Xaiv tus number case: cov kev khiav dej num uas muaj kab mob ntau
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov mus saib
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Xaiv tus cwj mem xaj rau ib daim ntawv thov tshwj xeeb yog qhov tseem ceeb rau txhua tus txheej txheem luam ntawv. Kev cob qhia kws luam ntawv feem ntau yog siv cov zaj duab xis tuab dua plhaub, uas txawv ntawm lwm cov kev luam tawm hauv kev lag luam luam. Tsis muaj lwm cov txheej txheem luam ntawv muaj qhov zoo xws li lub teeb ci ntom nti, txhav thiab ua haujlwm ntev. Raws li cov cim naj npawb zaj duab xis luam tawm, nws muaj kev pom zoo hauv cov luam tawm tsis ncaj lossis muag khoom muag. Pab kom xaiv cov hauv qab rau ib qho qee yam substrate, cov kev khiav dej num uas siv tam sim no siv tau piav qhia hauv qab no.
Ua ntej, UV number case
Ntawm tag nrho cov ink number systems tam sim no siv, UV number case series tau muaj feem xyuam loj heev hauv kev lag luam paj luam yeeb muag dhau 10 xyoo dhau los.
UV inks yog cov duab thaij duab uas piv tau qhov hnyav raws li cov phom leej hau thiab cov hmoov qhuav kom qhuav. Hauv qhov hnyav, qhov hnyav ua ib zaj duab xis qhuav thaum nws tawm cov xaj kua. UV tshuaj muaj pes tsawg leeg muaj oligomers, monomers thiab photoinitiators. Cov cwjpwm xeb hnyav muaj cov ntxhib, thiab UV number case muaj ib lub oligomer - txawv txav ntawm qhov uas siv los ua hom evaporation hom kab co. Lub oligomer yuav chwv nrog cov monomer hauv cov tshuaj muaj pes tsawg leeg. Monomers yog cov sib piv ntawm cov kuab tshuaj (UV inks). Lub monomer ua raws li tus cab kuj muab qhov viscosity ntawm tus number case uas yuav tsum tau luam tawm.
Hauv UV inks, qhov txheej txheem yog 100% curable vim txhua yam hauv lub txheej yuav hloov ntawm cov kua rau khoom.
Txoj kev ruaj khov yog ua kom muaj zog los ntawm ib tus kws yees duab. Lub yees duab yog ib tug cocatalyst rau cov tshuaj tiv thaiv, uas yog qhov dawb radical los sis cov hlua pendant ntawm molecule yog flanked los ntawm lwm yam molecules, ua rau polymerization ntawm tag nrho UV number case txheej. UV phom tuaj yeem tuaj yeem tuag taus, khoov thiab sib sau, thiab tswj kev tiv thaiv zoo thiab khoov tawm, tsawg kawg yog tsib xyoos sab nraum zoov. UV inks muaj ntau yam khoom zoo heev uas piv rau qhov hnyav evaporative inks. Hauv kev luam ntau, 8-10 ko taw ntev UV reactor tau noj 60 fais fab ntawm cov khoom siv cav tov, uas ua rau txo nqi. Tam sim no, qhov teeb meem luam tawm ntawm UV inks yog maj mam txo, tsis tsuas yog tus viscosity ntawm tus number case tsis hloov, tab sis kuj tus number case tsis evaporate. Plaub xim luam tawm tau yooj yim dua los ntawm kev tswj zoo ntawm cov phev ua hauv ntau lawm.
Qhov thib ob, kua dej raws li UV
Tej co luam ntawv siv cov dej hauv UV ua ntu zus uas muaj cov ntsiab lus khib nyiab uas muaj raws li qhov yuav tsum tau luam tawm rau cov ntawv tsis muaj ntaub ntawv. Cov high ratio ntawm noo noo zoo heev txo cov thickness ntawm cured number case zaj duab xis. Cov cwj mem no muaj peev xwm muab diluted nrog dej los yog lub vijtsam tuaj yeem ntxhua nrog dej.
Dej raws UV hauv phom yuav tsum tau siv zog UV tsawg dua cov pa roj carbon dioxide ntau dua.
