{"id":5447,"date":"2022-08-11T13:01:47","date_gmt":"2022-08-11T13:01:47","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5447"},"modified":"2026-08-25T08:50:56","modified_gmt":"2026-08-25T08:50:56","slug":"the-complete-guide-to-uv-curing-ink-in-use-in-the-problem","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/tr\/the-complete-guide-to-uv-curing-ink-in-use-in-the-problem\/","title":{"rendered":"UV Ink Curing Problems: Causes, Measurements & Fixes"},"content":{"rendered":"

H\u0131zl\u0131 cevap:<\/strong> UV ink curing problems should be diagnosed from measured irradiance and dose, film build, pigment absorption, substrate condition and intercoat requirements. Adding more photoinitiator is not a substitute for identifying the limiting stage.<\/p>\n

Build a focused UV-ink screening set<\/h2>\n

Use lamp spectrum, film thickness, pigment loading and color target to choose a small photoinitiator screen. The CHLUMINIT\u00ae 819 photoinitiator<\/a> page is a relevant reference for an acylphosphine-oxide route; CHLUMINIT\u00ae 1173<\/a> ve CHLUMINIT\u00ae ITX<\/a> represent different screening routes. Do not rank them without the current TDS, lamp emission and real ink drawdowns.<\/p>\n

I. M\u00fcrekkep a\u015f\u0131r\u0131 k\u00fcrlendi\u011finde ne olur?<\/h2>\n

M\u00fcrekkebin y\u00fczeyinin \u00e7ok fazla UV \u0131\u015f\u0131\u011f\u0131na maruz kald\u0131\u011f\u0131nda daha da sertle\u015fece\u011fine dair bir teori vard\u0131r. Ve bu sertle\u015fmi\u015f m\u00fcrekkep filmi \u00fczerine ba\u015fka bir m\u00fcrekkep bas\u0131ld\u0131\u011f\u0131nda ve ikinci kez kurutuldu\u011funda, \u00fcstteki m\u00fcrekkep ile alttaki m\u00fcrekkep aras\u0131ndaki yap\u0131\u015fma zay\u0131flar.<\/p>\n

Di\u011fer teori ise a\u015f\u0131r\u0131 k\u00fcrlemenin m\u00fcrekkep y\u00fczeyinde foto-oksidasyona neden olmas\u0131d\u0131r. Foto-oksidasyon, m\u00fcrekkep filmi y\u00fczeyindeki kimyasal ba\u011flar\u0131n k\u0131r\u0131lmas\u0131yla meydana gelir ve m\u00fcrekkep filmi y\u00fczeyindeki molek\u00fcler ba\u011flar bozulur veya hasar g\u00f6r\u00fcrse, ba\u015fka bir m\u00fcrekkep tabakas\u0131 ile aras\u0131ndaki yap\u0131\u015fma azalacakt\u0131r. A\u015f\u0131r\u0131 k\u00fcrlenmi\u015f m\u00fcrekkep filmi sadece zay\u0131f esnekli\u011fe sahip olmakla kalmaz, ayn\u0131 zamanda y\u00fczey k\u0131r\u0131lganl\u0131\u011f\u0131na da e\u011filimlidir.<\/p>\n

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2, neden genellikle UV m\u00fcrekkep k\u00fcrlenme h\u0131z\u0131 di\u011fer m\u00fcrekkeplerden daha y\u00fcksektir?<\/h2>\n

