{"id":7922,"date":"2025-02-28T06:08:51","date_gmt":"2025-02-28T06:08:51","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7922"},"modified":"2026-04-28T10:42:51","modified_gmt":"2026-04-28T10:42:51","slug":"uv-metal-ink-photoinitiator","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/uv-metal-ink-photoinitiator\/","title":{"rendered":"UV f\u00e9m tinta - Fotoinici\u00e1tor"},"content":{"rendered":"<h2><b>UV f\u00e9m tinta<\/b><\/h2>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Gyors v\u00e1lasz:<\/strong> For practical formulation work, photoinitiator screening starts with the light source and film build, then checks yellowing, adhesion, and cure completeness under real production conditions.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<h3><b>3.12.1 F\u00e9m csomagol\u00e1s nyomtat\u00e1sa<\/b><\/h3>\n<p>A f\u00e9m csomagol\u00f3anyagok, mint a csomagol\u00f3anyagok ter\u00fclet\u00e9n fontos csomagol\u00f3anyag, sz\u00e1mos el\u0151nnyel rendelkeznek m\u00e1s csomagol\u00f3anyagokkal szemben, mint p\u00e9ld\u00e1ul az \u00fajrahasznos\u00edthat\u00f3s\u00e1g, a tartalom j\u00f3 v\u00e9delme, v\u00e1ltozatos megjelen\u00e9s \u00e9s form\u00e1k, valamint \u00e9l\u00e9nk sz\u00ednek. Nagy fejl\u0151d\u00e9si potenci\u00e1llal rendelkeznek, \u00e9s a fogyaszt\u00f3k elismerik \u0151ket. Napjainkban a z\u00f6ld k\u00f6rnyezetv\u00e9delem trendje a csomagol\u00f3- \u00e9s nyomdaiparba is bes\u00f6p\u00f6rt, \u00e9s a \"z\u00f6ld csomagol\u00e1s\" forr\u00f3 t\u00e9m\u00e1v\u00e1 v\u00e1lt a nyomdaiparon bel\u00fcl, \u00e9s a nyomdaipari folyamattechnol\u00f3gia egyik fejleszt\u00e9si trendj\u00e9v\u00e9. A f\u00e9mcsomagol\u00f3 nyomdaipar magas energiafogyaszt\u00e1sa \u00e9s a gy\u00e1rt\u00e1si folyamat sor\u00e1n keletkez\u0151 nagy mennyis\u00e9g\u0171 kipufog\u00f3g\u00e1z-kibocs\u00e1t\u00e1s fontos t\u00e9nyez\u0151v\u00e9 v\u00e1lt, amely korl\u00e1tozza a f\u00e9mcsomagol\u00f3 v\u00e1llalatok fejl\u0151d\u00e9s\u00e9t \u00e9s n\u00f6veked\u00e9s\u00e9t, \u00e9s akad\u00e1lyokat g\u00f6rd\u00edt a f\u00e9mcsomagol\u00e1s z\u00f6ld fejleszt\u00e9se el\u00e9 is.<\/p>\n<p>Az elm\u00falt \u00e9vekben az UV-nyomtat\u00e1si elj\u00e1r\u00e1s egyre n\u00e9pszer\u0171bb\u00e9 v\u00e1lt a f\u00e9mcsomagol\u00e1si nyomdaiparban az energiatakar\u00e9koss\u00e1g \u00e9s a k\u00f6rnyezetv\u00e9delem nyilv\u00e1nval\u00f3 el\u0151nyei miatt. Hatalmas k\u00f6lts\u00e9gel\u0151nyeivel p\u00e1rosulva az energiatakar\u00e9koss\u00e1g \u00e9s a k\u00f6rnyezetv\u00e9delem innovat\u00edv m\u00f3dj\u00e1v\u00e1 v\u00e1lt, \u00e9s egyre keresettebb\u00e9 v\u00e1lt a f\u00e9mcsomagol\u00f3 v\u00e1llalatok k\u00f6r\u00e9ben.<\/p>\n<h4><b>3.12.1.1.1 Hagyom\u00e1nyos \u00f3nlemez-nyomtat\u00e1si elj\u00e1r\u00e1s<\/b><\/h4>\n<p>A b\u00e1doglemezt k\u00edv\u00fclr\u0151l \u00e9s bel\u00fclr\u0151l bevonj\u00e1k, majd sz\u00ednes nyomtat\u00e1sra el\u0151k\u00e9sz\u00edtik. A b\u00e1doglemezek nyomtat\u00e1s\u00e1ra \u00e1ltal\u00e1ban az ofszetnyomtat\u00e1st haszn\u00e1lj\u00e1k. A b\u00e1doglemez sima fel\u00fclet\u0171 \u00e9s nem nedvsz\u00edv\u00f3, ami nagyban k\u00fcl\u00f6nb\u00f6zik a pap\u00edrt\u00f3l. Ez\u00e9rt az \u00f3nlemezre t\u00f6rt\u00e9n\u0151 nyomtat\u00e1shoz h\u0151re kem\u00e9nyed\u0151 fest\u00e9keket haszn\u00e1lnak, amelyek magas h\u0151m\u00e9rs\u00e9kleten t\u00f6rt\u00e9n\u0151 sz\u00e1r\u00edt\u00e1st ig\u00e9nyelnek. M\u00e1s sz\u00f3val, a nyomtat\u00e1si folyamat speci\u00e1lis sz\u00e1r\u00edt\u00f3berendez\u00e9s haszn\u00e1lat\u00e1t ig\u00e9nyli a fest\u00e9k