{"id":8141,"date":"2025-03-17T08:09:56","date_gmt":"2025-03-17T08:09:56","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=8141"},"modified":"2026-04-28T09:55:35","modified_gmt":"2026-04-28T09:55:35","slug":"uv-varnish","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/uv-varnish\/","title":{"rendered":"UV-lakk"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Gyors v\u00e1lasz:<\/strong> For UV monomer and resin selection, the key commercial question is not \u201cwhich material is best in general\u201d but \u201cwhich package delivers the right balance of flow, cure, adhesion, and durability in the real application.\u201d<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>UV-lakk<\/p>\n<p>A nyomtat\u00e1si \u00e9s lakkoz\u00e1si folyamat sor\u00e1n a nyomdai anyag fel\u00fclet\u00e9re lakkot (vagy lakkfest\u00e9ket) visznek fel, amely sz\u00e1raz filmet k\u00e9pez. Funkci\u00f3ja hasonl\u00f3 a lamin\u00e1l\u00e1s\u00e9hoz, els\u0151sorban a nyomtatott fel\u00fclet simas\u00e1g\u00e1nak \u00e9s f\u00e9ny\u00e9nek n\u00f6vel\u00e9se. A lakkozott nyomtatv\u00e1nyok \u00e9l\u00e9nkebbek \u00e9s vastagabb text\u00far\u00e1j\u00faak, ami megsz\u00e9p\u00edti \u00e9s fokozza a l\u00e1tv\u00e1nyt. Ugyanakkor a lakkoz\u00e1s ut\u00e1n a nyomdai anyag olyan ut\u00f3lagos funkci\u00f3kkal is rendelkezik, mint a v\u00edz\u00e1ll\u00f3s\u00e1g, a nedvess\u00e9g\u00e1ll\u00f3s\u00e1g, a s\u00farl\u00f3d\u00e1s\u00e1ll\u00f3s\u00e1g \u00e9s a vegyszer\u00e1ll\u00f3s\u00e1g, ami meghosszabb\u00edthatja a nyomdai anyag \u00e9lettartam\u00e1t. A pap\u00edr m\u00e1zol\u00e1sa a v\u00edzb\u00e1zis\u00fa fest\u00e9km\u00e1zol\u00e1s, az old\u00f3szeres m\u00e1zol\u00e1s olajm\u00e1zol\u00e1s, a m\u0171anyag lamin\u00e1l\u00e1s \u00e9s az UV m\u00e1zol\u00e1s olajm\u00e1zol\u00e1s folyamatain ment kereszt\u00fcl. B\u00e1r a m\u0171anyag lamin\u00e1l\u00e1s jobb teljes\u00edtm\u00e9nyt ny\u00fajt, a lamin\u00e1l\u00e1s ut\u00e1n a pap\u00edr nem \u00fajrahasznos\u00edthat\u00f3 \u00e9s \u00fajrafelhaszn\u00e1lhat\u00f3, \u00e9s a nyomdai ut\u00f3feldolgoz\u00e1s sor\u00e1n az olyan folyamatok, mint a ragaszt\u00e1s \u00e9s a bronzol\u00e1s nem v\u00e9gezhet\u0151k el.<\/p>\n<p>Ez\u00e9rt amikor az 1980-as \u00e9vekben megjelent az UV-lakk, fokozatosan felv\u00e1ltotta az UV-lakkoz\u00e1s, amely m\u00e9g jobb teljes\u00edtm\u00e9nyt ny\u00fajt. Mivel az UV-lakkoz\u00e1si elj\u00e1r\u00e1s el\u0151nye, hogy egyszer\u0171, k\u00e9nyelmes \u00e9s olcs\u00f3, \u00e9s mivel az UV-lakkozott pap\u00edr nem befoly\u00e1solja az \u00fajrahasznos\u00edt\u00e1st \u00e9s k\u00e9pes az er\u0151forr\u00e1sok meg\u0151rz\u00e9s\u00e9re, megfelel a k\u00f6rnyezetv\u00e9delmi