Paper coatings containing hydroxyethylcellulose rheology modifier and high levels of calcium carbonate pigment
OwnerCharles Burdick, Sung Chu +1inventors
InventorsCharles Burdick, Sung Chu, Teng-Shau Young
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Abstract
A paper coating composition containing water, a binder, a high viscosity hydroxyethylcellulose polymer and a pigment, wherein the pigment comprises greater than about 80% by weight calcium carbonate pigment. Papers coated with the paper coating composition containing the high viscosity hydroxyethylcellulose polymer and calcium carbonate pigments exhibit improved water retention performance and good optical properties.
Claims16
A paper coating composition comprising water, a binder, a high viscosity hydroxyethylcellulose polymer and a pigment, wherein the pigment comprises greater than about 80% by weight calcium carbonate pigment.
A coated paper comprising a paper and an amount of paper coating on the paper wherein paper coating is further comprised of a paper coating composition comprising a binder, a high viscosity hydroxyethylcellulose polymer and a pigment, wherein the pigment comprises greater than about 80% by weight calcium carbonate pigment.
Dependencies are inferred from the claim text.