UV m\u00fcrekkep genellikle belirli alt tabakalar\u0131n \u00f6zelliklerine ve belirli uygulamalar\u0131n \u00f6zel gereksinimlerine g\u00f6re form\u00fcle edilir. Kimyasal a\u00e7\u0131dan bak\u0131ld\u0131\u011f\u0131nda, m\u00fcrekkebin k\u00fcrlenme h\u0131z\u0131 ne kadar y\u00fcksek olursa, k\u00fcrlendikten sonra o kadar az esnek olur. Tahmin edebilece\u011finiz gibi, m\u00fcrekkep k\u00fcrlendi\u011finde, m\u00fcrekkep molek\u00fclleri \u00e7apraz ba\u011flan\u0131r, e\u011fer bu molek\u00fcller \u00e7ok say\u0131da molek\u00fcler zincir olu\u015fturur ve \u00e7ok say\u0131da \u00e7atallanma varsa, m\u00fcrekkep \u00e7ok h\u0131zl\u0131 k\u00fcrlenir, ancak \u00e7ok esnek olmaz; e\u011fer bu molek\u00fcller daha az molek\u00fcler zincir olu\u015fturur ve \u00e7atallanma yoksa, bu m\u00fcrekkep \u00e7ok yava\u015f k\u00fcrlenebilir, ancak kesinlikle \u00e7ok esnek olacakt\u0131r. \u00c7o\u011fu m\u00fcrekkep, uygulaman\u0131n ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak \u00fczere tasarlanm\u0131\u015ft\u0131r. \u00d6rne\u011fin, membran anahtarlar\u0131n \u00fcretimi i\u00e7in tasarlanan m\u00fcrekkepler i\u00e7in, k\u00fcrlenmi\u015f m\u00fcrekkep filmi laminasyon yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131yla uyumlu olmal\u0131 ve kal\u0131p kesme ve kabartma gibi sonraki i\u015flemlere uyum sa\u011flayacak kadar esnek olmal\u0131d\u0131r. M\u00fcrekkepte kullan\u0131lan kimyasal malzemelerin alt tabakan\u0131n y\u00fczeyi ile reaksiyona girmemesi gerekti\u011fini, aksi takdirde \u00e7atlama ve k\u0131r\u0131lma veya delaminasyon gibi olaylara neden olaca\u011f\u0131n\u0131 belirtmek gerekir. Bu t\u00fcr m\u00fcrekkeplerin k\u00fcrlenme h\u0131z\u0131 genellikle yava\u015ft\u0131r. Buna kar\u015f\u0131l\u0131k, kartlar\u0131n veya sert plastik ekran panolar\u0131n\u0131n \u00fcretimi i\u00e7in tasarlanan m\u00fcrekkeplerin bu kadar y\u00fcksek derecede esnekli\u011fe sahip olmas\u0131 gerekmez ve uygulaman\u0131n ihtiya\u00e7lar\u0131na ba\u011fl\u0131 olarak daha h\u0131zl\u0131 kururlar. M\u00fcrekkebin h\u0131zl\u0131 m\u0131 yoksa yava\u015f m\u0131 kurudu\u011fu konusunda, *son uygulamay\u0131 g\u00f6z \u00f6n\u00fcnde bulundurarak ba\u015flamal\u0131y\u0131z. Dikkat edilmesi gereken bir di\u011fer konu da k\u00fcrleme ekipman\u0131d\u0131r. Baz\u0131 m\u00fcrekkepler ba\u015flang\u0131\u00e7ta \u00e7ok h\u0131zl\u0131 k\u00fcrlenebilir, ancak k\u00fcrleme ekipman\u0131n\u0131n verimli \u00e7al\u0131\u015fmamas\u0131 nedeniyle m\u00fcrekkebin k\u00fcrlenme h\u0131z\u0131n\u0131n yava\u015flamas\u0131na veya k\u00fcrlenmenin tamamlanmamas\u0131na da yol a\u00e7abilir.<\/p>\n

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3\u3001UV m\u00fcrekkep kullan\u0131ld\u0131\u011f\u0131nda polikarbonat (PC) film neden sarar\u0131r? Polikarbonat y\u00fczey direncinin sararmas\u0131 nas\u0131l \u00f6nlenir veya ortadan kald\u0131r\u0131l\u0131r?<\/h2>\n

Polikarbonat, dalga boyu 320nm'den az olan UV \u0131\u015f\u0131\u011f\u0131na kar\u015f\u0131 daha hassast\u0131r. Film y\u00fczeyinin sararmas\u0131, foto-oksidasyonun neden oldu\u011fu molek\u00fcler zincirlerin k\u0131r\u0131lmas\u0131ndan kaynaklan\u0131r. Plastik molek\u00fcler ba\u011flar UV enerjisini emer ve havadaki oksijenle reaksiyona girerek plasti\u011fin g\u00f6r\u00fcn\u00fcm\u00fcn\u00fc ve fiziksel \u00f6zelliklerini de\u011fi\u015ftiren serbest radikaller \u00fcretir.<\/p>\n

