{"id":8837,"date":"2025-09-05T10:08:44","date_gmt":"2025-09-05T10:08:44","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8837"},"modified":"2026-04-27T11:16:00","modified_gmt":"2026-04-27T11:16:00","slug":"what-is-a-photoinitiator","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/hu\/what-is-a-photoinitiator\/","title":{"rendered":"Mi az a fotoinici\u00e1tor\uff1f"},"content":{"rendered":"<h1><strong>Mi az a fotoinici\u00e1tor<\/strong><strong>\uff1f<\/strong><\/h1>\n<p>fotoinici\u00e1tor, m\u00e1s n\u00e9ven (f\u00e9ny\u00e9rz\u00e9keny\u00edt\u0151) vagy (f\u00e9nykem\u00e9ny\u00edt\u0151 szer),<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8841\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>Ezek a vegy\u00fcletek az ultraibolya (250-420 nm) vagy a l\u00e1that\u00f3 (400-800 nm) tartom\u00e1nyban meghat\u00e1rozott hull\u00e1mhossz\u00fas\u00e1g\u00fa f\u00e9nyenergi\u00e1t nyelnek el, \u00e9s reakt\u00edv fajokat, p\u00e9ld\u00e1ul szabad gy\u00f6k\u00f6ket vagy kationokat hoznak l\u00e9tre, amelyek azt\u00e1n elind\u00edtj\u00e1k a polimeriz\u00e1ci\u00f3t, a t\u00e9rh\u00e1l\u00f3sod\u00e1st \u00e9s a kem\u00e9nyed\u00e9st. Kulcsszerepet j\u00e1tszanak a f\u00e9nykem\u00e9ny\u00edt\u0151 rendszerekben, \u00e9s sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k \u0151ket UV-ragaszt\u00f3kban, UV-bevonatokban, UV-fest\u00e9kekben \u00e9s g\u00e9llakkokban.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>01 A cselekv\u00e9s elve<\/b><\/strong><\/p>\n<p>A f\u00e9nyenergia elnyel\u00e9se ut\u00e1n a fotoinici\u00e1tor molekul\u00e1k az alap\u00e1llapotb\u00f3l gerjesztett \u00e1llapotba l\u00e9pnek, \u00e9s szingulett vagy triplett \u00e1llapotokon kereszt\u00fcl k\u00e9miai v\u00e1ltoz\u00e1sokon mennek kereszt\u00fcl, hogy akt\u00edv fragmentumokat (p\u00e9ld\u00e1ul szabad gy\u00f6k\u00f6ket \u00e9s kationokat) hozzanak l\u00e9tre, amelyek elind\u00edthatj\u00e1k a polimeriz\u00e1ci\u00f3t. Mechanizmusuk alapj\u00e1n az al\u00e1bbiak szerint kategoriz\u00e1lhat\u00f3k:<\/p>\n<p><strong><b>- Szabad gy\u00f6k\u00f6s fotoinici\u00e1torok: <\/b><\/strong>Ezek hasad\u00e1si vagy hidrog\u00e9n-elvon\u00e1si reakci\u00f3k r\u00e9v\u00e9n szabad gy\u00f6k\u00f6ket hoznak l\u00e9tre, amelyek szabadgy\u00f6k\u00f6s polimeriz\u00e1ci\u00f3t ind\u00edtanak el.<\/p>\n<p><strong><b>- Kationos fotoinici\u00e1torok: <\/b><\/strong>A fotol\u00edzis ut\u00e1n er\u0151s proton sav (p\u00e9ld\u00e1ul Br\u00f8nsted-sav) keletkezik, amely elind\u00edtja a kationos polimeriz\u00e1ci\u00f3t.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>02 Oszt\u00e1lyoz\u00e1s \u00e9s tipikus k\u00e9pvisel\u0151k<\/b><\/strong><\/p>\n<p>Szabadgy\u00f6k\u00f6s fotoinici\u00e1torok:<\/p>\n<p><strong><b>(1) Hasad\u00e1si t\u00edpus\u00fa inici\u00e1torok<\/b><\/strong><\/p>\n<p>A f\u00e9nyenergia elnyel\u00e9se ut\u00e1n Norrish I reakci\u00f3 k\u00f6vetkezik be, \u00e9s a k\u00f6t\u00e9s szabad gy\u00f6k\u00f6k keletkez\u00e9s\u00e9vel felszakad:<\/p>\n<ul>\n<li><strong><b> 