{"id":8187,"date":"2025-04-08T09:02:33","date_gmt":"2025-04-08T09:02:33","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=8187"},"modified":"2026-04-28T10:42:52","modified_gmt":"2026-04-28T10:42:52","slug":"how-to-efficiently-select-oligomers-resins","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/how-to-efficiently-select-oligomers-resins\/","title":{"rendered":"UV-bevonat k\u00e9sz\u00edtm\u00e9ny: Hogyan v\u00e1lasszuk ki hat\u00e9konyan az oligomereket (gyant\u00e1kat)?"},"content":{"rendered":"<h2><b>UV bevonat<\/b><b> megfogalmaz\u00e1s: Hogyan v\u00e1lasszuk ki hat\u00e9konyan<\/b><b> oligomerek<\/b><b> (gyant\u00e1k)<\/b><\/h2>\n<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><b>Az oligomerek szerepe az UV bevonatokban<\/b><\/p>\n<p>Oligomer: Az oligomereket, m\u00e1s n\u00e9ven prepolimereket a f\u00e9nyre kem\u00e9nyed\u0151 bevonatokban haszn\u00e1lj\u00e1k. A kor\u00e1bbi \u00e9vekben oligomereknek ford\u00edtott\u00e1k \u0151ket. Kiemelked\u0151 jellemz\u0151ik: kis molekulat\u00f6meg, jellegzetes polimeriz\u00e1ci\u00f3s csoport \u00e9s nagy viszkozit\u00e1s. Az oligomerek alkotj\u00e1k a f\u00e9nyre kem\u00e9nyed\u0151 bevonatok f\u0151 test\u00e9t \u00e9s v\u00e1z\u00e1t (a bevon\u00f3film sz\u00e1mos fizikai \u00e9s k\u00e9miai tulajdons\u00e1g\u00e1t).<\/p>\n<p><b>Az UV-kem\u00e9nyed\u00e9si reakci\u00f3 jellemz\u0151i<\/b><\/p>\n<p>Az UV-kem\u00e9nyed\u00e9s egy add\u00edci\u00f3s polimeriz\u00e1ci\u00f3s reakci\u00f3 tel\u00edtetlen molekul\u00e1k k\u00f6z\u00f6tt. Az inici\u00e1tor ind\u00edt\u00e1si mechanizmusa szerint l\u00e9tezik szabad gy\u00f6k\u00f6s polimeriz\u00e1ci\u00f3 \u00e9s kationos polimeriz\u00e1ci\u00f3. Az \u00e1ltalunk jobban vizsg\u00e1lt polimeriz\u00e1ci\u00f3 azonban a szabadgy\u00f6k\u00f6s polimeriz\u00e1ci\u00f3 (ez az el\u0151ad\u00e1s a szabadgy\u00f6k\u00f6s polimeriz\u00e1ci\u00f3n alapul). Ez a C-C keresztk\u00f6t\u00e9sekkel rendelkez\u0151 szerkezet a v\u00e9g\u00e9n egy merev keresztk\u00f6t\u00e9s.<\/p>\n<p><b>Polimeriz\u00e1ci\u00f3s mechanizmus<\/b><\/p>\n<p>A radik\u00e1lis polimeriz\u00e1ci\u00f3 a k\u00f6vetkez\u0151 jellemz\u0151kkel rendelkezik: gyors reakci\u00f3; nagy zsugorod\u00e1s; kis v\u00e1ltoz\u00e1s a polimeriz\u00e1ci\u00f3s fokban; \u00e9s a polimeriz\u00e1ci\u00f3s inhibitorok nagym\u00e9rt\u00e9k\u0171 hat\u00e1sa (0,01-0,1% inhibitor le\u00e1ll\u00edthatja a reakci\u00f3t).<\/p>\n<p>A bevonatokra gyakorolt legk\u00e1rosabb hat\u00e1s a zsugorod\u00e1s. W.J. Bailey \u00e9s m\u00e1sok kutat\u00e1sai szerint, ha a kett\u0151s k\u00f6t\u00e9sek polimeriz\u00e1ci\u00f3j\u00e1nak felold\u00e1sa k\u00f6z\u00f6tt hossz\u00fa id\u0151 telik el, \u00e9s amint a polimeriz\u00e1ci\u00f3 kovalens k\u00f6t\u00e9sek kialakul\u00e1s\u00e1hoz vezet, a t\u00e1vols\u00e1g megr\u00f6vid\u00fcl, ami t\u00e9rfogatcs\u00f6kken\u00e9st okoz. Az \u00f6sszes tel\u00edtetlen polimeriz\u00e1lt kett\u0151s k\u00f6t\u00e9s zsugorod\u00e1sa olyan magas, mint 11%.