Polikarbonat film \u00fczerine bask\u0131 yapmak i\u00e7in UV m\u00fcrekkepler kullan\u0131l\u0131rsa, y\u00fczeyindeki sararma azalt\u0131labilir, ancak tamamen ortadan kald\u0131r\u0131lamaz. Bu sararman\u0131n g\u00f6r\u00fcn\u00fcm\u00fc, polikarbonat\u0131n zarar g\u00f6rmesini \u00f6nlemek i\u00e7in k\u0131sa dalga boylu UV \u0131\u015f\u0131\u011f\u0131n\u0131n emisyonunu azaltan demir veya galyum eklenmi\u015f k\u00fcrleme ampulleri kullan\u0131larak etkili bir \u015fekilde azalt\u0131labilir. Buna ek olarak, her bir m\u00fcrekkep renginin uygun \u015fekilde k\u00fcrlenmesi, alt tabakan\u0131n UV \u0131\u015f\u0131\u011f\u0131na maruz kalma s\u00fcresini azaltmaya ve polikarbonat filmin renginin solma olas\u0131l\u0131\u011f\u0131n\u0131 azaltmaya yard\u0131mc\u0131 olur.<\/p>\n

4. UV k\u00fcrleme lambas\u0131ndaki ayar parametresi (watt\/inch) ile radyometrede g\u00f6rd\u00fc\u011f\u00fcm\u00fcz okuma (watt\/cm2 veya miliwatt\/cm2) aras\u0131ndaki ili\u015fki nedir?<\/h2>\n

W\/inch, Ohm yasas\u0131 volt (voltaj) x amper (ak\u0131m) = watt (g\u00fc\u00e7) temeline dayanan k\u00fcrleme lambas\u0131n\u0131n g\u00fc\u00e7 birimidir; watt\/cm2 veya miliwatt\/cm2 ise radyometre k\u00fcrleme lambas\u0131n\u0131n alt\u0131ndan ge\u00e7erken birim alan ba\u015f\u0131na d\u00fc\u015fen en y\u00fcksek ayd\u0131nlatmay\u0131 (UV enerjisi) g\u00f6sterir.<\/p>\n

Tepe ayd\u0131nl\u0131\u011f\u0131 \u00f6ncelikle k\u00fcrleme lambas\u0131n\u0131n g\u00fcc\u00fcne ba\u011fl\u0131d\u0131r. Tepe ayd\u0131nl\u0131\u011f\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in watt kullan\u0131r\u0131z \u00e7\u00fcnk\u00fc bu, k\u00fcrleme lambas\u0131 taraf\u0131ndan t\u00fcketilen elektrik g\u00fcc\u00fcn\u00fc temsil eder. K\u00fcrleme \u00fcnitesi taraf\u0131ndan al\u0131nan g\u00fcce ek olarak, tepe ayd\u0131nl\u0131\u011f\u0131n\u0131 etkileyen di\u011fer fakt\u00f6rler aras\u0131nda k\u00fcrleme lambas\u0131n\u0131n ya\u015f\u0131, reflekt\u00f6r\u00fcn durumu ve geometrisi ve k\u00fcrleme lambas\u0131 ile k\u00fcrleme y\u00fczeyi aras\u0131ndaki mesafe yer al\u0131r.<\/p>\n

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5\u3001mJ ve mW aras\u0131ndaki fark nedir?<\/h2>\n

Belirli bir s\u00fcre i\u00e7inde belirli bir y\u00fczeye \u0131\u015f\u0131nlanan toplam enerji genellikle J\/cm2 veya mJ\/cm2 cinsinden ifade edilir. Temel olarak kullan\u0131m ya\u015f\u0131, k\u00fcrleme lambas\u0131n\u0131n g\u00fcc\u00fc, say\u0131s\u0131, konvey\u00f6r band\u0131n\u0131n h\u0131z\u0131, k\u00fcrleme sistemindeki reflekt\u00f6r\u00fcn durumu ve \u015fekli ve durumu ile ilgilidir.
\nVe UV enerjisinin belirli bir y\u00fczeye \u0131\u015f\u0131nlanmas\u0131 aktif radyant enerji g\u00fcc\u00fc esas olarak watt \/ cm2 veya miliwatt \/ cm2 olarak ifade edilir. Alt tabakan\u0131n y\u00fczeyine \u0131\u015f\u0131nlanan UV enerjisi ne kadar y\u00fcksek olursa, m\u00fcrekkep filmine o kadar fazla enerji n\u00fcfuz eder. Miliwatt veya milijoules olsun, yaln\u0131zca radyometrenin dalga boyu hassasiyeti belirli gereksinimlere ula\u015f\u0131rsa \u00f6l\u00e7\u00fcl\u00fcr.<\/p>\n

6\u3001UV m\u00fcrekkeplerin d\u00fczg\u00fcn k\u00fcrlenmesini nas\u0131l sa\u011flar\u0131z?<\/h2>\n

