{"id":7864,"date":"2025-01-22T12:17:45","date_gmt":"2025-01-22T12:17:45","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7864"},"modified":"2025-01-16T12:55:35","modified_gmt":"2025-01-16T12:55:35","slug":"improvement-of-rheological-properties-and-printability-of-uv-offset-inks","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/improvement-of-rheological-properties-and-printability-of-uv-offset-inks\/","title":{"rendered":"Az UV ofszetfest\u00e9kek reol\u00f3giai tulajdons\u00e1gainak \u00e9s nyomtathat\u00f3s\u00e1g\u00e1nak jav\u00edt\u00e1sa"},"content":{"rendered":"

Az UV ofszetfest\u00e9kek reol\u00f3giai tulajdons\u00e1gainak \u00e9s nyomtathat\u00f3s\u00e1g\u00e1nak jav\u00edt\u00e1sa
\n(1) Pigment nedves\u00edthet\u0151s\u00e9g
\nAz UV ofszetfest\u00e9k linkere f\u0151k\u00e9nt nagy polarit\u00e1s\u00fa oligomerb\u0151l \u00e9s akt\u00edv h\u00edg\u00edt\u00f3b\u00f3l \u00e1ll, \u00e9s az UV ofszetfest\u00e9kben haszn\u00e1lt pigmentek t\u00f6bbs\u00e9ge alacsony polarit\u00e1s\u00fa szerves pigment. Ezeknek a nagy polarit\u00e1s\u00fa oligomer rendszereknek az alacsony polarit\u00e1s\u00fa szerves pigment r\u00e9szecsk\u00e9k fel\u00fclet\u00e9hez val\u00f3 affinit\u00e1sa gyenge, \u00e9s neh\u00e9z j\u00f3 pigment nedves\u00edthet\u0151s\u00e9get biztos\u00edtani. Ugyanakkor az UV ofszetfest\u00e9kben haszn\u00e1lt f\u0151 test akril\u00e1t oligomerje alacsony molekulat\u00f6meg\u0171, \u00e1ltal\u00e1ban 1000-2000 molekulat\u00f6meg\u0171 (m\u00edg a hagyom\u00e1nyos ofszetfest\u00e9kben haszn\u00e1lt gyanta-modifik\u00e1lt fenolgyanta molekulat\u00f6mege 20 000-50 000 molekulat\u00f6meg\u0171). R\u00f6viden, a hagyom\u00e1nyos ofszetfest\u00e9kekkel \u00f6sszehasonl\u00edtva az UV ofszetfest\u00e9kek gyanta- \u00e9s linkerrendszer\u00e9t alacsony molekulat\u00f6meg \u00e9s nagy polarit\u00e1s jellemzi, ami nem k\u00e9pes kiel\u00e9g\u00edt\u0151 pigment nedves\u00edthet\u0151s\u00e9get \u00e9s diszperzi\u00f3s stabilit\u00e1st biztos\u00edtani.<\/p>\n

Az UV ofszetfest\u00e9kek pigmentek nedves\u00edthet\u0151s\u00e9g\u00e9nek \u00e9s diszperzi\u00f3j\u00e1nak jav\u00edt\u00e1sa \u00e9s a gy\u00e1rt\u00e1si hat\u00e9konys\u00e1g n\u00f6vel\u00e9se \u00e9rdek\u00e9ben az els\u0151 l\u00e9p\u00e9s a megfelel\u0151 f\u0151test oligomer gyanta kiv\u00e1laszt\u00e1sa. A zs\u00edrsavval m\u00f3dos\u00edtott akril\u00e1t oligomer nagy molekulat\u00f6mege \u00e9s alacsony polarit\u00e1sa miatt j\u00f3 pigment-nedves\u00edthet\u0151s\u00e9ggel rendelkezik, ami k\u00fcl\u00f6n\u00f6sen alkalmas a magas pigmenttartalm\u00fa ofszetfest\u00e9k-rendszerekhez. Mivel azonban az akril funkci\u00f3s csoport egy r\u00e9sz\u00e9t zs\u00edrsavval helyettes\u00edtett\u00e9k, a