<\/p>\n<p><b>Az UV-bevonatok \u00f6sszetetts\u00e9ge<\/b><\/p>\n<p>1. Sokf\u00e9le monomer l\u00e9tezik<\/p>\n<p>2. Sokf\u00e9le b\u00e1zisoligomer (gyanta) l\u00e9tezik. Jelenleg a szint\u00e9zis sor\u00e1n a funkci\u00f3s csoportok szerint oszt\u00e1lyozz\u00e1k \u0151ket: tel\u00edtetlen poli\u00e9szter alap\u00fa PE, epoxi alap\u00fa EA, poliuret\u00e1n alap\u00fa PUA, poli\u00e9szter alap\u00fa PEA, amino alap\u00fa, poli\u00e9ter alap\u00fa, szilikon alap\u00fa, foszf\u00e1t alap\u00fa \u00e9s hibrid t\u00edpusok.<\/p>\n<p><b>Az UV-bevonatokban \u00e1ltal\u00e1nosan haszn\u00e1lt gyant\u00e1k r\u00f6vid bemutat\u00e1sa, funkci\u00f3juk szerint oszt\u00e1lyozva<\/b><\/p>\n<p><b>Kem\u00e9ny gyant\u00e1k - magas Tg<\/b><\/p>\n<p>nagy kem\u00e9nys\u00e9g, j\u00f3 k\u00e9miai ellen\u00e1ll\u00e1s \u00e9s gyors kikem\u00e9nyed\u00e9si sebess\u00e9g a legt\u00f6bb<\/p>\n<p>1. Szabv\u00e1nyos biszfenol A t\u00edpus\u00fa EA;<\/p>\n<p>2. Nagy funkci\u00f3s PUA \u00e9s kis molekulat\u00f6meg\u0171 2fPUA;<\/p>\n<p>3. Nagy funkci\u00f3s amino-akril\u00e1t;<\/p>\n<p>4. Metakril\u00e1t oligomer.<\/p>\n<p><b>Puha gyanta-kis Tg<\/b><\/p>\n<p>j\u00f3 rugalmass\u00e1g, alacsony kikem\u00e9nyed\u00e9si sebess\u00e9g \u00e9s alacsony t\u00e9rh\u00e1l\u00f3sod\u00e1si s\u0171r\u0171s\u00e9g.<\/p>\n<p>1. M\u00f3dos\u00edtott epoxi - epoxi sz\u00f3jaolaj-akril\u00e1t, stb..;<\/p>\n<p>2. Hossz\u00fa l\u00e1nc\u00fa poli\u00e9szter-akril\u00e1t;<\/p>\n<p>3. Egyenes l\u00e1nc\u00fa szerkezet\u0171 PUA, amelynek t\u00f6megfrakci\u00f3ja t\u00f6bb mint 1200;<\/p>\n<p>4. N\u00e9h\u00e1ny tiszta akril\u00e1t oligomer<\/p>\n<p><b>Pol\u00e1ris gyant\u00e1k<\/b><\/p>\n<p>Akt\u00edv hidrog\u00e9nt tartalmaz\u00f3 vagy k\u00f6nnyen hidrog\u00e9nk\u00f6t\u00e9seket k\u00e9pz\u0151, a polarit\u00e1st vagy a fel\u00fcleti fesz\u00fclts\u00e9get megv\u00e1ltoztat\u00f3 oligomerek<\/p>\n<p>1. Foszf\u00e1t\u00e9szter-akril\u00e1t<\/p>\n<p>2. Szilikon oligomerek - k\u00fcl\u00f6n\u00f6sen<\/p>\n<p>3. Karboxil-akril\u00e1t oligomerek<\/p>\n<p><b>V\u00edzb\u00e1zis\u00fa UV oligomerek<\/b><\/p>\n<p>Emulzi\u00f3s t\u00edpus, v\u00edzben diszperg\u00e1lhat\u00f3 t\u00edpus, v\u00edzben old\u00f3d\u00f3 t\u00edpus<\/p>\n<p>1. poliuret\u00e1n t\u00edpus - a f\u0151 t\u00edpus;<\/p>\n<p>2. epoxi akril\u00e1t t\u00edpus\u00fa;<\/p>\n<p>3. poli\u00e9szter akril\u00e1t t\u00edpus.