D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 11/04 (2006.01) D21H 13/38 (2006.01) D21H 17/63 (2006.01) D21H 17/67 (2006.01) D21H 19/36 (2006.01) D21H 19/54 (2006.01)
Patent
CA 2718974
A method for coating paperboard including the steps of preparing a web of cellulosic fibers, the web having a basis weight of at least about 85 pounds per 3000 ft2, calendering the web at least once to form a paperboard substrate, wherein each of the calendering steps is performed without substantially introducing moisture to the web, and applying a basecoat to at least one surface of the paperboard substrate to form a coated paperboard structure, the basecoat including at least one pigment, the pigment having a sediment void volume of at least about 45 percent, wherein the coated paperboard structure has a Parker Print Surf smoothness of at most about 3 microns.
La présente invention concerne un procédé pour enduire du carton qui comprend les étapes qui consistent à préparer une feuille continue de fibres de celluloses, la feuille continue possédant un grammage dau moins environ 85 livres par 3000 pieds carrés, à calandrer la feuille continue au moins une fois pour former un substrat de carton, chacune des étapes de calandrage étant exécutée sans sensiblement introduire dhumidité dans la feuille continue, et à appliquer une couche de fond sur au moins une surface du substrat de carton pour former une structure de carton enduite, la couche de fond comprenant au moins un pigment, le pigment ayant un volume de vide de sédiment dau moins environ 45 pour cent, la structure de carton enduite possédant un lissé de surface dimpression Parker dau moins environ 3 microns.
Bushhouse Steve G.
Fugitt Gary P.
Her Wei-Hwa
Hogan Jason Richard
Parker Steven
Meadwestvaco Corporation
Ridout & Maybee Llp
LandOfFree
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