{"id":8558,"date":"2025-05-13T06:50:10","date_gmt":"2025-05-13T06:50:10","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8558"},"modified":"2025-05-16T07:49:00","modified_gmt":"2025-05-16T07:49:00","slug":"introduction-to-photoinitiators-and-their-standards","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/id\/introduction-to-photoinitiators-and-their-standards\/","title":{"rendered":"Pengenalan terhadap inisiator foto dan standarnya"},"content":{"rendered":"

Industri pelapisan:
\nI \u3001 Istilah dan definisi photoinisiator (photoinisiator), menurut GB\/T 41764-2022 'Penentuan kandungan photoinisiator dalam pelapis pengawet radiasi Metode Kromatografi Gas-Spektrometri Massa' pada 3.1 dijelaskan sebagai: zat yang dapat menyerap energi radiasi, dan mengalami perubahan kimiawi melalui eksitasi, menghasilkan zat antara yang reaktif (radikal bebas atau kation) yang memiliki kemampuan untuk menginisiasi polimerisasi.
\nII \u3001Standar yang relevan GB\/T 41764-2022 'Penentuan kandungan fotoinisiator dalam pelapis pengawet radiasi Kromatografi Gas-Spektrometri Massa' HG\/T 5778-2020 'Pelapis pengawet Ultraviolet (UV) untuk bahan kemasan kosmetik' SN\/T 4317-2015 'Deteksi migrasi 7 fotoinisiator dalam makanan yang diekspor Kromatografi Cair-Spektrometri Massa\/Spektrometri Massa'.
\nIV \u3001 Mekanisme dan klasifikasi fotoinisiator dalam penyerapan energi cahaya secara langsung atau tidak langsung, molekul inisiator dari keadaan dasar melompat ke keadaan linier tunggal tereksitasi, melalui lompatan antar-sistem melompat ke keadaan tiga linier tereksitasi. Dalam keadaan unilinear tereksitasi atau keadaan trilinear setelah satu molekul atau aksi kimia bimolekuler, produksi polimerisasi monomer dapat dipicu oleh fragmen aktif (radikal bebas, kation, anion, dll.), sehingga memicu pengawetan pengikatan silang polimerisasi monomer. Ada banyak jenis photoinitiator. Menurut mekanisme pemicuan yang berbeda, fotoinisiator dapat dibagi menjadi fotoinisiator kationik dan fotoinisiator radikal bebas, di mana fotoinisiator radikal bebas memiliki jangkauan aplikasi terluas.<\/p>\n

4. Beberapa penggagas foto arus utama dan area aplikasinya
\n907 dan inisiator foto ITX atau DETX yang digunakan bersama dengan sistem berwarna, area aplikasi utama untuk dekorasi rumah, dll.; 1173 dan TPO dengan efek pengawetan yang lebih baik, area aplikasi utama untuk pernis furnitur dan kayu, pelapis lantai, dekorasi rumah, Area aplikasi utama adalah: pernis kayu furnitur, pelapis lantai, pelapis elektronik 3C, interior mobil, dekorasi rumah, produk plastik, dll. 184 dapat digunakan dengan TPO dan inisiator foto menguning rendah lainnya dalam sistem putih, terutama digunakan dalam: pernis kayu furnitur, pelapis lantai, pelapis elektronik 3C, interior mobil, dekorasi rumah, produk plastik, dll.
\n1. 184
\nPanjang gelombang serapan maksimum adalah 333 nm, terutama digunakan untuk memulai pengawetan cepat sistem akrilat dan metakrilat, dosis referensi 2% hingga 4%, waktu pengawetan masing-masing 190 detik dan 140 detik.<\/p>\n

Alias: 1-Hydroxycyclohexyl phenyl ketone
\nNama bahasa Inggris: 1-Hydroxycyclohexyl phenyl ketone
\nNomor CAS: 947-19-3
\nPenampilan: Kristal putih atau putih pudar
\nTransmisi: 425nm\u226598.0%, 500nm\u226599.0% (1g\/10mL toluena)
\nPuncak serapan: 246nm, 280nm, 333nm (dalam larutan metanol)
\nKelarutan: 20 \u2103 (larutan g\/100g)<\/p>\n

