The present invention relates to a durable paper or paperboard substrate containing an effective amount of synthetic fibers and having enhanced strength in the machine direction and the cross direction, as well enhanced strength through the cross section of the sheet. The present invention further relates to methods of making and using the substrate.
申请公布号
WO2008016639(A2)
申请公布日期
2008.02.07
申请号
WO2007US17180
申请日期
2007.08.01
申请人
INTERNATIONAL PAPER COMPANY;WILLIAMS, RICK, C.;JIMENEZ, GRACIELA;SKAGGS, BEN, J.
发明人
WILLIAMS, RICK, C.;JIMENEZ, GRACIELA;SKAGGS, BEN, J.