k\u00f6vetelm\u00e9nyeknek, \u00e9s a z\u00f6ld csomagol\u00e1s f\u0151 t\u00e1masza. Sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6nyvek, katal\u00f3gusok, csomagol\u00e1sok \u00e9s dekorat\u00edv nyomtatott term\u00e9kek eset\u00e9ben, \u00e9s versenyk\u00e9pesebb, mint a hagyom\u00e1nyos lamin\u00e1l\u00e1si elj\u00e1r\u00e1s a nyomtatott term\u00e9kek fel\u00fcleti f\u00e9nyess\u00e9gkezel\u00e9si technol\u00f3gi\u00e1j\u00e1ban.<\/p>\n<p>A lakkoz\u00e1s jobb fel\u00fcleti tulajdons\u00e1gokkal rendelkezik, mint a lamin\u00e1l\u00e1s vagy a kalanderez\u00e9s, \u00e9s megfelel a csomagol\u00f3 kartonok magas k\u00f6vetelm\u00e9nyeinek a kop\u00e1s\u00e1ll\u00f3s\u00e1g, a f\u00e9nyess\u00e9g \u00e9s a folt\u00e1ll\u00f3s\u00e1g tekintet\u00e9ben. A BOPP-f\u00f3lia kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171 nyom\u00f3pap\u00edrra t\u00f6rt\u00e9n\u0151 lamin\u00e1l\u00e1s\u00e1hoz hasonl\u00f3 eredm\u00e9nyeket \u00e9rhet el. Ez\u00e9rt a pap\u00edrterm\u00e9kek UV-lakkoz\u00e1ssal t\u00f6rt\u00e9n\u0151 lakkoz\u00e1sa val\u00f3ban a legjobb v\u00e1laszt\u00e1s.<br \/>\nA filmk\u00e9pz\u00e9si mechanizmus szerint a lakkok h\u00e1rom f\u0151 kateg\u00f3ri\u00e1ba sorolhat\u00f3k: old\u00f3szerrel p\u00e1rologtathat\u00f3, emulzi\u00f3val aggreg\u00e1lhat\u00f3 \u00e9s t\u00e9rh\u00e1l\u00f3s kem\u00e9nyed\u00e9s\u0171 lakkok, amelyek megfelelnek az old\u00f3szeres lakkoknak, a v\u00edzalap\u00fa emulzi\u00f3s lakkoknak \u00e9s az UV-lakkoknak. Az aljzat szerint a lakkok pap\u00edrlakkokra, m\u0171anyag f\u00f3lialakkokra \u00e9s falakkokra oszthat\u00f3k. A sz\u00e1r\u00edt\u00e1si m\u00f3dszer szerint a lakkok term\u00e9szetes sz\u00e1r\u00edt\u00e1sra, infrav\u00f6r\u00f6s sz\u00e1r\u00edt\u00e1sra \u00e9s UV-kem\u00e9ny\u00edt\u00e9sre oszthat\u00f3k. Ezek k\u00f6z\u00fcl a filmk\u00e9pz\u00e9si mechanizmus szerinti oszt\u00e1lyoz\u00e1s tudom\u00e1nyosabb, mivel ez t\u00fckr\u00f6zi a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa lakkok f\u0151 jellemz\u0151it, \u00e9s egybeesik a lakkok technol\u00f3giai fejl\u0151d\u00e9si ir\u00e1ny\u00e1val is.<br \/>\n(1) Az old\u00f3szer alap\u00fa lakkokat fel kell v\u00e1ltani.<br \/>\nA korai m\u00e1zolajok ill\u00e9kony old\u00f3szerek voltak, \u00e9s f\u0151k\u00e9nt filmk\u00e9pz\u0151 gyant\u00e1kb\u00f3l, old\u00f3szerekb\u0151l \u00e9s adal\u00e9kanyagokb\u00f3l \u00e1lltak. A filmk\u00e9pz\u0151 gyant\u00e1k gyakran term\u00e9szetes gyant\u00e1k voltak, mint p\u00e9ld\u00e1ul a kubai gyant\u00e1k \u00e9s a gyantagyant\u00e1k. A term\u00e9szetes gyant\u00e1k a film gyenge \u00e1tl\u00e1tsz\u00f3s\u00e1g\u00e1t, s\u00e1rgul\u00e1s\u00e1t \u00e9s magas