zs\u00edrsavval m\u00f3dos\u00edtott akril\u00e1tnak rossz a reakci\u00f3k\u00e9pess\u00e9ge \u00e9s alacsony a Tg-je, ami befoly\u00e1solja a fest\u00e9k kem\u00e9nyed\u00e9si sebess\u00e9g\u00e9t \u00e9s a fest\u00e9kfilm fizikai tulajdons\u00e1gait, \u00e9s \u00e1ltal\u00e1ban alacsony viszkozit\u00e1s\u00fa, nagy funkcionalit\u00e1s\u00fa oligomerekkel egy\u00fctt kell haszn\u00e1lni. A megfelel\u0151 pigmentek kiv\u00e1laszt\u00e1sa szint\u00e9n az egyik kulcsfontoss\u00e1g\u00fa t\u00e9nyez\u0151 a fest\u00e9k diszperzi\u00f3s teljes\u00edtm\u00e9ny\u00e9nek jav\u00edt\u00e1sa \u00e9rdek\u00e9ben, de az UV tinta sz\u00e9nfekete mellett nagyon kev\u00e9s szerves pigment van, amelyet kifejezetten az UV ofszet fest\u00e9kekkel egy\u00fctt haszn\u00e1lnak, a szerves pigmentek v\u00e9gs\u0151 meghat\u00e1roz\u00e1sa csak nagysz\u00e1m\u00fa k\u00eds\u00e9rlet elv\u00e9gz\u00e9s\u00e9re t\u00e1maszkodhat. Van azonban egy elv az UV rendszerhez val\u00f3 pigment kiv\u00e1laszt\u00e1s\u00e1ra, azaz az UV ofszetfest\u00e9khez alkalmazhat\u00f3 pigmentnek bizonyos polarit\u00e1ssal kell rendelkeznie.<\/p>\n

(2) V\u00edz-tinta egyens\u00falyi teljes\u00edtm\u00e9ny
\nA t\u00e9nyleges nyomtat\u00e1si folyamat sor\u00e1n az UV ofszetfest\u00e9k kev\u00e9ss\u00e9 toler\u00e1lja a sz\u00f6k\u0151k\u00fatoldatban l\u00e9v\u0151 v\u00edz mennyis\u00e9g\u00e9t, \u00e9s a v\u00edz-fest\u00e9k egyens\u00falyt neh\u00e9z szab\u00e1lyozni, ez\u00e9rt neh\u00e9z el\u00e9rni a hagyom\u00e1nyos ofszetfest\u00e9k nyomtathat\u00f3s\u00e1g\u00e1t. Az UV ofszetfest\u00e9k gyenge v\u00edz-tinta egyens\u00faly\u00e1nak okai f\u0151k\u00e9nt a k\u00f6vetkez\u0151 k\u00e9t szempontban keresend\u0151k: az els\u0151, hogy az UV ofszetfest\u00e9kben haszn\u00e1lt akril\u00e1t oligomer \u00e9s akt\u00edv h\u00edg\u00edt\u00f3szer \u00e1ltal\u00e1ban nagy polarit\u00e1s\u00fa csoportokkal rendelkezik, mint p\u00e9ld\u00e1ul hidroxil-, karboxil- \u00e9s aminocsoportokkal, amelyek er\u0151s affinit\u00e1ssal rendelkeznek a sz\u00f6k\u0151k\u00fatoldathoz, \u00e9s az emulge\u00e1l\u00f3d\u00e1s lehet\u0151s\u00e9ge nagyobb, mint a kis polarit\u00e1s\u00fa olajalap\u00fa k\u00f6t\u0151anyag\u00e9. M\u00e1sodszor, az UV ofszetfest\u00e9k nyomathordoz\u00f3ja f\u0151k\u00e9nt nem nedvsz\u00edv\u00f3 anyagokon alapul, mint p\u00e9ld\u00e1ul szintetikus pap\u00edr, arany- \u00e9s ez\u00fcstkarton \u00e9s m\u0171anyag, amelyeket a sz\u00f6k\u0151k\u00fatoldat rosszul sz\u00edv fel, ami t\u00f6bb v\u00e1ltoz\u00f3 t\u00e9nyez\u0151t ad a fest\u00e9k-v\u00edz egyens\u00falyhoz a nyomtat\u00e1s sor\u00e1n. A tapasztalatok azt mutatj\u00e1k, hogy a magas marad\u00e9k hidroxil\u00e9rt\u00e9k \u00e9s a reakt\u00edv oligomer polarit\u00e1s\u00e1nak (bele\u00e9rtve a gyant\u00e1k, akt\u00edv h\u00edg\u00edt\u00f3k, adal\u00e9kanyagok be\u00e1ll\u00edt\u00e1s\u00e1t), nagyon \u00f3vatosnak kell lennie.<\/p>\n