<\/p>\n<p><b>A nem keresztk\u00f6t\u0151 gyant\u00e1k alkalmaz\u00e1sa az UV-technol\u00f3gi\u00e1ban<\/b><\/p>\n<p>T\u00f6lt\u0151hat\u00e1s, a t\u00e9rh\u00e1l\u00f3s\u0171r\u0171s\u00e9g jav\u00edt\u00e1sa, a tapad\u00e1s n\u00f6vel\u00e9se, a rugalmass\u00e1g megv\u00e1ltoztat\u00e1sa, a nedves\u00edthet\u0151s\u00e9g jav\u00edt\u00e1sa \u00e9s egy\u00e9b seg\u00e9dhat\u00e1sok.<\/p>\n<p>1. hossz\u00fa olajos alkidgyant\u00e1k;<\/p>\n<p>2. h\u0151re l\u00e1gyul\u00f3 akril\u00e1tgyant\u00e1k;<\/p>\n<p>3. aldehid-keton gyant\u00e1k;<\/p>\n<p>4. k\u0151olajgyant\u00e1k stb.<\/p>\n<p><b>Az UV-bevonat formul\u00e1j\u00e1nak megtervez\u00e9se Hogyan v\u00e1lasszuk ki a gyant\u00e1t?<\/b><\/p>\n<p>Miel\u0151tt megtervezn\u00e9 a bevonat formul\u00e1j\u00e1t, tiszt\u00e1ban kell lennie a k\u00f6vetkez\u0151kkel<\/p>\n<p>1. a bevonatfajt\u00e1k a bevon\u00e1si folyamatban - azonos\u00edtsa az alapoz\u00f3kat, a fed\u0151r\u00e9tegeket \u00e9s a fest\u00e9keket;<\/p>\n<p>2. ismerje meg a bevonand\u00f3 anyag alapvet\u0151 tulajdons\u00e1gait - polarit\u00e1s (fel\u00fcleti fesz\u00fclts\u00e9g), krist\u00e1lyoss\u00e1g, h\u0151re l\u00e1gyul\u00f3 vagy h\u0151re kem\u00e9nyed\u0151 anyag;<\/p>\n<p><b>Az alapoz\u00f3 gyanta kiv\u00e1laszt\u00e1sa<\/b><\/p>\n<p>1. Tapad\u00e1si k\u00f6vetelm\u00e9nyek: Ez az alapoz\u00f3gyant\u00e1k \u00e1ltal\u00e1nos tulajdons\u00e1ga. Relat\u00edv \u00e9rtelemben a nehezebb tapad\u00e1s jelenleg a k\u00f6vetkez\u0151ket foglalja mag\u00e1ban<\/p>\n<p>A. \u00fcveg - v\u00e1lasszon metakril\u00e1t oligomereket \u00e9s nem filmk\u00e9pz\u0151 gyant\u00e1kat, valamint n\u00e9h\u00e1ny speci\u00e1lis pol\u00e1ris gyant\u00e1t - merkapto-szilox\u00e1n rendszereket (de a v\u00edz\u00e1ll\u00f3s\u00e1g jelenleg akad\u00e1lya a formul\u00e1z\u00e1snak);<\/p>\n<p>B. F\u00e9m: A f\u00e9mek fajt\u00e1inak megk\u00fcl\u00f6nb\u00f6ztet\u00e9se. A fest\u00e9kiparban a f\u00e9mhez val\u00f3 tapad\u00e1s jav\u00edt\u00e1s\u00e1nak alapvet\u0151 m\u00f3dszere a keresztk\u00f6t\u00e9sek megsemmis\u00edt\u00e9se. A nemzetk\u00f6zi szabv\u00e1ny a foszf\u00e1toz\u00e1s. A legelterjedtebb UV m\u00f3dszer a foszf\u00e1tok \u00e9s egyes akrilok kombin\u00e1l\u00e1sa.<\/p>\n<p>C. M\u0171anyagok (bele\u00e9rtve a l\u00e1gy\u00edtott pap\u00edrt \u00e9s m\u00e1s t\u00edpus\u00fa fest\u00e9kbevonatok), amely jelenleg egy viszonylag nagy \u00e9s k\u00fcl\u00f6n\u00f6sen \u00f6sszetett kateg\u00f3ria, f\u0151k\u00e9nt a m\u0171anyagok \u00f6sszetett szerkezete, a k\u00fcl\u00f6nb\u00f6z\u0151 krist\u00e1lyos form\u00e1k \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcleti fesz\u00fclts\u00e9gek miatt, ami viszonylag neh\u00e9zz\u00e9 teszi az olyan m\u0171anyagokkal val\u00f3 