C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 93/04 (2006.01) C08K 5/17 (2006.01) C08L 23/08 (2006.01) C08L 91/06 (2006.01) D21H 19/20 (2006.01)
Patent
CA 2130518
The specification discloses an aqueous dispersion for coatings consisting essentially of water and a water dispersible component, wherein the water dispersible component is provided by reacting maleic anhydride with a rosin ester to provide a maleated rosin ester, adding wax and preferably also an ethylene vinyl acetate copolymer to the maleated rosin ester, and adding a tertiary amino alcohol to the mixture to yield the water dispersible component as a reaction product thereof. When used in a coating formulation for paper, clay and/or latex may be added to the formulation. In one preferred embodiment, the dispersion is applied as a coating to paper to enhance toner adhesion to the surface of the paper while also providing a relatively low friction surface.
Dandreaux Gary F.
Geoghegan John T.
Hung John H.
Slovik Lori S.
Wang Long S.
Arizona Chemical Company
Gowling Lafleur Henderson Llp
International Paper Company
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