{"id":7662,"date":"2024-11-29T12:52:18","date_gmt":"2024-11-29T12:52:18","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=7662"},"modified":"2024-11-29T12:52:18","modified_gmt":"2024-11-29T12:52:18","slug":"how-to-substitute-tpo-photoinitiator","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/how-to-substitute-tpo-photoinitiator\/","title":{"rendered":"Hogyan kell a tpo fotoinici\u00e1tort helyettes\u00edteni?"},"content":{"rendered":"

Hogyan helyettes\u00edthet\u0151 a tpo fotoinici\u00e1tor?<\/strong><\/h1>\n

Az ECHA hivatalosan bejelentette, hogy a difenil(2,4,6-trimetilbenzoil)foszfin-oxid, m\u00e1s n\u00e9ven TPO fotoinici\u00e1tor felv\u00e9telt nyert a k\u00fcl\u00f6n\u00f6s aggodalomra okot ad\u00f3 anyagok (SVHC) jel\u00f6ltlist\u00e1j\u00e1nak 29. t\u00e9tel\u00e9be. Ezzel az SVHC-jel\u00f6lt anyagok list\u00e1j\u00e1n szerepl\u0151 anyagok sz\u00e1ma 235-re emelkedett. Ez azt jelenti, hogy a v\u00e1llalatok jelent\u0151s felel\u0151ss\u00e9get kapnak a list\u00e1n szerepl\u0151 vegyi anyagok\u00e9rt. Mindent meg kell tenni\u00fck a kock\u00e1zatok kezel\u00e9se \u00e9rdek\u00e9ben, \u00e9s r\u00e9szletes t\u00e1j\u00e9koztat\u00e1st kell ny\u00fajtaniuk \u00fcgyfeleiknek \u00e9s fogyaszt\u00f3iknak e vegyi anyagok biztons\u00e1gos haszn\u00e1lat\u00e1r\u00f3l. Ennek oka, hogy ezek az anyagok a j\u00f6v\u0151ben nagy val\u00f3sz\u00edn\u0171s\u00e9ggel valamikor felker\u00fclnek az enged\u00e9lyez\u00e9si list\u00e1ra. Amint egy anyagot felvesznek a jegyz\u00e9kbe, az betilt\u00e1sra ker\u00fcl, kiv\u00e9ve, ha az \u00e9rintett v\u00e1llalat sikeresen enged\u00e9lyt k\u00e9r az Eur\u00f3pai Bizotts\u00e1gt\u00f3l annak tov\u00e1bbi haszn\u00e1lat\u00e1ra.
\nEl\u0151sz\u00f6r n\u00e9zz\u00fck meg a TPO fotoinici\u00e1torral kapcsolatos alapvet\u0151 inform\u00e1ci\u00f3kat. K\u00e9miai neve difenil-(2,4,6-trimetilbenzoil)-foszfin-oxid, m\u00e1s n\u00e9ven TPO fotoinici\u00e1tor, EK-sz\u00e1m: 278-355-8, CAS-sz\u00e1m: 7598 0 - 60 - 8. A reprodukci\u00f3s toxicit\u00e1s miatt szerepel a jegyz\u00e9kben (57. cikk c) pontja), \u00e9s sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k, p\u00e9ld\u00e1ul tint\u00e1kban \u00e9s tonerekben, bevon\u00f3szerekben, fotopolimerekben, ragaszt\u00f3kban \u00e9s t\u00f6m\u00edt\u0151anyagokban, valamint t\u00f6lt\u0151anyagokban, gipszmodellez\u0151 agyagban \u00e9s sok m\u00e1sban.<\/p>\n

