INVISTA EM CONHECIMENTO - Revista O Papel

Technical Article / Peer-reviewed ArticleO PAPEL vol. 73, num. 6, pp. 57 - 65 JUN 2012IR(Group 1) = 15,80*Pinus+7,71*OCC+5,98*Newsprint-3,47*Pinus*OCC-10,91*Pinus*Newsprint-1,53*OCC*Newsprint+10,07*Pinus*OCC*Newsprint (R 2 =89,4)IR(Group 2) = 17,50*Pinus+8,16*OCC+5,89*Newsprint-3,26*Pinus*OCC-2,30*Pinus*Newsprint-2,02*OCC*Newsprint-52,25*Pinus*OCC*Newsprint (R 2 =96,4)Figure 6. Response-surface for tear index (mN.m 2 /g)IA(Group 1) = 1,71*Pinus+1,10*OCC+1,30*Newsprint-0,81*Pinus*OCC-0,86*Pinus*Newsprint-0,59*OCC*Newsprint +3,66*Pinus*OCC*Newsprint (R 2 =86,2)IA(Group 2) = 2,56*Pinus+1,49*OCC+1,23*Newsprint-1,30*Pinus*OCC-1,45*Pinus*Newsprint-0,41*OCC*Newsprint +4,77*Pinus*OCC*Newsprint (R 2 =93,7)Figure 7. Response-surface for burst index (kPa.m 2 /g)ME(Group 1) = 120,40*Pinus+106,06*OCC+119,71*Newsprint+13,24*Pinus*OCC-100,93*Pinus*Newsprint-104,80*OCC*Newsprint+26,95*Pinus*OCC*Newsprint (R 2 =49,1)ME(Group 2) = 97,35*Pinus+85,33*OCC+111,26*Newsprint-19,50*Pinus*OCC-0,48*Pinus*Newsprint+27,69*OCC*Newsprint - 82,82*Pinus*OCC*Newsprint (R 2 =54,8)Figure 8. Response-surface for elasticity module (MPa)junho/June 2012 - Revista O Papel61