Emulsifier system for water-dilutable epoxy resin system...

Details Emulsifier system for water-dilutable epoxy resin system... Emulsifier system for water-dilutable epoxy resin system...

C - Chemistry, Metallurgy

08

G

C08G 59/04 (2006.01) C08J 3/03 (2006.01) C08L 63/00 (2006.01) C09D 163/00 (2006.01) C09J 163/00 (2006.01)

Patent

CA 2186426

An emulsifier composition for water-dilutable epoxy resins comprise condensation products of an aliphatic polyol component having a weight-average molar mass (Mw) of from 200 to 20,000 g/mol, where a mass fraction of at least 5%, has a weight-average molar mass (Mw) of at least 4000 g/mol, and an epoxide component having of at least one epoxide compound having at least two epoxide groups per molecule and an epoxide group content of from 500 to 10,000 mmol/kg, the ratio of the number of hydroxyl groups to that of the epoxide groups z(OH):z (EP) being from 1:3.51 to 1:10. When the emulsifier is used for the preparation of aqueous epoxy resin systems, the end of the pot life is indicated by a sharp rise in viscosity.

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