NO914113L - HIGH-TEMPERATURE-FUNCTIONAL FLUIDS - Google Patents
HIGH-TEMPERATURE-FUNCTIONAL FLUIDSInfo
- Publication number
- NO914113L NO914113L NO91914113A NO914113A NO914113L NO 914113 L NO914113 L NO 914113L NO 91914113 A NO91914113 A NO 91914113A NO 914113 A NO914113 A NO 914113A NO 914113 L NO914113 L NO 914113L
- Authority
- NO
- Norway
- Prior art keywords
- neutral
- free
- alkaline earth
- earth metal
- functional fluids
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title abstract 4
- -1 alkaline earth metal salts Chemical class 0.000 abstract 6
- 150000002989 phenols Chemical class 0.000 abstract 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 4
- 230000007935 neutral effect Effects 0.000 abstract 4
- 125000002947 alkylene group Chemical group 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000002199 base oil Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002530 phenolic antioxidant Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000003457 sulfones Chemical class 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
Landscapes
- Lubricants (AREA)
Abstract
Funksjonelle fluider som er effektive over et vidt temperaturområde inkludert meget høye temperaturer kan omfatter: (A) en hovedmengde av minst en syntetisk baslsolje; og mindre mengder av (B) minst en fenolisk forbindelse utvalgt fra gruppen som består av (B-l) metallfrle, hindrede fenoler substituert med minst en alkylgruppe som inneholder minst ca. fa karbonatomer, og alkylenkoplede derivater derav; (B-2) nøytrale og basiske Jordalkalimetallsalter av hindrede fenoler som ikke er alkylen- eller svovel-kopiede; (B-3) metall-frle alkylfenylsulflder eller nøytrale og basiske jordalkalimetalsalter av alkylfenolsul- fider; og (B-4) nøytrale og basiske Jordalkalimetallsalter av alkylen-koplede fenoler; og (C) minst en Ikke-fenollsk antloksldant. Når den fenollske forbindelsen (B) er en metall-frl eller nøytral fenolisk forbindelse, er det foretrukket å inkludere som en ytterligere komponent, (D) minst et basisk alkallmetallsalt eller Jordalkalimetallsalt av en sulfon eller karboksylsyre, eller ( blandinger derav. I en foretrukket utførelsesform er de høytemperaturfunksjonelle fluidene i oppfinnelsen fri for askefrle dis- pergerlngsmidler eller metallsalter av dlhydrokarbylditlofosforsyrer eller begge deler. De smørende sammensetningene l foreliggende oppfinnelse er særlig nyttige ved høye temperaturer slik som over 260*C inkludert høytemperaturanvendelser opptil ca. 370'C eller til og med 540*C eller høyere. De funksjonelle fluidene i oppfinnelsen beholder deres smørende egenskaper og er termisk stabile ved de meget høye tempera- turene.Functional fluids effective over a wide temperature range including very high temperatures may include: (A) a major amount of at least one synthetic base oil; and minor amounts of (B) at least one phenolic compound selected from the group consisting of (B-1) metal free, hindered phenols substituted by at least one alkyl group containing at least about 5 carbon atoms, and alkylene-linked derivatives thereof; (B-2) neutral and basic alkaline earth metal salts of hindered phenols that are not alkylene or sulfur-copied; (B-3) metal-free alkylphenyl sulfides or neutral and basic alkaline earth metal salts of alkylphenol sulfides; and (B-4) neutral and basic alkaline earth metal salts of alkylene-linked phenols; and (C) at least one Non-phenolic antioxidant. When the phenolic compound (B) is a metal-free or neutral phenolic compound, it is preferred to include as an additional component, (D) at least one basic alkali metal salt or alkaline earth metal salt of a sulfone or carboxylic acid, or (mixtures thereof) in a preferred In embodiment, the high temperature functional fluids of the invention are free of ashless dispersants or metal salts of dihydrocarbyl dithlophosphoric acids or both. at 540 ° C or higher The functional fluids of the invention retain their lubricating properties and are thermally stable at the very high temperatures.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/484,338 US5366648A (en) | 1990-02-23 | 1990-02-23 | Functional fluids useful at high temperatures |
| PCT/US1991/001047 WO1991013133A2 (en) | 1990-02-23 | 1991-02-18 | High temperature functional fluids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO914113D0 NO914113D0 (en) | 1991-10-18 |
| NO914113L true NO914113L (en) | 1991-12-17 |
Family
ID=26782952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO91914113A NO914113L (en) | 1990-02-23 | 1991-10-18 | HIGH-TEMPERATURE-FUNCTIONAL FLUIDS |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO914113L (en) |
-
1991
- 1991-10-18 NO NO91914113A patent/NO914113L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO914113D0 (en) | 1991-10-18 |
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