Visszatekintve a f\u00e9nykem\u00e9ny\u00edt\u00e9s fejl\u0151d\u00e9s\u00e9re, ez egy nagyon jellegzetes technol\u00f3gia. A f\u00e9nykem\u00e9ny\u00edt\u00e9s els\u0151sorban a monomerek, oligomerek vagy polimer szubsztr\u00e1tumok f\u00e9ny hat\u00e1s\u00e1ra t\u00f6rt\u00e9n\u0151 kem\u00e9ny\u00edt\u00e9s\u00e9nek folyamat\u00e1ra utal, amely kulcsszerepet j\u00e1tszik a filmk\u00e9pz\u00e9si folyamatban. Nagy hat\u00e9konys\u00e1ga, alkalmazkod\u00f3k\u00e9pess\u00e9ge, gazdas\u00e1goss\u00e1ga, energiatakar\u00e9koss\u00e1ga \u00e9s k\u00f6rnyezetbar\u00e1ts\u00e1ga a modern ipar kulcsfontoss\u00e1g\u00fa technol\u00f3gi\u00e1j\u00e1v\u00e1 tette. A f\u00e9nykem\u00e9ny\u00edt\u00e9s nagyj\u00e1b\u00f3l k\u00e9t t\u00edpusra oszthat\u00f3: a hagyom\u00e1nyos higanyl\u00e1mp\u00e1s kem\u00e9ny\u00edt\u00e9sre \u00e9s az \u00fajonnan megjelen\u0151 UV LED-es kem\u00e9ny\u00edt\u00e9sre. A hagyom\u00e1nyos higanyl\u00e1mp\u00e1k, ha haszn\u00e1lat ut\u00e1n nem megfelel\u0151en \u00e1rtalmatlan\u00edtj\u00e1k \u0151ket, s\u00falyos k\u00f6rnyezetszennyez\u00e9st okozhatnak, ami az egyik f\u0151 oka a kivon\u00e1suknak. Az UV LED-es p\u00e1col\u00e1s fokozatosan megjelenik a p\u00e1col\u00f3 berendez\u00e9sek ter\u00fclet\u00e9n, mivel sz\u00e1mos el\u0151nye van, p\u00e9ld\u00e1ul energiatakar\u00e9kosabb, k\u00f6nnyen be- \u00e9s kikapcsolhat\u00f3 \u00e9s kompakt m\u00e9ret\u0171. A hagyom\u00e1nyos higanyl\u00e1mp\u00e1s p\u00e1col\u00e1s felv\u00e1lt\u00e1s\u00e1ra k\u00e9sz\u00fcl, \u00e9s a f\u0151\u00e1ram\u00fa f\u00e9nyforr\u00e1ss\u00e1 v\u00e1lik.<\/p>\n

Egy f\u00e9nyre kem\u00e9nyed\u0151 k\u00e9sz\u00edtm\u00e9nyrendszerben a fotoinici\u00e1tor csak k\u00f6r\u00fclbel\u00fcl 2% - 5%-t tesz ki, ami jelent\u00e9ktelennek t\u0171nhet, de val\u00f3j\u00e1ban n\u00e9lk\u00fcl\u00f6zhetetlen szerepet j\u00e1tszik. A fotopolimeriz\u00e1ci\u00f3s reakci\u00f3 speci\u00e1lis k\u00f6vetelm\u00e9nyei miatt a fotoinici\u00e1toroknak ultraibolya f\u00e9nyt kell elnyelni\u00fck, hogy szabad gy\u00f6k\u00f6ket hozzanak l\u00e9tre, amelyek viszont elind\u00edtj\u00e1k a polimeriz\u00e1ci\u00f3s reakci\u00f3t, \u00e9s v\u00e9g\u00fcl a term\u00e9k megszil\u00e1rdul\u00e1s\u00e1t okozz\u00e1k. A hagyom\u00e1nyos fotoinici\u00e1torok, mint p\u00e9ld\u00e1ul az 1173 \u00e9s 184, maxim\u00e1lis abszorpci\u00f3s hull\u00e1mhossza a r\u00f6vid hull\u00e1mhossz\u00fa UVC tartom\u00e1nyban van, \u00edgy jobban alkalmasak a hagyom\u00e1nyos higanyl\u00e1mp\u00e1kkal t\u00f6rt\u00e9n\u0151 kem\u00e9ny\u00edt\u00e9sre. Az UV LED-ek ezzel szemben els\u0151sorban bizonyos hull\u00e1mhosszakra \u00f6sszpontos\u00edtanak, mint p\u00e9ld\u00e1ul 365 nm, 385 nm, 395 nm \u00e9s 405 nm. Ezen hull\u00e1mhosszak k\u00f6z\u00fcl a foszfin-oxid fotoinici\u00e1torok viszonylag er\u0151s abszorpci\u00f3s k\u00e9pess\u00e9ggel rendelkeznek. A TPO fotoinici\u00e1tor tipikus k\u00e9pvisel\u0151je, \u00e9s sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k az UV LED-ek ter\u00fclet\u00e9n. A TPO nemcsak a magas indukci\u00f3s hat\u00e9konys\u00e1g \u00e9s az alacsony s\u00e1rgul\u00e1s kiv\u00e1l\u00f3 jellemz\u0151ivel rendelkezik, hanem viszonylag megfizethet\u0151 is. Az elm\u00falt n\u00e9h\u00e1ny \u00e9vben azonban az UV LED-es gy\u00f3gy\u00edt\u00e1si technol\u00f3gia er\u0151s n\u00f6veked\u00e9si lend\u00fclet\u00e9vel a TPO glob\u00e1lis k\u00edn\u00e1lata rendk\u00edv\u00fcl sz\u0171k\u00f6s volt, \u00e9s rendk\u00edv\u00fcl neh\u00e9z lett egyetlen term\u00e9k beszerz\u00e9se. Szerencs\u00e9re az elm\u00falt \u00e9vekben a hazai f\u0151\u00e1ram\u00fa fotoinici\u00e1torgy\u00e1rt\u00f3k folyamatos termel\u00e9si l\u00e9pt\u00e9kb\u0151v\u00edt\u00e9se, valamint az \u00faj gy\u00e1rt\u00f3k fokozatos bel\u00e9p\u00e9se miatt a TPO sz\u0171k\u00f6s k\u00edn\u00e1lata nagym\u00e9rt\u00e9kben enyh\u00fclt, \u00e9s az \u00e1r fokozatosan visszat\u00e9rt a norm\u00e1l szintre. A TPO stabil k\u00edn\u00e1lata az UV LED-technol\u00f3gia tov\u00e1bbi fejl\u0151d\u00e9s\u00e9t is er\u0151teljesen el\u0151seg\u00edtette.<\/p>\n