h\u0151m\u00e9rs\u00e9kleten \u00e9s magas p\u00e1ratartalm\u00fa k\u00f6rnyezetben \u00fajrak\u00f6t\u0151d\u00e9s\u00e9t okozhatj\u00e1k. A polimer-szint\u00e9zis technol\u00f3gia fejl\u0151d\u00e9s\u00e9vel a filmk\u00e9pz\u0151 gyant\u00e1kat szintetikus nitrocellul\u00f3zgyant\u00e1kkal, amin\u00f3gyant\u00e1kkal \u00e9s akrilgyant\u00e1kkal v\u00e1ltott\u00e1k fel. Ezeknek a szintetikus gyant\u00e1knak a haszn\u00e1lata hat\u00e9konyan jav\u00edtotta az \u00fcvegez\u0151 lakkok filmk\u00e9pz\u0151 tulajdons\u00e1gait. A term\u00e9szetes gyant\u00e1kkal \u00f6sszehasonl\u00edtva a szintetikus gyant\u00e1k jelent\u0151s jellemz\u0151i a j\u00f3 filmk\u00e9pz\u0151 tulajdons\u00e1gok, a magas f\u00e9nyess\u00e9g \u00e9s a nagy \u00e1tl\u00e1tsz\u00f3s\u00e1g. Magas viszkozit\u00e1suk miatt azonban a filmk\u00e9pz\u0151 gyant\u00e1k nem alkalmazhat\u00f3k k\u00f6zvetlen\u00fcl pap\u00edrra. A szintetikus gyant\u00e1k szerves old\u00f3szerekben t\u00f6rt\u00e9n\u0151 felold\u00e1s\u00e1ra \u00e9s h\u00edg\u00edt\u00e1s\u00e1ra szerves old\u00f3szereket haszn\u00e1lnak, cs\u00f6kkentve a gyant\u00e1k viszkozit\u00e1s\u00e1t, hogy megfeleljenek a m\u00e1zol\u00f3 lakkok felvitel\u00e9re vonatkoz\u00f3 k\u00f6vetelm\u00e9nyeknek.<br \/>\nMiut\u00e1n az old\u00f3szer alap\u00fa lakkot a nyomtatv\u00e1ny fel\u00fclet\u00e9re felvitt\u00e9k \u00e9s infrav\u00f6r\u00f6s vagy forr\u00f3 leveg\u0151vel megsz\u00e1r\u00edtott\u00e1k, a lakkban l\u00e9v\u0151 old\u00f3szer elp\u00e1rolog, \u00e9s a filmk\u00e9pz\u0151 gyanta a nyomtatv\u00e1ny fel\u00fclet\u00e9n marad, f\u00e9nyes filmet k\u00e9pezve. Az elp\u00e1rolg\u00f3 szerves old\u00f3szerek szennyezik a k\u00f6rnyezetet \u00e9s k\u00e1ros\u00edtj\u00e1k a kezel\u0151 eg\u00e9szs\u00e9g\u00e9t. R\u00e1ad\u00e1sul, ha a szerves old\u00f3szerek nem illannak el teljesen, egy r\u00e9sz\u00fck megmarad vagy behatol a pap\u00edrba, m\u00e1sodlagos szennyez\u00e9st okozva. A leggyakrabban haszn\u00e1lt szerves old\u00f3szerek k\u00f6z\u00e9 tartozik a benzol, a ketonok, az alkoholok \u00e9s az \u00e9szterek. Ezeket az old\u00f3szereket nagy mennyis\u00e9gben haszn\u00e1lj\u00e1k \u00e9s dr\u00e1g\u00e1k. V\u00e9g\u00fcl elp\u00e1rologtatj\u00e1k \u0151ket, ami er\u0151forr\u00e1s-pazarl\u00e1st eredm\u00e9nyez. V\u00e9g\u00fcl csak egy gyanta marad a nyomtatott term\u00e9k fel\u00fclet\u00e9n, \u00e9s \u00fagy t\u0171nik, hogy a szerves old\u00f3szer nem j\u00e1rul hozz\u00e1 t\u00fal sokat a v\u00e9gs\u0151 filmhez. A szerves old\u00f3szerek azonban nagyon fontos szerepet j\u00e1tszanak a filmk\u00e9pz\u00e9s folyamat\u00e1ban. Egy sor folyamat, mint p\u00e9ld\u00e1ul az