Hydrophobically modified alkylene oxide urethane polymer
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United States of America Patent
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Jul 15, 2014
Grant Date -
May 24, 2012
app pub date -
Nov 14, 2011
filing date -
Nov 19, 2010
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Abstract
The present invention relates to a composition comprising a hydrophobically modified alkylene oxide urethane polymer with pendant or end-capping tertiary amine groups, the conjugate acids of which have a pKa in the range of about 4.5 to about 6.5. The composition of the present invention is useful as a rheology modifier for paint formulations formulated over a wide pH range and is more stable to heat aging than higher pKa amine-modified HEURs.
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