C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/44 (2006.01) C09D 5/02 (2006.01) C09D 133/00 (2006.01) C25D 13/06 (2006.01)
Patent
CA 2614554
Disclosed are electrodepositable aqueous resinous dispersions that include a polymeric dispersant comprising an at least partially neutralized high molecular weight cationic acrylic polymer, and a cationic acrylic polymer that is different from the polymeric dispersant. Also disclosed are electrodepositable compositions comprising such a dispersion, electroconductive substrates at least partially coated with such compositions, methods for coating an electroconductive substrate with such compositions, and methods for making electrodepositable aqueous resinous dispersions.
Ces dispersions comprennent un dispersant polymère comprenant un polymère acrylique cationique à poids moléculaire élevé au moins partiellement neutralisé et un polymère acrylique différent du dispersant polymère. On prévoit des compositions électrodéposables comprenant une telle dispersion, des substrats électroconducteurs au moins partiellement revêtus de telles compositions, des procédés de revêtement d'un substrat électroconducteur avec de telles compositions et des procédés de préparation de dispersions résineuses aqueuses électrodéposables.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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