old\u00e1s, h\u00edg\u00edt\u00e1s, diszperg\u00e1l\u00e1s, nedves\u00edt\u00e9s, szintez\u00e9s \u00e9s sz\u00e1r\u00edt\u00e1s k\u00f6zvetlen\u00fcl kapcsol\u00f3dik annak t\u00edpus\u00e1hoz \u00e9s mennyis\u00e9g\u00e9hez. A lakkban l\u00e9v\u0151 szerves old\u00f3szerek nem vesz\u00e9lytelenek, de nagyon hasznosak is. A kett\u0151 k\u00f6z\u00f6tti konfliktus felold\u00e1s\u00e1nak legjobb m\u00f3dja a helyettes\u00edt\u0151 term\u00e9k megtal\u00e1l\u00e1sa. Az embereknek term\u00e9szetesen a v\u00edz jut esz\u00e9be, a vil\u00e1g legb\u0151s\u00e9gesebb \u00e9s leggazdas\u00e1gosabb er\u0151forr\u00e1sa. A v\u00edz el\u0151nyei - b\u0151s\u00e9ges, olcs\u00f3 \u00e9s k\u00f6nnyen beszerezhet\u0151, nem gy\u00fal\u00e9kony \u00e9s nem robban\u00e9kony - v\u00e1ltak a v\u00edzb\u00e1zis\u00fa lakkok kifejleszt\u00e9s\u00e9\u00e9rt folytatott verseny hajt\u00f3erej\u00e9v\u00e9.<br \/>\n(2) A v\u00edzb\u00e1zis\u00fa lakkoknak is megvannak a maguk h\u00e1tr\u00e1nyai.<br \/>\nA mai vil\u00e1gban, ahol a harmonikus t\u00e1rsadalom \u00e9p\u00edt\u00e9se \u00e9s a z\u00f6ld anyagok ir\u00e1nti ig\u00e9ny a napirenden van, az emberek elkezdtek odafigyelni a k\u00f6r\u00fcl\u00f6tt\u00fck l\u00e9v\u0151 VOC (ill\u00e9kony szerves vegy\u00fcletek) mennyis\u00e9g\u00e9re. Az old\u00f3szeres lakkok VOC-tartalma \u00e1ltal\u00e1ban magas, \u00e1ltal\u00e1ban 40% \u00e9s 60% k\u00f6z\u00f6tt van, \u00e9s nagy r\u00e9sze a filmk\u00e9pz\u00e9si folyamat sor\u00e1n elp\u00e1rolog, szennyezve a k\u00f6rnyezetet. A v\u00edzb\u00e1zis\u00fa lakkoknak nagyon alacsony a VOC-tartalmuk, \u00e9s \u00e1ltal\u00e1ban a nyomdaipari koll\u00e9g\u00e1k kedvelik \u0151ket. A v\u00edzb\u00e1zis\u00fa lakkok filmk\u00e9pz\u0151 gyant\u00e1ja egy nagy molekulat\u00f6meg\u0171 vegy\u00fclet. Mivel az olaj \u00e9s a v\u00edz tasz\u00edtja egym\u00e1st, a nagy molekul\u00e1j\u00fa gyanta nem oldhat\u00f3 fel k\u00f6zvetlen\u00fcl v\u00edzben. Csak r\u00e9szecsk\u00e9k form\u00e1j\u00e1ban lehet v\u00edzben diszperg\u00e1lni, hogy egys\u00e9ges \u00e9s stabil emulzi\u00f3szer\u0171 lakkot kapjunk. A polimeriz\u00e1ci\u00f3s folyamat, a diszperzi\u00f3s folyamat \u00e9s a nagymolekul\u00e1j\u00fa gyanta r\u00e9szecskem\u00e9rete hat\u00e1rozza meg az emulzi\u00f3szer\u0171 lakk stabilit\u00e1s\u00e1t \u00e9s a film \u00e1tfog\u00f3 teljes\u00edtm\u00e9ny\u00e9t.