Synthetic polyether thickeners and thickened aqueous systems...

Details Synthetic polyether thickeners and thickened aqueous systems... Synthetic polyether thickeners and thickened aqueous systems...

C - Chemistry, Metallurgy

10

M

253/133, 402/250

C10M 119/16 (2006.01) C09K 3/00 (2006.01) C10M 173/02 (2006.01)

Patent

CA 1265889

SYNTHETIC POLYETHER THICKENERS AND THICKENED AQUEOUS SYSTEMS CONTAINING THEM Abstract of the Disclosure This invention relates to synthetic polyether thickeners and thickened aqueous systems containing them. The thickeners are unique because they can be used in aqueous systems at less than ten percent weight concen- tration which will flow in a Vickers 104(C) Vane pump at use temperatures. These properties make them particularly useful for thickening hydraulic fluids used in high pressure vane and gear pumps. The thickeners are prepared by reacting conventional polyether polyols with alpha-olefin epoxides having an average of 6 to 12 total carbon atoms to obtain products with specific epoxide-to-hydroxyl ratios.

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