UV forraszt\u00e1s ellen\u00e1ll\u00f3 tinta
\nAz elektronikai term\u00e9kek \u00f6sszeszerel\u00e9si folyamatainak f\u00e9lautomatiz\u00e1l\u00e1s\u00e1val \u00e9s automatiz\u00e1l\u00e1s\u00e1val, valamint a fut\u00f3szalagos m\u0171veletek el\u0151mozd\u00edt\u00e1s\u00e1val az 1960-as \u00e9vekben a gy\u00e1rt\u00e1si hat\u00e9konys\u00e1g jav\u00edt\u00e1sa \u00e9s a k\u00f6lts\u00e9gek cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben hull\u00e1mforraszt\u00e1si vagy mer\u00fcl\u0151forraszt\u00e1si elj\u00e1r\u00e1sokat alkalmaztak az \u00e1ramk\u00f6ri lapok forraszt\u00e1s\u00e1ra. Annak \u00e9rdek\u00e9ben, hogy a felesleges forraszanyag ne tapadjon a nyomtatott \u00e1ramk\u00f6ri lapra, a lap fel\u00fclet\u00e9re \u00e1lland\u00f3 v\u00e9d\u0151f\u00f3li\u00e1t kell felvinni, hogy a lap ne tapadjon a forraszanyaghoz a permetforraszt\u00e1s, a m\u00e1rtott forraszt\u00e1s \u00e9s a hull\u00e1mforraszt\u00e1s k\u00e9s\u0151bbi m\u0171veletei sor\u00e1n. Ez hat\u00e9konyan megakad\u00e1lyozhatja a forraszt\u00f3anyag \u00e1thidal\u00e1sa \u00e1ltal okozott r\u00f6vidz\u00e1rlatokat, \u00e9s magas fok\u00fa automatiz\u00e1lts\u00e1got \u00e9rhet el a gy\u00e1rt\u00e1si folyamatban. Ezenk\u00edv\u00fcl ez a tart\u00f3s v\u00e9d\u0151f\u00f3lia nagym\u00e9rt\u00e9kben jav\u00edtja az \u00e1ramk\u00f6r\u00f6k \u00e9s a teljes lapfel\u00fclet k\u00f6z\u00f6tti elektromos szigetel\u00e9st, ez\u00e1ltal n\u00f6veli a nyomtatott \u00e1ramk\u00f6ri lap vezet\u00e9kez\u00e9si s\u0171r\u0171s\u00e9g\u00e9t \u00e9s m\u0171k\u00f6d\u00e9si stabilit\u00e1s\u00e1t. Megel\u0151z\u0151 hat\u00e1ssal b\u00edr az \u00e1ramk\u00f6r\u00f6k oxid\u00e1ci\u00f3ja, a nedvess\u00e9g okozta er\u00f3zi\u00f3 \u00e9s az idegen t\u00e1rgyak okozta karcol\u00e1sok ellen is, ez\u00e1ltal meghosszabb\u00edtja a nyomtatott \u00e1ramk\u00f6ri lap \u00e9lettartam\u00e1t. A forraszt\u00e1si maszktinta egy fontos anyag, amelyet ennek a v\u00e9d\u0151r\u00e9tegnek az el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz fejlesztettek ki. Legfontosabb funkci\u00f3ja a forraszt\u00e1s megakad\u00e1lyoz\u00e1sa, \u00e9s ellen\u00e1ll\u00f3nak kell lennie a magas h\u0151m\u00e9rs\u00e9klet\u0171 forraszanyaggal szemben (hull\u00e1mforraszt\u00e1si h\u0151m\u00e9rs\u00e9klet 260\u00b0C), valamint nedvess\u00e9g\u00e1ll\u00f3nak, korr\u00f3zi\u00f3\u00e1ll\u00f3nak, pen\u00e9sz\u00e1ll\u00f3nak, oxid\u00e1ci\u00f3g\u00e1tl\u00f3nak, szigetel\u0151nek \u00e9s dekorat\u00edvnak kell lennie. A forraszt\u00e1si maszk fest\u00e9kbevon\u00e1si folyamata a nyomtatott \u00e1ramk\u00f6ri lapok feldolgoz\u00e1s\u00e1nak egyik f\u0151 folyamat\u00e1v\u00e1 v\u00e1lt.
