Kuv yuav tsum tau tshawb xyuas dab tsi thaum mus yuav cov number casets?

Offset luam ntawv tseem yog ib qho ntawm cov ntsiab lus luam ntawv thev naus laus zis hauv cov kev tshaj tawm niaj hnub no, ntim, thiab cov lag luam luam tawm kev lag luam. Qhov zoo thiab cov yam ntxwv ntawm offset cov ntawv luam ntawv ncaj qha ncaj qha txiav txim siab qhov precision, xim ruaj khov, thiab cov khoom lag luam kawg ntawm cov ntawv luam tawm.

Rau cov tuam txhab siv high - ceev offses cov ntawv luam tawm xws li cov ntawv xov xwm, thiab cov ntawv sau tshwj xeeb rau kev tsim khoom thiab ib puag ncig ua raws ib puag ncig. Yog li ntawd, thaum kev yuav khoom offset luam ntawv inks, ntau ib puag ncig ntawm cov number case, los ntawm cov kab ke kom qhuav ntawm cov number case, thiab cov ntsiab lus ntawm cov kua zaub uas muaj zog (vocs), txhua tus yuav tsum tau mloog.

Tsuas yog los ntawm kev nkag siab cov ntsiab lus tseem ceeb tuaj yeem luam tawm cov khoom lag luam zoo tshaj plaws ntawm cov qauv kev txhim kho kom ruaj khov thiab cov qauv kev lag luam niaj hnub.

Cov phau ntawv yog ib qho ntawm cov tsis tseem ceeb tshaj plaws ntawm cov number case ntawm offset number case, ua lub luag haujlwm rau cov luam tawm thiab cuam tshuam cov gloss, adhesion, thiab yooj. Kev lig kev cai, offset inks tau tsim nrog petroleum {{1} Raws li cov ntxhia yog vim lawv cov swmnity zoo heev. Txawm li cas los xij, nrog lub ntiaj teb kev txav mus rau kev ruaj khov, ntau cov inks niaj hnub siv tam sim no siv roj av, kom txo cov kev cuam tshuam ib puag ncig, kom txo cov kev cuam tshuam ib puag ncig, kom txo ib qho kev cuam tshuam rau ib puag ncig, kom txo ib qho kev cuam tshuam rau ib puag ncig, kom txo cov kev cuam tshuam ib puag ncig, kom txo ib qho kev cuam tshuam rau ib puag ncig, kom txo ib qho kev cuam tshuam.

Cov roj zaub - bandly banding rau eco - Tus phooj ywg luam ntawv hydrocarbons thiab muaj kev txhim kho biodegradabe. Lawv yog qhov zoo tagnrho rau cov ntawv thov xws li phau ntawv luam ntawv, kev tshaj tawm cov lag luam, thiab khoom noj muaj kev nyab xeeb ib puag ncig yog ib qho muag khoom. Ntawm qhov tod tes, rapin - based binders, xws li alkydethan, tau xaiv thaum ua kom zoo dua qub, thiab zoo dua yog xav tau. Cov no haum rau cov ntaub ntawv ntim ntim, thiab qib siab}} ceev offses luam ntawv qhov twg tshuab}} lub sij hawm ruaj khov yog qhov tseem ceeb.

Thaum ntsuas phau ntawv zeem muag, xav txog kev siv zaum kawg ntawm cov khoom luam tawm. Piv txwv li, ntim uas yuav tsum tau yooj yim lossis lamination compatibility txiaj ntsig los ntawm resin-}}}}} kev ua tau zoo thiab ib puag ncig.

Lub luag haujlwm ntawm cov xim dispersion hauv ine kev ua haujlwm

Qhov ua tau zoo ntawm cov pigments nyob rau hauv offset inks tsis tau txiav txim siab los ntawm lawv cov tshuaj lom neeg muaj pes tsawg leeg lossis kev xav tau. Kev rho tawm cov lus tsis zoo ntawm cov xim xim hauv cov phau ntawv txiav txim siab du hauv kev ua kom du mem pa, thiab cov xim du, thiab ruaj khov xim ntom ntom. Cov xim tsis zoo tuaj yeem ua rau thaj chaw tsis sib xws, luam tawm mottling, lossis tsis xav tau kev ntxhib los mos ntawm substrate.