Az UV ofszetfest\u00e9kek fest\u00e9k-v\u00edz egyens\u00faly\u00e1nak jav\u00edt\u00e1s\u00e1ban a kulcsszerepet az alapoligomer kiv\u00e1laszt\u00e1sa jelenti. Mivel az epoxi akril\u00e1t \u00e9s a poliuret\u00e1n akril\u00e1t prepolimer molekulal\u00e1nc tartalmaz hidroxil, amino \u00e9s egy\u00e9b funkcion\u00e1lis csoportok, van egy er\u0151s hidrofil, \u00e9s a vesztes\u00e9g a fest\u00e9k ellen\u00e1ll\u00e1s, \u00edgy a szempontb\u00f3l a jav\u00edt\u00e1s a fest\u00e9k fest\u00e9k egyens\u00falya teljes\u00edtm\u00e9ny, poli\u00e9szter akril\u00e1t van egy jobb ellen\u00e1ll\u00e1s a v\u00edzzel szemben, lesz a legjobb v\u00e1laszt\u00e1s. Jelenleg a tintateljes\u00edtm\u00e9ny szempontj\u00e1b\u00f3l a legt\u00f6bb UV ofszet fest\u00e9krendszer poli\u00e9szter-akril\u00e1tja a f\u0151 gyanta, a tinta-tinta egyens\u00falyi teljes\u00edtm\u00e9ny\u00e9nek jav\u00edt\u00e1sa szint\u00e9n az egyik f\u0151 kiv\u00e1laszt\u00e1si alap. De a poli\u00e9szter-akril\u00e1t oligomer kem\u00e9nys\u00e9ge, s\u00farl\u00f3d\u00e1s\u00e1ll\u00f3s\u00e1ga \u00e9s old\u00f3szer\u00e1ll\u00f3s\u00e1ga m\u00e9g tov\u00e1bb jav\u00edtand\u00f3. Ezen t\u00falmen\u0151en, a tinta rendszer viszkozit\u00e1s\u00e1nak hasonl\u00f3an tart\u00e1sa mellett, a nagyobb molekulat\u00f6meg\u0171 akril\u00e1t oligomer haszn\u00e1lata jav\u00edthatja a tinta emulzi\u00f3ellenes teljes\u00edtm\u00e9ny\u00e9t, de ez az eset akkor \u00e1ll fenn, ha a nagy molekulat\u00f6meg\u0171 gyanta a tinta k\u00e9plet\u00e9ben el\u00e9r egy bizonyos ar\u00e1nyt, lehet, hogy a nagy molekulat\u00f6meg\u0171 gyanta egym\u00e1s \u00f6sszefon\u00f3d\u00e1sa r\u00e9v\u00e9n nagyobb fizikai h\u00e1l\u00f3szerkezetet k\u00e9pezhet, amely hat\u00e9konyan akad\u00e1lyozza a v\u00edzmolekul\u00e1k behatol\u00e1s\u00e1t a tinta rendszerbe, ez\u00e1ltal jav\u00edtva a tinta emulzi\u00f3s teljes\u00edtm\u00e9ny\u00e9t. Hat\u00e9konyan akad\u00e1lyozza a v\u00edzmolekul\u00e1k behatol\u00e1s\u00e1t a tintarendszer belsej\u00e9be, ez\u00e1ltal jav\u00edtva a tinta emulge\u00e1l\u00e1si teljes\u00edtm\u00e9ny\u00e9t. Az akril\u00e1t oligomerek polimer kvant\u00e1l\u00f3d\u00e1sa azonban a funkcionalit\u00e1s cs\u00f6kken\u00e9se \u00e9s a kem\u00e9nyed\u00e9si sebess\u00e9g elveszt\u00e9se \u00e1r\u00e1n t\u00f6rt\u00e9nik, ami \u00e1tfog\u00f3 megfontol\u00e1st ig\u00e9nyel a tintaformul\u00e1ci\u00f3k tervez\u00e9sekor, hogy kompenz\u00e1lja a tinta v\u00edz-tinta egyens\u00falyi tulajdons\u00e1gainak jav\u00edt\u00e1sa \u00e9rdek\u00e9ben roml\u00f3 egy\u00e9b tulajdons\u00e1gok elveszt\u00e9s\u00e9t.<\/p>\n

