Aqueous self-adhesive coating for electrical steel and its uses

Details Aqueous self-adhesive coating for electrical steel and its uses Aqueous self-adhesive coating for electrical steel and its uses

2005-04-27

2010-02-02

Eashoo, Mark (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S402000, C523S404000, C523S415000, C528S093000, C106S287220, C427S058000, C427S104000

Reexamination Certificate

active

07655709

ABSTRACT:
A self-adhesive coating for electrical steel and its uses is described. The coating includes 81-99.9 weight parts of aqueous epoxy resin emulsion, 0.07-17 weight parts of curing agent, and optionally 0.3 weight parts of accelerant. The coating optionally contains additives selected from diluent, filler, toughener, colorant, fire retardant, antirusting agent, antisettling agent, thixotropic agent or antifoamer, thickener, pigment dispersant, preservative, and the like. The coating can be used as electrical steel coating. The coating is capable of making electrical steel with a self-adhesive coating by naked-flame heat, and also there are no poisonous organic solvents to volatilize during the entire process. The coating can avoid use of an apparatus for burning organic solvents, which reduced cost.

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