Ib qho tsis zoo ntawm kev siv dej hauv UV hauv phom yog tias nws tsis yooj yim los tuav ib daim ntawv zoo li ntawv los yog cov ntawv ntxeem tau. Ntawv ntug ua kom tawv nqaij yog ib qho teeb meem tshwm sim thiab daim ntawv absorbs dej sai. Lub cev yuav tsum tso dej tawm sai sai tsis cuam tshuam qhov kev cuam tshuam ntawm txoj kab sib txawv ntawm txoj kab.
Thib peb, tus cwj mem raws li tus qauv dej
Dej ua rau hauv cov dej tsis zoo lawm. Qhov feem ntau siv duab duab luam tawm, tshwj xeeb tshaj yog cov ntawv luam tawm cov nroj tsuag uas feem ntau siv ntau tshaj 80 phaus. Thaum lub cuav zaj duab xis qhuav lawm, daim ntawv luam tawm tsis tshua muaj ntsis ntsws los yog nkhaus. Vinyl thiab hlau substrates siv tsawg heev daim ntawv sau npe. Cov tshuaj hardeners feem ntau yog siv hauv kev tsim los txhim kho cov yeeb yaj kiab, tab sis nws yooj yim ua kom muaj kab txaij ntau dua thaum txiav txim siab tuag taus, yog li tus mem ntawm lub cwj mem xwv yuav tsum raug coj mus rau hauv tus account.
Cov kaus poom dej muaj feem xyuam rau hauv cov khoom ntawm styrene, polyolefins, cov ntawv xov xwm, thiab lwm yam, thiab lawv tuaj yeem siv los tsim cov khoom ruaj khov thiab cov tshuaj lom thiab dej uas tsis haum.
Plaub, epoxy resin number case
Yog tias epoxy reagin kom zoo, nws yuav muaj cov khoom zoo tiv thaiv ntau yam substrates, xws li iav, hlau, tais ntoo, ntoo, yas, thiab ntau lwm yam ntaub ntawv.
Epoxy resins raug faib ua ob kab sab nraud: ib qho ua ke thiab ob tog. Ib cov tshuab tivthaiv kabmob yog tsim nrog thermosetting resins uas yuav tsum tau ci thiab tsis cua qhuav. Ob-tivthaiv kabmob yuav tsum sib ntxiv ntawm cov tshuaj lossis lub tshuab ua kom muaj zog thiab kom zoo dua ntawm cov cua tshuab, uas yog tam sim no muaj nyob rau hauv cov formulations ci.
Ob peb catalysts yuav ntxiv rau epoxy inks kom nyiaj mus rau txhua yam khoom siv. Muaj ob lub tshuab hluav taws xob lub cev muaj ntau lub txee ntau dua li ib qho chaw, thiab cov xim tsis thim tsis thev sai sai. Lub "lub neej lauj kaub" yog ib qho kev txwv uas siv tus cwj mem. Lub sij hawm txwv ntawm qhov viscosity ntawm tus number case ntawm qhov screen feem ntau yog teev nyob rau hauv lub sij hawm lossis feeb. Hloov cov epoxy reag nrog cov tshuaj hnyav tsis muaj feem los yog ua rau lub lauj kaub hauv lub neej.
Thib tsib, nyiaj kub thiab nyiaj xim hmoov av
Thaum xav tias kev siv nyiaj kub thiab nyiaj xim hmoov av rau qhov kho kom zoo nkauj, nws yog ib qho tsim nyog yuav tau siv ib pob thiab nyiaj cov hmoov xim nrog ib khi. Kev kub-nyiaj xim yuav tsum ntab rau ntawm qhov kos xim ntawm tus cwj pwm zaj duab xis thiab muab ntxig rau nws thaum ziab thiab tua. Cov txheej txheem nyob rau hauv cov kub thiab cov hmoov hmoov sib khib ib leeg yog hu ua hlau hmoov ncua.
