{"id":5792,"date":"2022-12-15T13:31:42","date_gmt":"2022-12-15T13:31:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5792"},"modified":"2026-04-28T11:19:24","modified_gmt":"2026-04-28T11:19:24","slug":"effect-of-plasticizers-in-inks-on-adhesion","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/it\/effect-of-plasticizers-in-inks-on-adhesion\/","title":{"rendered":"Qual \u00e8 l'effetto dei plastificanti negli inchiostri sull'adesione?"},"content":{"rendered":"<h1><strong>Qual \u00e8 l'effetto dei plastificanti negli inchiostri sull'adesione?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Risposta rapida:<\/strong> Per quanto riguarda i plastificanti, gli acquirenti solitamente confrontano flessibilit\u00e0, comportamento di migrazione, idoneit\u00e0 al processo e conformit\u00e0, poich\u00e9 i requisiti di utilizzo finale possono variare notevolmente tra prodotti a contatto con gli alimenti, materie plastiche flessibili e prodotti industriali generici.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Gli inchiostri con un contenuto troppo elevato di plastificanti o con un basso peso molecolare dei leganti possono diventare morbidi e appiccicosi dopo l'essiccazione e, una volta che la superficie dell'inchiostro diventa troppo morbida, si pu\u00f2 verificare l'adesione. Gli inchiostri nitro contengono spesso grandi quantit\u00e0 di plastificanti e i formulatori di inchiostri devono controllare il rapporto tra plastificanti e fibre nitro. Inoltre, il contenuto di plastificanti nella formulazione dell'inchiostro deve essere preso in considerazione quando si sceglie una resina modificata. Nel caso del legame indotto da plastificanti, un'alta percentuale di plastificanti comporta un alto grado di ritenzione del solvente; lo strato di inchiostro stampato diventa pi\u00f9 morbido e si ammorbidisce con il tempo.<\/p>\n<h2><strong>Qual \u00e8 lo scopo dell'aggiunta di plastificante all'inchiostro da stampa rotocalco per plastica?<\/strong><\/h2>\n<p>Per migliorare l'adesione tra l'inchiostro e la pellicola e ridurre il danneggiamento dello strato di inchiostro da parte della colla durante la laminazione.<\/p>\n<h2><\/h2>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Come gli acquirenti valutano solitamente i plastificanti e i modificatori di flessibilit\u00e0<\/h2>\n<p>L&#039;approvvigionamento di plastificanti di solito procede pi\u00f9 agevolmente quando, prima di negoziare il prezzo, vengono valutati l&#039;esposizione dell&#039;utente finale, il limite di migrazione e il processo di lavorazione. Questo generalmente fornisce una risposta pi\u00f9 chiara su quale metodo, tra ftalato, tereftalato o citrato, sia commercialmente pi\u00f9 vantaggioso.<\/p>\n<ul>\n<li><strong>Partiamo dalle esigenze dell&#039;utente finale:<\/strong> Le materie plastiche destinate al contatto con gli alimenti, ai giocattoli, ai dispositivi medici e all&#039;industria in generale richiedono priorit\u00e0 di controllo diverse.<\/li>\n<li><strong>Rivedere la questione della migrazione e della permanenza:<\/strong> La flessibilit\u00e0 da sola non basta se l&#039;applicazione \u00e8 sensibile all&#039;estrazione, alla volatilit\u00e0 o alle perdite a lungo termine.<\/li>\n<li><strong>Verificare l&#039;adeguatezza del processo:<\/strong> Compatibilit\u00e0, effetto viscosit\u00e0 e stabilit\u00e0 termica sono fattori che spesso determinano la facilit\u00e0 di utilizzo di un plastificante su larga scala.<\/li>\n<\/ul>\n<h3>Riferimenti prodotto consigliati<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> Un pratico riferimento sui plastificanti non ftalati, utile per discussioni relative al contatto con gli alimenti e alla conformit\u00e0 normativa.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> Un parametro di riferimento comune per i plastificanti a base di tereftalato, quando si cerca di bilanciare processabilit\u00e0, profilo di migrazione e requisiti di conformit\u00e0.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/dbp-dibutyl-phthalate-cas-84-74-2\/\">CHLUMIFLEX DBP<\/a>:<\/strong> Un punto di riferimento convenzionale per il confronto con i plastificanti quando si esaminano i metodi di formulazione storici o le scelte di sostituzione.<\/li>\n<\/ul>\n<h3>FAQ per acquirenti e formulatori<\/h3>\n<p><strong>Perch\u00e9 un plastificante a basso costo non \u00e8 sempre la scelta migliore in termini di approvvigionamento?<\/strong><br \/>Perch\u00e9 la conformit\u00e0, il profilo di migrazione e la stabilit\u00e0 del processo possono rapidamente superare la differenza di prezzo unitario.<\/p>\n<p><strong>La scelta del plastificante dovrebbe basarsi esclusivamente sulla flessibilit\u00e0?<\/strong><br \/>Di solito no. La scelta migliore deve anche essere in linea con le aspettative di migrazione, il comportamento termico e lo standard di utilizzo finale effettivo.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Contattateci ora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se avete bisogno di COA, MSDS o TDS di plastificanti, inserite i vostri dati di contatto nel modulo sottostante; di solito vi contatteremo entro 24 ore.<\/b><\/strong> Potete anche inviarmi un'e-mail <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #0000ff;\">info@longchangchemical.com<\/span><\/a> durante l'orario di lavoro (dalle 8:30 alle 18:00 UTC+8 lun.-sab.) o utilizzare la live chat del sito web per ottenere una risposta immediata.<\/h4>","protected":false},"excerpt":{"rendered":"<p>Inks with too high a plasticizer content or low linker molecular weight may become soft and sticky after drying, and once the ink surface becomes too soft, adhesion can occur.<\/p>","protected":false},"author":1,"featured_media":3442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5792","post","type-post","status-publish","format-standard","has-post-thumbnail","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>What is the effect of plasticizers in inks on adhesion? 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