N\u00e9zz\u00fck meg k\u00f6zelebbr\u0151l a TPO toxicit\u00e1si besorol\u00e1s\u00e1t \u00e9s korl\u00e1tozott haszn\u00e1lat\u00e1t. A fotoinici\u00e1torok t\u00f6bbnyire kis szerves molekul\u00e1k. Ha a f\u00e9nyviszonyok nem megfelel\u0151ek, ezek a fotoinici\u00e1tor molekul\u00e1k a kikem\u00e9ny\u00edtett term\u00e9kben maradhatnak, \u00edgy potenci\u00e1lis migr\u00e1ci\u00f3s anyagokat k\u00e9pezhetnek. Ezenk\u00edv\u00fcl a legt\u00f6bb esetben a fotoinici\u00e1torok szabad gy\u00f6k\u00f6ket el\u0151\u00e1ll\u00edt\u00f3 folyamata k\u00e9miai k\u00f6t\u00e9sek felbont\u00e1s\u00e1val val\u00f3sul meg. Miut\u00e1n ezeket a szabad gy\u00f6k\u00f6ket v\u00e9g\u00fcl elfojtj\u00e1k, alacsonyabb molekulat\u00f6meg\u0171 vegy\u00fcleteket k\u00e9pezhetnek. Ezek a kis molekul\u00e1j\u00fa term\u00e9kek nemcsak migr\u00e1ci\u00f3s probl\u00e9m\u00e1t jelentenek, hanem toxikus anyagokat is termelhetnek, amelyek k\u00e9ts\u00e9gtelen\u00fcl potenci\u00e1lis vesz\u00e9lyt jelentenek az emberi eg\u00e9szs\u00e9gre \u00e9s a k\u00f6rnyezetbiztons\u00e1gra. A TPO fotoinici\u00e1tor egyre sz\u00e9lesebb k\u00f6r\u0171 haszn\u00e1lat\u00e1val p\u00e1rhuzamosan az ellene ir\u00e1nyul\u00f3 szab\u00e1lyoz\u00e1si er\u0151fesz\u00edt\u00e9sek is egyre intenz\u00edvebb\u00e9 v\u00e1ltak. Az EU CLP (oszt\u00e1lyoz\u00e1s, c\u00edmk\u00e9z\u00e9s \u00e9s csomagol\u00e1s) szab\u00e1lyoz\u00e1sa szerint a TPO-t eredetileg a 2. kateg\u00f3ri\u00e1ba (H361) tartoz\u00f3 reprodukci\u00f3s m\u00e9rgez\u0151 anyagk\u00e9nt, azaz \"felt\u00e9telezett hum\u00e1n reprodukci\u00f3s m\u00e9rgez\u0151 anyagk\u00e9nt\" is ismert\u00e9k. 2020 j\u00fanius\u00e1ban a skandin\u00e1v orsz\u00e1g, Sv\u00e9dorsz\u00e1g, kiterjedt \u00e1llatk\u00eds\u00e9rletekb\u0151l sz\u00e1rmaz\u00f3 bizony\u00edt\u00e9kok alapj\u00e1n javasolta a besorol\u00e1s 1B (H360DF) kateg\u00f3ri\u00e1ra t\u00f6rt\u00e9n\u0151 m\u00f3dos\u00edt\u00e1s\u00e1t, \u00e9s hozz\u00e1adta a b\u0151rirrit\u00e1l\u00f3 (H317) besorol\u00e1st is (az 1B a \"felt\u00e9telezett hum\u00e1n reprodukt\u00edv toxicit\u00e1st\" jelzi). 2021 \u0151sz\u00e9n az EU kock\u00e1zat\u00e9rt\u00e9kel\u00e9si bizotts\u00e1ga (RAC) meg\u00e1llapodott a TPO besorol\u00e1s\u00e1nak friss\u00edt\u00e9s\u00e9r\u0151l. Amint az Eur\u00f3pai Bizotts\u00e1g j\u00f3v\u00e1hagyja, az oszt\u00e1lyoz\u00e1s ATP r\u00e9v\u00e9n beker\u00fcl az EU CLP-rendelet VI. mell\u00e9klet\u00e9be, \u00e9s jogilag k\u00f6telez\u0151 \u00e9rv\u00e9ny\u0171v\u00e9 v\u00e1lik. 2023 janu\u00e1rj\u00e1ban Sv\u00e9dorsz\u00e1g \u00fajabb sz\u00e1nd\u00e9knyilatkozatot tett k\u00f6zz\u00e9, amelyben javaslatot tett a TPO-nak a k\u00fcl\u00f6n\u00f6s aggodalomra okot ad\u00f3 anyagok (SVHC) list\u00e1j\u00e1ra val\u00f3 felv\u00e9tel\u00e9re, \u00e9s a javaslattal kapcsolatos \u00e9szrev\u00e9teleket 2023. \u00e1prilis 3-ig kellett beny\u00fajtani. Mostant\u00f3l kezdve a TPO hivatalosan is felker\u00fclt a k\u00fcl\u00f6n\u00f6s aggodalomra okot ad\u00f3 anyagok (SVHC) jel\u00f6ltlist\u00e1j\u00e1nak 29. t\u00e9tel\u00e9be.<\/p>\n

