Patent ID: 6143809
Filing Date: 2000-11-07
Classification: C08J,C08L

Abstract:
A process for preparing an aqueous dispersion comprising the steps ofa) emulsifying a mixture comprisingi) water,ii) at least one epoxy resin having a functionality of greater than 0.8 epoxide group per molecule,iii) from 0.1 to 20 weight percent, based on the epoxy resin, of at least one polyoxyalkylene surfactant, andiv) optionally an acetone-free solvent solution to produce a resin-surfactant emulsion; andb) adding a solvent mixture to said resin-surfactant emulsion, said solvent mixture comprising i) acetone and ii) a non-volatile hydrophobic liquid resin or resin modifier to produce the aqueous dispersion.