Siab - zoo offset inks siv tsis muaj zog thiab kom txo cov xim me me thiab kom muaj kev faib tawm hauv nruab nrab thoob plaws hauv nruab nrab hauv nruab nrab. Ib qho kev rho tawm finer ua rau cov xim muaj txiaj ntsig zoo, tso cai rau cov pigments kom pom lub teeb tusyees, uas txhais tau ntau cov xim ntawm cov ntawv. Tsis tas li ntawd, zoo -}}}}}}}} Dispersed Pigmotent thaum lub sijhawm ua kom pom tseeb thaum lub sijhawm ua kom viscosity thiab tswj viscosity ntev heev.

Cov tuam txhab luam ntawv yuav tsum nug cov tuam txhab uas dispersion thiab loj npaum li cas siv los ntawm cov neeg muab khoom hauv mem lus. Cov xim niaj hnub ua haujlwm feem ntau ntawm 0.2 txog 1.0 microns, uas ua kom muaj txiaj ntsig zoo sib npaug thiab cov tshuab luam tawm du. Qhov kev nthuav dav qhia, txawm hais tias feem ntau cuam tshuam, cuam tshuam ncaj qha, cov ntsej muag ci, thiab qhov tseeb ntawm ib nrab- daws cov ntawv thov luam ntawv.

Lajlaj thiab huab cua tiv thaiv ntawm cov pigments

LightFastness yog hais txog cov xim muaj peev xwm tiv thaiv kev ploj mus thaum raug rau lub teeb, tshwj xeeb ulteriolet (UV) hluav taws xob. Hauv kev luam ntawv offescent, cov cuab yeej no yog qhov tseem ceeb rau cov ntaub ntawv uas yuav tshwm sim hauv cov khoom pov thawj thaj chaw lossis cov ntawv ntim, cov khoom lag luam sab nraum zoov, thiab cov ntawv tshaj tawm sab nraud. Pigments Nrog cov kev tsis zoo tuaj yeem ua rau pom sai, ua rau pom xim tsis zoo, daj, lossis tonal hloov pauv hauv lub sijhawm luv.

Niaj hnub nimno cov inks me me, kev pom kev nyuaj yog feem ntau txhim kho los ntawm kev siv hluavthaet organic pigments xws li pthalocyanine xiav, quinacridone magenta, thiab isoindolinone daj. Cov pigments no muaj lub zog siv hluav taws xob muaj zog, tso cai rau kev siv Heue txawm tias tsis ntev mus li UV teeb lossis kub. Rau cov ntawv teev tshwj xeeb xws li ntim sab nraum zoov lossis cov ntawv cim hluav taws xob, qee cov tshuaj mem dag zog los ntawm kev sib xyaw ua ke lossis tabkaum

Thaum Sourcing Ink rau cov haujlwm nrog lub caij nyoog zaub lub neej, nco ntsoov tshuaj xyuas lub teeb pom kev ntawm txhua tus xim ntawm 1 txog 8 raws li tus qauv ntaub plaub xiav. Kev ntsuam xyuas ntawm 7-8 qhia kom ruaj khov zoo heev thiab raug pom zoo rau ntev- lub sij hawm siv daim ntawv thov. Xaiv cov Pigments nrog cov nyom siab ua kom cov ntaub ntawv luam tawm tau tuav lawv tus nqi pom kev zoo thiab txo cov nqi kho kom zoo thiab txo cov nqi kho kom zoo dua qub thiab txo cov nqi kho kom zoo dua qub thiab txo cov nqi kho kom zoo dua qub thiab txo cov nqi kho kom zoo dua qub thiab txo cov nqi kho kom zoo dua qub thiab txo cov nqi kho kom zoo dua qub.

Tshuaj lom neeg kuj thiab cov ntawv thov -} Tshwj xeeb muaj kev ruaj ntseg

Offset inks siv hauv kev lag luam, ntim, lossis daim paib xaim feem ntau tuaj rau ntau qhov chaw ib puag ncig xws li roj, cov kuab tshuaj, noo noo, thiab kev ua kom huv. Txhawm rau kom muaj kev kav ntev, cov pigments yuav tsum ua kom pom cov tshuaj muaj zog tiv thaiv kom muaj xim thiab muaj cov kab zoo li no.

