PAPER PRODUCT HAVING ENHANCED PRINTING PROPERTIES AND RELATED METHOD OF MANUFACTURE
摘要
A paper product suitable for use in making envelopes and the like and having enhanced printability. The enhancement in printability is attained through the use of shoe nip calendering. The final product has the following material properties: (1) a basis weight in the range 16-32 lb./1,300 ft<2>; (2) a density equal to or less than 0.75 g/cc; (3) a smoothness as measured by the Hagerty/Sheffield test (TAPPI Test Method T 538 om-88) greater than 200 Sheffield units; and (4) a Parker Print Surf roughness as measured by the Parker test (TAPPI Test Method T 555 om-94) less than 5.0 microns (measured using a pressure of 10 kgf/cm<2> with a soft backing).
申请公布号
WO0151709(A1)
申请公布日期
2001.07.19
申请号
WO2001US00344
申请日期
2001.01.05
申请人
INTERNATIONAL PAPER COMPANY
发明人
SINGH, KAPIL, MOHAN;KOUKOULAS, ALEXANDER, A.;ANDERSON, DENNIS, W.;NORRDAHL, PHILLIP;HAMILTON, DOUGLAS, L.