C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/7904, 400/79
C08G 59/58 (2006.01) C04B 24/28 (2006.01) C08J 3/02 (2006.01)
Patent
CA 1228950
ABSTRACT OF THE DISCLOSURE The present invention relates to epoxy resin diammonium salt emulsions comprising a liquid epoxy resin, a latent curing agent and an emulsifier. Diamines of formula I or II: H2N - CH2 - R - NH2 (I) H2N - R - CH2 - R - NH2 (II) wherein R is a substituted alkylene or a cycloalkylene residue with 6 to 9 C atoms or an aralkylene residue with 7 to 9 C atoms, are neturalized with an acid consisting of or containing oxalic acid and are used as the latent curing agent, while C8- to C14- alcohols and/or adducts thereof with up to 10 ethylene-oxide groups are used as the emulsifier. The emulsions of the present invention are useful in epoxy resin mortars or epoxy resin cement mortars and for sealing concrete surfaces to improve the water retention capacity.
430361
Marohn Heinz
Mutzberg Friedhelm
Riemer Heinz
Weiss Jorn-Volker
Chemische Werke Huls Aktiengesellschaft
Degussa-Huls Aktiengesellschaft
Fetherstonhaugh & Co.
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