Yam cuam tshuam nrog offset number cask adhesion ntawm cov ntawv sib txawv thiab cov khoom ntim

Cov ntawv sib txawv Qib - xws li coated, uncoated, mapler, recycled, thiab kev sib txawv, thiab txawv heev. Ib yam li ntawd, cov ntaub ntawv ntim khoom xws li cov ntawv, kraft ntawv, polymer {{} Cov ntaub ntawv ntawm cov khoom sib tw. Nyob rau hauv cov kua qaub adhesion cuam tshuam nrog kev sib xyaw ua ke ntawm lub zog chemistry, porosity, tshuab ziab khaub ncaws, thiab kev sib cuam tshuam ntawm number case thiab substrate.

 

 

Lub zog saum npoo thiab nqus sib txawv ntawm cov ntawv thiab cov khoom ntim

 

Ib qho ntawm cov thawj qhov cuam tshuam rau cov mem kua adhesion yog tuslub zog saum npoontawm daim ntawv lossis ntim cov khoom siv. Lub zog saum npoo piav qhia yuav ua li cas yooj yim ua kua (hauv qhov no, number case) tuaj yeem ntub lossis kis tau lossis kis thoob plaws. Txoj cai dav dav yog yooj yim:

Ntau dua lub zog → zoo ntub dej → zoo dua adhesion.
Qis saum toj hluav taws → tsis zoo ntub → tsis muaj zog adhesion.

 

Ntau tshaj plawsuncoated ntaub ntawvLawm muaj ntau lub zog siab dua vim tias lawv cov cuab yeej siv fiber ntau yog qhib thiab ib qho ntxig me ntsis. Qhov no tso cai rau lub mem kua mem mus rau hauv daim ntawv saum npoo av, txhim kho kho tshuab tog kev thauj tog. Txawm li cas los xij, ntau dhau kev nqus tau tuaj yeem ua teeb meem xws li teev tau nce thiab txo cov gloss. Txawm hais tias, nyob rau hauv cov nqe lus ntawm adhesion, cov ntaub ntawv tsis sib xws feem ntau ua tau zoo.

Txheej txheej, ntawm qhov tod tes, muaj cov smoother nto thiab qis dua kev nqus. Lawv feem ntau muaj cov av nplaum lossis calcium carbonate txheej uas txo tau nkag mus. Thaum qhov no txhim kho gloss thiab xim ntse, nws kuj txhais tau tias cov nplaum nyob ntawm cov tshuaj lom neeg sib xyaw ntawm cov kua zaub thiab txheej deg. Yog hais tias cov txheej yog ib yam nkaus thiab du zawm, cov nplaum yuav ua rau tsis muaj zog.

Thaum nws los txogNtim khoom xws li folding thawv npog, kraft liner, thiab corrugated board, lub zog nto nyob ntawm lub sam thiaj thiab cov txheej ua tiav. Siv cov ntsiab lus fiber ntau, uas muaj ntau nyob rau hauv KRAFT cov khoom ntim, qee zaum txo lub zog fiber ntau thiab kev sib txawv ntawm cov khoom zoo nkauj dua. Cov kev kho cov npoo npoo xws li sizing, daim ntawv qhia, lossis txheej txheej teeb pom kev txuas ntxiv cuam tshuam rau hauv cov pa ntoo ntub dej.

Cov Khoom Siv Ntim Ntim Zoo liBOPP, TSIAJ, PVC, THIAB PE Filmstam sim no ib lub zog txawm qis dua. Cov ntaub ntawv no yog du heev, hydrophobic, thiab tsis - porous. Offset Ink Adhesion ntawm xws li cov substrates yog feem ntau tsis muaj zog tshwj tsis yog lub npoo tau kho lossis kho tshuaj kho. Nkag siab txog cov kab sib txawv no ua rau cov ntawv luam tawm los kho cov kua mis ua qauv los yog xaiv cov txheej txheem tsim nyog los ua tiav kev ua tau zoo.

 

Ink tsheb lub tsheb thiab cov khoom lag luam sib xyaw nrog cov sib txawv substrates

 

Lwm qhov tseem ceeb hauv offset number case adhesion yog tusKev sib xyaw ntawm lub taub hau tshebCov. Lub tsheb kaw feem ntau suav nrog cov resins, roj, kua roj vanish uas txiav txim siab yuav ua li cas tus number case coj tus cwjpwm rau cov ntawv lossis cov khoom ntim khoom.

