Defoaming agents and articles and methods using same
AssigneeCognis IP Management GmbH
InventorsJohn Mangano, Vasudevan Balasubramaniam, Daniel Herzog
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Abstract
Disclosed are low VOC defoaming agents comprising at least one active defoaming compound or combination of defoaming compounds, and a liquid carrier comprising one or more organic compounds having a viscosity of less than about 100 centistokes (cSt) at 40° C. as measured by ASTM D445, having a VOC content as measured by ASTM method D3960 “Standard Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings” of not greater than about 1% by weight.
Claims5
A low VOC defoaming agent comprising at least one active defoaming compound and a liquid carrier, wherein:
- the at least one active defoaming compound comprises at least one hydrophobic polyethylene oxide glycol ether;
- and
- the liquid carrier consists essentially of an API Group II Base Oil having a viscosity of less than about 100 centistokes (cSt) at 40° C. as measured by ASTM 0445 and a VOC content as measured by ASTM method D3960 “Standard Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings” of not greater than about 1% by weight.
Dependencies are inferred from the claim text.