| abstract |
The invention is an advanced epoxy resin comprising the reaction product of a reaction mixture comprising: A. a polyepoxide; B. a sterically hindered amine an advancement agent which corresponds to one of Formulas 1 or 2 described hereinafter; C. optionally, a catalyst for the reaction of the polyepoxide with the advancement agent; D. and optionally, a dihydroxy hydrocarbon, or a halogenated dihydroxy hydrocarbon. n In another embodiment the invention is a water dispersed amine advanced epoxy resin comprisingn i). the reaction product of A. a polyepoxide, B. an amine advancement agent corresponding to Formulas 1, 2 or 17, C. optionally, a catalyst for the reaction of the polyepoxide with the advancement agent; D. and optionally, a dihydroxy hydrocarbon, or a halogenated dihydroxy hydrocarbon. ii) a dispersant, iii) optionally, a coupling solvent; and iv) water. n In another embodiment the invention is a process for preparing the amine advanced epoxy resins of this invention in a water dispersion. |