A TPO fotoinici\u00e1tor alternat\u00edv\u00e1inak felt\u00e1r\u00e1s\u00e1t illet\u0151en a TPO mellett k\u00e9t \u00e1ltal\u00e1nosan haszn\u00e1lt fotoinici\u00e1tor l\u00e9tezik a foszfin-oxid fotoinici\u00e1torok kateg\u00f3ri\u00e1j\u00e1ban, amelyek er\u0151s ultraibolya f\u00e9nyelnyel\u00e9ssel rendelkeznek: A TPO-L fotoinici\u00e1tor \u00e9s a 819-es fotoinici\u00e1tor (BAPO). A TPO - L molekulaszerkezete hasonl\u00f3 a TPO-\u00e9hoz, de toxicit\u00e1sa viszonylag alacsony, mivel a molekula egyik benzolgy\u0171r\u0171j\u00e9t etoxicsoporttal helyettes\u00edtett\u00e9k. Van azonban egy jelent\u0151s h\u00e1tr\u00e1nya is: a TPO-L inici\u00e1l\u00e1si hat\u00e9konys\u00e1ga sokkal alacsonyabb, mint a TPO-\u00e9. A m\u00e1sik foszfin-oxid-fotoinici\u00e1tor 819 (BABO) \u00fagy \u00e9rtelmezhet\u0151, mint a TPO-ban l\u00e9v\u0151 benzolgy\u0171r\u0171 k\u00e9t 2,4,6-trimetil-benzoil csoporttal helyettes\u00edtett 2,4,6-trimetil-benzoil csoporttal val\u00f3 helyettes\u00edt\u00e9s\u00e9nek term\u00e9ke. A 819 nagyobb kiindul\u00e1si hat\u00e9konys\u00e1ggal rendelkezik, mint a TPO, de komoly s\u00e1rgul\u00e1si probl\u00e9m\u00e1ja van, ami azt jelenti, hogy nem haszn\u00e1lhat\u00f3 olyan alkalmaz\u00e1sokban, ahol a sz\u00edn kritikus. \u00d6sszefoglalva, a TPO-L \u00e9s a 819 csak bizonyos speci\u00e1lis alkalmaz\u00e1sokban helyettes\u00edtheti a TPO-t, de teljesen nem helyettes\u00edtheti azt.<\/p>\n

