{"id":5342,"date":"2022-07-01T12:12:25","date_gmt":"2022-07-01T12:12:25","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5342"},"modified":"2026-04-28T10:42:02","modified_gmt":"2026-04-28T10:42:02","slug":"how-to-reduce-the-shrinkage-of-uv-glue","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/how-to-reduce-the-shrinkage-of-uv-glue\/","title":{"rendered":"Hogyan cs\u00f6kkenthet\u0151 az UV-ragaszt\u00f3 zsugorod\u00e1sa? Melyek a m\u00f3dszerek?"},"content":{"rendered":"<h1><strong>Hogyan cs\u00f6kkenthet\u0151 az UV-ragaszt\u00f3 zsugorod\u00e1sa? Melyek a m\u00f3dszerek?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Gyors v\u00e1lasz:<\/strong> A legt\u00f6bb UV-rendszerben a fotoinici\u00e1torok kiv\u00e1laszt\u00e1sa a hull\u00e1mhossz-kompatibilit\u00e1s, a teljes \u00e1tgy\u00f3gyul\u00e1s, a sz\u00ednszab\u00e1lyoz\u00e1s \u00e9s a gy\u00e1rt\u00f3sor sebess\u00e9g\u00e9nek egyens\u00falyba hoz\u00e1s\u00e1val t\u00f6rt\u00e9nik. A v\u00e1s\u00e1rl\u00f3k \u00e1ltal\u00e1ban nem egy-egy k\u00fcl\u00f6n\u00e1ll\u00f3 term\u00e9ket, hanem egy \u00f6sszetett csomagot hasonl\u00edtanak \u00f6ssze.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Az UV-ragaszt\u00f3 sz\u00e1rad\u00e1si folyamata sor\u00e1n zsel\u00e9sed\u00e9si folyamat j\u00e1tsz\u00f3dik le. A zsel\u00e9sed\u00e9s el\u0151tt a rendszer a zsugorod\u00e1s ellen\u00e9re m\u00e9g foly\u00e9kony, m\u00edg a zsel\u00e9sed\u00e9s ut\u00e1n a molekul\u00e1ris mozg\u00e1s akad\u00e1lyozva van, \u00e9s a tov\u00e1bbi kem\u00e9nyed\u00e9si reakci\u00f3k a zsugorod\u00e1si fesz\u00fclts\u00e9g f\u0151 okoz\u00f3i. Ez\u00e9rt a zsugorod\u00e1si fesz\u00fclts\u00e9g nem ar\u00e1nyos a teljes kikem\u00e9nyed\u00e9si folyamat t\u00e9rfogati zsugorod\u00e1s\u00e1val. Ink\u00e1bb a zsel\u00e9sed\u00e9s ut\u00e1ni t\u00e9rfogati zsugorod\u00e1st\u00f3l f\u00fcgg. Min\u00e9l nagyobb a reakci\u00f3alanyok funkcionalit\u00e1sa, ann\u00e1l kisebb a funkci\u00f3s csoportok reakci\u00f3j\u00e1nak m\u00e9rt\u00e9ke a g\u00e9lesed\u00e9skor. Ez\u00e9rt egy magas funkcionalit\u00e1s\u00fa reakci\u00f3rendszer nagyobb zsugorod\u00e1si fesz\u00fclts\u00e9get eredm\u00e9nyez a kem\u00e9nyed\u00e9s ut\u00e1n.<\/p>\n<p>Az UV-ragaszt\u00f3 zsugorod\u00e1s\u00e1nak cs\u00f6kkent\u00e9s\u00e9nek m\u00f3djai<\/p>\n<p>1. UV-ragaszt\u00f3 k\u00e9sz\u00edt\u00e9se alacsony zsugorod\u00e1s\u00fa monomerek \u00e9s oligomerek felhaszn\u00e1l\u00e1s\u00e1val<\/p>\n<p>Az UV-ragaszt\u00f3 \u00f6sszet\u00e9tel\u00e9ben az alacsony viszkozit\u00e1s\u00fa akril\u00e1t-oligomer \u00e9s a kevesebb h\u00edg\u00edt\u00f3 monomer haszn\u00e1lata szint\u00e9n hat\u00e9kony m\u00f3dszer a zsugorod\u00e1si ar\u00e1ny cs\u00f6kkent\u00e9s\u00e9re. A k\u00e9sz\u00edtm\u00e9nyfejleszt\u0151k gyakran hasonl\u00edtj\u00e1k \u00f6ssze <a href=\"https:\/\/longchangchemical.com\/hu\/product\/iboa-monomer-cas-5888-33-5\/\">IBOA monomer<\/a> a stressz cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben <a href=\"https:\/\/longchangchemical.com\/hu\/product\/tmpta-cas-15625-89-5\/\">TMPTA monomer<\/a> a nagyobb reaktivit\u00e1s \u00e9s a nagyobb t\u00e9rh\u00e1l\u00f3s\u00edt\u00e1si s\u0171r\u0171s\u00e9g el\u00e9r\u00e9se \u00e9rdek\u00e9ben.