Copolymers containing aminoplast units and use thereof as a dispersing agent or stabilizers
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United States of America Patent
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Feb 26, 2008
Grant Date -
Jun 2, 2005
app pub date -
Dec 17, 2002
filing date -
Dec 24, 2001
priority date (Note) -
Expired
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Abstract
A description is given of water-soluble aminoplast ether copolymers of the following structural type: ##STR00001## wherein Z is a glycoluril central unit, B is a radical of an essentially water-insoluble polymer and R1 is a radical of a hydrophilic organic compound. The ratio R1:B is selected within a range of about 1.5 to 4:1 and the overall mass of the water-soluble aminoplast ether copolymer is from about 2000 to 50 000 g/mol such that the copolymer is soluble in water and may be used as a dispersant for e.g. pigments in polar solvents, e.g. water.
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