C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/10 (2006.01) B41J 2/01 (2006.01) B41M 3/14 (2006.01)
Patent
CA 2107980
Abstract Of The Disclosure An aqueous based ink composition that contains polymers which can be cross- linked by the application of heat such that the cross-linked resultant deposit is used to produce a cohesive matrix that is resistant to an acidic fountain solution of an offset printing process. The cross-linked composition includes a first polymer containing a cyclic anhydride or derivative thereof and a second polymer that contains hydroxyl functionality. The cyclic anhydride may be a styrene maleic anhydride or derivative thereof, or a methyl vinyl ether/maleic anhydride or derivative thereof. The hydroxyl containing second polymer may be a polyethylene or polypropylene glycol, a hydroxyalkylated polyethyleneimine, a polyvinylalcohol or the hydroxyl containing polymer may be an acrylic copolymer that comprises at least a hydroxy substituted acrylate or methacrylate monomer and an acrylic acid or methacrylic acid monomer.
Kent & Edgar
Man Roland Druckmaschinen Ag
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