sz\u00e1r\u00edt\u00e1s\u00e1hoz. A sz\u00e1r\u00edt\u00e1si h\u0151m\u00e9rs\u00e9klet \u00e1ltal\u00e1ban 150 \u00b0C k\u00f6r\u00fcl van, a sz\u00e1r\u00edt\u00e1si id\u0151t pedig 10-12 percben szab\u00e1lyozz\u00e1k. Jelenleg a hazai \u00f3nlemeznyomdaipar t\u00f6bbnyire alag\u00fatkemenc\u00e9ket (a tov\u00e1bbiakban: sz\u00e1r\u00edt\u00f3helyis\u00e9gek) haszn\u00e1l a fest\u00e9k sz\u00e1r\u00edt\u00e1s\u00e1ra. A sz\u00e1r\u00edt\u00f3helyis\u00e9g k\u00f6r\u00fclbel\u00fcl 30 m\u00e9ter hossz\u00fa \u00e9s 6 m\u00e9ter magas, \u00e9s a nyomdag\u00e9p h\u00e1ts\u00f3 v\u00e9g\u00e9hez csatlakozik a nyomtatott term\u00e9kek sz\u00e1r\u00edt\u00e1s\u00e1hoz. A hagyom\u00e1nyos b\u00e1doglemez-nyomtat\u00e1si elj\u00e1r\u00e1s sor\u00e1n, f\u00fcggetlen\u00fcl att\u00f3l, hogy h\u00e1ny nyomtat\u00e1si menetre van sz\u00fcks\u00e9g egy term\u00e9k elk\u00e9sz\u00edt\u00e9s\u00e9hez, minden egyes nyomtat\u00e1si menet befejez\u00e9se ut\u00e1n a nyomtatott lapnak \u00e1t kell haladnia a sz\u00e1r\u00edt\u00f3kemenc\u00e9n a fest\u00e9k sz\u00e1r\u00edt\u00e1s\u00e1hoz. Minden egyes nyomtatott term\u00e9knek t\u00f6bbsz\u00f6r is \u00e1t kell haladnia a sz\u00e1r\u00edt\u00f3 kemenc\u00e9n, ami nemcsak sok energi\u00e1t fogyaszt, hanem sok VOC-t is kibocs\u00e1t. Ez\u00e9rt sok v\u00e1llalat elkezdte fontol\u00f3ra venni, hogy m\u00e1s m\u00f3dszereket alkalmazzon a hagyom\u00e1nyos f\u0171t\u00e9si \u00e9s sz\u00e1r\u00edt\u00e1si m\u00f3dszer helyettes\u00edt\u00e9s\u00e9re, \u00e9s az UV-gy\u00f3gy\u00edt\u00e1s kiemelkedett a rendk\u00edv\u00fcl hat\u00e9kony \u00e9s energiatakar\u00e9kos el\u0151nyei miatt.<\/p>\n<h4><b>3.12.1.2 UV \u00f3nlemez nyomtat\u00e1si elj\u00e1r\u00e1s<\/b><\/h4>\n<p>Az UV-technol\u00f3gia alkalmaz\u00e1sa a nyomtat\u00e1si folyamatban az UV-fest\u00e9k ultraibolya f\u00e9nyben t\u00f6rt\u00e9n\u0151 gyors kikem\u00e9nyed\u00e9s\u00e9t jelenti, amely kiv\u00e1l\u00f3 fizikai \u00e9s k\u00e9miai tulajdons\u00e1gokkal \u00e9s nagy fel\u00fcleti f\u00e9nyer\u0151vel rendelkezik. Mivel az UV-nyomtat\u00e1si elj\u00e1r\u00e1s sor\u00e1n a fest\u00e9k ultraibolya f\u00e9ny alatt gyorsan sz\u00e1rad, az UV-technol\u00f3gia bevezet\u00e9se ut\u00e1n minden nyomdai egys\u00e9get UV-sz\u00e1r\u00edt\u00f3 berendez\u00e9ssel szerelnek fel, amely az egyes fest\u00e9ksz\u00ednek gyors sz\u00e1r\u00edt\u00e1s\u00e1\u00e9rt felel\u0151s. A hagyom\u00e1nyos berendez\u00e9sek alag\u00fatkemenc\u00e9s r\u00e9sz\u00e9re m\u00e1r nincs sz\u00fcks\u00e9g. A hagyom\u00e1nyos nyomtat\u00e1si elj\u00e1r\u00e1ssal \u00f6sszehasonl\u00edtva az UV-nyomtat\u00e1si elj\u00e1r\u00e1s f\u0151 el\u0151nyei a k\u00f6vetkez\u0151k: gyors sz\u00e1rad\u00e1si sebess\u00e9g, r\u00f6vid sz\u00e1rad\u00e1si id\u0151, nincs sz\u00fcks\u00e9g kemenc\u00e9re, ami nemcsak a termel\u00e9s hat\u00e9konys\u00e1g\u00e1t jav\u00edtja \u00e9s energi\u00e1t takar\u00edt meg, hanem cs\u00f6kkenti a VOC-kibocs\u00e1t\u00e1st \u00e9s j\u00f3t tesz a k\u00f6rnyezetnek.<\/p>\n<h3><b>3.12.2 UV f\u00e9mtint\u00e1k el\u0151k\u00e9sz\u00edt\u00e9se<\/b><\/h3>\n<p>UV metal inks are light-curing inks that can be directly printed on the surface of metal materials (including metal substrates with surface treatments and metal materials with surface finishes), and formulators often compare <a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-cat-261-cas-32760-80-8\/\">Cationic Photoinitiator CAT-261<\/a> with <a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\">OXE-02 fotoinici\u00e1tor<\/a> when optimizing cure window and adhesion. Commonly used metal materials in printing include copper, aluminum, iron, stainless steel, and mirror-finished titanium plates, as well as metal materials with a surface treatment such as anodized porous aluminum plates, iron phosphating plates, galvanized iron sheets, nickel-plated iron, and chromium-plated iron, and metal materials with a surface finish such as metal sheets coated with powder paint or baked enamel.