Patent ID: 6426414
Filing Date: 2002-07-30
Classification: C08G,C09D

Abstract:
A water dispersible polyisocyanate mixture prepared from an aliphatic, cycloaliphatic, araliphatic and/or aromatic diisocyanate and havinga) an average isocyanate functionality of at least 2.0, b) a content of 5.0 to 25.0 wt. %, based on resin solids, of isocyanate groups (calculated as NCO; molecular weight=42) and c) a content of 2 to 50 wt. %, based on resin solids, of ethylene oxide units (calculated as C2H4O; molecular weight 44) incorporated within polyether chains containing an average of 5 to 35 ethylene oxide units, wherein at least 60 mole % of the polyether chains are connected via allophanate groups to two polyisocyanate molecules which are each prepared from at least two diisocyanate molecules.