Az epoxiakril\u00e1t oligomerek a f\u0151 t\u00e9nyez\u0151, amely befoly\u00e1solja a tint\u00e1k emulge\u00e1l\u00f3d\u00e1si sebess\u00e9g\u00e9t. Ez\u00e9rt a kikem\u00e9nyed\u00e9si sebess\u00e9g \u00e9s a fest\u00e9k viszkozit\u00e1s\u00e1nak biztos\u00edt\u00e1sa mellett szab\u00e1lyozni kell az epoxi akril\u00e1t oligomerek mennyis\u00e9g\u00e9t, hogy az UV ofszet fest\u00e9k er\u0151s v\u00edzleperget\u0151 k\u00e9pess\u00e9ggel rendelkezzen, hogy a t\u00e9nyleges nyomtat\u00e1si termel\u00e9sben j\u00f3 nyomtat\u00e1si alkalmass\u00e1got biztos\u00edtson.<\/p>\n

(3) Cs\u00f6kkentse a rep\u00fcl\u0151 tinta jelens\u00e9get
\nA hagyom\u00e1nyos ofszetfest\u00e9kkel \u00f6sszehasonl\u00edtva az UV ofszetfest\u00e9k reol\u00f3giai tulajdons\u00e1gaiban jelent\u0151s k\u00fcl\u00f6nbs\u00e9gek vannak. El\u0151sz\u00f6r is, az akril\u00e1t oligomer pigment nedves\u00edthet\u0151s\u00e9ge gyenge, \u00edgy az UV ofszet fest\u00e9k alacsony ny\u00edr\u00e1si sebess\u00e9gn\u00e9l er\u0151sebb szerkezetet mutat, \u00e9s a fest\u00e9k a nyomdag\u00e9p fest\u00e9ktart\u00e1ly\u00e1ban a k\u00e1ros hat\u00e1sok \u00e1raml\u00e1s\u00e1ban. M\u00e1sodszor, az akril\u00e1t oligomerek speci\u00e1lis reol\u00f3giai tulajdons\u00e1gokkal \u00e9s alacsony molekulat\u00f6meggel rendelkeznek, ami az UV-eltol\u00e1sos fest\u00e9kek gyenge koh\u00e9zi\u00f3j\u00e1t eredm\u00e9nyezi, amelyek \u00e9rz\u00e9kenyek a h\u0151m\u00e9rs\u00e9klet-v\u00e1ltoz\u00e1sokra, \u00e9s magas viszkozit\u00e1st, alacsony viszkozit\u00e1st \u00e9s hossz\u00fa sz\u00e1lfejet mutatnak. Nagy sebess\u00e9g\u0171 nyomtat\u00e1si k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a fest\u00e9krendszer viszkoelaszticit\u00e1s\u00e1nak hi\u00e1nya miatt hajlamos a rep\u00fcl\u0151 fest\u00e9k jelens\u00e9ge. Ha a k\u00f6nnyen diszperg\u00e1lhat\u00f3 vagy nagy mobilit\u00e1s\u00fa pigmenteket v\u00e1lasztj\u00e1k a tinta foly\u00e9konys\u00e1ga \u00e9s k\u00f6nny\u0171 diszperg\u00e1lhat\u00f3s\u00e1ga \u00e9rdek\u00e9ben, az ilyen probl\u00e9m\u00e1k jobban el\u0151t\u00e9rbe ker\u00fclnek.<\/p>\n

Jelenleg a legt\u00f6bb m\u00f3dszer nem reakt\u00edv adal\u00e9kanyagok hozz\u00e1ad\u00e1s\u00e1val jav\u00edtja a rendszer reol\u00f3giai tulajdons\u00e1gait, hogy jav\u00edtsa az UV ofszet fest\u00e9k rep\u00fcl\u00e9sg\u00e1tl\u00f3 teljes\u00edtm\u00e9ny\u00e9t. \u00c1ltal\u00e1ban a tinta k\u00e9plet\u00e9ben a g\u00e1zf\u00e1zis\u00fa SiO2, talkum, szerves bentonit \u00e9s szilikongyant\u00e1k hozz\u00e1ad\u00e1s\u00e1hoz bizonyos s\u0171r\u00edt\u0151 hat\u00e1s\u00fa, jav\u00edthatja a t\u00f6lt\u0151anyag