<\/p>\n<p>A k\u00fcl\u00f6nb\u00f6z\u0151 f\u00e9mek k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcleti tulajdons\u00e1gokkal rendelkeznek, \u00e9s az alkalmazott UV-fest\u00e9k t\u00edpus\u00e1nak is k\u00fcl\u00f6nb\u00f6z\u0151nek kell lennie, k\u00fcl\u00f6nben olyan probl\u00e9m\u00e1k mer\u00fclhetnek fel, mint a gyenge tapad\u00e1s \u00e9s a fest\u00e9kr\u00e9teg t\u00f6r\u00e9keny repedez\u00e9se a f\u00e9m hajl\u00edt\u00e1sakor.<\/p>\n<p>Az UV-f\u00e9mfest\u00e9kek a k\u00f6vetkez\u0151 t\u00edpusokra oszthat\u00f3k: \u00e1ltal\u00e1nos f\u00e9m UV-fest\u00e9kek, speci\u00e1lis f\u00e9m UV-fest\u00e9kek, rugalmas UV-f\u00e9mfest\u00e9kek, magas h\u0151m\u00e9rs\u00e9kletnek ellen\u00e1ll\u00f3 UV-f\u00e9mfest\u00e9kek, UV-f\u00e9mfest\u00e9kek speci\u00e1lis dekorat\u00edv hat\u00e1ssal, UV-korr\u00f3zi\u00f3g\u00e1tl\u00f3 fest\u00e9kek f\u00e9mmarat\u00e1shoz \u00e9s UV-f\u00e9mlakk sorozat.<\/p>\n<p>Minden UV-f\u00e9mtint\u00e1nak optim\u00e1lis nyomtat\u00e1si sz\u00ednsorrendje van. A k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00edn\u0171 UV-fest\u00e9kek f\u00e9nykem\u00e9nyed\u00e9si sebess\u00e9ge elt\u00e9r\u0151, egyesek lassan, m\u00e1sok gyorsan kem\u00e9nyednek. Nem lehets\u00e9ges b\u00e1rmelyik sz\u00ednt el\u0151sz\u00f6r kinyomtatni, mint az \u00f6nsz\u00e1rad\u00f3 old\u00f3szeres tint\u00e1k eset\u00e9ben. A szitanyom\u00e1s UV-f\u00e9mfest\u00e9kek, k\u00fcl\u00f6n\u00f6sen t\u00f6bb sz\u00ednben t\u00f6rt\u00e9n\u0151 nyomtat\u00e1s eset\u00e9n \u00e1ltal\u00e1ban azt az elvet k\u00f6vetik, hogy el\u0151sz\u00f6r a s\u00f6t\u00e9t sz\u00edneket nyomtatj\u00e1k, \u00e9s a vil\u00e1gos sz\u00edneket utolj\u00e1ra.<\/p>\n<p>A k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00edn\u0171 UV-f\u00e9mfest\u00e9kek optim\u00e1lis kikem\u00e9nyed\u00e9si sorrenddel rendelkeznek. Az UV-f\u00e9mtint\u00e1k kem\u00e9nyed\u00e9si sorrendje a k\u00f6vetkez\u0151:<\/p>\n<p>arany, ez\u00fcst \u2192 fekete \u2192 k\u00e9k \u2192 piros \u2192 s\u00e1rga \u2192 sz\u00edntelen \u00e1tl\u00e1tsz\u00f3 lakk<\/p>\n<p>A s\u00f6t\u00e9t tint\u00e1k t\u00f6bb UV-energi\u00e1t ig\u00e9nyelnek, lassabban sz\u00e1radnak, \u00e9s az UV-f\u00e9ny nehezen hatol be a tintar\u00e9tegbe, ami megnehez\u00edti az alatta l\u00e9v\u0151 r\u00e9teg kikem\u00e9nyed\u00e9s\u00e9t. Ez\u00e9rt a s\u00f6t\u00e9t tint\u00e1kat kell el\u0151sz\u00f6r kinyomtatni; a vil\u00e1gos tint\u00e1k k\u00f6nnyen megszil\u00e1rdulnak, \u00e9s csak egy f\u00e9nyexpoz\u00edci\u00f3t ig\u00e9nyelnek. Ha a vil\u00e1gos tint\u00e1kat nyomtatj\u00e1k el\u0151sz\u00f6r, a vil\u00e1gos tinta elker\u00fclhetetlen\u00fcl t\u00falkem\u00e9nyedik, a tintar\u00e9teg t\u00f6r\u00e9kenny\u00e9 v\u00e1lik, \u00e9s a tapad\u00e1s gyenge lesz, m\u00edg a s\u00f6t\u00e9t tintar\u00e9teg nem kem\u00e9nyedik el\u00e9gg\u00e9, a fel\u00fcleti kem\u00e9nys\u00e9g alacsony lesz, a kop\u00e1s\u00e1ll\u00f3s\u00e1g \u00e9s az old\u00f3szer\u00e1ll\u00f3s\u00e1g pedig gyenge. Az UV-f\u00e9mtint\u00e1k a nyomtat\u00e1s ut\u00e1n azonnal kikem\u00e9ny\u00edthet\u0151k, \u00e9s a tintar\u00e9teget minden egyes sz\u00edn nyomtat\u00e1sa ut\u00e1n egyszer kikem\u00e9ny\u00edtj\u00fck. Amikor a m\u00e1sodik sz\u00ednes tinta kikem\u00e9nyedik, az els\u0151 sz\u00ednes tinta m\u00e1r k\u00e9tszer is ki lett t\u00e9ve a f\u00e9nynek. N\u00e9gy sz\u00edn\u0171 minta eset\u00e9n, amikor a negyedik sz\u00edn\u0171 tinta megszil\u00e1rdul, az alatta l\u00e9v\u0151 tinta m\u00e1r n\u00e9gyszer volt f\u00e9nynek kit\u00e9ve \u00e9s megszil\u00e1rdult.