79page

@ +41^lel 4=+71 ilzlslt. *zJ"l +rgq +4^lE 2f,4- tE7l €214.4- @ zlag €el f tol 231;|p E €9 tl*"l zJa€4. @ ^J.il a4E 4 rI a+^l? -o slq qJazl *olal"l- (6) Z+ zlEBql 9qI zle .qiil ^JEIE +alEril"il 7-l+g "J,J^la ^J+Eg i]?-l6l= *841= + zlzlzl 114.4 {ry41 ,r}Bg ElE4 "JrJ+ Z+€- C+E"il ,1+^lvl7l flE}q +€ 4g(pad),4ols s tslt ?EJ(knife over roll coater) :9ts 4= 4*+ .E-s- *zlB ^I+sl= ziol4. o'l E-}. +il= z16"l C"il t.JEIal E.*-€ {+"il z-l+g +q^lzJcl.+EErilel ?zL=*9 7l+ el "J^!ul4 €.il F-s-q= zl#el .J"il el4^J a4qtsHl, ol 2z\4 oJz|ts ,IS ?.q+ Egg 6}z1 {i."il qlgrl *49"1.1 +trI.+H4 ElHe "14 C441 El*s z]*ol .r| 4zl= Elr4 Eqlzd+ rl+g ^I+6I= 4"l4.ol 'ilB"il^l +ElErilsl rs-+g C+E { ++gq il= rl#el *"E-4 +a€q.ol *H-o-a,'Jg.€ a+e aH4 *Br+= g?-l ^ +Ja (squeezins) "14 4+ *B "il 9 "il.<l t *4 9 zl t*=E+. z)E zlA43- +?{,rlzl.il uJs +rl4 gg +i]"Jg EoJ^l7l€ €4.+ zg.il^-l Eq ++ 4rl= rl-= t4-e E-s- +ilg. +Eqtscil, *"lg e4 =4olE =.=.E- ^|+g + ql4.+F4 4zl t]J.rl4 4A4 "l,r]= ^J'}61 "Jrd€ 4#g "J^Jrl vlq, olzl{I Z+g "14 arj€ +Es *zl"lE ^J.il "JC+ +sja "ldr'lzJ4.+"I^l"I 1l= lt= ^+14 Eel= 4.zl4eE- zl€€ €€rl"ll.q dol 4.=.5471 ,J"il Z#g ,ilrl+4. z)# zls{"Ilel *Cg= -ts-E 4+4 ,J4. t = sl - [,]+r]n+.| - I a=+l - I a ;il (7) 7lE zli* a4l 4= i4-H-4.s +Et irilzl Bal "JEqq, l]+ PVA+'I(25%)e d4l *E€4.Cs zI *e. PVA= "*g rl+g "J^J;I4ts aslol r14.4# "J^J"il= r{€ +C4l= -Et}4 o-a ++El='il SolS 4l€gC4l, elB 5€ 4+g *,t}4sB(sodium lauryl sulfate)4 +e ae "J^!€ zl+el qlrdcg ?zltla4.rl#sl "J^J +EI= E4lsl ++"il "l4^l zlolz) r*94, PVA E4.|.il 9lq^l +Cslrl zlf E4€ PVAe+ BE "Inile+€ PVA^I o'loll,rJE ilolzl tlol fl4. (8) +41 zliB (solvent sizing) zlfiulzl$ zlE*Hg i4lE. E"il +4^14 ++.qg ^J"il ?F,.l7l= *H, + +.Azl E(set sizing) o.lr{ H}6}q, E4lE +ac el tsl+r{ *zl +ril "il +4 ^l7lr +"lg dF,.lzl -74-