FIELD: chemistry.
SUBSTANCE: invention relates to an aqueous composition for coating a metal substrate. Said composition includes at least one first polymer (A) as the first binder, at least one cross-linking agent (B) and at least one copolymer (C) as the second binder. Said copolymer (C) is obtained by copolymerizing ethylenically unsaturated monomers in the presence of a polyurethane resin having polymerizable carbon double bonds. Further, the weight ratio of polymer (A) to polymer (C) is greater than 3.0. Also the invention relates to a method for producing a topcoat on a metal substrate, which comprises applying and subsequently curing said coating composition on a metal substrate, and also to a metal substrate coated according to the method of the invention.
EFFECT: invention provides improved resistance to abrasive wear of the films of the topcoat.
15 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| AGENT FOR PIGMENTED COATING AND PRODUCED THEREFROM COATINGS | 2015 |
|
RU2676633C1 |
| COATINGS WITH FLEXIBLE HYPERBRANCHED POLYOLS | 2015 |
|
RU2683281C2 |
| COATING COMPOSITIONS HARDENED AT LOW TEMPERATURES AND COATINGS PRODUCED THEREFROM | 2019 |
|
RU2764181C1 |
| AGENT FOR PIGMENTED COATING AND PRODUCED THEREFROM COATINGS | 2015 |
|
RU2677477C2 |
| COATING OF METALLIC BANDS | 2009 |
|
RU2512378C2 |
| COPOLYMER AND PIGMENTED AGENT FOR COATING THEREWITH | 2015 |
|
RU2676084C1 |
| TWO-COMPONENT POLYURETHANE COMPOSITION FOR COATING BASED ON ORGANIC SOLVENTS | 2011 |
|
RU2554864C2 |
| COATING COMPOSITION WITH IMPROVED ADHESION TO CONTAINERS | 2012 |
|
RU2562985C2 |
| METHOD FOR PRODUCING MULTILAYERED PAINT SYSTEM | 2014 |
|
RU2675915C1 |
| AQUEOUS COMPOSITION FOR APPLYING OF COATING | 1987 |
|
RU2074210C1 |