<\/p>\n<p>A friss f\u00e9mfel\u00fcleteknek magas a fel\u00fcleti szabad energi\u00e1ja (500-5000 mN\/m), ami sokkal magasabb, mint a szerves polimer anyagok\u00e9 (&lt;100 mN\/m). Ez a magas fel\u00fcleti szabad energia nagyon kedvez\u0151 a tinta tapad\u00e1sa szempontj\u00e1b\u00f3l. Val\u00f3j\u00e1ban sok f\u00e9m hajlamos a leveg\u0151n oxid\u00e1l\u00f3dni, ami oxidfilmet k\u00e9pez a fel\u00fcleten, ami cs\u00f6kkenti a fel\u00fcleti szabad energi\u00e1t \u00e9s befoly\u00e1solja a tinta tapad\u00e1s\u00e1t. A legt\u00f6bb f\u00e9m-oxidfilm fel\u00fcleti szabad energi\u00e1ja azonban m\u00e9g mindig magasabb, mint az UV-tint\u00e1k\u00e9, \u00edgy az UV-tint\u00e1k j\u00f3 nedves\u00edt\u0151 hat\u00e1ssal vannak a f\u00e9mszubsztr\u00e1tumokra. A f\u00e9mszubsztr\u00e1tumokra alkalmazott UV tint\u00e1kn\u00e1l azonban gyakori probl\u00e9ma, hogy a tinta tapad\u00e1sa a f\u00e9mhez nem j\u00f3. Tapad\u00e1st el\u0151seg\u00edt\u0151 adal\u00e9kanyag hozz\u00e1ad\u00e1sa n\u00e9lk\u00fcl az UV-fest\u00e9kek nehezen \u00e9rik el az ide\u00e1lis tapad\u00e1st a f\u00e9men. Ennek oka az lehet, hogy a f\u00e9mszubsztr\u00e1tum fel\u00fclete s\u0171r\u0171, ami megnehez\u00edti az UV fest\u00e9kek behatol\u00e1s\u00e1t \u00e9s felsz\u00edv\u00f3d\u00e1s\u00e1t. A hat\u00e9kony \u00e9rintkez\u00e9si fel\u00fclet kicsi, ellent\u00e9tben a pap\u00edrral \u00e9s a f\u00e1val, amelyeknek durva, p\u00f3rusokkal teli fel\u00fclet\u00fck van, valamint a m\u0171anyagokkal, amelyeket az olaj megduzzaszthat, \u00e9s \u00edgy \u00e1tereszt\u0151 r\u00f6gz\u00edt\u0151szerkezetet k\u00e9pezhetnek. Ezenk\u00edv\u00fcl, mivel az UV-fest\u00e9kek gyorsan kem\u00e9nyednek, a t\u00e9rfogat zsugorod\u00e1sa \u00e1ltal okozott bels\u0151 fesz\u00fclts\u00e9g nem tud felszabadulni, \u00e9s a reakci\u00f3 hat a fest\u00e9kr\u00e9teg tapad\u00e1s\u00e1ra a f\u00e9mszubsztr\u00e1tumhoz, cs\u00f6kkentve a tapad\u00e1st. A f\u00e9mfel\u00fcletek gyakran k\u00f6nnyen szennyez\u0151dnek zs\u00edrral, ami szint\u00e9n nem kedvez a bevonat tapad\u00e1s\u00e1nak \u00e9s a f\u00e9m korr\u00f3zi\u00f3v\u00e9delm\u00e9nek.<\/p>\n<p>A f\u00e9mfel\u00fcleteken a j\u00f3 tapad\u00e1s, a korr\u00f3zi\u00f3v\u00e9delem \u00e9s a tiszta fel\u00fclet el\u00e9r\u00e9se \u00e9rdek\u00e9ben a tint\u00e1val t\u00f6rt\u00e9n\u0151 nyomtat\u00e1s el\u0151tt \u00e1ltal\u00e1ban tiszt\u00edt\u00e1st, fizikai \u00e9s k\u00e9miai kezel\u00e9st v\u00e9geznek. A tiszt\u00edt\u00e1s legegyszer\u0171bb m\u00f3dja, ha a f\u00e9mfel\u00fcletet old\u00f3szerrel \u00e1titatott pamutkend\u0151vel t\u00f6r\u00f6lj\u00fck \u00e1t, vagy a f\u00e9m alkatr\u00e9szeket k\u00f6zvetlen\u00fcl az old\u00f3szerbe mer\u00edtj\u00fck a mos\u00e1shoz. Hat\u00e9konyabb m\u00f3dszer a g\u0151zzel t\u00f6rt\u00e9n\u0151 zs\u00edrtalan\u00edt\u00e1s, amelynek sor\u00e1n a f\u00e9malkatr\u00e9szeket egy sz\u00e1ll\u00edt\u00f3szalagra akasztj\u00e1k, \u00e9s egy tart\u00e1lyban l\u00e9v\u0151 forr\u00f3 halog\u00e9nezett old\u00f3szer f\u00f6l\u00e9 sz\u00e1ll\u00edtj\u00e1k, \u00edgy az old\u00f3szer a f\u00e9malkatr\u00e9szek fel\u00fclet\u00e9n kondenz\u00e1l\u00f3dik, \u00e9s feloldja a