munk\u00e1t, mint a BMC, PET \u00e9s PP. Nincs olyan egys\u00e9ges k\u00e9plet, amely mindegyikre alkalmazhat\u00f3 lenne. \u00c1ltal\u00e1noss\u00e1gban elmondhat\u00f3, hogy a l\u00e1gy PUA, a tiszta akril \u00e9s n\u00e9h\u00e1ny nem filmk\u00e9pz\u0151 gyanta \u00e9s pol\u00e1ris gyanta kombin\u00e1ci\u00f3ja bizonyos hat\u00e1st \u00e9rhet el. A megfelel\u0151 gyant\u00e1k \u00f6sszep\u00e1ros\u00edt\u00e1sakor azonban figyelmet kell ford\u00edtani a k\u00e9miai \u00e9s v\u00edz\u00e1ll\u00f3s\u00e1gra.<\/p>\n<p>D. Olajos faterm\u00e9kek: Jelenleg f\u0151k\u00e9nt n\u00e9h\u00e1ny kem\u00e9ny szant\u00e1lfa, mint p\u00e9ld\u00e1ul a kronox, a v\u00f6r\u00f6s szant\u00e1lfa, a z\u00f6ld sz\u00e1r\u00fa eperfa \u00e9s az okapi fa stb. A faolaj tapad\u00e1sa viszonylag neh\u00e9z. A piacon kev\u00e9s esetben van tiszta UV, amely k\u00e9pes lez\u00e1rni az olajat. El\u0151sz\u00f6r PU-val t\u00f6m\u00edtheti le, majd UV tapad\u00e1s\u00fa alapoz\u00f3t alkalmazhat. A tapad\u00e1st els\u0151sorban n\u00e9h\u00e1ny pol\u00e1ris gyanta vagy monomer \u00e9s t\u00f6lt\u0151gyanta haszn\u00e1lat\u00e1val lehet el\u00e9rni.<\/p>\n<p>2. Nedves\u00edt\u00e9s: A pigment \u00e9s a t\u00f6lt\u0151anyag nedves\u00edt\u00e9se \u00e9s a hordoz\u00f3 nedves\u00edt\u00e9se k\u00e9t k\u00fcl\u00f6nb\u00f6z\u0151 funkci\u00f3, mivel nem garant\u00e1lhat\u00f3, hogy a hordoz\u00f3 fel\u00fcleti fesz\u00fclts\u00e9ge pontosan megegyezik a pigment \u00e9s a t\u00f6lt\u0151anyag fel\u00fcleti fesz\u00fclts\u00e9g\u00e9vel.<\/p>\n<p>A. A pigment \u00e9s a t\u00f6lt\u0151anyag nedves\u00edt\u00e9se biztos\u00edthatja a fest\u00e9k t\u00e1rol\u00e1si stabilit\u00e1s\u00e1t \u00e9s a filmkompatibilit\u00e1s \u00e1tl\u00e1that\u00f3s\u00e1g\u00e1t, p\u00e9ld\u00e1ul egyes PUA-k, PEA-k \u00e9s epoxi sz\u00f3jaolaj-akril\u00e1tok rendelkeznek ezzel a hat\u00e1ssal;<\/p>\n<p>B. A szubsztr\u00e1t nedves\u00edt\u00e9se, mint p\u00e9ld\u00e1ul az amin\u00f3gyant\u00e1k \u00e9s a PEA, jobb hat\u00e1st fejt ki.<\/p>\n<p>3. Rugalmass\u00e1g: a csiszolhat\u00f3s\u00e1ggal \u00e9s a r\u00e9tegek k\u00f6z\u00f6tti tapad\u00e1ssal kapcsolatos.<\/p>\n<p>\u00c1ltal\u00e1ban standard EA-t \u00e9s n\u00e9mi PEA-t \u00e9s n\u00e9h\u00e1ny monomert haszn\u00e1lnak a rugalmass\u00e1g koordin\u00e1l\u00e1s\u00e1ra, ez\u00e1ltal a csiszolhat\u00f3s\u00e1g \u00e9s a r\u00e9tegek k\u00f6z\u00f6tti tapad\u00e1s be\u00e1ll\u00edt\u00e1s\u00e1ra.