 

Resins yog cov khoom tseem ceeb rau zaj duab xis tsim.Alkyd Resins, Cov Khoom Siv Phenolic Pheins, Hydrocarbon Resins, thiab hloov cov roj zaubTxhua yam kev cuam tshuam zoo npaum li cas tus number case adheres mus rau ntau hom substrates. Resin sib raug zoo yog qhov tseem ceeb vim tias txawm hais tias tus number case wets saum npoo, nws yuav tsis thauj tog rau nkoj yog tias lub resin muaj kev cuam tshuam tsis zoo nrog lub substrate.

 

Ntawm daim ntawv tsis muaj ntaub ntawv, lub khob dej num tuaj yeem ua qee yam nqus mus rau hauv cov network fiber ntau, tso cai rau lub resin los xauv cov xim hauv qhov chaw. Lub ntuj ceeb toom no anchoring mechanism muaj zoo adhesion, txawm tias cov qauv cob cov qauv.

 

Txawm li cas los xij, thaum luam ntawv raucoated Tshuag, lub chaw cob muaj yuav tsum sib cuam tshuam nrog cov ntxhia - raws cov txheej. Qee cov txheej txheej yog alkaline, thaum lwm tus acidic. Ink cov tuam txhab tsim kho cov teeb meem kev ua kom haum rau cov xwm txheej no. Piv txwv li, inks siv rau alkaline -} coated ntaub ntawv yuav tsum tsis txhob resin system to saponification.

 

Thaum luam ntawv rauZaj duab xis -} based cov ntaub ntawv, cov khoom ua haujlwm tsis ua haujlwm feem ntau ua tsis tau zoo vim tias lawv tsis tuaj yeem nkag mus rau lossis siv lub suab nrov. UV offset inks tau siv ntau dua nyob rau hauv cov rooj plaub no. UV {- Tshuaj Acrylic Ua ib qho muaj zog polymer network tom qab kho kom khov rau ntawm qis-} nqus tau cov chaw.

 

Lwm qhov tseem ceeb yog tusTshuabCov. Oxidation - kev teeb inks xav tau oxygen, thaum nkag mus rau inks rely rau ntawm daim ntawv nqus. Yog tias cov txheej txheem xaiv cov txheej txheem tsis phim cov yam ntxwv ntawm substrate, ziab {}}} thiab yog li ntawd,} yuav tsis zoo.

 

Txheej, Lamination, thiab cov kev kho kom nto uas cuam tshuam adchesion

 

Cov Ntawv Luam Ntawv niaj hnub tuaj nrog ntau hom xim pleev xim av lossis cov txheej txheem teeb meem uas cuam tshuam rau hauv cov kua txob. Qhov siab ntawm siab - Cov ntaub ntawv ntim tau zoo tau ua cov kev kho mob uas muaj ntau.

 

Piv txwv li,Gloss -} Coated thiab matte -} coated ntaub ntawvFeem ntau muaj cov khaubncaws sab nraud pov tseg ntawm ntxhia pigments thiab binders. Cov txheej no yog tus thiab tsis zoo, uas txhim kho cov duab zoo tab sis nplooj me me chav rau kev nkag mus rau lwm tus. Yog tias cov txheej nruj heev lossis polished, adhesion yuav nyob ntawm cov tshuab ntsuas hluav taws xob ntau dua li kev siv tshuab anchoring.

 

Qee cov txheej txheem txheej txheem tshwj xeebpolymer - Raws Li Teeb Meem Txheej Txheem, xws li polyethylene (PE), polypropylene (pp), lossis acrylic txheej. Cov txheej txheej no yog tsim los tiv thaiv dej, roj, lossis noo noo tsiv teb tsaws. Thaum lawv txhim kho kev ua tau zoo, lawv kuj yuav txo cov kua mem kua dawb vim tus number cas thiaj tsis tuaj yeem nkag mus rau qhov chaw sib khi no. Yuav tsum tau ua cov kis tshwj xeeb rau cov qhab nias tshwj xeeb lossis cov txheej txheem txheej txheem txheej txheem yuav tsum ua kom txhim kho cov ntawv luam tawm.

 

Hauv kev lag luam ntim khoom,Cov ntaub ntawv Laminated-} Piv txwv, daim ntawv laminated nrog cov yeeb yaj kiab yas lossis ntawv ci- tam sim no txawm tias muaj kev sib tw ntau dua. Cov txheej txheem no yuav tsum tau tsim tshwj xeeb tshwj xeeb tsim rau tsis - peem cov chaw. UV offset inks lossis hybrid inks nrog cov khoom nplaum muaj zog cov peev txheej feem ntau nyiam.