Pigments nrog cov tshuaj txom nyem tsis txaus ntseeg tuaj yeem muaj kev los ntshav, kev tsis txaus siab, lossis debroing thaum raug rau cov tshuaj acidic lossis alkaline. Piv txwv li, hauv ntim uas muaj cov pigercents lossis dej haus, qaug zog tiv paus pigments tuaj yeem ua kom muaj dej lossis pleev rau cov kua ua kua. Yog li ntawd, xaiv cov pigments nrog pov thawj nrog cov acids, alkalis, thiab cov kuab tshuaj yog qhov tseem ceeb rau kev tswj cov khoom ntiag tug thiab kev nyab xeeb.

Hauv cov khoom noj thiab cov ntaub ntawv ntim khoom siv, cov qauv tshuaj tsw qab yuav tsum tseem ua raws li kev tsiv teb tsaws thiab kev cai lom. Pigments Siv nyob rau hauv cov ntsiab lus no yuav tsum muaj cov hlau hnyav xws li hmoov txhuas, cadmium, uas txwv tsis pub muaj EU ncav cuag thiab FDA cov qauv. Ntau cov tuam ntxhab tam sim no muaj kev loj hlob qis-

Xim txuam thiab qauv hauv kev lag luam luam ntawv

Nyob rau hauv loj - ntsuas kev lag luam luam ntawv, ua tiav xim sib txuas nrog ntau cov batches yog ib qho ntawm cov haujlwm nyuaj tshaj plaws. Txawm ntau yam kev sib txawv me ntsis hauv cov xim, dispersion zoo, lossis phau ntawv sib xyaw tuaj yeem ua rau pom qhov sib txawv hauv kev tsim khoom hauv Hawj. Txhawm rau zam qhov teeb meem no, kev txawj ua pa tso pa cov qauv siv cov xim qauv qauv thiab cov paj hluav taws xob cov xim los xyuas kom meej.

Kev coj kom qhuav yog qhov tseem ceeb ua tau zoo hauv kev ua haujlwm hauv cov kua mem, tshwj xeeb rau qhov siab - ceev presses. Offset inks feem ntau qhuav los ntawm oxidation thiab polymerization ntawm binder, lossis los ntawm kev nqus mus rau hauv substrate. Qhov tseeb qhov kev sib tw kom qhuav uas tus number case uas tus number case teeb sai txaus los tiv thaiv cov smudging thaum tswj cov gloss thiab xim tob.

Txog kev ua lag luam pressating ntawm kev tawm tsam siab, xaiv cov inks nrog optimized kom qhuav additting thiab dab. Ceev -} txheej inks tau tsim rau kev tawm tsam sai thiab polymerization, zoo tagnrho rau coated ntawv thiab duab los qhia. Ntawm qhov tod tes, oxidation {{3} Tshuaj kho inks yog tsim rau cov ntaub ntawv tsis muaj kev tsis pom zoo thiab xav tau cov cua txaus los txhawb kom qhuav.

Thaum xaiv cov inks, ib txwm ntsuas kev ziab kom qhuav hauv kev sib raug zoo rau cov kev teeb tsa thiab ib puag ncig. Kub, av noo, thiab daim ntawv porosity txhua yam cuam tshuam hauv Ink kev ua tau zoo. Kev tsis sib xws ntawm number case thiab substrate cov yam ntxwv kom muaj peev xwm ua teeb meem xws li ink piling, hmoov, lossis tsis xwm yeem. Niaj hnub nimno ink formulation inlational formulate rheology cov tshuab hluav taws xob tiv thaiv cov tshuab hluav taws xob uas tsis muaj viscosity thiab ziab cov lus teb nyob thoob plaws muaj ntau yam luam tawm.

Rau UV offset luam ntawv, UV {- Txhab inks tshem tawm cov kuab tshuaj evapent evaporation los polymerizing tam sim ntawd hauv qab ultraviolet teeb. Cov cuab yeej thev naus laus zis no tsis {{2} porouss substrates xws li cov lus qhia yas, ua rau nws xaiv cov khoom siv uas nyiam tshaj plaws rau cov ntawv thov hwm thiab cov ntawv sau cia.

