Epoxy resin containing acetoacetic groups

Details Epoxy resin containing acetoacetic groups Epoxy resin containing acetoacetic groups

1974-06-03

1977-04-05

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2EP, 260 18EP, 260 328EP, 260 332EP, 260 336EP, 260 37EP, 260 50, 260 515, 260 57C, 260348R, 260830P, 260830TW, 260831, 260834, 260835, 260837R, 260DIG4, C08G 3004

Patent

active

040161412

ABSTRACT:
An epoxy resin containing acetoacetic ester groups in which at least a part of the acetoacetic ester groups is enolized by atoms of at least one metal from groups I to VI or Ia to Viiia of the Periodic Table according to Meyer and Mendelejeff which metal atoms are partially bound to the enolic oxygen of the acetoacetic ester group in the form of a chelate. A process for preparing said resins wherein an epoxy resin product containing acetoacetic ester groups is further reacted in the presence of a solvent (a) first with an alkali metal alcoholate and subsequently with at least one salt of at least one chelate-forming metal; or (b) with at least one chelate-forming metal in the presence of a tertiary amine or (c) for the preparation of an epoxy resin containing chemically bound atoms of at least one metal partially bound as a chelate an epoxy resin containing acetoacetic ester groups is further reacted in the presence of a solvent with an alcoholate of at least one chelate-forming metal.

REFERENCES:
patent: 2801228 (1957-07-01), Starck

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