Dispersions containing organopolysiloxane/polyurea copolymers
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United States of America Patent
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Jan 22, 2008
Grant Date -
Jun 23, 2005
app pub date -
Dec 8, 2004
filing date -
Dec 18, 2003
priority date (Note) -
Expired
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Abstract
Aqueous dispersions containing organopolysiloxane/polyurea copolymers prepared by reacting aminoalkyl-functional organopolysiloxanes with a diisocyanate in water in the presence of a protonating acid, and optionally one or more surfactants and/or protective colloids. The organopolysiloxane/polyurea polymers may be prepared without the presence of ionic groups if desired.
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