Polyol/epoxy adducts for use as emulsifier for liquid epoxy resins
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United States of America Patent
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Oct 17, 1995
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Oct 12, 1994
filing date -
Mar 29, 1993
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Abstract
Polyol/epoxy adducts obtained by reaction of (A) an aliphatic polyol having an average molecular weight (Mw) of 200 to 2000 and (B) an epoxy compound having at least two epoxy groups per molecule and an epoxy equivalent weight of 100 to 2000, the equivalent ratio of the OH groups to the epoxy groups being 1:3.51 to 1:10, preferably 1:4 to 1:9, particularly preferably 1:45 to 1:8, and the epoxy equivalent weight of the adduct being between 150 g/eq and at least 800 g/eq, preferably between 250 g/eq and 1000 g/eq which adducts serve as nonionic emulsifiers in water-dilutable epoxy liquid resins.
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