.000 description 2
- 229920001515 polyalkylene glycol Polymers 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は圧縮式冷凍機用潤滑油に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating oil for compression refrigerators.
【０００２】0002
【従来の技術】ハイドロフルオロカーボン（以下、Ｈ．
Ｆ．Ｃ．と称する）を冷媒として用いる圧縮式冷凍機用
潤滑油としては基油としてポリアルキレングリコール及
びポリエステル系が使用され、添加剤としてはリン酸エ
ステル、亜リン酸エステルが使用されている。[Prior Art] Hydrofluorocarbon (hereinafter referred to as H.
F. C. As a lubricating oil for a compression type refrigerator that uses a refrigerant (referred to as 1) as a refrigerant, polyalkylene glycol and polyester base oils are used as base oils, and phosphate esters and phosphite esters are used as additives.
【０００３】0003
【発明が解決しようとする課題】Ｈ．Ｆ．Ｃ．を冷媒と
して用いた時の冷凍機用潤滑油では潤滑作用が十分でな
く摺動部材の減耗量が多い。[Problem to be solved by the invention]H. F. C. The lubricating oil for refrigerators using this as a refrigerant does not have sufficient lubricating action, and the amount of wear on sliding members is large.
【０００４】従ってその対策としてリン酸エステル系極
圧剤を添加しているが従来から冷媒として使用していた
ハイドロクロロフルオロカーボン（以下、Ｈ．Ｃ．Ｆ．
Ｃ．と略称）と冷凍機油（アルキルベンゼン系）系の方
が摺動部での減耗量は少ない。Therefore, as a countermeasure, a phosphate ester type extreme pressure agent is added, but hydrochlorofluorocarbon (hereinafter referred to as H.C.F.
C. ) and refrigerating machine oil (alkylbenzene-based) have less wear on sliding parts.
【０００５】本発明は上記技術水準に鑑み、Ｈ．Ｆ．Ｃ
．を冷媒とする圧縮式冷凍機用潤滑剤の上記不具合を解
消しうる潤滑剤を提供しようとするものである。In view of the above-mentioned state of the art, the present invention is based on H. F. C
．． The object of the present invention is to provide a lubricant that can solve the above-mentioned problems of a lubricant for a compression type refrigerator using a refrigerant.
【０００６】[0006]
【課題を解決するための手段】従来のＨ．Ｃ．Ｆ．Ｃ．
／アルキルベンゼン系の場合、リン系極圧剤の作用効果
（リン酸鉄の形成）とＨ．Ｃ．Ｆ．Ｃ．に含まれるＣｌ
基が摺動面で摺動材と反応し、塩化物を生成し、前者と
の複合効果で耐摩耗性が非常に良好であることが判り、
冷媒Ｈ．Ｆ．Ｃ．系にはＣｌ基がないため添加剤の複合
効果が得られないことが判った。[Means for solving the problem] Conventional H. C. F. C.
/ In the case of alkylbenzene, the effect of phosphorus-based extreme pressure agent (formation of iron phosphate) and H. C. F. C. Cl contained in
It was found that the group reacts with the sliding material on the sliding surface to generate chloride, and the combined effect with the former provides very good wear resistance.
Refrigerant H. F. C. It was found that the combined effect of the additives could not be obtained because the system did not have Cl groups.
【０００７】本発明者らは上記事実に基づいて鋭意研究
の結果、冷凍機油に添加剤としてＳ基を添加して極圧条
件に到達した場合、摺動面に硫黄化合物を生成させるこ
とにより、リン系極圧剤との併用による複合効果で耐摩
耗性の向上が計れることを確認した。As a result of intensive research based on the above facts, the present inventors found that when extreme pressure conditions are reached by adding S groups as an additive to refrigerating machine oil, sulfur compounds are generated on the sliding surfaces. It was confirmed that wear resistance could be improved by the combined effect of using it in combination with a phosphorus-based extreme pressure agent.
【０００８】本発明は上記知見に基づいて完成されたも
のであって、非塩素系の冷媒であるハイドロフルオロカ
ーボンを使用する圧縮式冷凍機用潤滑油において、潤滑
用基油にリン酸系と共に硫黄系鉄化合物を添加してなる
ことを特徴とする圧縮式冷凍機用潤滑油である。The present invention has been completed based on the above knowledge, and is based on the lubricating oil for compression refrigerators that uses hydrofluorocarbon, which is a non-chlorine refrigerant, in which phosphoric acid and sulfur are added to the lubricating base oil. This is a lubricating oil for compression type refrigerators, characterized in that it contains an iron-based compound.