 

Cov kev kho deg kuj ua lub luag haujlwm tseem ceeb.Corona Kev Kho Mob, feem ntau yog siv nyob rau hauv bopp los yog PE Films, nce nto saum lub zog los ntawm kev ntxiv cov pa roj polar, ua rau cov kav dej sib ntxiv.Nplaim taws khotuaj yeem ua tiav cov nyhuv zoo sib xws rau qee yam ntaub ntawv. Ntawm daim ntawv sab, kho mob xws lisizing, calendering, lossis av nplaum txheejHloov kev nqus thiab smoothness, ncaj qha cuam tshuam cov adhesion.

 

Cov tshuab luam ntawv yuav tsum paub txog txhua txheej txheej thiab kev kho mob nthuav qhia rau ntawm cov khoom siv. Xaiv cov qauv tshuaj mem tes tsim nyog thiab, thaum tsim nyog, siv pre -}} Kev kho mob pab kom ntseeg tau tias cov khoom sib dhos kom zoo.

 

Nto smoothness, porosity, thiab cov tshuab kho tshuab txhais tes cuam tshuam

 

Neeg kho tshuab thauj tog no yog lwm qhov tseem ceeb rau kev nplaum hauv cov luam ntawv offset. Nws yog hais txog kev cuam tshuam lub cev ntawm tus number case zaj duab xis nrog lub pores me me, fibers, lossis voids tam sim no ntawm cov khoom saum npoo.

 

Cov ntaub ntawv nrogPorosity siab dua, xws li tsis muaj qhov sib luag ntawm daim ntawv lossis rov ua kraft board, tso cai rau mem tes los ua ib nrab nqus. Qhov no tsim ib qho kev sib xyaw muaj zog uas txhawb nqa cov nplaum txawm tias thaum muaj kev sib xyaw ua tau zoo tagnrho tsis zoo. Txawm li cas los xij, Porosity ntau dhau tuaj yeem ua rau cov pa memk thiab txo cov ntse nyob rau hauv cov ntsiab lus zoo.

 

Hauv kev sib piv, cov ntaub ntawv nrogtsawg porosity, nrog rau coated ntawv thiab polymer zaj duab xis, muab me me chav rau kev nkag mus. Ntawm cov npoo no, adhesion nyob ntawm ntau dua ntawm kev siv hluav taws xob thiab kev tsim khoom. Yog tias cov saum npoo yog dhau lawm, cwj mem zaum zoo li ib txheej xim nyias nyias yam tsis muaj kev phom sij, ua rau muaj kev phom sij, ua rau muaj kev phom sij, ua kom tawg, lossis yooj yim rub} tawm.

 

Nto roughness tseem tseem cuam tshuam adhesion. Coated cov ntawv uas tau txo qis dua rau lub ntsej muag ci ci yuav muaj daim iav - ruits uas txwv tsis pub siv. Matte Txheej ci feem ntau muaj micro -}}}}}}}}}}}}}}}}}}} illes cov nplaum me ntsis tab sis tseem tsis phim cov peev xwm tsis muaj peev xwm ntawm cov khoom lag luam tsis muaj peev xwm.

 

Ntim khoom xws liCorrugated Boardmuaj cov chaw tsis sib xws, cov chaw tsis sib xws. Ink Adhesion ntawm cov npoo sib txawv thoob plaws ntawm cov peaks thiab hav ntawm daim ntawv qauv. Nyob rau hauv cov xwm txheej zoo li no, adhesion feem ntau muaj zog heev, tab sis luam tawm cov ntsiab lus yuav cuam tshuam. Nkag siab cov yam ntxwv saum npoo no ua rau cov tshuab luam ntawv kom hloov cov kua nyeem tuab, lossis chaw ua kom zoo dua ntawm cov ntawv nplaum sib txawv ntawm cov ntawv cim cov ntawv sib txawv.

 

Ib puag ncig thiab nias cov xwm txheej uas cuam tshuam cwj mem kua nplaum

 

Kev luam tawm cov kev mob ntawm cov xovxwm tseem tuaj yeem cuam tshuam tau ntau yam kua mem kua qab adhesion. Txawm hais tias tus number case thiab substrate yog sib phim zoo, ib puag ncig tsis zoo lossis cov xov xwm tsis raug cai tuaj yeem ua rau muaj kev ua kom muaj zog.

 

Vaum yog ib qho tseem ceeb. Ntawv nqus noo noo yooj yim. Thaum daim ntawv ntawd muaj ntau noo noo heev, nws saum npoo ua softer thiab tsawg dua txais tsis pub tus cwj mem. Tshaj dhau cov av noo kuj tseem tuaj yeem cuam tshuam qhov chaw ua kom haum seem, ua rau emulsification uas cuam tshuam nrog cov mem hluav taws xob kom raug.

