Aqueous curing agents for aqueous epoxy resin dispersions

Details Aqueous curing agents for aqueous epoxy resin dispersions Aqueous curing agents for aqueous epoxy resin dispersions

2005-06-28

2005-06-28

Peng, Kuo-Liang (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S403000, C523S416000, C523S421000, C528S051000, C528S108000, C528S408000

Reexamination Certificate

active

06911490

ABSTRACT:
Aqueous curing agents for epoxy resin dispersions comprising mixtures, adducts and/or salts of partly esterified organic phosphoric acids A1 or partly esterified phosphonic acids A2 with organic amines B selected from the group consisting of epoxide-amine adducts B1, Mannich bases B2, polyaminoamides B3, and condensation products B4 of diamines or polyamines B42 with di- or polyhydroxyaromatics B41, their preparation and a method of use comprising mixing thereof with aqueous epoxy resin dispersions in particular for coating metals as corrosion protection

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