1173 (HMPP): <\/b><\/strong>2-Hidroxi-2-metil-1-fenilpropanon<\/li>\n<li><strong><b> 184 (HCPK): <\/b><\/strong>1-Hidroxi-ciklohexil-fenil-keton<\/li>\n<\/ul>\n<p><strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8838\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/184-1173-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>907: <\/b><\/strong>2-metil-2-(4-morfolinil)-1-[4-(metiltio)fenil]-1-propanon<\/p>\n<p><strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8839\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/937-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>TPO: <\/b><\/strong>2,4,6-trimetil-benzoil-difenilfoszfin-oxid<\/p>\n<p><strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8840\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/tpo-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/><a href=\"https:\/\/changhongchemical.com\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">TPO-L<\/a>: <\/b><\/strong>Etil-2,4,6-trimetil-benzoil-fenilfoszfon\u00e1t<\/p>\n<p><strong><b>659: <\/b><\/strong>2-Hidroxi-2-metil-1-[4-(2-hidroxietoxi)fenil]-1-propanon<\/p>\n<p>MBF: metil-benzoil-formi\u00e1t<\/p>\n<p><strong><b>(2) Hidrog\u00e9n-absztrah\u00e1l\u00f3 inici\u00e1torok<\/b><\/strong><\/p>\n<p>Szabad gy\u00f6k\u00f6k l\u00e9trehoz\u00e1sa hidrog\u00e9n-elvon\u00e1si reakci\u00f3 r\u00e9v\u00e9n:<\/p>\n<ul>\n<li><strong><b> BP: <\/b><\/strong><a href=\"https:\/\/changhongchemical.com\/product\/photoinitiator-bp-cas-119-61-9\/\">Benzofenon<\/a><\/li>\n<li><strong><b> MBP: <\/b><\/strong>4-metil-benzofenon<\/li>\n<\/ul>\n<p><strong><b>(3) \u00d6sszetett inici\u00e1tor<\/b><\/strong><\/p>\n<ul>\n<li><b><\/b><strong><b>IHT-PI 910: <\/b><\/strong><\/li>\n<\/ul>\n<p>2-dimetilamino-2-benzil-1-[4-(4-morfolinil)fenil]-1-but\u00e1non<\/p>\n<ul>\n<li><strong><b> IHT-PI 4265:<\/b><\/strong>50% TPO + 50% 1173<\/li>\n<li><strong><b> IHT-PI 1000:<\/b><\/strong>20% 184 + 80% 1173<\/li>\n<li><strong><b>IHT-PI 500:<\/b><\/strong>50% 184 + 50% BP<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong><b>Kationos fotoinici\u00e1torok:<\/b><\/strong><\/p>\n<p>A fotol\u00edzis sor\u00e1n szupersav keletkezik, amely elind\u00edtja az epoxik, vinil-\u00e9terek \u00e9s m\u00e1s anyagok polimeriz\u00e1ci\u00f3j\u00e1t:<\/p>\n<ul>\n<li>I\u00f3niums\u00f3k (pl. I-250)<\/li>\n<li>Szulfoniums\u00f3k (pl. I-160)<\/li>\n<li>Metalloc\u00e9ns\u00f3k (pl. kum\u00e9n-ferroc\u00e9nium-hexafluorfoszf\u00e1t)<\/li>\n<li>Szerves szil\u00e1nok<\/li>\n<\/ul>\n<p><strong><b>03 Szerkezeti oszt\u00e1lyoz\u00e1s \u00f6sszefoglal\u00e1sa<\/b><\/strong><\/p>\n<p>Szabadgy\u00f6k\u00f6s fotoinici\u00e1torok:<\/p>\n<p>- Benzoin \u00e9s sz\u00e1rmaz\u00e9kai (benzo\u00e9terek)<\/p>\n<p>- Benzilek (benzoil-benzofenonok)<\/p>\n<p>- Alkil-fenonok (\u03b1-hidroxi-alkil-fenonok, \u03b1-amino-alkil-fenonok)<\/p>\n<p>- Acil-foszfin-oxidok (TPO stb.)