Recording sheets
AssigneeSansui Co., Ltd.
InventorsNorio Kuroanagi, Mamoru Sakai
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Abstract
The recording sheet is formed by coating colored sheets with an opacifying compound prepared by mixing an aqueous suspension of polymer particles embodying internal voids dispersed with a water base coating material.
Claims9
Recording paper comprising a colored substrate coated on at least on surface with an opaque layer comprising a mixture in a ratio of between 1:9 and 9:1, respectively, of an aqueous suspension opacifying polymer particles having voids therein and a polymeric film forming vehicle, said mixture being uniformly applied to said substrate and thereafter dried.
A method of forming recording papers, comprising the steps of preparing a uniform dispersion in a ratio of between 1:9 and 9:1, respectively, of an aqueous suspension of polymer particles having voids therein and an aqueous polymeric film forming vehicle, uniformly coating a surface of a colored sheet substrate with said suspension and thereafter drying said coated substrate.
Dependencies are inferred from the claim text.