<br \/>\n\u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a v\u00edzdiszperzi\u00f3k el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra k\u00e9t m\u00f3dszer l\u00e9tezik. Az els\u0151 a k\u00f6zvetlen diszperzi\u00f3s m\u00f3dszer, amelyben a f\u0151 gyant\u00e1t (p\u00e9ld\u00e1ul sztirol-butadi\u00e9n blokk-kopolimereket, etil\u00e9n-vinil-acet\u00e1t kopolimereket stb.) nagy sebess\u00e9g\u0171 ny\u00edr\u00f3er\u0151 alatt, mechanikus kever\u00e9ssel, fel\u00fcletakt\u00edv anyag jelenl\u00e9t\u00e9ben diszperg\u00e1lj\u00e1k v\u00edzben. Ha azonban a gyantar\u00e9szecsk\u00e9ket nem kell\u0151en kicsire \u00e9s egyenetlen m\u00e9ret\u0171re z\u00fazz\u00e1k, a fel\u00fcletakt\u00edv anyag t\u00edpus\u00e1t \u00e9s mennyis\u00e9g\u00e9t nem megfelel\u0151en v\u00e1lasztj\u00e1k meg, vagy az emulge\u00e1l\u00e1si folyamatot nem megfelel\u0151en v\u00e9gzik el, a kapott diszperzi\u00f3s rendszer termodinamikailag instabil lesz, \u00e9s id\u0151vel r\u00e9szecskesediment\u00e1ci\u00f3n \u00e9s flokkul\u00e1ci\u00f3n is \u00e1tesik.<\/p>\n<p>Ez\u00e9rt a k\u00f6zvetlen diszperzi\u00f3s m\u00f3dszerrel kapott diszperzi\u00f3s rendszer stabilit\u00e1sa id\u0151vel romlik, \u00e9s az ezzel a m\u00f3dszerrel nyert v\u00edzb\u00e1zis\u00fa m\u00e1zolaj min\u0151s\u00e9ge egy bizonyos ideig korl\u00e1tozott. A m\u00e1sodik m\u00f3dszer az emulzi\u00f3s polimeriz\u00e1ci\u00f3s m\u00f3dszer. Az emulzi\u00f3s polimeriz\u00e1ci\u00f3s m\u00f3dszerrel el\u0151\u00e1ll\u00edtott v\u00edzb\u00e1zis\u00fa diszperzi\u00f3k termodinamikailag stabil rendszerek, kis r\u00e9szecskem\u00e9rettel \u00e9s sz\u0171k r\u00e9szecskem\u00e9ret-eloszl\u00e1ssal. Stabilit\u00e1suk az id\u0151 m\u00fal\u00e1s\u00e1val nem romlik.<\/p>\n<p>A k\u00f6zvetlen diszperzi\u00f3s m\u00f3dszerrel \u00f6sszehasonl\u00edtva az emulzi\u00f3s polimeriz\u00e1ci\u00f3s m\u00f3dszerrel el\u0151\u00e1ll\u00edtott \u00e9s v\u00edzb\u00e1zis\u00fa lakkfilmm\u00e9 formul\u00e1zott emulzi\u00f3 j\u00f3 t\u00f6m\u00f6rs\u00e9g\u0171 \u00e9s magas f\u00e9ny\u0171. A v\u00edzb\u00e1zis\u00fa lakkok emulzi\u00f3s polimeriz\u00e1ci\u00f3s m\u00f3dszerrel t\u00f6rt\u00e9n\u0151 el\u0151\u00e1ll\u00edt\u00e1sakor \u00e1ltal\u00e1ban akril\u00e1t monomereket haszn\u00e1lnak. Az akril\u00e1t monomerek \u00f6nmagukban vagy m\u00e1s monomerekkel, p\u00e9ld\u00e1ul etil\u00e9nnel \u00e9s vinil-acet\u00e1ttal kopolimeriz\u00e1lhat\u00f3k. Az akril\u00e1t polimerek v\u00edz\u00e1ll\u00f3ak, sz\u00edntelenek, f\u00e9nyesek \u00e9s j\u00f3l tapadnak a pap\u00edrhoz. A k\u00fcl\u00f6nb\u00f6z\u0151 monomerekkel t\u00f6rt\u00e9n\u0151 kopolimeriz\u00e1ci\u00f3val k\u00fcl\u00f6nb\u00f6z\u0151 kem\u00e9nys\u00e9g\u0171 \u00e9s filmtulajdons\u00e1g\u00fa kopolimer gyant\u00e1k \u00e1ll\u00edthat\u00f3k el\u0151. Az emulzi\u00f3s polimeriz\u00e1ci\u00f3s folyamat a lakk teljes\u00edtm\u00e9ny\u00e9nek kulcsa. A lakkok emulzi\u00f3s polimeriz\u00e1ci\u00f3s folyamata \u00e1ltal\u00e1ban akril\u00e1tokat vagy tel\u00edtetlen olefineket haszn\u00e1l