zs\u00edrt, el\u00e9rve ezzel a tiszt\u00edt\u00e1s c\u00e9lj\u00e1t. A fizikai kezel\u00e9s, p\u00e9ld\u00e1ul a f\u00e9mfel\u00fclet homokf\u00fav\u00e1sa elt\u00e1vol\u00edtja a korrod\u00e1lt fel\u00fcletet, \u00e9s \u00faj, \u00e9rdes fel\u00fcletet k\u00e9pez. Ezt f\u0151k\u00e9nt n\u00e9h\u00e1ny nyers ipari alkatr\u00e9szn\u00e9l alkalmazz\u00e1k, mint p\u00e9ld\u00e1ul hidak, tart\u00e1lyok stb. Ezenk\u00edv\u00fcl vannak v\u00e1kuum-alum\u00ednium-oxid-robbant\u00e1sok, ac\u00e9lszemcs\u00e9s vagy v\u00edzoldhat\u00f3 ragaszt\u00f3anyagos tiszt\u00edt\u00e1s, m\u0171anyag granul\u00e1tumos robbant\u00e1s, \u00e9s n\u00e9ha nagynyom\u00e1s\u00fa v\u00edzzel t\u00f6rt\u00e9n\u0151 robbant\u00e1st is haszn\u00e1lnak a fel\u00fclettiszt\u00edt\u00e1shoz. A k\u00e9miai kezel\u00e9s sor\u00e1n \u00e1ltal\u00e1ban foszforsavval vagy foszf\u00e1ttal k\u00edm\u00e9letesen marj\u00e1k a f\u00e9mfel\u00fcletet savval, \u00e9s egy bizonyos form\u00e1j\u00fa vas\/vas foszf\u00e1t s\u00f3kb\u00f3l \u00e1ll\u00f3 r\u00e9teget k\u00e9peznek a bevonat tapad\u00e1s\u00e1nak jav\u00edt\u00e1sa \u00e9rdek\u00e9ben, de a korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g csak kis m\u00e9rt\u00e9kben javul. A kezelt f\u00e9mfel\u00fcletet alaposan meg kell tiszt\u00edtani az oldhat\u00f3 s\u00f3k elt\u00e1vol\u00edt\u00e1sa \u00e9rdek\u00e9ben. Az alum\u00ednium fel\u00fcleteket v\u00e9kony, s\u0171r\u0171 alum\u00ednium-oxid r\u00e9teg bor\u00edtja, \u00edgy \u00e1ltal\u00e1ban csak a fel\u00fcletet kell tiszt\u00edtani.<\/p>\n<p>Az UV-f\u00e9mfest\u00e9kekkel kapcsolatos alapvet\u0151 probl\u00e9ma a fest\u00e9kr\u00e9teg \u00e9s a f\u00e9m k\u00f6z\u00f6tti tapad\u00e1s megold\u00e1sa. A tintaformul\u00e1ci\u00f3ban l\u00e9v\u0151 oligomerek \u00e9s reakt\u00edv h\u00edg\u00edt\u00f3k hidrog\u00e9nk\u00f6t\u00e9seket vagy k\u00e9miai k\u00f6t\u00e9seket k\u00e9pezhetnek a f\u00e9mfel\u00fclettel, ami nagym\u00e9rt\u00e9kben jav\u00edthatja a bevonat \u00e9s a f\u00e9m k\u00f6z\u00f6tti tapad\u00e1st. \u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a karboxilcsoportokat \u00e9s hidroxilcsoportokat tartalmaz\u00f3 oligomerek \u00e9s reakt\u00edv h\u00edg\u00edt\u00f3k, k\u00fcl\u00f6n\u00f6sen a karboxilcsoportokat tartalmaz\u00f3ak, jelent\u0151sebb hat\u00e1ssal vannak a f\u00e9m szubsztr\u00e1tokra, \u00e9s jelent\u0151s hat\u00e1ssal vannak a tapad\u00e1s jav\u00edt\u00e1s\u00e1ra (3-48. t\u00e1bl\u00e1zat). Ugyanakkor az alacsony t\u00e9rfogatzsugorod\u00e1s\u00fa oligomerek \u00e9s reakt\u00edv h\u00edg\u00edt\u00f3k haszn\u00e1lata szint\u00e9n hozz\u00e1j\u00e1rul a tapad\u00e1s jav\u00edt\u00e1s\u00e1hoz. Egyes reakt\u00edv h\u00edg\u00edt\u00f3szerek bizonyos \u00e1tereszt\u0151k\u00e9pess\u00e9ggel rendelkeznek a f\u00e9mek sz\u00e1m\u00e1ra, ami szint\u00e9n hozz\u00e1j\u00e1rul a tapad\u00e1s jav\u00edt\u00e1s\u00e1hoz (l\u00e1sd a 3-49. t\u00e1bl\u00e1zatot).<\/p>\n<p>3-48. t\u00e1bl\u00e1zat A karboxil-tartalm\u00fa monomerek hat\u00e1sa az UV fest\u00e9kek f\u00e9mhez val\u00f3 tapad\u00e1s\u00e1ra<\/p>\n<p>3-49. t\u00e1bl\u00e1zat: F\u00e9mszubsztr\u00e1tokon k\u00f6nnyen \u00e1tereszt\u0151 reakt\u00edv h\u00edg\u00edt\u00f3k<\/p>\n<p>A tapad\u00e1sfokoz\u00f3k hozz\u00e1ad\u00e1sa fontos eszk\u00f6z az UV-f\u00e9mfest\u00e9kek tapad\u00e1s\u00e1nak jav\u00edt\u00e1s\u00e1ra. \u00c1ltal\u00e1ban karboxilcsoportos gyant\u00e1kat, karboxilcsoportokat tartalmaz\u00f3 akril\u00e1tokat, akril\u00e1t-foszf\u00e1tokat, szilox\u00e1nkapcsol\u00f3 szereket, titan\u00e1tkapcsol\u00f3 szereket stb. haszn\u00e1lnak. A