<\/p>\n<p>2. UV-ragaszt\u00f3val hozz\u00e1adott polimer vagy szervetlen t\u00f6lt\u0151anyag<\/p>\n<p>A polimerek hozz\u00e1ad\u00e1s\u00e1nak m\u00f3dszer\u00e9ben az \u00fajonnan l\u00e9trehozott rendszer \u00e9s az el\u0151zetesen hozz\u00e1adott polimerek k\u00f6z\u00f6tt a f\u00e1zissz\u00e9tv\u00e1l\u00e1s n\u00e9ha el\u0151fordul a kikem\u00e9nyed\u00e9si folyamat sor\u00e1n, a t\u00e9rfogat zsugorod\u00e1s\u00e1nak egy r\u00e9sz\u00e9t is ellens\u00falyozhatja. Ennek a f\u00e1zissz\u00e9tv\u00e1l\u00e1snak azonban az a h\u00e1tr\u00e1nya, hogy cs\u00f6kkenti a kikem\u00e9ny\u00edtett term\u00e9k \u00e1tl\u00e1tsz\u00f3s\u00e1g\u00e1t. Arr\u00f3l sz\u00e1moltak be, hogy a szabadgy\u00f6k\u00f6s polimeriz\u00e1ci\u00f3s rendszerhez polivinil-acet\u00e1t, polivinil-acet\u00e1l, poli\u00e9szter \u00e9s m\u00e1s h\u0151re l\u00e1gyul\u00f3 polimerek hozz\u00e1ad\u00e1sa a t\u00e9rfogat zsugorod\u00e1s\u00e1nak jelent\u0151s cs\u00f6kken\u00e9s\u00e9t eredm\u00e9nyezheti.<\/p>\n<p>3. A kationos vagy hibrid gy\u00f3gy\u00edt\u00e1si m\u00f3dszer alkalmaz\u00e1sa<\/p>\n<p>A kationos UV-ragaszt\u00f3 epoxigyanta \u00e9s vinil-\u00e9ter monomereket haszn\u00e1l, fotoinici\u00e1tork\u00e9nt jum-s\u00f3kat. Az epoxigyanta kationos kem\u00e9nyed\u00e9si reakci\u00f3j\u00e1nak zsugorod\u00e1si sebess\u00e9ge sokkal alacsonyabb, mint a szabad gy\u00f6k\u00f6s reakci\u00f3\u00e9, \u00edgy a kem\u00e9nyed\u00e9si zsugorod\u00e1si sebess\u00e9g cs\u00f6kkenthet\u0151 a kationos formula haszn\u00e1lat\u00e1val.<\/p>\n<p>A hibrid UV-ragaszt\u00f3 szabadgy\u00f6k\u00f6s \u00e9s kationos t\u00edpus\u00fa vegyes rendszer, \u00e1ltal\u00e1ban kevert akril\u00e1t \u00e9s epoxi vegy\u00fcletek form\u00e1j\u00e1ban. Ez a hibrid UV-kem\u00e9ny\u00edt\u0151 rendszer jav\u00edthatja a fotoinici\u00e1lt ind\u00edt\u00e1s hat\u00e9konys\u00e1g\u00e1t, teljes m\u00e9rt\u00e9kben kihaszn\u00e1lhatja mindk\u00e9t rendszer el\u0151nyeit, cs\u00f6kkentheti a t\u00e9rfogat zsugorod\u00e1s\u00e1t, \u00e9s j\u00f3 szinergikus hat\u00e1ssal rendelkezik m\u00e1s tulajdons\u00e1gok tekintet\u00e9ben.<\/p>\n<p>Ezen t\u00falmen\u0151en, a folyamat k\u00f6vetelm\u00e9nyeinek megfelel\u0151en, UV \u00e9s m\u00e1s gy\u00f3gy\u00edt\u00f3 m\u00f3dszerek is haszn\u00e1lhat\u00f3k a vegy\u00fclethez, mint p\u00e9ld\u00e1ul az UV \u00e9s a h\u0151kezel\u00e9s vagy az anaerob gy\u00f3gy\u00edt\u00f3 vegy\u00fclet m\u00f3dszer, szint\u00e9n cs\u00f6kkentheti a gy\u00f3gy\u00edt\u00f3 zsugorod\u00e1st.