monomerk\u00e9nt, anionos vagy nemionos fel\u00fcletakt\u00edv anyagokat emulge\u00e1l\u00f3szerk\u00e9nt \u00e9s perszulf\u00e1tokat inici\u00e1tork\u00e9nt. A folyamatot egy bizonyos h\u0151m\u00e9rs\u00e9kleten v\u00e9gzik, hogy szabadgy\u00f6k\u00f6s emulzi\u00f3s kopolimereket hozzanak l\u00e9tre, majd kis mennyis\u00e9g\u0171 adal\u00e9kanyagot adnak hozz\u00e1, amm\u00f3ni\u00e1val semleges\u00edtik \u00e9s sz\u0171rik.<\/p>\n<p>Az emulzi\u00f3s polimeriz\u00e1ci\u00f3val el\u0151\u00e1ll\u00edtott v\u00edzb\u00e1zis\u00fa m\u00e1zolaj az emulzi\u00f3s koaleszcenciasz\u00e1r\u00edt\u00f3 bevonat t\u00edpus\u00e1ba tartozik. Infrav\u00f6r\u00f6s sugarak vagy forr\u00f3 leveg\u0151 hat\u00e1s\u00e1ra gyorsan sz\u00e1rad. Miut\u00e1n a v\u00edz elp\u00e1rolog \u00e9s behatol a pap\u00edrba, az izol\u00e1lt latexr\u00e9szecsk\u00e9k sz\u00e9tter\u00fclnek \u00e9s felhalmoz\u00f3dnak egym\u00e1ssal, f\u00e9nyes polimerfilmet hagyva a pap\u00edr fel\u00fclet\u00e9n. A v\u00edzb\u00e1zis\u00fa lakkok k\u00f6nnyen kezelhet\u0151k, olcs\u00f3k \u00e9s k\u00f6rnyezetbar\u00e1tok, de van n\u00e9h\u00e1ny jelent\u0151s h\u00e1tr\u00e1nyuk is, mint p\u00e9ld\u00e1ul a viszonylag gyenge v\u00edz\u00e1ll\u00f3s\u00e1g, a viszonylag alacsony f\u00e9nyess\u00e9g, valamint a sz\u00e1r\u00edt\u00e1s \u00e9s a v\u00edz elt\u00e1vol\u00edt\u00e1sa sor\u00e1n jelentkez\u0151 magas energiafogyaszt\u00e1s.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Hogyan \u00e9rt\u00e9kelik \u00e1ltal\u00e1ban a vev\u0151k az UV-monomereket \u00e9s a gyantarendszereket<\/h2>\n<p>A legelterjedtebb UV-formul\u00e1ci\u00f3k \u00fagy k\u00e9sz\u00fclnek, hogy el\u0151sz\u00f6r a f\u0151v\u00e1zat v\u00e1lasztj\u00e1k ki, majd a reakt\u00edv monomercsomagot a hordoz\u00f3hoz, a kik\u00f6t\u00e9si m\u00f3dhoz \u00e9s a felhaszn\u00e1l\u00e1s sor\u00e1n fell\u00e9p\u0151 ig\u00e9nybev\u00e9telekhez igaz\u00edtj\u00e1k. Ez \u00e1ltal\u00e1ban stabilabb eredm\u00e9nyt hoz, mint ha puszt\u00e1n a viszkozit\u00e1s vagy az \u00e1r alapj\u00e1n v\u00e1lasztan\u00e1nk meg az anyagokat.<\/p>\n<ul>\n<li><strong>Kezdje a v\u00e9gs\u0151 tulajdonc\u00e9lb\u00f3l:<\/strong> a kem\u00e9nys\u00e9g, a rugalmass\u00e1g, a tapad\u00e1s \u00e9s a zsugorod\u00e1s ritk\u00e1n utal pontosan ugyanarra a nyersanyagtartalomra.<\/li>\n<li><strong>Sz\u0171rje a reakt\u00edv csomagot eg\u00e9szk\u00e9nt:<\/strong> Az oligomer, a monomer \u00e9s a fotoinici\u00e1tor-v\u00e1laszt\u00e9k er\u0151sen k\u00f6lcs\u00f6nhat\u00e1sba l\u00e9p a UV rendszerekben.<\/li>\n<li><strong>Haszn\u00e1ld a viszkozit\u00e1st eszk\u00f6zk\u00e9nt, ne pedig az egyetlen d\u00f6nt\u00e9si szab\u00e1lyk\u00e9nt:<\/strong> A legk\u00f6nnyebben feldolgozhat\u00f3 anyag nem mindig az, amelyik kikem\u00e9nyed\u00e9s ut\u00e1n a legjobban teljes\u00edt.