merkapt\u00e1nok nem haszn\u00e1lhat\u00f3k, mert t\u00fal b\u00fcd\u00f6sek, de er\u0151s hat\u00e1st gyakorolnak az aranyfel\u00fcletekre, amelyek rendk\u00edv\u00fcl inertek. Az UV-f\u00e9mtint\u00e1khoz alkalmas f\u00e9mtapad\u00e1s el\u0151seg\u00edt\u0151 anyagokat l\u00e1sd a 3-50. t\u00e1bl\u00e1zatban. A savas monomerek vagy gyant\u00e1k savas csoportokat tartalmaznak, amelyek enyh\u00e9n korrod\u00e1lhatj\u00e1k a f\u00e9mfel\u00fcleteket, \u00e9s komplexeket k\u00e9peznek a fel\u00fcleti f\u00e9matomokkal vagy -ionokkal, er\u0151s\u00edtve a fest\u00e9kr\u00e9teg \u00e9s a f\u00e9mfel\u00fclet k\u00f6z\u00f6tti tapad\u00e1st. \u00c1ltal\u00e1ban a foszf\u00e1t\u00e9szter adh\u00e9zi\u00f3t el\u0151seg\u00edt\u0151 anyagok mennyis\u00e9ge a k\u00e9pletben alacsony, nem haladja meg a 1% \u00e9rt\u00e9ket. A szilikonkapcsol\u00f3 szerek el\u0151seg\u00edtik a f\u00e9mszubsztr\u00e1tumokhoz val\u00f3 tapad\u00e1st, mivel hidrol\u00edzis ut\u00e1n a f\u00e9mfel\u00fcleten l\u00e9v\u0151 oxidokkal vagy hidroxilcsoportokkal kondenz\u00e1l\u00f3dva hat\u00e1rfel\u00fcleti k\u00e9miai k\u00f6t\u00e9st k\u00e9peznek \u00e9s jav\u00edtj\u00e1k a tapad\u00e1st. A megfelel\u0151 szilikon kapcsol\u00f3szerek k\u00f6z\u00e9 tartozik a KH550, KH560, KH570 \u00e9s n\u00e9h\u00e1ny szilikon-modifik\u00e1lt UV gyanta. Tit\u00e1n\u00e1t kapcsol\u00f3anyagokat haszn\u00e1lnak UV-f\u00e9mfest\u00e9kekben a f\u00e9mszubsztr\u00e1tumokhoz val\u00f3 tapad\u00e1s jav\u00edt\u00e1s\u00e1ra. A megfelel\u0151 titan\u00e1t-k\u00f6t\u0151anyagok k\u00f6z\u00e9 tartozik a tetraizooktil-titan\u00e1t, a tetraizopropil-titan\u00e1t \u00e9s az n-butil-titan\u00e1t.<\/p>\n<p>3-50. t\u00e1bl\u00e1zat Tapad\u00e1sfokoz\u00f3k UV-f\u00e9mfest\u00e9kekhez<\/p>\n<p>A radik\u00e1lis fotopolimeriz\u00e1ci\u00f3s rendszerekhez k\u00e9pest a kationos fotopolimeriz\u00e1ci\u00f3s fest\u00e9kek nagyobb val\u00f3sz\u00edn\u0171s\u00e9ggel \u00e9rnek el j\u00f3 tapad\u00e1st a f\u00e9men. A kationos kem\u00e9ny\u00edt\u00e9snek alacsony a zsugorod\u00e1sa, \u00e9s a polimeriz\u00e1ci\u00f3 ut\u00e1n nagysz\u00e1m\u00fa \u00e9terk\u00f6t\u00e9s k\u00e9pz\u0151dik, amelyek a f\u00e9mfel\u00fcletre hatnak, \u00e9s mindezek jav\u00edtj\u00e1k a tapad\u00e1st. A kationos fotoinici\u00e1torok fotol\u00edzise sor\u00e1n keletkez\u0151 szuperer\u0151s protonsav azonban nemcsak a kationos polimeriz\u00e1ci\u00f3t \u00e9s a t\u00e9rh\u00e1l\u00f3sod\u00e1st ind\u00edtja el, hanem korrod\u00e1lja is a f\u00e9mszubsztr\u00e1tot, ami nyilv\u00e1nval\u00f3an k\u00e1ros a bevonat tapad\u00e1s\u00e1ra, \u00e9s nem seg\u00edti a tapad\u00e1s jav\u00edt\u00e1s\u00e1t. Csak a kationos fotoinici\u00e1tor koncentr\u00e1ci\u00f3j\u00e1nak cs\u00f6kkent\u00e9s\u00e9vel jav\u00edthat\u00f3 a tapad\u00e1s. Ezenk\u00edv\u00fcl az \u00e1ltal\u00e1nosan haszn\u00e1lt kationos fotoinici\u00e1torok, mint p\u00e9ld\u00e1ul a tiokarbamid-s\u00f3k vagy a jodid-s\u00f3k ultraibolya abszorpci\u00f3ja &lt;300 nm, ami nem kompatibilis az UV f\u00e9nyforr\u00e1sokkal. Fotoinici\u00e1ci\u00f3s hat\u00e9konys\u00e1guk rendk\u00edv\u00fcl alacsony. Kis mennyis\u00e9g\u0171 szabad gy\u00f6k\u00f6s fotoinici\u00e1tort, p\u00e9ld\u00e1ul ITX-et kell hozz\u00e1adni, amely k\u00e9pes elnyelni a f\u00e9nyenergi\u00e1t az iboly\u00e1nt\u00fali spektrum hossz\u00fa hull\u00e1m\u00fa tartom\u00e1ny\u00e1ban, \u00e9s energi\u00e1t ad \u00e1t a tiokarbamid-s\u00f3nak, k\u00f6zvetve gerjesztve a fotoinici\u00e1tort \u00e9s jav\u00edtva a fotoinici\u00e1ci\u00f3 hat\u00e9konys\u00e1g\u00e1t.