Okokuqala kunye nokuphambili zombini i-Aqueous (esekelwe emanzini) kunye neengubo ze-UV ziye zafikelela ukusetyenziswa ngokubanzi kwi-Graphics Arts Industry njengeedyasi eziphezulu ezikhuphisanayo. Zombini zibonelela ngokuphuculwa kobuhle kunye nokhuseleko, ukongeza ixabiso kwiimveliso ezahlukeneyo eziprintiweyo.
Umahluko kwiiNdlela zokuNyanga
Ngokusisiseko, iindlela zokomisa okanye zokunyanga zombini zahlukile. Iingubo ezinamanzi zomile xa izakhi zokugquma eziguquguqukayo (kangange-60% yamanzi) zinyanzeliswa ukuba zibe ngumphunga okanye zifakwe kwinxalenye ye-porous substrate. Oku kuvumela izinto eziqinileyo zokugquma ukuba zidityaniswe ukuze zenze ifilimu ebhityileyo, yomile ukuya kuthi ga ekubambeni.
Umahluko ziingubo ze-UV zenziwa kusetyenziswa i-100% yezinto eziqinileyo zolwelo (akukho ziguquguqukayo) ezinyanga okanye ifotopolymerize kwi-low-energy photochemical cross-linking reaction xa evezwe kukukhanya okubukhali kwe-wavelength ultraviolet (UV). Inkqubo yokunyanga ibangela utshintsho olukhawulezayo, ukuguqula ulwelo lube yinto eqinileyo ngoko nangoko (i-cross-linking) yenze ifilimu eyomileyo.
Umahluko kwiZixhobo zokuSebenza
Ngokwezixhobo zesicelo, zombini i-viscosity ephantsi ye-aqueous & i-UV yokugquma ingasetyenziswa ngokufanelekileyo kusetyenziswa i-inker yokugqibela kwiinkqubo zoshicilelo lwe-inki ye-flexo & gravure. Ngokwahlukileyo koko, inkqubo yoshicilelo lwe-web kunye ne-sheet-fed ye-offset ye-litho yokuncamathelisa i-inki ifuna ukuba i-coater-end coater yongezwe ukuze kufakwe i-aqueous okanye i-UV ye-viscosity ephantsi yokugquma. Iinkqubo zesikrini nazo zisetyenziselwa ukufaka iingubo ze-UV.
I-Flexo kunye noshicilelo loshicilelo lwe-gravure bane-solvent eyimfuneko kunye ne-inki emanzi yokumisa umthamo osele ufakelwe ukomisa ngokufanelekileyo iileyiti ezinamanzi. Iinkqubo zoshicilelo ze-web offset zeseti yobushushu nazo zibonakaliswe ukuba zinesakhono sokomisa esiyimfuneko ukomisa izaleko ezinamanzi. Nangona kunjalo, ngomnye umcimbi xa kuqwalaselwa inkqubo yoshicilelo lwe-sheet-fed offset. Apha ukusetyenziswa kweengubo ezinamanzi kufuna ukufakelwa kwezixhobo zokomisa ezikhethekileyo ezibandakanya i-emitters ye-infrared, iimela zomoya oshushu kunye nezixhobo zokukhupha umoya.
Umahluko kwiXesha Lokomisa
Ukuhanjiswa okwandisiweyo kukwacetyiswa ukunika ixesha elongezelelweyo lokumisa. Xa uqwalasela ukomisa (ukunyanga) kweengubo ze-UV okanye ii-inki, umahluko kuhlobo lwezixhobo ezikhethekileyo zokomisa (ukunyanga) ezifunekayo. Iinkqubo zokunyanga i-UV ngokuyintloko zibonelela ngokukhanya kwe-UV okubonelelwa zizibane ze-mercury arc zoxinzelelo oluphakathi, okanye imithombo ye-LED enomthamo owaneleyo wokunyanga ngempumelelo kwisantya somgca esifunekayo.
Iingubo ezimanzi zoma ngokukhawuleza kwaye ingqwalasela kufuneka ihlawulwe ukucoca ngexesha lokushicilela. Umahluko ziingubo ze-UV zihlala zivulekile kucinezelo logama nje kungekho kuvezwa kukukhanya kwe-UV. Iinki ze-UV, ii-coatings, kunye nevanishi azomisi okanye ziplage iiseli ze-anilox. Akukho mfuneko yokucoca phakathi kwee-press runs okanye ngeveki, ukunciphisa ixesha lokunciphisa kunye nenkunkuma.
Zombini ii-aqueous & UV zokugquma zinokubonelela elubala okuphezulu, kunye noluhlu lokugqitywa ukusuka kwiglosi ephezulu, nge-satin ukuya kwi-matte. Umahluko ziingubo ze-UV zinokubonelela ngokugqityezelwa kweglosi ephezulu ngobunzulu obubonakalayo.
Umahluko kwii Coatings
Iingubo ezinamanzi zibonelela ngokucofa okulungileyo, i-mar, kunye nokumelana nebhloko. Iimveliso zokugquma zamanzi ezilungiselelwe ngokukodwa zinokubonelela ngegrisi, utywala, ialkali, kunye nokumelana nokufuma. Umahluko ziingubo ze-UV ngokwesiqhelo, hamba inyathelo eliya phambili linikezela nge-abrasion engcono kakhulu, i-mar, ibhlokhi, imichiza, kunye nokumelana nemveliso.