Cov khoom kub thiab cov hmoov txhuam hniav tau tam sim no ntxiv rau cov hnyav, dej raws thiab UV phom. Kub thiab nyiaj cov hmoov tswj nws cov kev zoo nyob rau hauv acrylic thiab vinyl resins. Txij thaum kub thiab nyiaj cov hmoov yuav oxidize thaum raug dej, nws yuav ua rau muaj teeb meem rau cov dej hauv cov phoojywg. Rau UV inks, qhov ruaj ntseg ntawm tus cuav xyaw qis ntev rau ib lub sij hawm luv luv. Nws yog qhov paub zoo tias 0mm zinc, tooj liab thiab lwm yam kev sib tsoo hlau sib tsoo siv. Txawm li cas los, qhov phenomenon ntawm gloss darkening feem ntau tshwm sim, feem ntau vim yog kev incorrect membrane mixing. Cov hmoov kub thiab cov nyiaj tsis haum rau cov neeg tsis tuaj yeem tawm sab nraud vim lawv qhov ntawd ua rau txo qis rau cov xim hlau. Tam sim no muaj cov ntaub ntawv pob laminate uas tiv thaiv kub thiab nyiaj pigments. Nyob rau hauv rooj plaub uas cov hmoov thiab cov hmoov hmoov tsis tswj kom muaj qhov yuav tsum tau ci thiab kub, lub tshuab luam ntawv tej zaum kuj hloov nws nrog pearlescent pigment. Hmoov tsis, pearlescent pigments tsis muaj lub zog zais ntawm kub thiab nyiaj pigments.
Sixth, yas, ntawv thiab hlau luam phev
Yas, ntawv thiab hlau luam hauv qab tsim kom muaj feem ntau ntawm cov cwj mem uas siv rau hauv cov duab luam thiab cov neeg ua haujlwm luam ntawv. Yog tias koj tsis siv cov qauv thib ob rau kev luam ntawv, tiam sis koj muaj kev npaj yuav siv rau yav tom ntej, koj tuaj yeem saib cov txuj ci uas tau hais hauv qab no, uas yuav pab koj xaiv.
1, yas printing number case
Cov yas ntawv cim yas yog qhuav los ntawm evaporation, oxidation los yog polymerization thiab cov ntaub ntawv ib daim ntawv cog khoob rau lub hnab yas, uas zoo li corrosion. Ntawm qhov tod tes, oxidized thiab polymeric inks yuav tau nyiaj mus rau ib tus neeg ntxim siab heev uas hu ua neeg ua hauj lwm kho hniav. Cov phev no siv tau rau hauv cov thermoplastic thev kauv ua kom tawv heev xws li polyethylene thiab polyester.
Cov voj voos ntim hauv tshuab luam yeeb yog siv los luam cov khoom siv thermoplastic xws li acrylic acid, cellulose acetate, butyrate, nitrocellulose, polyvinyl chloride, thiab ua ke ntawm nws. Cov kabmob no yog siv rau cov tshuab nqus plua plav, tab sis lawv cov laus yuav tsum tau soj xyuas kom nquag vim lawv poob lawv cov kabmob vim lub caij nyoog raug lub teeb thiab kub. Qee cov yeeb yaj duab yas, xws li acrylic acid, styrene, thiab lwm yam., Muaj cov kab nrib pleev ntawm qhov chaw thaum cov tshuaj ua kom raug siv hauv cov kua roj vanish. Cov kab nrib pleev yuav nrhiav tau lig dhau lawm, qee zaum kom txog thaum cov luam tawm tag nrho. Thaum luam ntawv rau cov khoom siv acrylic lossis styrene, tshwj xeeb yog cov qauv hauv thom khwm yuav tsum raug siv los tiv thaiv qhov teeb meem no.
UV ziab ntawm cov tshuaj polyethylene yuav ua tau nyob hauv ob peb feeb. Tsis muaj UV-raug lub cev muaj zog raws li tus neeg siv yuav tsum muaj rau ntau yam khoom. Polystyrene thiab PVC siv ib qho kua number case, thaum polyethylene thiab polypropylene siv ntau hom kua tooj.
