C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 131/04 (2006.01) C09D 129/04 (2006.01) C09D 161/04 (2006.01) C09D 161/28 (2006.01) C09D 163/00 (2006.01) C09D 167/00 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2464241
The invention a discloses self-priming coating composition based on a vinyl terpolymer, a monomeric or oligomeric alkoxy amino resin cross linker and a multi component combination of two or more coresins selected from ,(a)oligomeric saturated polyester resin, (b ) oligomeric unsaturated polyester resin dissolved in an unsaturated monomer with a free radical initiator (c) oligomeric bifunctional phenolic resole resin , (d ) oligomeric epoxy resin, and ( e)low molecular weight polyurethane resin,wherein said vinyl terpolymer is predominantly polyvinyl formal with polyvinyl alcohol and polyvinyl acetate as two other co-polymers. The composition can be applied as a clear coat or as a pigmented composition with addition of pigment on ferrous and non-ferrous metallic substrate and is particularly suitable for continuous coil coating lines for both dark and light colour metal coatings. The invention also concerns a method of coating ferrous and non- ferrous metallic substrate by applying the said coating composition on a surface and coated articles so produced.
Marks & Clerk
Rotomac Electricals Pvt. Ltd.
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