CPC B41M 5/5218 (2013.01) [B41M 5/0017 (2013.01); D21H 19/40 (2013.01); C08K 3/22 (2013.01); C08K 3/346 (2013.01); C08K 2003/2227 (2013.01)] | 19 Claims |
1. A coating composition for a base paper, comprising:
about 5.0 wt % to about 50 wt % of a porous clay comprising an alumina-silicate that is acid etched; and
about 0.1 wt % to about 10% wt % of an ink pigment fixation agent comprising a metallic salt;
wherein the porous clay has a surface area from about 100 m2/g to about 400 m2/g;
and wherein the coating composition has a pH of from 5 to 8.
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