<\/p>\n<p>Mivel az UV nyomdafest\u00e9kek k\u00f6t\u0151anyaga tel\u00edtetlen akril monomerekb\u0151l vagy prepolimerekb\u0151l \u00e1ll, m\u00e1s oldhat\u00f3s\u00e1gi tulajdons\u00e1gokkal rendelkezik, mint a hagyom\u00e1nyos h\u0151re kem\u00e9nyed\u0151 fest\u00e9kek k\u00f6t\u0151anyaga (f\u0151k\u00e9nt alkidok). A tel\u00edtetlen akril monomerek rendk\u00edv\u00fcl agressz\u00edvek, ami a hengerekben \u00e9s a takar\u00f3kban l\u00e9v\u0151 szintetikus gumi kit\u00e1gul\u00e1s\u00e1t \u00e9s a PS nyom\u00f3lemez fel\u00fclet\u00e9n l\u00e9v\u0151 f\u00e9ny\u00e9rz\u00e9keny r\u00e9teg k\u00e1rosod\u00e1s\u00e1t okozza, ami a k\u00e9p lev\u00e1l\u00e1s\u00e1t okozza. Ez\u00e9rt UV-nyomdafest\u00e9kkel t\u00f6rt\u00e9n\u0151 nyomtat\u00e1skor speci\u00e1lisan UV-nyomdafest\u00e9kekhez tervezett hengereket, takar\u00f3kat \u00e9s mos\u00f3vizet kell haszn\u00e1lni. A PS-lemezt magas h\u0151m\u00e9rs\u00e9kleten kell s\u00fctni a k\u00e9pr\u00e9teg korr\u00f3zi\u00f3\u00e1ll\u00f3s\u00e1g\u00e1nak n\u00f6vel\u00e9se \u00e9rdek\u00e9ben.<\/p>\n<h3><b>3.12.3 UV f\u00e9mmar\u00f3 tinta<\/b><\/h3>\n<p>A f\u00e9mmarat\u00e1s olyan technikai eszk\u00f6z, amely k\u00e9miai kezel\u00e9ssel (k\u00e9miai marat\u00e1s, k\u00e9miai csiszol\u00e1s) vagy mechanikai kezel\u00e9ssel (mechanikai homokf\u00fav\u00e1s, dombor\u00edt\u00e1s stb.) a f\u00e9nyes f\u00e9mfel\u00fcletet homor\u00fa \u00e9s dombor\u00fa durva krist\u00e1lyfel\u00fclett\u00e9 alak\u00edtja. A f\u00e9nysz\u00f3r\u00e1s k\u00fcl\u00f6nleges vizu\u00e1lis hat\u00e1st eredm\u00e9nyez, ami a term\u00e9knek egyedi m\u0171v\u00e9szi st\u00edlust k\u00f6lcs\u00f6n\u00f6z. A k\u00e9miai marat\u00e1s, mint prec\u00edz \u00e9s tudom\u00e1nyos k\u00e9miai feldolgoz\u00e1si technol\u00f3gia, sz\u00e9les k\u00f6rben haszn\u00e1latos a k\u00fcl\u00f6nb\u00f6z\u0151 f\u00e9mes anyagokon. A f\u00e9manyagok marat\u00e1s\u00e1nak kulcsa kett\u0151s: v\u00e9dje meg a marand\u00f3 r\u00e9szt; \u00e9s marja el teljesen a nem marand\u00f3 r\u00e9szt, hogy a k\u00edv\u00e1nt k\u00e9pet kapja.<\/p>\n<p>A marat\u00e1s sor\u00e1n lej\u00e1tsz\u00f3d\u00f3 k\u00e9miai reakci\u00f3 t\u00edpusa szerint oszt\u00e1lyozz\u00e1k:<\/p>\n<p>\u2460 K\u00e9miai marat\u00e1s. Folyamat: el\u0151kef\u00e9l\u00e9s \u2192 marat\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 savas m\u00e1rt\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 reziszt elt\u00e1vol\u00edt\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 sz\u00e1r\u00edt\u00e1s.<\/p>\n<p>\u2461 Elektrolitikus marat\u00e1s. Folyamat: bet\u00f6lt\u00e9s \u2192 bekapcsol\u00e1s \u2192 marat\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 savba m\u00e1rt\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 reziszt elt\u00e1vol\u00edt\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 sz\u00e1r\u00edt\u00e1s.<\/p>\n<p>A k\u00e9miai marat\u00e1s a marand\u00f3 anyag t\u00edpusa szerint a k\u00f6vetkez\u0151k\u00e9ppen oszt\u00e1lyozhat\u00f3:<\/p>\n<p>\u2460 R\u00e9zmarat\u00e1s. A folyamat: a pol\u00edrozott vagy csiszolt r\u00e9zlemez fel\u00fclet\u00e9nek megtiszt\u00edt\u00e1sa \u2192 szitanyom\u00e1s UV-ellen\u00e1ll\u00f3 reziszt tinta \u2192 UV-kem\u00e9ny\u00edt\u00e9s \u2192 marat\u00e1s \u2192 \u00f6bl\u00edt\u00e9s \u2192 szitanyom\u00e1s\u00fa reziszt tintar\u00e9teg elt\u00e1vol\u00edt\u00e1sa \u2192 \u00f6bl\u00edt\u00e9s \u2192 ut\u00f3kezel\u00e9s \u2192 sz\u00e1r\u00edt\u00e1s \u2192 k\u00e9szterm\u00e9k.