| abstract |
The present invention provides a. Modified polyepoxy resins comprising reaction products of polyepoxide resins, dimer fatty acids and organic polyisocyanates and having a weight average molecular weight of 1,000 to 50,000; And b. Coating composition comprising at least one amino functional silane crosslinking agent, preferably comprising a pigment, having a good adhesion to an aluminum or aluminum alloy substrate, providing good corrosion resistance and particularly useful as a primer for the substrate to provide. |