CURABLE FILM-FORMING COMPOSITIONS CONTAINING LITHIUM SILICATES AS THE CORROSION INHIBITORS AND COATED MULTI-LAYER METAL SUBSTRATES Russian patent published in 2019 - IPC C09D5/08 B32B15/08 C08K3/34 C09D7/61 C08K3/105 C08L63/00 

Abstract RU 2682604 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to the multilayer metal substrate with a coating comprising the metal substrate; deposited onto the said metal substrate the first curable film-forming composition; and the second curable film-forming composition applied above, of at least part of the first curable film-forming composition. First and second cured film-forming compositions independently comprise: curable organic film-forming binder component and containing lithium silicate, magnesium oxide and/or azole the corrosion inhibiting component.

EFFECT: lithium compound (lithium silicate and/or lithium salt), magnesium oxide and/or an azole containing corrosion inhibitor introduction into the curable film-forming compositions enables the multilayer composite coatings increased corrosion resistance.

4 cl, 21 tbl

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RU 2 682 604 C1

Authors

Furar, Elizabeth A.

Mayo, Michael A.

Morris, Eric L.

Bunten, Tommy G.

Dates

2019-03-19Published

2016-05-27Filed