Paperboard material with expanded polymeric microspheres

Details Paperboard material with expanded polymeric microspheres Paperboard material with expanded polymeric microspheres

D - Textiles, Paper

21

H

D21H 21/54 (2006.01)

Patent

CA 2651264

The present invention is related to a paperboard product having a basis weight in a range of 100 to 350 pounds per 3,000 square feet. The paperboard comprises at least one coated surface suitable for printing. The at least one coated surface comprising cellulosic fibers and from about 0.05 to about 0.5 wt. % dry basis expanded synthetic polymer microspheres based on total weight of the of cellulosic fiber dispersed thereof. The coated surface has a Parker smoothness less than about 2.0 and a Hagerty/Sheffield smoothness not less than about 20 Sheffield units.

La présente invention concerne un produit à base de carton ayant un poids de base compris entre 100 et 350 livres pour 3 000 pieds carrés. Le carton comprend au moins une surface enduite convenant à l'impression. La ou les surfaces enduites comprennent des fibres cellulosiques et d'environ 0,05 à environ 0,5 % en poids sec de microsphères polymères synthétiques expansées par rapport au poids total des fibres cellulosiques dispersées. La surface enduite présente un lissé de Parker inférieur à environ 2,0 et un lissé de Hagerty/Sheffield supérieur ou égal à environ 20 unités Sheffield.

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