2. 907
\n907 dapat dalam proses pengawetan tinta, penyerapan energi radiasi UV dan pembentukan radikal atau kation bebas, memicu polimerisasi monomer dan oligomer, reaksi pengikatan silang dan pencangkokan, dalam waktu yang sangat singkat untuk membuat pengawetan tinta menjadi struktur jala polimer tiga dimensi.<\/p>\n

Alias: 2-metil-1- (4-metiltiofenil) -2-morfolinil-1-propanon
\nNomor CAS: 71868-10-5
\nPenampilan: Bubuk kristal putih
\nTransmisi: 425nm\u226590.0%, 500nm\u226595.0% (1g\/10mL toluena)
\nPuncak serapan: 230nm, 304nm (dalam larutan metanol)
\nKelarutan: 20 \u2103 (larutan g\/100g)<\/p>\n

V \u3001 Tren pengembangan fotoinisiator fotoinisiator selain memenuhi persyaratan lingkungan seperti beberapa standar (seperti pelapis food grade) pada residu fotoinisiator memiliki batasan yang ketat, dalam hal kinerja perlu memiliki koefisien kepunahan molar yang tinggi, toksisitas rendah, kelarutan yang baik dan karakteristik lainnya, dan kecocokan spektral dengan sumber cahaya.
\nDengan meningkatnya kesadaran keamanan masyarakat, keamanan kemasan makanan dan obat-obatan semakin penting, seperti Eropa pada tinta kemasan makanan dan obat-obatan yang dikembangkan secara ketat. Secara global, fotoinisiator makromolekul akan semakin banyak digunakan dalam tinta kemasan karena keunggulan toksisitas rendah dan migrasi rendah, sehingga pengembangan lebih banyak jenis fotoinisiator makromolekul merupakan tren pengembangan produk industri.
\nProduk yang diformulasikan yang terdiri dari fotoinisiator kationik dan resin serta monomer pendukung memiliki keunggulan anti-oksidasi dan pemblokiran polimerisasi, penyusutan sistem yang rendah, yang dapat melengkapi sistem pengawetan radikal bebas. Aplikasi produk curing kationik di masa depan atau penggunaan campuran dengan produk curing radikal bebas memiliki prospek pengembangan, sehingga fotoinisiator kationik juga merupakan salah satu arah pengembangan produk dan teknologi.<\/p>\n

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Industri pelapisan: I \u3001 Istilah dan definisi photoinisiator (photoinisiator), menurut GB \/ T 41764-2022 'Penentuan kandungan photoinisiator dalam pelapis pengawet radiasi Metode Kromatografi Gas-Spektrometri Massa' pada 3.1 dijelaskan sebagai: zat yang dapat menyerap energi radiasi, dan mengalami perubahan kimiawi melalui eksitasi, menghasilkan zat antara yang reaktif (radikal bebas atau kation) dengan kemampuan untuk menginisiasi polimerisasi. II \u3001 Relevan [...]<\/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-8558","post","type-post","status-publish","format-standard","hentry","category-photoinitiator"],"yoast_head":"\nIntroduction to photoinitiators and their standards - Changhong 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:\/\/changhongchemical.com\/id\/introduction-to-photoinitiators-and-their-standards\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction to photoinitiators and their standards - Changhong Chemical\" \/>\n<meta property=\"og:description\" content=\"Coating industry: I\u3001Terms and definitions photoinitiator (photoinitiator), according to GB\/T 41764-2022 \u2018Determination of the content of photoinitiators in radiation-curing coatings Gas Chromatography-Mass Spectrometry Method\u2019 in 3.1 described as: a substance that can absorb radiant energy, and undergoes chemical changes by excitation, generating reactive intermediates (free radicals or cations) with the ability to initiate polymerisation. 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