Lub luag haujlwm ib puag ncig tau dhau los ua kev txhawj xeeb hauv kev luam thoob ntiaj teb. Vocs (volatile organic compounds) yog cov kuab tshuaj uas yaj thaum lub sijhawm ua kom qhuav, muaj kev phom sij thiab kev noj qab haus huv. Ntau cov cheeb tsam tam sim no tswj lub voc emissions los ntawm cov txheej txheem ib puag ncig nruj, xws li European Union Lub Chaw Haujlwm Ncaj Ncees thiab Asmeskas EPA huv cua Air Act.

Thaum kev yuav cov inks, kos tias cov lus qhia VOC qis dua 10% kom tau raws li qis- kev ua raws cai. Qhov no ua kom pom tseeb tias tus cwj mem ua emits tsawg kawg tsis muaj teeb meem vapors thaum lub tshuab luam ntawv thiab tshaj tawm {{} kev ua. Tsawg - voc Inks yog qhov tseem ceeb rau cov chaw kaw khoom, cov khoom loj uas muaj cov tsev ua haujlwm zoo.

Ntxiv rau cov qib voc, cov tuam ntxhab feem ntau muab pov thawj rau eco - tus phooj ywg inks, suav nrog cov ntawv me me lossis ecologe. Cov cim no tau lees paub tias cov khoom lag luam raws cov qauv kev ruaj khov ua cov qauv ntawm cov khoom nyoos, thiab rov ua dua. Rau cov tuam txhab lag luam mus rau ISO 14001 lossis FSC- voc, zaub ntsuab}}

Ua ntej loj - teev kev saws, luam ntawv cov tuam txhab yuav tsum tau ua kom pom kev zoo thiab ua tau zoo rau cov cwj mem tshiab. Yam xws li cov txheej txheem dej daws teeb meem, cov ntawv nqus tau, cov menyuam roj txias, thiab cov av noo tuaj yeem hloov cov cwj pwm kev coj ua. Ua cov ntawv sau luv luv yuav pab ntsuas cov xim tshuav nyiaj li cas, DOT Sharness, thiab hloov kev ua haujlwm raws li cov xwm txheej tiag tiag.

Ua tib zoo mloog rau number case - dej sib npaug thaum kuaj, li dej emulsification tuaj yeem ua rau cov xim xim lossis ua rau muaj kev ua haujlwm xim. Niaj hnub nimno cov inks tau tsim nrog tswj emulsification ua siab ntev, tab sis nias cov haujlwm yuav tsum tseem zoo- saib xyuas cov txiaj ntsig ph thiab kev ua kom tau zoo.

Rau cov ntawv thov xws li cov zaub mov - tus xa khoom, xyuas kom cov kua member Tsawg - khiav tawm hauv cov neeg tsis raug cai nrog tsis txhob siv tshuaj lom neeg los tiv thaiv kev nyab xeeb tshuaj.

Txawm tias qhov zoo tshaj plaws ink tuaj yeem tsis zoo yog tias tsis daws lossis khaws cia kom zoo. OFFSET INKS yuav tsum khaws cia hauv ib puag ncig tswj nruab nrab ntawm 5℃thiab 30 degree, deb ntawm lub hnub ci ncaj qha los yog cov xwm txheej khov. Huab cua sov tuaj yeem hloov viscosity, ua rau tsis muaj qhov tsis sib xws hloov chaw lossis xim sib txawv. Nco ntsoov hais tias ntim cov thawv kom nruj nreem tom qab siv los tiv thaiv oxidation thiab tawv nqaij tsim ntawm number case.

Ua ntej ntau lawm, do lub number cas kom ntseeg tau cov homogeneous ntawm pigments thiab binders. Piam Sij Hawm Viscosity Pearchs Tau Pom Zoo Rau Siab-}} Cov khoom lag luam kom muaj cov khoom ntws raws cai. Txee lub neej feem ntau yog li ntawm 12 mus rau 24 lub hlis nyob ntawm kev tsim qauv; Kev rub tawm tas sij hawm yuav qhia cov khoom tsis zoo, cov nyom tsis sib xws, lossis ziab qeeb.

Kev siv thawj - hauv {{1} Ua ntej} Rau UV -} Kev DRY inks, cia yuav tsum yog cov ntim khoom noj kom tiv thaiv kev ua ntej pib raug.

Qhov twg substrates ua haujlwm zoo tshaj plaws nrog offset number case?

Dej li cas - beek} Base} Base}-} bankion k: ib qho kev lag luam kev lag luam