{"id":5647,"date":"2022-10-03T12:58:35","date_gmt":"2022-10-03T12:58:35","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5647"},"modified":"2022-10-03T12:58:35","modified_gmt":"2022-10-03T12:58:35","slug":"why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/it\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/","title":{"rendered":"Perch\u00e9 \u00e8 necessario aggiungere un inibitore di polimerizzazione ai rivestimenti fotopolimerizzabili?"},"content":{"rendered":"<h1><strong>Perch\u00e9 \u00e8 necessario aggiungere un inibitore di polimerizzazione ai rivestimenti fotopolimerizzabili?<\/strong><\/h1>\n<p>Nel processo di produzione dei rivestimenti, alcuni tipi di rivestimenti contengono sostanze ad alta attivit\u00e0 di polimerizzazione, facili da essere influenzate da fattori esterni e dalla polimerizzazione; per i rivestimenti fotopolimerizzabili, ad esempio, la composizione principale degli oligomeri e dei diluenti attivi dei rivestimenti fotopolimerizzabili \u00e8 costituita da acrilati ad alta attivit\u00e0 di polimerizzazione, un'altra importante composizione di fotoiniziatori ed estremamente facile da produrre radicali liberi o cationi di sostanze. In un sistema cos\u00ec miscelato, \u00e8 molto facile polimerizzare a causa dell'influenza della luce esterna e del calore, per cui \u00e8 necessario aggiungere la giusta quantit\u00e0 di inibitore della polimerizzazione. Questo articolo presenta ai lettori le caratteristiche e le applicazioni degli inibitori di polimerizzazione.<\/p>\n<p>L'inibitore della polimerizzazione impedisce la polimerizzazione degli additivi. L'inibitore della polimerizzazione pu\u00f2 terminare tutti i radicali liberi, in modo da arrestare completamente la reazione di polimerizzazione. Gli inibitori della polimerizzazione comunemente utilizzati sono fenoli, ammine aromatiche, composti nitro aromatici, ecc. L'ossigeno presente nell'aria \u00e8 un buon inibitore della polimerizzazione, perch\u00e9 l'ossigeno stesso \u00e8 un doppio radicale, molto facile da combinare con i radicali liberi, genera radicali perossidi, l'attivit\u00e0 di iniziazione \u00e8 notevolmente ridotta e infine genera oligomeri alternati di legame tra monomero e perossido. Gli inibitori della polimerizzazione dei rivestimenti fotoindurenti sono principalmente fenoli, come il p-idrossianisolo, l'idrochinone e il 2,6-di-terz-butil-p-cresolo. A causa dell'aggiunta di idrochinone, che a volte provoca l'imbrunimento del colore del sistema, spesso non vengono utilizzati. Ma gli inibitori fenolici della polimerizzazione devono essere in presenza di ossigeno per mostrare l'effetto di blocco della polimerizzazione.<\/p>\n<p>In presenza di inibitori fenolici della polimerizzazione, in modo che i radicali perossidi siano rapidamente terminati per garantire una concentrazione sufficiente di ossigeno nel sistema, prolungando il tempo di blocco. Pertanto, oltre all'aggiunta di inibitori fenolici della polimerizzazione per migliorare la stabilit\u00e0 di stoccaggio, dobbiamo anche prestare attenzione allo stoccaggio della vernice nel contenitore non pu\u00f2 essere troppo pieno, per garantire che ci sia abbastanza ossigeno.<\/p>","protected":false},"excerpt":{"rendered":"<p>Perch\u00e9 \u00e8 necessario aggiungere un inibitore di polimerizzazione ai rivestimenti fotopolimerizzabili? Nel processo di produzione dei rivestimenti, alcuni tipi di rivestimenti contengono sostanze ad alta attivit\u00e0 di polimerizzazione, facili da essere influenzate da fattori esterni e dalla polimerizzazione, ad esempio, la composizione principale dei rivestimenti fotopolimerizzanti oligomeri e diluenti attivi sono ad alta [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5647","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why is it necessary to add a polymerization inhibitor to light-curing coatings? - 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\/it\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why is it necessary to add a polymerization inhibitor to light-curing coatings? - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Why is it necessary to add a polymerization inhibitor to light-curing coatings? In the production process of coatings, some types of coatings contain high polymerization activity of substances, easy to be affected by external factors and polymerization, to light-curing coatings, for example, the main composition of light-curing coatings oligomers and active diluents are high polymerization [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/it\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-03T12:58:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/02\/logo-jpeg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Longchang Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\"},\"author\":{\"name\":\"Longchang Chemical\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/ecb1ad846136c6f1ca534b62978c6a8e\"},\"headline\":\"Why is it necessary to add a polymerization inhibitor to light-curing coatings?\",\"datePublished\":\"2022-10-03T12:58:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\"},\"wordCount\":324,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"articleSection\":[\"Catalysts &amp; Chemical Auxiliary Agents\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\",\"url\":\"https:\/\/longchangchemical.com\/why-is-it-necessary-to-add-a-polymerization-inhibitor-to-light-curing-coatings\/\",\"name\":\"Why is it necessary to add a polymerization inhibitor to light-curing coatings? 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