Szerencs\u00e9re a TPO-nak egy \u00faj alternat\u00edv\u00e1ja jelent meg: A fotoinici\u00e1tor TMO. A TMO fotoinici\u00e1tor teljes neve (2,4,6-trimetilbenzoil) bisz(4-metilfenil)foszfin-oxid, CAS-sz\u00e1m\u00e1nak sz\u00e1ma pedig 270586-78-2. A molekulaszerkezetb\u0151l \u00edt\u00e9lve a TMO fotoinici\u00e1tor a TPO k\u00e9t benzolgy\u0171r\u0171j\u00e9be egy-egy metilcsoportot vezetett be. Ez az enyhe szerkezeti v\u00e1ltoz\u00e1s nagym\u00e9rt\u00e9kben cs\u00f6kkentette a TPO biotoxicit\u00e1s\u00e1t. Kiterjedt k\u00eds\u00e9rleti ellen\u0151rz\u00e9s meg\u00e1llap\u00edtotta, hogy a TMO fotoinici\u00e1tor ind\u00edt\u00e1si hat\u00e9konys\u00e1ga m\u00e9g a TPO-\u00e9hoz k\u00e9pest is valamivel magasabb, \u00e9s kiv\u00e1l\u00f3 tulajdons\u00e1gai k\u00f6z\u00e9 tartozik, hogy nem s\u00e1rgul \u00e9s alacsony a kiold\u00f3d\u00e1s. Jelenleg a fotoinici\u00e1tor TMO-t sikeresen gy\u00e1rtj\u00e1k sorozatban, \u00e9s sikeresen megszerezte az EU REACH regisztr\u00e1ci\u00f3s tan\u00fas\u00edtv\u00e1ny\u00e1t, ami azt jelenti, hogy sikeresen \u00e9rt\u00e9kes\u00edthet\u0151 az eur\u00f3pai piacon, ahol a legszigor\u00fabb a vegyi ellen\u0151rz\u00e9s. Ennek az \u00faj fotoinici\u00e1tornak a megjelen\u00e9se k\u00e9ts\u00e9gtelen\u00fcl \u00faj \u00f6tleteket \u00e9s ir\u00e1nyt ad a fotopolimeripar sz\u00e1m\u00e1ra az anyagv\u00e1laszt\u00e1si dilemma kezel\u00e9s\u00e9ben, miut\u00e1n a TPO felker\u00fclt az SVHC jel\u00f6ltlist\u00e1ra. A j\u00f6v\u0151ben a technol\u00f3gia folyamatos fejl\u0151d\u00e9s\u00e9vel \u00e9s az alapos kutat\u00e1ssal tov\u00e1bbi innov\u00e1ci\u00f3k \u00e9s \u00e1tt\u00f6r\u00e9sek j\u00f6hetnek a fotoinici\u00e1torok ter\u00fclet\u00e9n. V\u00e1rni fogunk \u00e9s megl\u00e1tjuk.<\/p>\n

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

Ha sz\u00fcks\u00e9ge van a fotoinici\u00e1tor \u00e1r\u00e1ra, 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":"

Hogyan helyettes\u00edthet\u0151 a tpo fotoinici\u00e1tor? Az ECHA hivatalosan bejelentette, hogy a difenil-(2,4,6-trimetilbenzoil)-foszfin-oxid, m\u00e1s n\u00e9ven TPO fotoinici\u00e1tor beker\u00fclt a k\u00fcl\u00f6n\u00f6s aggodalomra okot ad\u00f3 anyagok (SVHC) jel\u00f6ltlist\u00e1j\u00e1nak 29. t\u00e9tel\u00e9be. Ezzel az SVHC-jel\u00f6lt anyagok list\u00e1j\u00e1n szerepl\u0151 anyagok sz\u00e1ma 235-re emelkedett. Ez azt jelenti, hogy a v\u00e1llalatok [...]<\/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-7662","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"\nHow to substitute tpo photoinitiator - 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\/how-to-substitute-tpo-photoinitiator\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to substitute tpo photoinitiator - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"How to substitute tpo photoinitiator? The ECHA has officially announced that diphenyl (2,4,6-trimethylbenzoyl)phosphine oxide, also known as photoinitiator TPO, has been included in the 29th batch of the Candidate List of Substances of Very High Concern (SVHC). This brings the total number of substances on the SVHC Candidate List to 235. 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