{"id":8877,"date":"2025-09-12T08:43:00","date_gmt":"2025-09-12T08:43:00","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=8877"},"modified":"2026-04-27T11:18:16","modified_gmt":"2026-04-27T11:18:16","slug":"pigments-inks","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/it\/pigments-inks\/","title":{"rendered":"Pigmenti e inchiostri"},"content":{"rendered":"<h1><strong>Pigmenti e inchiostri<\/strong><\/h1>\r\nI pigmenti sono un componente essenziale dell'inchiostro e la sostanza chiave che forma la pellicola nello strato di inchiostro. Non solo conferiscono all'inchiostro colori ricchi e decorativi e garantiscono la copertura del substrato stampato, ma migliorano anche le propriet\u00e0 fisiche dello strato di inchiostro. Questi miglioramenti comprendono una maggiore resistenza meccanica, una maggiore resistenza alla corrosione e una minore permeabilit\u00e0 all'aria e all'acqua. Alcuni pigmenti speciali conferiscono inoltre propriet\u00e0 funzionali all'inchiostro, come la fluorescenza e gli effetti antistatici, svolgendo un ruolo centrale nella realizzazione di formulazioni di inchiostro multifunzionali.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8879\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-1-1-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\nIn genere, valutiamo le prestazioni dei pigmenti in base a parametri quali la forza colorante, il potere coprente, la resistenza alla luce, la resistenza agli agenti atmosferici, la resistenza allo sfarinamento, la resistenza al calore e la resistenza agli acidi e agli alcali.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Forza tintometrica<\/b><\/strong>\r\n\r\nIl potere colorante si riferisce all'intensit\u00e0 del colore prodotto quando un pigmento viene miscelato con un altro. Pi\u00f9 forte \u00e8 il potere colorante, meno pigmento \u00e8 necessario. Ad esempio, il pigmento ultramarino viene spesso aggiunto all'inchiostro bianco per neutralizzare i toni gialli; pi\u00f9 forte \u00e8 il potere colorante dell'ultramarino, minore \u00e8 la quantit\u00e0 necessaria.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8878\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/1-6-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\n<strong><b>Opacit\u00e0<\/b><\/strong>\r\n\r\nL'opacit\u00e0 si riferisce alla capacit\u00e0 dell'inchiostro di nascondere il colore sottostante dopo la stampa sulla superficie di un substrato. Per i pigmenti, l'opacit\u00e0 si manifesta nella capacit\u00e0 del pigmento all'interno dello strato di inchiostro di oscurare efficacemente il substrato, impedendo al colore di base di trasparire. Questa propriet\u00e0 \u00e8 tipicamente espressa in grammi di pigmento necessari per coprire un metro quadrato di superficie.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Resistenza alla luce e agli agenti atmosferici<\/b><\/strong>\r\n\r\nI pigmenti possono subire cambiamenti di colore e di propriet\u00e0 quando sono esposti alla luce solare e alle condizioni atmosferiche. La solidit\u00e0 alla luce e la resistenza agli agenti atmosferici indicano la capacit\u00e0 di resistere a tali alterazioni. Questa propriet\u00e0 \u00e8 particolarmente importante per gli inchiostri per esterni. Ad esempio, i pigmenti di mica, ossido di ferro e polvere di alluminio assorbono i raggi ultravioletti, migliorando notevolmente la resistenza agli agenti atmosferici dello strato di inchiostro.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Gessatura<\/b><\/strong>\r\n\r\nLo sfarinamento si verifica quando il legante dello strato di inchiostro si rompe a causa della decomposizione fotochimica, provocando la separazione dei pigmenti dallo strato di inchiostro e la formazione di polvere. Questo non solo influisce sull'aspetto, ma riduce anche la funzione protettiva dello strato di inchiostro.\r\n\r\n<strong><b><img decoding=\"async\" class=\"alignnone size-full wp-image-8880\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/2-6-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>Resistenza al calore<\/b><\/strong>\r\n\r\nSi riferisce alla capacit\u00e0 di un pigmento di mantenere la stabilit\u00e0 del colore in condizioni di alta temperatura. Per gli inchiostri che richiedono una cottura ad alta temperatura (come lo smalto cotto), la resistenza al calore \u00e8 un indicatore fondamentale.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Resistenza agli acidi e agli alcali<\/b><\/strong>\r\n\r\nSi riferisce alla capacit\u00e0 di un pigmento di mantenere il suo colore originale in ambienti acidi o alcalini. Ad esempio, i pigmenti utilizzati negli inchiostri a base d'acqua devono possedere un'eccellente resistenza agli alcali.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Classificazione dei pigmenti<\/b><\/strong>\r\n\r\nI pigmenti sono diversi e possono essere classificati in quattro tipi principali in base alla loro funzione nell'inchiostro: pigmenti coloranti, pigmenti antiruggine, pigmenti estensori e pigmenti speciali.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmenti coloranti<\/b><\/strong>\r\n\r\nQuesta categoria di pigmenti offre diversi colori, utilizzati principalmente per fornire colore e copertura, migliorando al contempo la durata e la resistenza all'abrasione delle pellicole di inchiostro. In base al colore, sono suddivisi in nove gruppi principali: giallo, rosso, arancione, viola, blu, verde, bianco, nero e metallizzato. Le variet\u00e0 pi\u00f9 comuni includono: giallo cromo, giallo ferro, giallo lightfast, rosso antimonio, rosso toluidina, blu ferro, blu ftalocianina, ossido di zinco, bianco titanio, nero carbone, verde ossido di cromo, polvere di alluminio e polvere di rame.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8881\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/3-4-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n\r\n<strong><b>Pigmenti antiruggine<\/b><\/strong>\r\n\r\nAnti-rust pigments are categorized into physical and chemical types, serving as essential components of anti-rust inks.