tixotr\u00f3pi\u00e1j\u00e1t, n\u00f6velve a rendszer koh\u00e9zi\u00f3j\u00e1t \u00e9s viszkoelaszticit\u00e1s\u00e1t a rep\u00fcl\u0151 tinta megakad\u00e1lyoz\u00e1sa \u00e9rdek\u00e9ben. Ezeknek az adal\u00e9kanyagoknak a hat\u00e1sa azonban nagyon korl\u00e1tozott, nem tudja alapvet\u0151en megoldani a probl\u00e9m\u00e1t, \u00e9s kedvez\u0151tlen hat\u00e1ssal lehet a tinta f\u00e9nyess\u00e9g\u00e9re, tapad\u00e1s\u00e1ra \u00e9s egy\u00e9b tulajdons\u00e1gaira.<\/p>\n

Maga az oligomer gyanta reol\u00f3giai tulajdons\u00e1gainak jav\u00edt\u00e1sa a leghat\u00e9konyabb m\u00f3dja az UV ofszetfest\u00e9kek reol\u00f3giai probl\u00e9m\u00e1inak megold\u00e1s\u00e1ra. Elm\u00e9leti szempontb\u00f3l az 100% reakt\u00edv oligomer gyant\u00e1k reol\u00f3giai szab\u00e1lyoz\u00e1ssal t\u00f6rt\u00e9n\u0151 bevezet\u00e9se a fest\u00e9kk\u00e9sz\u00edtm\u00e9nyekbe nem csak a fest\u00e9k nyomtathat\u00f3s\u00e1g\u00e1t jav\u00edtja, hanem a fest\u00e9k v\u00e9gs\u0151 kikem\u00e9nyed\u00e9si filmtulajdons\u00e1gait is jav\u00edtja.<\/p>\n

L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h2>\n

Ha sz\u00fcks\u00e9ge van Price-ra, k\u00e9rj\u00fck, t\u00f6ltse ki el\u00e9rhet\u0151s\u00e9g\u00e9t az al\u00e1bbi \u0171rlapon, \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot. \u00d6n is k\u00fcldhet nekem e-mailt info@longchangchemical.com<\/span><\/a>\u00a0munkaid\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>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Fotoinici\u00e1tor TPO<\/span><\/a><\/td>\nCAS 75980-60-8<\/td>\n<\/tr>\n
Fotoinici\u00e1tor TMO<\/span><\/a><\/td>\nCAS 270586-78-2<\/td>\n<\/tr>\n
PD-01 fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 579-07-7<\/td>\n<\/tr>\n
Fotoinici\u00e1tor PBZ<\/span><\/a><\/td>\nCAS 2128-93-0<\/td>\n<\/tr>\n
OXE-02 fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 478556-66-0<\/td>\n<\/tr>\n
Fotoinici\u00e1tor OMBB<\/span><\/a><\/td>\nCAS 606-28-0<\/td>\n<\/tr>\n
Fotoinici\u00e1tor MPBZ (6012)<\/span><\/a><\/td>\nCAS 86428-83-3<\/td>\n<\/tr>\n
Fotoinici\u00e1tor MBP<\/span><\/a><\/td>\nCAS 134-84-9<\/td>\n<\/tr>\n
Fotoinici\u00e1tor MBF<\/span><\/a><\/td>\nCAS 15206-55-0<\/td>\n<\/tr>\n
Fotoinici\u00e1tor LAP<\/span><\/a><\/td>\nCAS 85073-19-4<\/td>\n<\/tr>\n
Fotoinici\u00e1tor ITX<\/span><\/a><\/td>\nCAS 5495-84-1<\/td>\n<\/tr>\n
EMK fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 90-93-7<\/td>\n<\/tr>\n
Fotoinici\u00e1tor EHA<\/span><\/a><\/td>\nCAS 21245-02-3<\/td>\n<\/tr>\n
Fotoinici\u00e1tor EDB<\/span><\/a><\/td>\nCAS 10287-53-3<\/td>\n<\/tr>\n
DETX fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 82799-44-8<\/td>\n<\/tr>\n