K\u00fcrleme \u00fcnitesinden ilk ge\u00e7i\u015fte m\u00fcrekkep filminin k\u00fcrlenmesi \u00e7ok \u00f6nemlidir. Do\u011fru k\u00fcrleme, alt tabakan\u0131n bozulmas\u0131n\u0131, a\u015f\u0131r\u0131 k\u00fcrlenmeyi, yeniden \u0131slanmay\u0131 ve yetersiz k\u00fcrlenmeyi en aza indirir ve m\u00fcrekkep ile m\u00fcrekkep veya kaplama ile kaplama aras\u0131ndaki yap\u0131\u015fmay\u0131 optimize eder.<\/p>\n

Serigrafi yaz\u0131c\u0131lar\u0131, \u00fcretim ba\u015flamadan \u00f6nce \u00fcretim parametrelerini tan\u0131mlamak zorundad\u0131r. UV m\u00fcrekkeplerin k\u00fcrleme verimlili\u011fini test etmek i\u00e7in, \u00f6nce alt tabakan\u0131n izin verece\u011fi *en d\u00fc\u015f\u00fck* h\u0131zda bask\u0131ya ba\u015flayabilir ve \u00f6nce bas\u0131lan \u00f6rnek tabakay\u0131 k\u00fcrleyebiliriz. Daha sonra, k\u00fcrleme lambas\u0131n\u0131n g\u00fcc\u00fc m\u00fcrekkep \u00fcreticisi taraf\u0131ndan belirtilen de\u011fere ayarlan\u0131r. Siyah ve beyaz gibi kolay k\u00fcrlenmeyen renkler i\u00e7in k\u00fcrleme lambas\u0131n\u0131n parametrelerini yukar\u0131 do\u011fru da ayarlayabiliriz. Tabaka so\u011fuduktan sonra, m\u00fcrekkep filminin yap\u0131\u015fmas\u0131n\u0131 belirlemek i\u00e7in \u00e7ift y\u00f6nl\u00fc g\u00f6lge \u00e7izgi y\u00f6ntemini kullanabiliriz. \u00d6rnek tabaka testi ba\u015far\u0131yla ge\u00e7ebilirse, ka\u011f\u0131t transfer h\u0131z\u0131 10 ft\/dk art\u0131r\u0131labilir ve ard\u0131ndan m\u00fcrekkep filmi alt tabakaya yap\u0131\u015fmas\u0131n\u0131 kaybedene kadar bask\u0131 ve test ger\u00e7ekle\u015ftirilebilir ve bu s\u0131rada transfer band\u0131 h\u0131z\u0131 ve k\u00fcrleme lambas\u0131 parametreleri kaydedilebilir. Daha sonra, konvey\u00f6r h\u0131z\u0131 m\u00fcrekkep sisteminin \u00f6zelliklerine veya m\u00fcrekkep tedarik\u00e7isinin \u00f6nerilerine g\u00f6re 20-30% azalt\u0131labilir.<\/p>\n

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7. Renkler \u00fcst \u00fcste gelmiyorsa a\u015f\u0131r\u0131 k\u00fcrlenme konusunda endi\u015felenmeli miyim?<\/h2>\n

Bir m\u00fcrekkep filminin y\u00fczeyi \u00e7ok fazla UV \u0131\u015f\u0131\u011f\u0131 emdi\u011finde a\u015f\u0131r\u0131 k\u00fcrlenme meydana gelir. Bu sorun zaman\u0131nda tespit edilip \u00e7\u00f6z\u00fclmezse, m\u00fcrekkep filminin y\u00fczeyi gittik\u00e7e sertle\u015fecektir. Tabii ki, renkli \u00fcst bask\u0131 yapmad\u0131\u011f\u0131m\u0131z s\u00fcrece, bu sorun hakk\u0131nda \u00e7ok fazla endi\u015felenmemize gerek yok. Bununla birlikte, dikkate al\u0131nmas\u0131 gereken bir ba\u015fka \u00f6nemli fakt\u00f6r daha vard\u0131r ve bu da \u00fczerine bask\u0131 yap\u0131lan film veya alt tabakad\u0131r. UV \u0131\u015f\u0131\u011f\u0131 \u00e7o\u011fu alt tabaka y\u00fczeyini ve UV \u0131\u015f\u0131\u011f\u0131n\u0131n belirli dalga boylar\u0131na duyarl\u0131 olan baz\u0131 plastikleri etkileyebilir. Belirli dalga boylar\u0131na kar\u015f\u0131 bu hassasiyet havadaki oksijenle birle\u015fti\u011finde plastik y\u00fczeyde bozulmaya yol a\u00e7abilir. Alt tabaka y\u00fczeyindeki molek\u00fcler ba\u011flar k\u0131r\u0131labilir ve UV m\u00fcrekkebi ile alt tabaka aras\u0131nda yap\u0131\u015fman\u0131n ba\u015far\u0131s\u0131z olmas\u0131na neden olabilir. Alt tabakan\u0131n y\u00fczey fonksiyonunun bozulmas\u0131 kademeli bir s\u00fcre\u00e7tir ve ald\u0131\u011f\u0131 UV \u0131\u015f\u0131k enerjisi ile do\u011frudan ili\u015fkilidir.<\/p>\n

