1 cmc, qaStaHvIS nav Industry yIlo'
1.1 ghor Sizing
qeng ghor sizing nav rIn laH ghor HoS Dub, permeability jejlaw', curl yISeH 'ej printability QaQ Suq ghur stiffness, smoothness. generally lo' cmc je ghor sizing viscosity DeSDu' 30 ~ 700mpa • s, qechmeyDaj Huj 0.7 0.85 substitution. je sizing ghor, mIllogh qonwI' qoSta' pov Dumerbe' mIllogh qonwI' qoSta' naQ Qay yIqaw je, laH patlh Dumerbe' nav ghor taH naQmoH wanI'mey 'ej flexible mIllogh qonwI' qoSta' cmc. QaQ humidity Qap, QaD 'ay' navmey strain internal, warp deformation nav joq cardboard, 'ej overprint Qagh elimination size bot luH eliminate QaH ghajbogh mIllogh qonwI' qoSta'; DeSDu' poH rap, ghor nav paperboard pagh QaQ closure resistance 'ej oil resistance. 'e' laH Dumerbe' ghor sizing, majQa' sizing 'angbogh Da, oil repellency wa' indicator, 1 vatlhvI' chaq lIng cmc pong 'angbogh Da aqueous taS 12 vatlhvI' starch taS je concentration comparable concentration lIng expansion qeng Vas aqueous taS cmc ghor sizing patlh mIllogh qonwI' qoSta' flexible lo' nitlhDaj lo'taHvIS boQwI'vaD tu'moH poch waH De'.
additives yIQ bertlham 1.2
motlh yIlo' cmc viscosity yIQ-bertlham additives 0.3 ~ 0.6pa taS jeD tlham • s neH viscosity products, qechmeyDaj Huj 0.4 0.8, substitution yISeH vaj wej neH laH, negative Huj cmc minimize laH, gel Huv three-dimensional Dumerbe' 'e'. 'ach moj generally lo' cmc simultaneously ghaH cationic starch, mach amount cmc in place of cationic starch 'ay', laH Suq QaQ synergistic 'angbogh Da.
qaSchoH introduction carboxymethylcellulose cmc, sodium salt bIQ chenmoH taS Huv jeD 'ej soluble. chel taS viscosity pulp, penetrate cmc molecules vaj sub-fibrillate fibers pagh "wep" around fiber, muHIvtaHbogh hydroxyl ghom carboxymethyl 'ej QuQ pa' jan'e' dehydration mIw, wej neH DuqIppu'chugh molecule vegh bIQSIp bonding be bonding HoS Dumerbe' molecules 'ach je SabtaHbogh fibers latlh bIQSIp bonds role vegh lumaq lach'eghDI' meH Dumerbe' Dumerbe' Sev narghtaHvIS 'oH je , thereby binding raD SabtaHbogh fibers je nav HoS Dub ghur.
laH chel cmc DeSDu' yIQ pItlh internal bonding raD fibers, Dub uniformly ghomHa' fibers in order to net poQbej molding, chav thereby enhancing physical HoS nav Hap 'u'; laH je lo' cmc je dispersant, rItlh particles compatible je lo' pagh latlh colloidal fully ghomHa' particles, vaj naQ pat rubber rItlh joq composition ngaDmoH homogeneous pat, QaQ ghot'e' lotvam Dumerbe'.