Fotoinici\u00e1tor CQ \/ k\u00e1mforkinon<\/span><\/a><\/td>\nCAS 10373-78-1<\/td>\n<\/tr>\n
Fotoinici\u00e1tor CBP<\/span><\/a><\/td>\nCAS 134-85-0<\/td>\n<\/tr>\n
BP \/ benzofenon fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 119-61-9<\/td>\n<\/tr>\n
Fotoinici\u00e1tor BMS<\/span><\/a><\/td>\nCAS 83846-85-9<\/td>\n<\/tr>\n
F\u00e9nykezdem\u00e9nyez\u0151 938<\/span><\/a><\/td>\nCAS 61358-25-6<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 937<\/span><\/a><\/td>\nCAS 71786-70-4<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 819 DW<\/span><\/a><\/td>\nCAS 162881-26-7<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 819<\/span><\/a><\/td>\nCAS 162881-26-7<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 784<\/span><\/a><\/td>\nCAS 125051-32-3<\/td>\n<\/tr>\n
754 fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 6993<\/span><\/a><\/td>\nCAS 71449-78-0<\/td>\n<\/tr>\n
6976 fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 379<\/span><\/a><\/td>\nCAS 119344-86-4<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 369<\/span><\/a><\/td>\nCAS 119313-12-1<\/td>\n<\/tr>\n
Fotoinici\u00e1tor 160<\/a><\/span><\/td>\nCAS 71868-15-0<\/td>\n<\/tr>\n
F\u00e9nyind\u00edt\u00f3 1206<\/span><\/a><\/td>\n<\/td>\n<\/tr>\n
1173 fotoinici\u00e1tor<\/span><\/a><\/td>\nCAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Az UV ofszetfest\u00e9kek reol\u00f3giai tulajdons\u00e1gainak \u00e9s nyomtathat\u00f3s\u00e1g\u00e1nak jav\u00edt\u00e1sa (1) A pigmentek nedves\u00edthet\u0151s\u00e9ge Az UV ofszetfest\u00e9k linkere f\u0151k\u00e9nt nagy polarit\u00e1s\u00fa oligomerb\u0151l \u00e9s akt\u00edv h\u00edg\u00edt\u00f3b\u00f3l \u00e1ll, \u00e9s az UV ofszetfest\u00e9kben haszn\u00e1lt pigmentek t\u00f6bbs\u00e9ge alacsony polarit\u00e1s\u00fa szerves pigment. Ezeknek a nagy polarit\u00e1s\u00fa oligomer rendszereknek az affinit\u00e1sa a [...]<\/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-7864","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"\nImprovement of rheological properties and printability of UV offset inks - Longchang Chemical<\/title>\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\/improvement-of-rheological-properties-and-printability-of-uv-offset-inks\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Improvement of rheological properties and printability of UV offset inks - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Improvement of rheological properties and printability of UV offset inks (1) Pigment Wettability The linker of UV Offset Ink is mainly composed of high polarity oligomer and active diluent, and most of the pigments used in UV Offset Ink are organic pigments with low polarity. 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