\r\n\r\nPhysical anti-rust pigments, such as iron oxide red, feature stable chemical properties and fine particles that enhance ink layer density while blocking moisture and oxygen. Aluminum powder, with its flake-like structure, improves ink layer sealing and reflects ultraviolet rays to delay aging.\r\n\r\nChemical rust-proof pigments like red lead, zinc chromate yellow, and zinc powder achieve rust prevention through chemical reactions.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmenti estensori<\/b><\/strong>\r\n\r\nConosciuti anche come pigmenti di riempimento, sono spesso derivati da minerali naturali o da sottoprodotti industriali e offrono costi inferiori. Con indici di rifrazione simili a quelli degli oli o delle resine, non hanno potere colorante o coprente. Le loro funzioni principali includono l'aumento dello spessore dello strato di inchiostro, l'incremento della durezza e della resistenza all'abrasione, il miglioramento delle propriet\u00e0 di sospensione e livellamento e l'ottimizzazione della struttura dell'inchiostro per aumentare la resistenza all'invecchiamento. L'uso di pigmenti estensori aiuta anche a controllare i costi dell'inchiostro, evitando la ridondanza funzionale con i pigmenti coloranti.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Pigmenti speciali<\/b><\/strong>\r\n<ul>\r\n \t<li><strong><b>Pigmenti ad effetto:<\/b><\/strong>Come i pigmenti che cambiano colore in base all'angolo, che fanno s\u00ec che gli strati di inchiostro presentino variazioni di colore e luminosit\u00e0 a diversi angoli di visione. Sono comunemente utilizzati nei rivestimenti per autoveicoli e nella stampa di imballaggi di fascia alta.<\/li>\r\n \t<li><strong><b> Pigmenti fluorescenti: <\/b><\/strong>Divisi in inorganici e organici, emettono un'intensa fluorescenza. Ampiamente utilizzati nella pubblicit\u00e0 e nella segnaletica di sicurezza.<\/li>\r\n \t<li><strong><b>Riempitivi antistatici:<\/b><\/strong>Utilizzati negli inchiostri antistatici, sono favoriti dal loro basso costo e dalla facilit\u00e0 di applicazione, che li rende ampiamente adottati nella produzione di elettronica e negli imballaggi in plastica.<\/li>\r\n<\/ul>\r\n&nbsp;\r\n\r\nVale la pena notare che oggi i consumatori danno sempre pi\u00f9 importanza alla sicurezza dei prodotti. Nel settore della cura delle unghie, CHROM\u00c9CLAIR <a href=\"http:\/\/chromeclair.com\/product\/cat-eye-gel-polish-hema-free-and-tpo-free-ce02\/\">Smalto gel per occhi di gatto senza HEMA<\/a> esemplifica questa tendenza.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8882\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/4-4-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>I loro prodotti sono caratterizzati da sicurezza, bassa irritazione ed ecocompatibilit\u00e0, privi di ingredienti dannosi o irritanti per proteggere la salute delle unghie. Questo impegno per la sicurezza degli ingredienti e la responsabilit\u00e0 ambientale si allinea perfettamente con il pi\u00f9 ampio cambiamento del settore verso pratiche pi\u00f9 sane e sostenibili nei settori dei pigmenti e degli inchiostri.\n\n\n<p><strong>Related product references:<\/strong> For formulation review or sourcing comparison, see <a href=\"https:\/\/changhongchemical.com\/product\/hema-free-tpo-free-gel-polish\/\">CHROM\u00c9CLAIR HEMA-free &amp; TPO-free Gel Polish<\/a> e <a href=\"https:\/\/changhongchemical.com\/product\/chluminit-tmo-photoinitiator-cas-270586-78-2\/\">CHLUMINIT TMO<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but&#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-8877","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>Pigments &amp; Inks<\/title>\n<meta name=\"description\" content=\"Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but also enhance the physical properties of the ink layer. These improvements include increased mechanical strength, enhanced corrosion resistance, and reduced permeability to air and water. Certain specialty pigments further confer functional properties to the ink, such as fluorescence and antistatic effects, playing a central role in achieving multifunctional ink formulations.\" \/>\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\/it\/pigments-inks\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pigments &amp; Inks\" \/>\n<meta property=\"og:description\" content=\"Pigments are a vital component of ink and the key film-forming substance in the ink layer. They not only impart rich decorative colors to the ink and provide coverage over the printed substrate, but also enhance the physical properties of the ink layer. These improvements include increased mechanical strength, enhanced corrosion resistance, and reduced permeability to air and water. 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Non solo conferiscono all'inchiostro colori ricchi e decorativi e garantiscono la copertura del substrato stampato, ma migliorano anche le propriet\u00e0 fisiche dello strato di inchiostro. Questi miglioramenti comprendono una maggiore resistenza meccanica, una maggiore resistenza alla corrosione e una minore permeabilit\u00e0 all'aria e all'acqua. Alcuni pigmenti speciali conferiscono inoltre propriet\u00e0 funzionali all'inchiostro, come la fluorescenza e gli effetti antistatici, svolgendo un ruolo centrale nella realizzazione di formulazioni di inchiostro multifunzionali.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/changhongchemical.com\/it\/pigments-inks\/","og_locale":"it_IT","og_type":"article","og_title":"Pigments & Inks","og_description":"Pigments are a vital component of ink and the key film-forming substance in the ink layer. 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