<\/p>\n<p>4. Duzzaszt\u00f3 monomer hozz\u00e1ad\u00e1sa<\/p>\n<p>Az epoxigyanta kationos polimeriz\u00e1ci\u00f3s reakci\u00f3b\u00f3l m\u00e1r tudjuk, hogy a nyitott gy\u0171r\u0171s polimeriz\u00e1ci\u00f3s reakci\u00f3, mint a polimeriz\u00e1ci\u00f3s reakci\u00f3 t\u00e9rfogat zsugorod\u00e1si sebess\u00e9ge kisebb. Monociklusos monomerek eset\u00e9n minden van der Waals-t\u00e1vols\u00e1gra, amely kovalens k\u00f6t\u00e9st\u00e1vols\u00e1gg\u00e1 alakul, van egy van der Waals-t\u00e1vols\u00e1gg\u00e1 alak\u00edtott kovalens t\u00e1vols\u00e1g. Az ebb\u0151l ered\u0151 zsugorod\u00e1s \u00e9s duzzad\u00e1s r\u00e9szben kiegyenl\u00edthet\u0151. Tov\u00e1bbi vizsg\u00e1latok kimutatt\u00e1k, hogy a gy\u0171r\u0171nyit\u00f3 polimeriz\u00e1ci\u00f3s reakci\u00f3 t\u00e9rfogat\u00f6sszeh\u00faz\u00f3d\u00e1s\u00e1nak nagys\u00e1ga a gy\u0171r\u0171 m\u00e9ret\u00e9vel f\u00fcgg \u00f6ssze. A gy\u0171r\u0171 m\u00e9ret\u00e9nek n\u00f6veked\u00e9s\u00e9vel a kovalens k\u00f6t\u00e9seket nyit\u00f3 sz\u00e9n- \u00e9s oxig\u00e9natomok k\u00f6z\u00f6tti t\u00e1vols\u00e1g egyre k\u00f6zelebb ker\u00fcl a van der Waals-t\u00e1vols\u00e1ghoz, \u00edgy a t\u00e9rfogatkontrakci\u00f3 cs\u00f6kken. Jelenleg a spirogy\u0171r\u0171 t\u00edpus\u00fa monomer k\u00f6lts\u00e9ge nagyon magas, \u00edgy gyakorlati alkalmaz\u00e1sa m\u00e9g mindig nagyon kev\u00e9s, de \u00edg\u00e9retes m\u00f3dszer az UV-ragaszt\u00f3 zsugorod\u00e1s\u00e1nak kik\u00fcsz\u00f6b\u00f6l\u00e9s\u00e9re.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Hogyan \u00e9rt\u00e9kelik \u00e1ltal\u00e1ban a formul\u00e1torok ezt a fotoinici\u00e1tor t\u00e9m\u00e1t?<\/h2>\n<p>Amikor a m\u0171szaki v\u00e1s\u00e1rl\u00f3k vagy a formul\u00e1ci\u00f3k gy\u00e1rt\u00f3i fotoinici\u00e1torokat sz\u0171rnek, a leghasznosabb d\u00f6nt\u00e9si keret \u00e1ltal\u00e1ban a kikem\u00e9nyed\u00e9si min\u0151s\u00e9g \u00e9s az alkalmaz\u00e1shoz val\u00f3 illeszked\u00e9s: melyik csomagol\u00e1s k\u00f6t meg megb\u00edzhat\u00f3an, tartja meg az elfogadhat\u00f3 megjelen\u00e9st, \u00e9s m\u0171k\u00f6dik tov\u00e1bbra is a t\u00e9nyleges folyamat l\u00e1mp\u00e1j\u00e1nak, filmvastags\u00e1g\u00e1nak \u00e9s aljzat\u00e1nak k\u00f6r\u00fclm\u00e9nyei k\u00f6z\u00f6tt.<\/p>\n<ul>\n<li><strong>El\u0151sz\u00f6r illessze a csomagot a l\u00e1mp\u00e1hoz:<\/strong> A higanyl\u00e1mp\u00e1k, az UV LED-ek \u00e9s a l\u00e1that\u00f3 f\u00e9ny\u0171 rendszerek ugyanazokat a fotoinici\u00e1torokat nagyon elt\u00e9r\u0151en rangsorolhatj\u00e1k.<\/li>\n<li><strong>A m\u00e9lys\u00e9gi \u00e9s a fel\u00fcleti kikem\u00e9nyed\u00e9st k\u00fcl\u00f6n-k\u00fcl\u00f6n ellen\u0151rizni kell:<\/strong> Egy fel\u00fcl sz\u00e1raznak \u00e9rz\u0151d\u0151 filmr\u00e9teg alatta m\u00e9g gyenge lehet.<\/li>\n<li><strong>A s\u00e1rgul\u00e1s \u00e9s a reakci\u00f3k\u00e9pess\u00e9g egyens\u00falyban tart\u00e1sa:<\/strong> A leger\u0151sebb m\u00e9lykem\u00e9nyed\u00e9si m\u00f3dszer nem mindig a legjobb kereskedelmi v\u00e1laszt\u00e1s, ha az elsz\u00ednez\u0151d\u00e9s vagy a migr\u00e1ci\u00f3 kock\u00e1zata elfogadhatatlann\u00e1 v\u00e1lik.<\/li>\n<li><strong>Haszn\u00e1lja a v\u00e9gs\u0151 k\u00e9pletet viszony\u00edt\u00e1si alapk\u00e9nt:<\/strong> A pigmentterhel\u00e9s, a monomercsomag \u00e9s a filmvastags\u00e1g mind megv\u00e1ltoztathatja ugyanazon inici\u00e1tor l\u00e1tsz\u00f3lagos rangsor\u00e1t.