Kub yog lwm yam kev txiav txim siab. Ua kom sov txias tuaj yeem txo tus kua txob viscosity thiab ua rau tus ntxhiab ntws dhau, tiv thaiv tus mem kua los ntawm kev sib sau zaj duab xis ntawm lub substrate. Lub tshuab taws kub txias, ntawm qhov tsis sib xws, tej zaum yuav ua rau lub num hauv qab txhav dhau, ua rau kev tsis zoo ntub thiab tsis muaj zog ntub thiab tsis muaj zog anchoring.

 

Xovxwm ceev kuj tseem ceeb. Thaum luam ntawv ntawm kev kub siab heev, tus number case zaj duab xis yuav tsis muaj sijhawm txaus los pib ziab lossis teeb tsa cov menyuam yaus lossis daim ntawv txuas ntxiv. Qhov no tuaj yeem ua rau smearing, teeb - tawm, lossis txo cov nplaum.

 

TusInk - dej sib npaugyog ib qho ntawm cov tseem ceeb tshaj plaws hauv kev luam tawm offset. Cov dej ntau dhau muaj zog tsis muaj cua nab kuab thiab cuam tshuam nrog kev sib raug zoo. Dej me me, txawm li cas los xij, tej zaum yuav ua rau tus cwj mem kis tau ntau dhau. Kev tswj kom muaj kev sib npaug dej kom zoo kom ua kom muaj cov number cask tseem muaj zog thiab ruaj khov raws li nws hloov mus rau lub substrate.

 

Thaum kawg, cov xwm txheej ntawm nias cov tub luam tub luam, pam vov, thiab cov phiaj kuj cuam tshuam rau hauv nteg nteg - cia. Hnav - tawm cov chais lossis pam vov uas muaj cov khoom xa tawm tsis sib xws tuaj yeem hla daim ntawv.

 

Kev xav tau ruaj khov thiab yuav ua li cas lawv cuam tshuam tus cwj pwm ua kom muaj

 

Cov ntawv thov ntim ntau nyias muaj nyias tus neeg siv khoom thiab cov kev xav tau kav ntev. Cov kev txiav txim siab zoo no cuam tshuam txog theem ntawm cov nplaum ntawm cov nplaum uas xav tau los ntawm tus cwj mem.

 

Piv txwv, cov zaub mov ntim, ntim khoom siv, thiab cov thawv ua kom zoo nkauj feem ntau yauv tuav, khawm, thiab kev thauj mus los. Tus number case ntawm cov txheej txheem no yuav tsum tiv thaiv tawg thaum lub sijhawm folding thiab yuav tsum tuav cov xim ncaj ncees txawm tias muaj kev sib cuag nquag. Yog tias adhesion tsis muaj zog txaus, tus number case yuav flake raws cov muaj yeej, ua kom lub ntsej muag zoo nkauj.

 

Hauv e {{- Kev Lag Luam Ntim lossis hnyav {{{{1} {} Lub zog} Txoj cai Cov mob no yuav tsum muaj inks nrog cov khoom lag luam zoo, cov tshuab hluav taws xob nyuaj, lossis cov ntaub pua rooj tshwj xeeb} tsis kam ntxiv.

Thaum luam ntawv ntawm cov yas - txheej ntim, ntim khoom siv, ncab, lossis yoog kom ncav tau, ncab, lossis hloov dua. Cov nplaum yuav tsum yog qhov zoo tshaj plaws tsis yog rau kev sib raug zoo qub tab sis kuj tseem ua rau muaj kev ua tau zoo thaum txav. UV {- Kev DRY INSKS lossis HYBRID inks feem ntau nyiam rau cov ntawv thov uas xav tau zoo li no.

 

Qee cov ntaub ntawv ntim ntim khoom tseem muaj tshuaj lom neeg raug tshuaj, xws li roj, cov kuab tshuaj, lossis dej noo. Siv tau rau kev tiv thaiv txheej txheem txheej txheem, tab sis cov txheej txheej no tseem txwv tsis pub cov kua nplaum. Cov tshuab luam ntawv yuav tsum nrhiav qhov sib npaug ntawm kev thaiv kev ua tau zoo thiab sau cov ntawv nthuav tawm.

 

Nkag siab txog qhov tseeb - ntiaj teb cov xwm txheej uas cov khoom luam tawm, lossis noo noo}