{"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> Az UV monomer \u00e9s gyanta kiv\u00e1laszt\u00e1s\u00e1n\u00e1l a legfontosabb kereskedelmi k\u00e9rd\u00e9s nem az, hogy \u201e\u00e1ltal\u00e1ban melyik anyag a legjobb\u201d, hanem az, hogy \u201emelyik csomag biztos\u00edtja a megfelel\u0151 egyens\u00falyt a foly\u00e1s, a kikem\u00e9nyed\u00e9s, a tapad\u00e1s \u00e9s a tart\u00f3ss\u00e1g k\u00f6z\u00f6tt a val\u00f3s alkalmaz\u00e1sban\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> Hasznos, ha sz\u00e9les k\u00f6r\u0171 alkalmaz\u00e1si ter\u00fcleten szerves szilikon nedves\u00edt\u00e9si t\u00e1mogat\u00e1sra van sz\u00fcks\u00e9g.<\/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> Gyakorlati nedves\u00edt\u00e9si \u00e9s szintez\u00e9si referencia, ha sz\u00e9lesebb fel\u00fcletek szab\u00e1lyoz\u00e1s\u00e1ra van sz\u00fcks\u00e9g.<\/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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