\nA szitanyom\u00e1s sor\u00e1n a forraszt\u00e1sellen\u00e1ll\u00e1st forraszt\u00e1sellen\u00e1ll\u00f3 fest\u00e9kkel viszik fel. A forraszt\u00e1sellen\u00e1ll\u00f3 fest\u00e9k k\u00e9tf\u00e9le t\u00edpusban kaphat\u00f3: h\u0151vel \u00e9s f\u00e9nnyel kem\u00e9nyed\u0151, a kem\u00e9nyed\u00e9si m\u00f3dszert\u0151l f\u00fcgg\u0151en. A forraszt\u00e1sellen\u00e1ll\u00f3 tinta jelenleg f\u0151k\u00e9nt f\u00e9nykem\u00e9nyed\u0151 forraszt\u00e1sellen\u00e1ll\u00f3 tinta. Miut\u00e1n a forraszt\u00e1sellen\u00e1ll\u00f3 tinta megszil\u00e1rdul a nyomtatott \u00e1ramk\u00f6ri lapon, amelyen a r\u00e9z\u00e1ramk\u00f6r m\u00e1r pozit\u00edv forraszt\u00e1sellen\u00e1ll\u00f3 mint\u00e1val k\u00e9sz\u00fclt szitanyom\u00e1ssal, forraszt\u00e1sellen\u00e1ll\u00f3 v\u00e9d\u0151film alakul ki. A karaktertinta nyomtat\u00e1sa ut\u00e1n a k\u00e9szterm\u00e9k az ellen\u0151rz\u00e9sen val\u00f3 \u00e1thalad\u00e1s ut\u00e1n k\u00e9sz\u00fcl el. A forraszt\u00f3maszk a nyomtatott \u00e1ramk\u00f6ri lapon \u00e1lland\u00f3 bevonat, ez\u00e9rt kiv\u00e1l\u00f3 elektromos, fizikai \u00e9s mechanikai tulajdons\u00e1gokkal kell rendelkeznie, valamint ellen kell \u00e1llnia a magas h\u0151m\u00e9rs\u00e9kletnek, amely az ut\u00f3lagos hull\u00e1mforraszt\u00e1s sor\u00e1n 260 \u00b0C, katonai term\u00e9kek eset\u00e9ben pedig 288 \u00b0C. A forraszt\u00f3maszknak a nyomtatott \u00e1ramk\u00f6r\u00f6n kell maradnia.<\/p>\n
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Az UV forraszt\u00f3anyag-ellen\u00e1ll\u00f3 tinta oligomerek els\u0151sorban a j\u00f3 h\u0151\u00e1ll\u00f3s\u00e1g\u00fa, j\u00f3 szigetel\u00e9s\u0171 \u00e9s a r\u00e9zhez j\u00f3l tapad\u00f3 gyant\u00e1kat v\u00e1lasztj\u00e1k, mint p\u00e9ld\u00e1ul a biszfenol-A epoxi akrilgyanta, a fenolos epoxi akrilgyanta \u00e9s a poliuret\u00e1n akrilgyanta. Jelenleg \u00e1ltal\u00e1ban a fenolos epoxiakrilgyant\u00e1t haszn\u00e1lj\u00e1k. A reakt\u00edv h\u00edg\u00edt\u00f3szer egy t\u00f6bbfunkci\u00f3s akril\u00e1t monofunkci\u00f3s (metil)hidroxi-akril\u00e1ttal kombin\u00e1lva. A hidroxi-akril\u00e1t el\u0151ny\u00f6s a fest\u00e9k r\u00e9zhez val\u00f3 tapad\u00e1s\u00e1nak jav\u00edt\u00e1s\u00e1ban. A fotoinici\u00e1tor f\u0151k\u00e9nt a 651 vagy a 2-etil-tioxanton. A pigment f\u0151k\u00e9nt ftalocianin-z\u00f6ld, \u00e9s a mennyis\u00e9ge \u00e1ltal\u00e1ban nem haladja meg a 1% \u00e9rt\u00e9ket. A tint\u00e1hoz t\u00f6bb t\u00f6lt\u0151anyag adhat\u00f3 a h\u0151\u00e1ll\u00f3s\u00e1g jav\u00edt\u00e1sa \u00e9s a t\u00e9rfogat zsugorod\u00e1s\u00e1nak cs\u00f6kkent\u00e9se \u00e9rdek\u00e9ben. A tinta r\u00e9zhez val\u00f3 tapad\u00e1s\u00e1nak jav\u00edt\u00e1sa \u00e9rdek\u00e9ben 1%-2% tapad\u00e1sfokoz\u00f3t, p\u00e9ld\u00e1ul PM-1 monometil-metakril\u00e1tot vagy PM-2 dimetil-metakril\u00e1tot, valamint megfelel\u0151 mennyis\u00e9gben egy\u00e9b adal\u00e9kanyagokat, p\u00e9ld\u00e1ul habz\u00e1sg\u00e1tl\u00f3kat, szintez\u0151anyagokat \u00e9s polimeriz\u00e1ci\u00f3s inhibitorokat kell hozz\u00e1adni.<\/p>\n
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When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n
Why are blended photoinitiator packages so common?<\/strong> Should incomplete cure always be solved by adding more initiator?<\/strong> <\/p>\n <\/p>\n Quick answer:<\/strong> In most UV systems, photoinitiators are selected by balancing wavelength fit, through-cure, color control, and line speed. Buyers usually compare a blended package instead of one isolated product.<\/p>\n <\/p>\n <\/p>\n <\/p>","protected":false},"excerpt":{"rendered":" UV solder resist ink With the semi-automation and automation of electronic product assembly processes and the promotion of assembly line operations, wave soldering or dip soldering processes were adopted for<\/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-8159","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"\n
Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n
Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\nL\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h2>\n
Ha \u00e1r- vagy mintatesztre van sz\u00fcks\u00e9ge, 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
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\n Fotoinici\u00e1tor TPO<\/span><\/a><\/td>\n CAS 75980-60-8<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor TMO<\/span><\/a><\/td>\n CAS 270586-78-2<\/td>\n<\/tr>\n \n PD-01 fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 579-07-7<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor PBZ<\/span><\/a><\/td>\n CAS 2128-93-0<\/td>\n<\/tr>\n \n OXE-02 fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 478556-66-0<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor OMBB<\/span><\/a><\/td>\n CAS 606-28-0<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor MPBZ (6012)<\/span><\/a><\/td>\n CAS 86428-83-3<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor MBP<\/span><\/a><\/td>\n CAS 134-84-9<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor MBF<\/span><\/a><\/td>\n CAS 15206-55-0<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor LAP<\/span><\/a><\/td>\n CAS 85073-19-4<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor ITX<\/span><\/a><\/td>\n CAS 5495-84-1<\/td>\n<\/tr>\n \n EMK fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 90-93-7<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor EHA<\/span><\/a><\/td>\n CAS 21245-02-3<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor EDB<\/span><\/a><\/td>\n CAS 10287-53-3<\/td>\n<\/tr>\n \n DETX fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 82799-44-8<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor CQ \/ k\u00e1mforkinon<\/span><\/a><\/td>\n CAS 10373-78-1<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor CBP<\/span><\/a><\/td>\n CAS 134-85-0<\/td>\n<\/tr>\n \n BP \/ benzofenon fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 119-61-9<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor BMS<\/span><\/a><\/td>\n CAS 83846-85-9<\/td>\n<\/tr>\n \n F\u00e9nykezdem\u00e9nyez\u0151 938<\/span><\/a><\/td>\n CAS 61358-25-6<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 937<\/span><\/a><\/td>\n CAS 71786-70-4<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 819 DW<\/span><\/a><\/td>\n CAS 162881-26-7<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 819<\/span><\/a><\/td>\n CAS 162881-26-7<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 784<\/span><\/a><\/td>\n CAS 125051-32-3<\/td>\n<\/tr>\n \n 754 fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 6993<\/span><\/a><\/td>\n CAS 71449-78-0<\/td>\n<\/tr>\n \n 6976 fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 379<\/span><\/a><\/td>\n CAS 119344-86-4<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 369<\/span><\/a><\/td>\n CAS 119313-12-1<\/td>\n<\/tr>\n \n Fotoinici\u00e1tor 160<\/a><\/span><\/td>\n CAS 71868-15-0<\/td>\n<\/tr>\n \n F\u00e9nyind\u00edt\u00f3 1206<\/span><\/a><\/td>\n <\/td>\n<\/tr>\n \n 1173 fotoinici\u00e1tor<\/span><\/a><\/td>\n CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n