8\u3001Densitometrede g\u00f6r\u00fcnt\u00fclenen yo\u011funluk verilerinin \u00f6l\u00e7\u00fc birimi nedir? Yo\u011funlu\u011fu etkileyecek fakt\u00f6rler nelerdir?<\/h2>\n

Optik yo\u011funlu\u011fun birimi yoktur. Dansitometre, bas\u0131l\u0131 bir y\u00fczeyden yans\u0131yan veya iletilen \u0131\u015f\u0131k miktar\u0131n\u0131 \u00f6l\u00e7er. Densitometreye ba\u011fl\u0131 bir fotoelektrik g\u00f6z, yans\u0131yan veya iletilen \u0131\u015f\u0131\u011f\u0131n y\u00fczdesini bir yo\u011funluk de\u011ferine d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Serigrafi bask\u0131da, yo\u011funluk de\u011ferini etkileyen ana de\u011fi\u015fkenler m\u00fcrekkep filminin kal\u0131nl\u0131\u011f\u0131, renk, pigment partik\u00fcllerinin boyutu ve say\u0131s\u0131 ve alt tabakan\u0131n rengidir. Optik yo\u011funluk esas olarak m\u00fcrekkep filminin opakl\u0131\u011f\u0131 ve kal\u0131nl\u0131\u011f\u0131 taraf\u0131ndan belirlenir, bu da pigment partik\u00fcllerinin boyutu ve say\u0131s\u0131 ile \u0131\u015f\u0131k emme ve sa\u00e7ma \u00f6zelliklerinden etkilenir.<\/p>\n

9\u3001Bask\u0131 alt tabakas\u0131n\u0131n incelik seviyesi ve incelik seviyesinin de\u011fi\u015ftirilmesi?<\/h2>\n

Dain\/cm y\u00fczey gerilimini \u00f6l\u00e7mek i\u00e7in kullan\u0131lan birimdir. Bu gerilim, belirli bir s\u0131v\u0131n\u0131n (y\u00fczey gerilimi) veya kat\u0131n\u0131n (y\u00fczey enerjisi) molek\u00fcller aras\u0131 \u00e7ekim kuvvetinden kaynaklan\u0131r. Pratik ama\u00e7lar i\u00e7in, bu parametreyi genellikle dyne seviyesi olarak adland\u0131raca\u011f\u0131z. Belirli bir alt tabakan\u0131n Dain seviyesi veya y\u00fczey enerjisi, \u0131slanabilirli\u011fini ve m\u00fcrekkep yap\u0131\u015fmas\u0131n\u0131 temsil eder. Y\u00fczey enerjisi bir maddenin fiziksel bir \u00f6zelli\u011fidir. Bask\u0131da kullan\u0131lan filmlerin ve alt tabakalar\u0131n \u00e7o\u011fu, 31 dynes\/cm'lik polietilen ve 29 dynes\/cm'lik polipropilen gibi d\u00fc\u015f\u00fck bask\u0131 seviyelerine sahiptir ve bu nedenle \u00f6zel i\u015flem gerektirir.<\/p>\n