<\/p>\n<p>Jelenleg a piacon vannak olyan kem\u00e9ny\u00edt\u0151 alapoz\u00f3k is, amelyek a kem\u00e9nys\u00e9get hangs\u00falyozz\u00e1k - figyeljen a kem\u00e9ny gyanta kikem\u00e9nyed\u00e9s\u00e9re \u00e9s az alkalmazott bevonat mennyis\u00e9g\u00e9re, k\u00fcl\u00f6nben a fest\u00e9kfilm val\u00f3sz\u00edn\u0171leg felszakad;<\/p>\n<p>A piac \u00fagynevezett rugalmas alapoz\u00f3kat is ig\u00e9nyel - haszn\u00e1ljon rugalmasabb gyant\u00e1kat, lehet\u0151leg poli\u00e9szter alap\u00fa PUA-kat. A poli\u00e9ter alap\u00fa gyant\u00e1k nem t\u00fal rugalmasak \u00e9s nem rendelkeznek elegend\u0151 mechanikai modulussal.<\/p>\n<p><b>A fed\u0151gyant\u00e1k kiv\u00e1laszt\u00e1sa<\/b><\/p>\n<p>1. telts\u00e9g \u00e9s kiegyenl\u00edt\u00e9s<\/p>\n<p>Ennek el\u00e9r\u00e9s\u00e9hez j\u00f3 kompatibilit\u00e1s\u00fa gyant\u00e1t \u00e9s monomert kell v\u00e1lasztani, jav\u00edtani kell a nedvesed\u00e9st \u00e9s a kiegyenl\u00edt\u00e9st az alapoz\u00f3val, megfelel\u0151en n\u00f6velni kell a t\u00e9rh\u00e1l\u00f3sod\u00e1s m\u00e9rt\u00e9k\u00e9t, \u00e9s magasabb t\u00f6r\u00e9smutat\u00f3j\u00fa gyant\u00e1t kell haszn\u00e1lni.<\/p>\n<p>\u00c1ltal\u00e1ban nagy funkci\u00f3s PUA-kat \u00e9s amin\u00f3gyant\u00e1kat haszn\u00e1lnak, a f\u0151 gyantak\u00e9nt pedig a standard EA-t.<\/p>\n<p>2. Sz\u00edv\u00f3ss\u00e1g (kem\u00e9nys\u00e9g \u00e9s kop\u00e1s\u00e1ll\u00f3s\u00e1g):<\/p>\n<p>Ez a k\u00e9t filmtulajdons\u00e1g szorosan \u00f6sszef\u00fcgg, de nem felt\u00e9tlen\u00fcl azonos.<\/p>\n<p>Kem\u00e9nys\u00e9g: A hagyom\u00e1nyos, 80-120 Unm vastags\u00e1g\u00fa fafilmt\u0151l \u00e9s n\u00e9h\u00e1ny vastag sz\u00f3r\u00e1sos bevonatt\u00f3l eltekintve a kem\u00e9nys\u00e9g nagy r\u00e9sze ebben az esetben nem mag\u00e1b\u00f3l a filmb\u0151l, hanem m\u00e1s forr\u00e1sokb\u00f3l sz\u00e1rmazik. Ennek a l\u00e1tsz\u00f3lagos kem\u00e9nys\u00e9gnek egy r\u00e9sz\u00e9re kell\u0151 figyelmet kell ford\u00edtani, mint p\u00e9ld\u00e1ul az aljzat, az alapoz\u00f3, a fel\u00fcleti tapint\u00e1s stb. Tipikus p\u00e9lda erre a hengeres fel\u00fcletkezel\u00e9s \u00e9s a v\u00e9kony sz\u00f3r\u00e1s, amely jav\u00edthat\u00f3 a fent eml\u00edtett magas rang\u00fa gyant\u00e1k mellett n\u00e9h\u00e1ny szilikongyanta vagy szilikon adal\u00e9kanyag alkalmaz\u00e1s\u00e1val.<\/p>\n<p>Kop\u00e1s\u00e1ll\u00f3s\u00e1g: \u00c1ltal\u00e1ban a PUA jobb, mint m\u00e1s gyant\u00e1k. A hidrog\u00e9nk\u00f6t\u00e9sek n\u00e9mi sz\u00edv\u00f3ss\u00e1got biztos\u00edtanak a kop\u00e1s\u00e1ll\u00f3s\u00e1g n\u00f6vel\u00e9se \u00e9rdek\u00e9ben. A v\u00e9kony bevonatok kop\u00e1s\u00e1ll\u00f3s\u00e1g\u00e1t azonban a gyant\u00e1k nem tudj\u00e1k megoldani.<\/p>\n<p>3. R\u00e9tegk\u00f6zi tapad\u00e1s<\/p>\n<p>Megoldja a nedves\u00edt\u00e9s, a kiegyenl\u00edt\u00e9s \u00e9s a gyanta polarit\u00e1s\u00e1nak illeszt\u00e9se, valamint a r\u00e9tegek k\u00f6z\u00f6tti tapad\u00e1s probl\u00e9m\u00e1it. Speci\u00e1lis esetekben egyes metakril\u00e1tgyant\u00e1k is kiv\u00e1laszthat\u00f3k.