<\/p>\n<p>Ebben az elj\u00e1r\u00e1sban UV-\u00e1ll\u00f3 tint\u00e1t haszn\u00e1lnak a k\u00e9p k\u00f6zvetlen szitanyom\u00e1s\u00e1hoz, hogy megv\u00e9dj\u00e9k a k\u00edv\u00e1nt alkatr\u00e9szt a korr\u00f3zi\u00f3t\u00f3l. A nem nyomtatott r\u00e9szt a marat\u00e1s sor\u00e1n elmarj\u00e1k. Ez\u00e9rt az alkalmazott UV-\u00e1ll\u00f3 tint\u00e1nak er\u0151s tapad\u00e1st kell mutatnia a f\u00e9mhez, sav- (vagy l\u00fag-) \u00e9s galvaniz\u00e1l\u00e1si ellen\u00e1ll\u00e1st kell biztos\u00edtania.<\/p>\n<p>\u2461 Rozsdamentes ac\u00e9l marat\u00e1s. Folyamat: a lemez fel\u00fclet\u00e9nek tiszt\u00edt\u00e1sa \u2192 szitanyom\u00e1s foly\u00e9kony fotoreziszt tint\u00e1val \u2192 sz\u00e1r\u00edt\u00e1s \u2192 filmmel t\u00f6rt\u00e9n\u0151 expon\u00e1l\u00e1s \u2192 fejleszt\u00e9s \u2192 mos\u00e1s \u2192 sz\u00e1r\u00edt\u00e1s \u2192 a lemez ellen\u0151rz\u00e9se \u00e9s jav\u00edt\u00e1sa \u2192 a film kikem\u00e9ny\u00edt\u00e9se \u2192 marat\u00e1s \u2192 a v\u00e9d\u0151r\u00e9teg elt\u00e1vol\u00edt\u00e1sa \u2192 mos\u00e1s \u2192 ut\u00f3kezel\u00e9s \u2192 sz\u00e1r\u00edt\u00e1s \u2192 k\u00e9szterm\u00e9k.<\/p>\n<p>Ez az elj\u00e1r\u00e1s sor\u00e1n a lemezt fotopolimeriz\u00e1lhat\u00f3 rezisztfest\u00e9kkel vonj\u00e1k be, majd f\u00e9nynek teszik ki, a reziszt mint\u00e1zat\u00e1nak kialakul\u00e1s\u00e1hoz kifejlesztik, \u00e9s ezt k\u00f6vet\u0151en maratj\u00e1k.<\/p>\n<p>F\u00e9ny\u00e9rz\u00e9keny filmet k\u00e9pezve a f\u00e9mfel\u00fcletre a fotolitogr\u00e1fiai reziszt fest\u00e9k egyenletes r\u00e9teg\u00e9t permetez\u00e9ssel, ecsettel, hengerl\u00e9ssel vagy m\u00e1rt\u00e1ssal lehet felvinni. Kis m\u00e9ret\u0171 s\u00edk fel\u00fcletek eset\u00e9n azonban a szitanyom\u00e1s a legk\u00e9nyelmesebb \u00e9s legmegb\u00edzhat\u00f3bb m\u00f3dszer. A fotolitogr\u00e1fiai reziszt fest\u00e9keknek er\u0151s tapad\u00e1st kell biztos\u00edtaniuk a f\u00e9mhez, sav (vagy l\u00fag) ellen\u00e1ll\u00e1st \u00e9s galvaniz\u00e1l\u00e1ssal szembeni ellen\u00e1ll\u00e1st.<\/p>\n<p>Az UV-\u00e1ll\u00f3 \u00e9s fot\u00f3\u00e1br\u00e1zol\u00e1sra alkalmas rezisztek elk\u00e9sz\u00edt\u00e9s\u00e9vel kapcsolatban l\u00e1sd a 4. fejezetet a nyomtatott \u00e1ramk\u00f6ri fest\u00e9kekr\u0151l.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How formulators usually evaluate this photoinitiator topic<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Aj\u00e1nlott term\u00e9kreferenci\u00e1k<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-cat-261-cas-32760-80-8\/\">CHLUMINIT 261<\/a>:<\/strong> A direct cationic-photoinitiator reference when cationic curing routes are being screened.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> A strong low-yellowing reference for LED-oriented UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/li>\n<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>UV metal ink 3.12.1 Metal packaging printing Metal packaging materials, as an important packaging material in the packaging field, have many advantages over other packaging materials, such as recyclability, good<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-7922","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UV metal ink \u2013 Photoinitiator - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"UV metal ink 3.12.1 Metal packaging printing Metal packaging materials, as an important packaging material in the packaging field, have many advantages...\" \/>\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\/hu\/uv-metal-ink-photoinitiator\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UV metal ink \u2013 Photoinitiator - 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