<\/li>\n<li><strong>Ellen\u0151rizd a val\u00f3s szubsztr\u00e1tumot:<\/strong> A m\u0171anyag, f\u00e9m, c\u00edmkef\u00f3lia, g\u00e9lrendszerek \u00e9s bevonatok nagyon elt\u00e9r\u0151 polarit\u00e1si \u00e9s kikem\u00e9nyed\u00e9si s\u0171r\u0171s\u00e9gi egyens\u00falyt eredm\u00e9nyezhetnek.<\/li>\n<\/ul>\n<h3>Aj\u00e1nlott term\u00e9kreferenci\u00e1k<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> Er\u0151s nedves\u00edt\u0151 szer referencia tint\u00e1khoz, bevonatokhoz \u00e9s nehezen nedves\u00edthet\u0151 hordoz\u00f3khoz.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe-3071-organic-silicone-surfactant-organosilicone-wetting-agent\/\">CHLUMIWE 3071<\/a>:<\/strong> Useful when organosilicone wetting support is needed in a broad application screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiag-3000\/\">CHLUMIAG 3000<\/a>:<\/strong> A practical leveling and anti-sticking reference in UV coating and ink-related systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe3345-silicone-leveling-agents-wetting-leveling-agents\/\">CHLUMIWE 3345<\/a>:<\/strong> A practical wetting-and-leveling reference when broader surface control is needed.<\/li>\n<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Egy UV-monomer vagy gyanta megoldhat minden formul\u00e1ci\u00f3s probl\u00e9m\u00e1t?<\/strong><br \/>\u00c1ltal\u00e1ban nem. A kereskedelmileg er\u0151s formul\u00e1k att\u00f3l f\u00fcggenek, hogyan m\u0171k\u00f6dik egy\u00fctt t\u00f6bb komponens a kikem\u00e9nyed\u00e9s, tapad\u00e1s, foly\u00e1s \u00e9s tart\u00f3ss\u00e1g kiegyens\u00falyoz\u00e1s\u00e1ra.<\/p>\n<p><strong>Mi\u00e9rt kell a monomereket az oligomerekkel egy\u00fctt vizsg\u00e1lni?<\/strong><br \/>Mivel a monomerek megv\u00e1ltoztathatj\u00e1k a viszkozit\u00e1st, a k\u00f6t\u00e9si sebess\u00e9get, a zsugorod\u00e1st \u00e9s az aljzat viselked\u00e9s\u00e9t annyira, hogy befoly\u00e1solj\u00e1k ugyanazon alapgyanta v\u00e9gs\u0151 rangsorol\u00e1s\u00e1t.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>The printing and varnishing process involves applying a varnish (or varnishing paint) to the surface of the printed matter to form a dry film. Its function is similar to that<\/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-8141","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 varnish - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The printing and varnishing process involves applying a varnish (or varnishing paint) to the surface of the printed matter to form a dry film. 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