Alevle \u0130\u015flem: Plastikler do\u011falar\u0131 gere\u011fi g\u00f6zeneksizdir ve inert y\u00fczeylere (d\u00fc\u015f\u00fck y\u00fczey enerjisi) sahiptir. Alevle i\u015fleme, alt tabaka y\u00fczeyinin boya seviyesini art\u0131rmak i\u00e7in plastikleri \u00f6n i\u015fleme tabi tutma y\u00f6ntemidir. Plastik \u015fi\u015fe bask\u0131 alan\u0131na ek olarak, bu y\u00f6ntem otomotiv ve film i\u015fleme end\u00fcstrilerinde de yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Alevle i\u015fleme sadece y\u00fczey enerjisini iyile\u015ftirmekle kalmaz, ayn\u0131 zamanda y\u00fczey kirlenmesini de ortadan kald\u0131r\u0131r. Alevle i\u015flem karma\u015f\u0131k bir dizi fiziksel ve kimyasal reaksiyonu i\u00e7erir. Alev i\u015fleminin fiziksel mekanizmas\u0131 \u015fudur: y\u00fcksek s\u0131cakl\u0131ktaki alev, enerjiyi alt tabakan\u0131n y\u00fczeyindeki ya\u011fa ve safs\u0131zl\u0131klara aktar\u0131r, \u0131s\u0131 ile buharla\u015fmalar\u0131na neden olur ve bir temizleme rol\u00fc oynar; ve kimyasal mekanizmas\u0131 \u015fudur: alev, g\u00fc\u00e7l\u00fc oksitleyici \u00f6zelliklere sahip \u00e7ok say\u0131da iyon i\u00e7erir ve oksidasyon reaksiyonu, i\u015flenmi\u015f malzemenin y\u00fczeyi ile y\u00fcksek s\u0131cakl\u0131kta meydana gelir ve i\u015flenmi\u015f malzemenin y\u00fczeyinin, y\u00fczey enerjisini art\u0131ran y\u00fckl\u00fc polar fonksiyonel gruplardan olu\u015fan bir tabaka olu\u015fturmas\u0131na neden olur ve b\u00f6ylece Bu, y\u00fczey enerjisini ve dolay\u0131s\u0131yla s\u0131v\u0131lar\u0131 adsorbe etme yetene\u011fini art\u0131r\u0131r. Do\u011fru i\u015flem baz\u0131 alt tabakalar\u0131n Zariflik seviyesini art\u0131rabilir, ancak bu sadece ge\u00e7icidir. Bask\u0131ya haz\u0131r oldu\u011funuzda, i\u015flemlerin s\u00fcresi ve say\u0131s\u0131, depolama ko\u015fullar\u0131, ortam nemi ve toz seviyeleri gibi alt tabakan\u0131n boya seviyelerini etkileyebilecek bir dizi ba\u015fka fakt\u00f6r vard\u0131r. Dain seviyeleri zamanla de\u011fi\u015fti\u011finden, \u00e7o\u011fu bask\u0131c\u0131 bask\u0131dan \u00f6nce bu filmleri i\u015flemden ge\u00e7irmeyi veya yeniden i\u015flemden ge\u00e7irmeyi gerekli bulur.<\/p>\n

Korona tedavisi: Korona de\u015farj\u0131, Dain seviyelerini art\u0131rman\u0131n bir ba\u015fka y\u00f6ntemidir. Dielektrik ruloya y\u00fcksek voltaj uygulayarak, \u00e7evredeki havay\u0131 iyonize edebilir ve alt tabaka bu iyonize alandan ge\u00e7ti\u011finde, malzemenin y\u00fczeyindeki molek\u00fcler ba\u011flar k\u0131r\u0131l\u0131r. Bu y\u00f6ntem genellikle film malzemelerinin rotasyon bask\u0131s\u0131nda kullan\u0131l\u0131r.<\/p>\n

10\u3001Plastikle\u015ftirici m\u00fcrekkebin PVC \u00fczerine yap\u0131\u015fmas\u0131n\u0131 nas\u0131l etkiler?<\/h2>\n