<\/p>\n<p>4. K\u00e9miai ellen\u00e1ll\u00e1s<\/p>\n<p>Az EA \u00e9s a PUA (poli\u00e9szter) j\u00f3 vegyszer\u00e1ll\u00f3s\u00e1ggal rendelkezik, m\u00edg a PE \u00e9s a poli\u00e9ter kev\u00e9sb\u00e9.<\/p>\n<p>5, s\u00e1rgul\u00e1si ellen\u00e1ll\u00e1s<\/p>\n<p>\u00c1ltal\u00e1noss\u00e1gban jelenleg \u00fagy v\u00e9lik, hogy az alif\u00e1s PUA, a tiszta poli\u00e9ter-akril\u00e1t, a tiszta akril \u00e9s az aminocsoportok mind nagyon j\u00f3 s\u00e1rgul\u00e1s\u00e1ll\u00f3s\u00e1ggal rendelkeznek. Az els\u0151 t\u00edpus a leggyakrabban haszn\u00e1lt, de a s\u00e1rgul\u00e1s\u00e1ll\u00f3s\u00e1ga nem a legjobb. Az ut\u00f3bbi k\u00e9t t\u00edpust ritk\u00e1bban haszn\u00e1lj\u00e1k, mert bizonyos tulajdons\u00e1gaik hi\u00e1nyoznak, de az aminocsoportnak van a legjobb \u00e1ltal\u00e1nos s\u00e1rgul\u00e1s\u00e1ll\u00f3s\u00e1ga.<\/p>\n<p>6. Matt t\u00edpus<\/p>\n<p>Jelenleg n\u00e9h\u00e1ny valamivel kisebb molekulat\u00f6meg\u0171 vagy ak\u00e1r hatalmas molekulat\u00f6meg\u0171 gyanta hat\u00e9kony, \u00e9s n\u00e9h\u00e1ny poliuret\u00e1n is nagyon hat\u00e9kony (jelenleg van a piacon egy j\u00f3 kem\u00e9nys\u00e9g\u0171, k\u00e9tfunkci\u00f3s poliuret\u00e1n, amely versenyk\u00e9pes).<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical sourcing and formulation view of UV monomers and oligomers<\/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\/tmpta-cas-15625-89-5\/\">CHLUMICRYL TMPTA<\/a>:<\/strong> Egy standard reakt\u00edv monomer benchmark, ha nagyobb keresztk\u00f6t\u00e9si s\u0171r\u0171s\u00e9g sz\u00fcks\u00e9ges.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/eo3-tmpta-cas-28961-43-5\/\">CHLUMICRYL EO3-TMPTA<\/a>:<\/strong> Hasznos, amikor a viszkozit\u00e1st \u00e9s a k\u00f6t\u00e9si viselked\u00e9st az alapcsomag k\u00f6r\u00fcl kell hangolni.<\/li>\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<\/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 role of oligomers in UV coatings Oligomer: Oligomers, also known as prepolymers, are used in light-curing coatings. In earlier years, they were translated as oligomers. Their salient features are:<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-8187","post","type-post","status-publish","format-standard","hentry","category-uv-light-curing-series"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UV coating formulation: How to efficiently select oligomers (resins) - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The role of oligomers in UV coatings Oligomer: Oligomers, also known as prepolymers, are used in light-curing coatings. 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