Cov kev ua haujlwm ntawm diffusion number case yog ib lub xim uas tuaj yeem nkag mus rau los yog diffuse mus rau qee yam substrates. Cov dyes no yuav muab los ntawm kev ntsuas pa tshuaj thiab muab tso rau hauv qhov cub ntawm 180 ° F rau 30 feeb. Thermal diffusion melts lub zas rau hauv cov yas, ua rau nws yog ib feem ntawm cov yas.
Lub tshuab xaws number case plaub muaj plaub qhov zoo tshaj plaws: tus number case yog tsis qhuav ntawm qhov screen; tus cwj mem muaj peev xwm raug kho nrog dej los yog glycerin; qhov screen yuav ntxuav nrog dej; thiab cov ntawv luam tawm ua kom tsis muaj zog.
2, ntawv luam tawm cim
Hauv tag nrho cov saum toj no lub tshuab hlwb hlau, cov ntawv luam tawm ntawv luam tawm yog cov uas yooj yim siv thiab tuaj yeem luam tawm ntau yam ntawm coatings thiab cov ntaub ntawv tsis-coated. Yuav khoom cov lus tshaj tawm, cov ntawv xov xwm, cov thawv ntawv, cov paib thiab cov ntawv npav yog txhua yam luam tawm uas siv cov lej no, thiab qhov kho kom zoo nkauj yog qhov zoo heev. Qhov xaus yog qhov sib txawv ntawm gloss, uas feem ntau yog txiav txim siab los ntawm hom ntawm tus cwj mem, tab sis yog hais tias nws xav kom hloov mus rau ib cov degree, ib tug nruab nrab matte los yog ib tus vanish tshwj xeeb yog ntxiv rau tus number case. Yog hais tias nws hloov ntawm lub teeb siab mus rau kev txheem gloss, xws li txhob lo lo ntxhuav, eggshell thiab lwm qhov chaw matt, nws yog qhov zoo tshaj rau kev siv luam ntawv luam tawm.
Tus sawv cev feem ntau tus neeg sawv cev tam sim no yog cov khoom siv hauv kev lag luam, paj rwb ua lag luam thiab ntau lub cev ua haujlwm. Cov phev no muaj ntxiv nrog ib qho tshuaj lossis ua kom tsis muaj zog ua ntej luam tawm kom muab cov cwj mem zoo ntim zoo. Rau feem ntau ntawm cov tshuab xaws, thinners hauv daim ntawv ntawm kev ua txhaum, cov neeg ua haujlwm / cov neeg ua haujlwm ua luam muag ntawv luam dua hauv ib nkas loos dua.
Txheem gloss los yog cov cuab yeej kho hauv tsev yuav tsum tau cua tshuab kom txog 15-20 feeb, hauv cov davhlau qhuav, hauv ob peb feeb. Muaj 200-260 xuab moos / nti npo, qhov nruab nrab luam ntawm ib pluag roj yog muaj li ntawm 1500 square feet (1 square foot = 0.0929 square meters) rau luam tawm nrog lub zog zoo.
3, hlau luam ntawv number case
Ua ntej coated hlau tsis tau ntxiv kev ua cov khoom. Qhov saum npoo tau raug kho thiab coated nrog ib txheej. Polyester coatings thiab acrylic coatings yog ob hom hlau coatings, tiam sis cov hlau yuav tsum ntsuas ua ntej. Yuav kom ua tau raws li cov yam ntxwv ntawm qhov adhesion, cov hlau ntim thiab cov cwj mem yuav tsum ncav cuag 265-280 ° F.
Cov xim hlau luam hlau muaj peev xwm ua tau pa cua los yog thermoset lossis catalytically. Tus luam yeeb yuav raug siv rau hlau ntws los ntawm dov txheej, txau lossis luam ntawv. Tom qab siv cov lus qhia ua ntej no, cov hlau tiv taus shearing, xuas nrig, ua, thiab zoo li no. Qhov xim lwm tus tseem tiv thaiv tus qauv. Cov tshuaj cej luam primer muaj hnub nyoog hauv UV teeb, thiab txheej pob tshab yog siv los tiv thaiv tus nplaim. Lwm cov coatings yuav tsum yog sib npaug kom ua tau zoo ntawm cov coatings.