I-Thermoplastic aqueous coatings ye-sheet-fed offset litho yaphuhliswa ukuba ibe kumgca womgibe omanzi phezu kwee-inki zokucotha zokomisa, ukunciphisa okanye ukuphelisa imfuno yomgubo wokutshiza osetyenziselwa ukuthintela ukuchithwa kwe-inki. Ubushushu bemfumba kufuneka bugcinwe kuluhlu lwe-85-95® ukunqanda ukuthamba kwengubo eyomisiweyo kumaqondo obushushu aphezulu, kunye nokubanakho ukuseta kunye nokuvalwa. Ngokufanelekileyo, imveliso iyaphuculwa njengoko amashiti agqunyiweyo anokulungiswa ngokukhawuleza.
Umahluko ziingubo ze-UV ezifakwe emgceni wokubambisa okumanzi ngaphezulu kwee-inks ze-UV zombini zinyangwa ekupheleni kocinezelo, kwaye amashiti anokuqhubela phambili ngokukhawuleza. Xa UV ukutyabeka phezu lithonga i-inki eqhelekileyo ithathwa primers aqueous kucetyiswa ukuba itywina kwaye unamathele ii-inki ukubonelela ngesiseko Ukwambathisa UV. I-Hybrid UV / ii-inki eziqhelekileyo zingasetyenziselwa ukugatya imfuno ye-primer.
Impembelelo ebantwini, ekutyeni nakwimekobume
Iingubo ezinamanzi zinika umoya ococekileyo, i-VOC ephantsi, utywala obuyi-zero, ivumba eliphantsi, ukutsha okungatshayo, okungeyotyhefu, kunye neempawu ezingangcolisi. Ngokufanayo, i-100% ye-solids ye-UV yokugquma ivelisa akukho kukhutshwa kwe-solvent, zero VOC's, kwaye ayinakutsha. Umahluko umanzi, iingubo ze-UV ezinganyangekanga ziqulethe izinto ezisebenzayo ezinokuthi zibe nevumba elibukhali, kwaye zinokususela kancinci ukuya kobukhali njengeziqhumiso, ezinokubangela ukuchasana nokwaliwa kwabanye abantu. Ulusu namehlo kufuneka kuphetshwe. Kwinqaku elincomekayo, ukunyangwa kwe-UV kuchongwe njenge “Tekhnoloji yoLawulo eFumanekayo eGqwesileyo” (BACT) yi-EPA, ukunciphisa ii-VOC's, ukukhutshwa kwe-CO2, kunye neemfuno zamandla.
Iingubo ezinamanzi zichaphazeleka kutshintsho oluhambelanayo kulo lonke ushicilelo oluqhutywayo ngenxa yokuphuma komphunga kwezinto eziguqukayo, kunye nefuthe le-Ph. Umahluko yi-100% yezinto eziqinileyo Iingubo ze-UV zigcina ukungaguquguquki kucinezelo logama nje kungekho kuvezwa kukukhanya kwe-UV.
Iingubo ezomileyo ezimanzi ziyakwazi ukuphinda zisetyenziswe, ziyakwazi ukubola kwaye zibuyiseleke. Umahluko ngoxa i-UV enyangisiweyo icolwa iyakwazi ukuphinda isetyenziswe kwaye iphinda igaywe, iyacotha kwi-biodegrade. Oku kungenxa yokuba ukunyanga izinto zokwaleka ezinqamlezileyo,
ukuvelisa zombini iipropati eziphezulu zomzimba kunye neekhemikhali ezixhathisayo.
Iingubo ezinamanzi zomile ngokucaca kwamanzi ngaphandle kobutyheli obunxulumene nobudala. Umahluko kukuba i-UV ephilisiweyo i-UV inokubonisa ukungafihli okuphezulu, kodwa kufuneka kuthathelwe ingqalelo ekuyileni kuba ezinye izinto eziluhlaza zinokuvelisa ukutyheli.
Iingubo ezinamanzi ziyakwazi ukuhambelana nemimiselo ye-FDA kuzo zombini ezomileyo kunye / okanye ezimanzi zoqhagamshelwano lokutya okunamafutha. Umahluko kukuba iingubo ze-UV, ngaphandle kweendlela ezithile ezilinganiselweyo, azikwazi ukuhambelana nemimiselo ye-FDA yoqhagamshelwano oluthe ngqo okanye olumanzi / olunamafutha.
Iingenelo
Ngaphandle kweyantlukwano, i-aqueous & i-UV yokugquma yabelana ngeenzuzo ezininzi kwiidigri ezahlukeneyo. Umzekelo, imixube ethile inokunika ubushushu, igrisi, utywala, ialkali, kunye nokumelana nokufuma. Ukongezelela, banokunikezela ngokuguquguqukayo okanye ukuxhathisa kweglue, uluhlu lwe-COF, ukukwazi ukuprinta, ukwamkelwa kwefoyile eshushu okanye ebandayo, ukukwazi ukukhusela i-inki zetsimbi, ukunyuka kwemveliso, ukusetyenzwa kwe-line, ukukwazi ukusebenza kunye nokujika, ukugcinwa kwamandla, ukungabikho kwe-offset, kunye ne-sheetfed offset ukupheliswa komgubo wokutshiza.
Ishishini lethu kwi-Cork Industries kuphuhliso kunye nokuqulunqwa kwe-Aqueous, i-eneji yokunyanga i-Ultraviolet (UV), kunye ne-Electron Beam (EB) i-coatings ekhethekileyo kunye ne-adhesives. I-Cork iyachuma kubuchule bayo bokuqulunqa inoveli, iimveliso eziluncedo ezizodwa ezibonelela umshicileli weshishini lomzobo wobugcisa/ibhatyi inzuzo yokukhuphisana.
Ixesha lokuposa: Mar-21-2025