Plastikle\u015ftiriciler bask\u0131 malzemelerini daha yumu\u015fak ve esnek hale getiren kimyasallard\u0131r ve PVC'de (polivinil klor\u00fcr) kullan\u0131mlar\u0131 \u00e7ok yayg\u0131nd\u0131r. Esnek PVC'ye veya di\u011fer plastiklere eklenen plastikle\u015ftiricinin t\u00fcr\u00fc ve miktar\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde bas\u0131l\u0131 malzemeden istenen mekanik, termal ve elektriksel \u00f6zelliklere ba\u011fl\u0131d\u0131r. Plastikle\u015ftiriciler alt tabakan\u0131n y\u00fczeyine ge\u00e7me ve m\u00fcrekkebin yap\u0131\u015fmas\u0131n\u0131 etkileme potansiyeline sahiptir. Alt tabakan\u0131n y\u00fczeyinde kalan plastikle\u015ftiriciler, alt tabakan\u0131n y\u00fczey enerjisini azaltacak bir t\u00fcr kontaminasyondur. Y\u00fczeyde ne kadar \u00e7ok kirlenme olursa, y\u00fczey enerjisi o kadar d\u00fc\u015f\u00fck olur ve m\u00fcrekkebe o kadar az yap\u0131\u015f\u0131r. Bunu \u00f6nlemek i\u00e7in, bask\u0131dan \u00f6nce alt tabakay\u0131 hafif bir temizleme solventi ile temizleyerek bas\u0131labilirliklerini art\u0131rabilirsiniz.<\/p>\n\n\n\n\n\n\n\n\n\n
Lcflex\u00aeT-50<\/span><\/td>\nT-50; ASE<\/td>\nCAS 91082-17-6<\/td>\n<\/tr>\n
Lcflex\u00aeATBC<\/span><\/td>\nAsetil trib\u00fctil sitrat<\/td>\nCAS 77-90-7<\/td>\n<\/tr>\n
Lcflex\u00ae TBC<\/span><\/td>\nTrib\u00fctil sitrat<\/td>\nCAS 77-94-1<\/td>\n<\/tr>\n
Lcflex\u00ae TEP<\/span><\/td>\nTrietil fosfat<\/td>\nCAS 78-40-0<\/td>\n<\/tr>\n
Lcflex\u00ae TCPP<\/span><\/td>\nTCPP alev geciktirici<\/td>\nCAS 13674-84-5<\/td>\n<\/tr>\n
Lcflex\u00ae DOTP<\/span><\/td>\nDioktil tereftalat<\/td>\nCAS 6422-86-2<\/td>\n<\/tr>\n
Lcflex\u00ae DEP<\/span><\/td>\nDietil ftalat<\/td>\nCAS 84-66-2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

11\u3001M\u00fcrekkebin viskozitesi bas\u0131labilirli\u011fi nas\u0131l etkiler?<\/h2>\n

\u00c7o\u011fu m\u00fcrekkep tiksotropiktir, yani viskoziteleri kesme, zaman ve s\u0131cakl\u0131kla de\u011fi\u015fir. Buna ek olarak, kesme h\u0131z\u0131 ne kadar y\u00fcksek olursa m\u00fcrekkebin viskozitesi o kadar d\u00fc\u015f\u00fck olur; ortam s\u0131cakl\u0131\u011f\u0131 ne kadar y\u00fcksek olursa y\u0131ll\u0131k m\u00fcrekkep o kadar d\u00fc\u015f\u00fck olur. Serigrafi m\u00fcrekkepleri genellikle bask\u0131 makinesinde iyi sonu\u00e7lar verir, ancak bask\u0131 makinesi ayarlar\u0131na ve bask\u0131 \u00f6ncesi ayarlamalara ba\u011fl\u0131 olarak zaman zaman bas\u0131labilirlikle ilgili sorunlar ya\u015fanabilir. Ayr\u0131ca bask\u0131 makinesindeki m\u00fcrekkebin viskozitesi kartu\u015ftaki viskozitesinden farkl\u0131d\u0131r.
\nM\u00fcrekkep \u00fcreticileri \u00fcr\u00fcnleri i\u00e7in belirli bir viskozite aral\u0131\u011f\u0131 belirleyecektir. \u00c7ok ince veya d\u00fc\u015f\u00fck viskoziteli m\u00fcrekkepler i\u00e7in kullan\u0131c\u0131 uygun kal\u0131nla\u015ft\u0131r\u0131c\u0131 madde ekleyebilir; \u00e7ok kal\u0131n veya y\u00fcksek viskoziteli m\u00fcrekkepler i\u00e7in de kullan\u0131c\u0131 tiner ekleyebilir.<\/p>\n

<\/h4>\n

12\u3001UV m\u00fcrekkebin stabilitesini veya raf \u00f6mr\u00fcn\u00fc etkileyen fakt\u00f6rler nelerdir?<\/h2>\n

