Blends of polypropylene polyglycol and phenolic glycol ethers and method of foam control using such blend
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United States of America Patent
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Aug 16, 2016
Grant Date -
Oct 24, 2013
app pub date -
Dec 1, 2011
filing date -
Dec 2, 2010
priority date (Note) -
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Abstract
A blend comprising from 1 to 99 weight percent one or more polypropylene glycols wherein each polypropylene glycol has a weight average molecular weight of greater than or equal to 1000 grams/mole and from 1 to 99 weight percent one or more dipropylene glycol phenyl ethers and/or diethylene glycol phenyl ethers wherein the blend has a viscosity (ASTM D445, @ 25° C.) of less than or equal to 400 cSt and viscosity (ASTM D445, @ 40° C.) of less than or equal to 200 cSt, is provided. Processes using the blend in mining applications are also provided.
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