<\/p>\n<p>- Benzofenonok<\/p>\n<p>- Tioxantonok<\/p>\n<p>Kationos fotoinici\u00e1torok:<\/p>\n<p>- Onium-s\u00f3k (ionium-s\u00f3k, szulfonium-s\u00f3k)<\/p>\n<p>- F\u00e9morganikus anyagok (ferroc\u00e9nium s\u00f3k)<\/p>\n<p>- Szerves szil\u00e1nok<\/p>\n<p><strong><b>04 Alkalmaz\u00e1si ter\u00fcletek<\/b><\/strong><\/p>\n<p>A fotoinici\u00e1torok a sug\u00e1rkezel\u00e9ses kem\u00e9ny\u00edt\u00e9si technol\u00f3gia alapvet\u0151 \u00f6sszetev\u0151i, \u00e9s sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k \u0151ket a k\u00f6vetkez\u0151kben:<\/p>\n<p>UV bevonatok: fa, m\u0171anyag \u00e9s f\u00e9m bevonatok<\/p>\n<p><strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8842\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>UV tint\u00e1k:<\/b><\/strong>\u00a0Nyomdaipar \u00e9s csomagol\u00f3ipar<\/p>\n<p><strong><b>UV-ragaszt\u00f3k:<\/b><\/strong>\u00a0Elektronikai \u00e9s orvosi ragaszt\u00f3k<\/p>\n<p><strong><b>G\u00e9l lakk:<\/b><\/strong>\u00a0UV\/LED-kem\u00e9nyed\u0151 zsel\u00e9s lakk (mint p\u00e9ld\u00e1ul a CHROM\u00c9CLAIR's <a href=\"https:\/\/chromeclair.com\/\">HEMA-mentes g\u00e9l lakk<\/a>) a nail art ipar sz\u00e1m\u00e1ra, amely gyors kikem\u00e9nyed\u00e9st, magas f\u00e9nyt \u00e9s kop\u00e1s\u00e1ll\u00f3s\u00e1got biztos\u00edt.<\/p>\n<p><strong><b>Egy\u00e9b f\u00e9nyre kem\u00e9nyed\u0151 anyagok: <\/b><\/strong>3D nyomtat\u00e1s, fotorezisztek stb.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>05 Jellemz\u0151k \u00e9s el\u0151ny\u00f6k<\/b><\/strong><\/p>\n<p>A f\u00e9nykem\u00e9ny\u00edt\u0151 technol\u00f3gia megfelel az \"5E\" z\u00f6ld szabv\u00e1nyoknak:<\/p>\n<ul>\n<li><strong><b> Hat\u00e9kony:<\/b><\/strong>M\u00e1sodpercek alatt gy\u00f3gyul<\/li>\n<li><strong><b> Enged\u00e9lyez\u00e9s:<\/b><\/strong>K\u00fcl\u00f6nb\u00f6z\u0151 aljzatokra alkalmazhat\u00f3<\/li>\n<li><strong><b> Gazdas\u00e1gos: <\/b><\/strong>Alacsony energiafogyaszt\u00e1s \u00e9s magas termel\u00e9si hat\u00e9konys\u00e1g<\/li>\n<li><strong><b> Energiatakar\u00e9kos: <\/b><\/strong>Szobah\u0151m\u00e9rs\u00e9klet\u0171 reakci\u00f3, nincs sz\u00fcks\u00e9g f\u0171t\u00e9sre<\/li>\n<li><strong><b> K\u00f6rnyezetbar\u00e1t: <\/b><\/strong>Nincs VOC-kibocs\u00e1t\u00e1s, alacsony szennyez\u00e9s<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>photoinitiator, also known as (photosensitizer) or (photocuring agent), These compounds absorb specific wavelengths of light energy in the ultraviolet (250-420 nm) or visible (400-800 nm) regions, generating reactive species such as free radicals or&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8837","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a photoinitiator\uff1f<\/title>\n<meta name=\"description\" content=\"photoinitiator, also known as (photosensitizer) or (photocuring agent),These compounds absorb specific wavelengths of light energy in the ultraviolet (250-420 nm) or visible (400-800 nm) regions, generating reactive species such as free radicals or cations, which then initiate polymerization, crosslinking, and curing. 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