CURABLE MIXTURES OF EPOXIDE RESINS AND DI-PRIMARY DIAMINES CONTAINING TWO HETEROCYCLIC NUCLEI

摘要

1275810 Coatings CIBA GEIGY AG 26 Nov 1969 [28 Nov. 1968] 57950/69 Heading B2E [Also in Divisions C2 and C3] Aluminium sheets are coated with an epoxy resin composition cured with a 1, 1'-methylenebis-(N-γ-aminopropylhydantoin), e.g. 1, 1'- methylene - bis - (3-y-aminopropyl-5-isopropylhydantoin) and 1, 1'-methylene-bis-(3-γ-aminopropyl-5, 5-dimethylhydantoin). Curing may take place at 40‹C (24 hours) optionally with a post-cure of 6 hours at 100‹C.