OIL SOLUBLE POLYALKYLENE GLYCOL LUBRICANT COMPOSITIONS
A lubricant composition comprising at least 90 wt% of at least one oil soluble polyalkylene glycol (OSP), wherein the OSP comprises at least 40 wt% units derived from butylene oxide and at least 40 wt% units derived from propylene oxide, initiated by one or more initiators selected from monols, diol...
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Format | Patent |
Language | English French |
Published |
10.05.2013
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Subjects | |
Online Access | Get full text |
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Abstract | A lubricant composition comprising at least 90 wt% of at least one oil soluble polyalkylene glycol (OSP), wherein the OSP comprises at least 40 wt% units derived from butylene oxide and at least 40 wt% units derived from propylene oxide, initiated by one or more initiators selected from monols, diols, and polyols; and at least 0.05 wt% of at least one anti-wear additive; wherein the lubricant composition exhibits a four ball anti-wear of less than or equal to 0.35 mm and an air release value at 50 °C of less than or equal to 1 minute is provided.
L'invention concerne une composition lubrifiante comprenant au moins 90 % en poids d'au moins un poly(alkylène glycol) soluble dans l'huile (OSP), l'OSP comprenant au moins 40 % en poids d'unités issues d'oxyde de butylène et au moins 40 % en poids d'unités issues d'oxyde de propylène, amorcée par un ou plusieurs amorceurs choisis parmi les monols, les diols et les polyols ; et au moins 0,05 % en poids d'au moins un additif anti-usure ; la composition lubrifiante présentant une anti-usure à quatre billes inférieure ou égale à 0,35 mm et une valeur de libération d'air à 50°C inférieure ou égale à 1 minute. |
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AbstractList | A lubricant composition comprising at least 90 wt% of at least one oil soluble polyalkylene glycol (OSP), wherein the OSP comprises at least 40 wt% units derived from butylene oxide and at least 40 wt% units derived from propylene oxide, initiated by one or more initiators selected from monols, diols, and polyols; and at least 0.05 wt% of at least one anti-wear additive; wherein the lubricant composition exhibits a four ball anti-wear of less than or equal to 0.35 mm and an air release value at 50 °C of less than or equal to 1 minute is provided.
L'invention concerne une composition lubrifiante comprenant au moins 90 % en poids d'au moins un poly(alkylène glycol) soluble dans l'huile (OSP), l'OSP comprenant au moins 40 % en poids d'unités issues d'oxyde de butylène et au moins 40 % en poids d'unités issues d'oxyde de propylène, amorcée par un ou plusieurs amorceurs choisis parmi les monols, les diols et les polyols ; et au moins 0,05 % en poids d'au moins un additif anti-usure ; la composition lubrifiante présentant une anti-usure à quatre billes inférieure ou égale à 0,35 mm et une valeur de libération d'air à 50°C inférieure ou égale à 1 minute. |
Author | GREAVES, MARTIN R |
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DocumentTitleAlternate | COMPOSITIONS LUBRIFIANTES DE POLY(ALKYLÈNE GLYCOL) SOLUBLES DANS L'HUILE |
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RelatedCompanies | DOW GLOBAL TECHNOLOGIES LLC GREAVES, MARTIN R |
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Snippet | A lubricant composition comprising at least 90 wt% of at least one oil soluble polyalkylene glycol (OSP), wherein the OSP comprises at least 40 wt% units... |
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SubjectTerms | CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
Title | OIL SOLUBLE POLYALKYLENE GLYCOL LUBRICANT COMPOSITIONS |
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