Epoxy resin-amine complex adhesive composition and process of preparing same

Claim 1

AN EPOXY RESIN BONDING COMPOSITION ADAPTED TO BE HARDENED AT ROOM TEMPERATURE WHICH COMPRISES: (A) AN EPOXY RESIN IN ADMIXTURE WITH A STABLE POLYAMINE METAL-SALT COMPLEX EPOXY RESIN HARDENER, SAID EPOXY RESIN HAVING AT LEAST TWO FUNCTIONAL EPOXY GROUPS CAPABLE OF ENTERING INTO A CROSS-LINKING REACTION WITH AMINO NITROGEN, A SOLID FINELY DIVIDED, INERT CARRIER; SAID STABLE POLYAMINE-METAL SALT COMPLEX EPOXY RESIN HARDNER BEING THE REACTION PRODUCT OF AN ALIPHATIC POLYAMINE CONTAINING AT LEAST TWO AMINO NITROGENS ATTACHED TO ALIPHATIC CARBON ATOMS AND A METAL SALT OF AN ACID, SAID METAL SALT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALIDES, NITRATES, SULFATES AND PHOSPHATES, THE METAL CATION OF WHICH IS CAPABLE OF FORMING A STABLE COMPLEX WITH THE AMINO GROUPS OF THE POLYAMINE; AND IS SELECTED FROM THE GROUP CONSISTING OF CALCIUM, ZINC, COPPER, SILVER AND NICKEL; SAID EPOXY RESIN AND SAID EPOXY RESIN HARDENER BEING MIXED IN SUBSTANTIALLY STOICHIOMETRIC PROPORTIONS; AND (B) BETWEEN ABOUT 5 AND 30 PERCENT BY WEIGHT OF WATER BASED ON THE WEIGHT OF THE EPOXY RESIN AND HARDENER ADMIXTURE.