【０００９】[0009]
【作用】摺動面に硫黄化合物が生成され、摺動面の減耗
量が低下し、従来のＨ．Ｃ．Ｆ．Ｃ．／アルキルベンゼ
ン系なみの性能となった。[Effect] Sulfur compounds are generated on the sliding surface, reducing the amount of wear on the sliding surface, which is compared to conventional H. C. F. C. /The performance was comparable to alkylbenzene type.
【００１０】又冷凍機システム材料としてＣｕ、Ａｌ、
Ｆｅ等への腐食影響を調査した結果従来のＨ．Ｃ．Ｆ．
Ｃ．／アルキルベンゼン系と同等であった。[0010] Cu, Al,
As a result of investigating the corrosion effect on Fe etc., the conventional H. C. F.
C. /Alkylbenzene type.
【００１１】[0011]
【実施例】Ｈ．Ｆ．Ｃ．用冷媒としてＲ１３４ａ（テト
ラフルオロエタン）を使用し、Ｒ１３４ａ用冷凍機油と
して溶解性が良好なポリアルキレングリコールを基油と
してＲ１３４ａ雰囲気下での摩耗試験により冷凍機油の
潤滑性の評価を行った。[Example] H. F. C. The lubricity of the refrigerating machine oil was evaluated by an abrasion test in an R134a atmosphere using R134a (tetrafluoroethane) as a refrigerant and using polyalkylene glycol with good solubility as a base oil.
【００１２】Ｒ１３４ａ雰囲気下での各種冷凍機油での
試験結果を表１に示す。Table 1 shows the test results for various refrigerating machine oils under R134a atmosphere.
【００１３】同表より極圧剤のリン酸エステルに硫化鉄
系化合物を添加した潤滑特性が従来のフロン１２／アル
キルベンゼン系などより摩耗量は少なく非常に良好であ
ることが認められた。[0013] From the same table, it was confirmed that the lubricating properties of the extreme pressure agent phosphoric acid ester with the addition of an iron sulfide compound were very good, with less wear than conventional Freon 12/alkylbenzene systems.
【表１】[Table 1]
【００１４】上記表の摩耗量はＲＵＮ Ｎｏ． １の
Ｒ１２／アルキルベンゼンの摩耗量を１．０として相対
値でＲＵＮ Ｎｏ． ２〜５を表示した。[0014] The wear amount in the above table is determined by RUN No. RUN No. 1 is a relative value with the wear amount of R12/alkylbenzene being 1.0. 2 to 5 were displayed.
【００１５】また、本発明のＲＵＮ Ｎｏ． ５の硫
黄系としてはＦｅＳを、リン酸エステルとしては下記の
化合物を使用した。[0015] Furthermore, RUN No. of the present invention. FeS was used as the sulfur system in No. 5, and the following compound was used as the phosphoric acid ester.
【化１】[Chemical formula 1]
【００１６】[0016]
【発明の効果】冷凍機用潤滑油に添加している硫黄系化
合物が摺動面で活性を増してリン系極圧添加剤との複合
効果により摺動特性が大巾に向上した。[Effects of the Invention] The sulfur-based compound added to the lubricating oil for refrigerators has increased its activity on the sliding surface, and the combined effect with the phosphorus-based extreme pressure additive has greatly improved the sliding properties.
【００１７】特にコンプレッサーの耐久試験及び耐摩耗
試験において潤滑特性の向上が顕著になった。[0017] Particularly in compressor durability tests and wear resistance tests, the lubricating properties were significantly improved.
Claims (1)
ロカーボンを使用する圧縮式冷凍機用潤滑油において、
潤滑用基油にリン酸系と共に硫黄系鉄化合物を添加して
なることを特徴とする圧縮式冷凍機用潤滑油。[Claim 1] A lubricating oil for compression refrigerators that uses hydrofluorocarbon, which is a non-chlorine refrigerant,
A lubricating oil for compression type refrigerators, characterized in that it is made by adding a sulfur-based iron compound along with a phosphoric acid type to a lubricating base oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10559191A JPH04335096A (en) | 1991-05-10 | 1991-05-10 | Lubricant for compression refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10559191A JPH04335096A (en) | 1991-05-10 | 1991-05-10 | Lubricant for compression refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04335096A true JPH04335096A (en) | 1992-11-24 |
Family
ID=14411746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10559191A Withdrawn JPH04335096A (en) | 1991-05-10 | 1991-05-10 | Lubricant for compression refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04335096A (en) |
-
1991
- 1991-05-10 JP JP10559191A patent/JPH04335096A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980806 |