<\/li>\n<\/ul>\n<h3>Aj\u00e1nlott term\u00e9kreferenci\u00e1k<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> Er\u0151s, alacsony s\u00e1rgul\u00e1si ar\u00e1ny\u00fa referencia LED-orient\u00e1lt UV rendszerekhez.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Hasznos, ha egy k\u00e9sz\u00edtm\u00e9nynek er\u0151sebb felsz\u00edv\u00f3d\u00e1st \u00e9s m\u00e9lyebb kikem\u00e9nyed\u00e9si t\u00e1mogat\u00e1st kell ny\u00fajtania.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/iboa-monomer-cas-5888-33-5\/\">CHLUMICRYL IBOA<\/a>:<\/strong> Er\u0151s, alacsony viszkozit\u00e1s\u00fa monomer referencia, ha egyar\u00e1nt fontos a kem\u00e9nys\u00e9g \u00e9s a j\u00f3 foly\u00e9konys\u00e1g.<\/li>\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<\/ul>\n<h3>GYIK v\u00e1s\u00e1rl\u00f3knak \u00e9s formul\u00e1l\u00f3knak<\/h3>\n<p><strong>Mi\u00e9rt olyan elterjedtek a kevert fotoinici\u00e1tor csomagok?<\/strong><br \/>Mivel az egyik term\u00e9k szab\u00e1lyozhatja a s\u00e1rgul\u00e1st vagy j\u00f3l illeszkedhet a l\u00e1mp\u00e1hoz, m\u00edg egy m\u00e1sik jav\u00edtja a kikem\u00e9nyed\u00e9si m\u00e9lys\u00e9get vagy a gy\u00e1rt\u00f3sor sebess\u00e9g\u00e9t, a teljes csomag gyakran er\u0151sebb, mint b\u00e1rmelyik \u00f6n\u00e1ll\u00f3 min\u0151s\u00e9g.<\/p>\n<p><strong>A hi\u00e1nyos gy\u00f3gyul\u00e1st mindig t\u00f6bb inici\u00e1tor hozz\u00e1ad\u00e1s\u00e1val kell megoldani?<\/strong><br \/>Nem automatikusan. Az igazi korl\u00e1tot a l\u00e1mpa, a film vastags\u00e1ga, a pigment\u00e1rnyalat vagy a reakt\u00edv rendszer t\u00f6bbi r\u00e9sze okozhatja, nem pedig az egyszer\u0171 aluladagol\u00e1s.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h2>\n<h4><strong><b>Ha <\/b><\/strong><strong><b>\u00c1rra vagy COA-ra, MSDS-re vagy TDS-re van sz\u00fcks\u00e9ge, k\u00e9rj\u00fck, forduljon hozz\u00e1nk. <\/b><\/strong><strong><b>t\u00f6ltse ki az al\u00e1bbi \u0171rlapot, \u00e9s jelezze, hogy \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot. \u00d6n is k\u00fcldhet nekem e-mailt <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> munkaid\u0151ben ( 8:30-18:00 UTC+8 H.-Szombat ) vagy haszn\u00e1lja a weboldal \u00e9l\u0151 chatj\u00e9t, hogy azonnali v\u00e1laszt kapjon.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Az UV-ragaszt\u00f3 kikem\u00e9nyed\u00e9si folyamat\u00e1ban g\u00e9lk\u00e9pz\u0151d\u00e9s is v\u00e9gbemegy. A g\u00e9lk\u00e9pz\u0151d\u00e9s el\u0151tt a rendszer a zsugorod\u00e1s ellen\u00e9re is foly\u00e9kony marad, m\u00edg a g\u00e9lk\u00e9pz\u0151d\u00e9s ut\u00e1n a molekul\u00e1k mozg\u00e1sa korl\u00e1tozott\u00e1 v\u00e1lik.<\/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-5342","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to reduce the shrinkage of UV glue? What are the methods? - Longchang chemical<\/title>\n<meta name=\"description\" content=\"In the curing process of UV adhesive there is a gelation process. 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