M\u00fcrekkebin stabilitesini etkileyen \u00f6nemli bir fakt\u00f6r de m\u00fcrekkebin depolanmas\u0131d\u0131r. UV m\u00fcrekkebi genellikle metal kartu\u015flar yerine plastik kartu\u015flarda saklan\u0131r, \u00e7\u00fcnk\u00fc plastik kap belirli bir derecede oksijen ge\u00e7irgenli\u011fine sahiptir, bu da m\u00fcrekkep y\u00fczeyi ile kap kapa\u011f\u0131 aras\u0131nda belirli bir hava bo\u015flu\u011fu olmas\u0131n\u0131 sa\u011flar. Bu hava bo\u015flu\u011fu - \u00f6zellikle de havadaki oksijen - m\u00fcrekkebin erken \u00e7apraz ba\u011flanmas\u0131n\u0131 en aza indirmeye yard\u0131mc\u0131 olur. Paketlemeye ek olarak, m\u00fcrekkep kaplar\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 da stabilitelerinin korunmas\u0131nda \u00e7ok \u00f6nemli bir rol oynar. Y\u00fcksek s\u0131cakl\u0131klar erken reaksiyonlara ve m\u00fcrekkeplerin \u00e7apraz ba\u011flanmas\u0131na neden olabilir.
\nOrijinal m\u00fcrekkep form\u00fclasyonunda yap\u0131lan ayarlamalar da m\u00fcrekkebin raftaki stabilitesini etkileyebilir. Katk\u0131 maddeleri, \u00f6zellikle kataliz\u00f6rler ve foto ba\u015flat\u0131c\u0131lar, m\u00fcrekkebin raf \u00f6mr\u00fcn\u00fc k\u0131saltabilir.<\/p>\n

 <\/p>\n

13\u3001Kal\u0131p i\u00e7i etiketleme (IML) ve kal\u0131p i\u00e7i dekorasyon (IMD) aras\u0131ndaki fark nedir?<\/h2>\n

Kal\u0131p i\u00e7i etiketleme ve kal\u0131p i\u00e7i dekorasyonun temel anlam\u0131 ayn\u0131d\u0131r, yani etiket veya dekoratif film (prefabrike, prefabrike olmayan) kal\u0131ba konur ve par\u00e7a olu\u015fturuldu\u011funda erimi\u015f plastik onu destekler. \u0130lkinde grav\u00fcr, ofset, fleksografik veya serigrafi gibi farkl\u0131 bask\u0131 teknikleri kullan\u0131larak \u00fcretilen etiketler kullan\u0131l\u0131r. Bu etiketler genellikle malzemenin sadece \u00fcst y\u00fczeyine bas\u0131l\u0131rken, bask\u0131s\u0131z taraf enjeksiyon kal\u0131b\u0131na tutturulur.
\nKal\u0131p i\u00e7i dekorasyon \u00e7o\u011funlukla dayan\u0131kl\u0131 par\u00e7alar \u00fcretmek i\u00e7in kullan\u0131l\u0131r ve genellikle \u015feffaf filmin ikinci y\u00fczeyine bas\u0131l\u0131r. Kal\u0131p i\u00e7i dekorasyon genellikle bir ekran yaz\u0131c\u0131da bas\u0131l\u0131r ve kullan\u0131lan film ve UV m\u00fcrekkepleri enjeksiyon kal\u0131b\u0131 ile uyumlu olmal\u0131d\u0131r.<\/p>\n

\u015eimdi Bize Ula\u015f\u0131n!<\/b><\/strong><\/h2>\n

Fiyata ihtiyac\u0131n\u0131z varsa, l\u00fctfen a\u015fa\u011f\u0131daki forma ileti\u015fim bilgilerinizi doldurun, genellikle 24 saat i\u00e7inde sizinle ileti\u015fime ge\u00e7ece\u011fiz. Bana e-posta da g\u00f6nderebilirsiniz info@longchangchemical.com<\/a><\/span>\u00a0\u00c7al\u0131\u015fma saatleri i\u00e7inde (8:30 - 6:00 UTC+8 Pzt.~Sat.) veya h\u0131zl\u0131 yan\u0131t almak i\u00e7in web sitesi canl\u0131 sohbetini kullan\u0131n.<\/b><\/strong><\/h4>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

I. What happens when the ink is over-cured? There is a theory that when the surface of the ink is exposed to too much UV light, it will become harder<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5447","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"\nUV Ink Curing Problems: Causes, Measurements & Fixes<\/title>\n<meta name=\"description\" content=\"Diagnose UV ink under-cure, over-cure, adhesion, yellowing and viscosity problems by checking lamp output, dose, film build, substrate and formulation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/tr\/the-complete-guide-to-uv-curing-ink-in-use-in-the-problem\/\" \/>\n<meta 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