{"id":5087,"date":"2022-02-24T14:42:21","date_gmt":"2022-02-24T14:42:21","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5087"},"modified":"2026-04-28T10:41:56","modified_gmt":"2026-04-28T10:41:56","slug":"ink-additives-dcpd-hydrogenated-petroleum-resins","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/ink-additives-dcpd-hydrogenated-petroleum-resins\/","title":{"rendered":"Additifs pour encres UV - R\u00e9sines p\u00e9troli\u00e8res hydrog\u00e9n\u00e9es DCPD"},"content":{"rendered":"<h1><strong>Additifs pour encres UV - R\u00e9sines p\u00e9troli\u00e8res hydrog\u00e9n\u00e9es DCPD<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> Surface-control additives are usually selected by defect type, compatibility, and dosage window. The strongest commercial choice is the one that fixes the real problem without creating a new one.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Dans la composition des encres d'imprimerie, on trouve souvent des polym\u00e8res ou des condensats de certains compos\u00e9s organiques. Aujourd'hui, nous allons donc analyser quelques connaissances sur la r\u00e9sine dans les encres d'imprimerie :<\/p>\n<p>(1) Solubilit\u00e9 et lib\u00e9ration de la r\u00e9sine de p\u00e9trole. La solubilit\u00e9 d\u00e9signe la capacit\u00e9 d'une r\u00e9sine \u00e0 \u00eatre dissoute dans divers solvants. Dans la fabrication des encres, les r\u00e9sines sont g\u00e9n\u00e9ralement appliqu\u00e9es \u00e0 l'\u00e9tat liquide, de sorte que les r\u00e9sines solides doivent avoir une certaine solubilit\u00e9 pour \u00eatre appliqu\u00e9es. Certaines r\u00e9sines d\u00e9j\u00e0 liquides doivent \u00e9galement \u00eatre dissoutes dans un solvant pour r\u00e9duire leur viscosit\u00e9 avant de pouvoir \u00eatre utilis\u00e9es en raison de leur viscosit\u00e9 excessive. La solubilit\u00e9 est donc une propri\u00e9t\u00e9 importante de la r\u00e9sine.<\/p>\n<p>Le d\u00e9gagement fait r\u00e9f\u00e9rence \u00e0 la capacit\u00e9 de s\u00e9parer le solvant de la r\u00e9sine dissoute dans le solvant. Apr\u00e8s l'impression de l'encre, le solvant est s\u00e9par\u00e9 de la r\u00e9sine, ce qui permet \u00e0 cette derni\u00e8re de se g\u00e9lifier et de s\u00e9cher. La propri\u00e9t\u00e9 antiadh\u00e9sive de la r\u00e9sine de p\u00e9trole est li\u00e9e \u00e0 sa solubilit\u00e9. Une r\u00e9sine de p\u00e9trole bien soluble ne favorise pas la s\u00e9paration du solvant de la r\u00e9sine de p\u00e9trole, de sorte que la propri\u00e9t\u00e9 de lib\u00e9ration est faible. La r\u00e9sine de p\u00e9trole \u00e9tant dissoute \u00e0 l'\u00e9tat liquide et lib\u00e9r\u00e9e \u00e0 l'\u00e9tat solide, cette forme de conversion est utilis\u00e9e dans l'imprimerie. La solubilit\u00e9 de la r\u00e9sine doit donc \u00eatre suffisante pour assurer un bon \u00e9quilibre entre sa solubilit\u00e9 et sa lib\u00e9ration.<\/p>\n<p>(2) Point de ramollissement de la r\u00e9sine de p\u00e9trole. La r\u00e9sine solide se ramollit progressivement avec l'augmentation de la temp\u00e9rature, augmente sa plasticit\u00e9 et devient liquide. Le point de ramollissement fait r\u00e9f\u00e9rence \u00e0 la temp\u00e9rature sp\u00e9cifi\u00e9e lorsque la r\u00e9sine devient un liquide visqueux au cours du processus de ramollissement. Cette temp\u00e9rature est appel\u00e9e temp\u00e9rature d'\u00e9coulement. Le point de ramollissement augmente avec la masse mol\u00e9culaire relative de la r\u00e9sine. D'une mani\u00e8re g\u00e9n\u00e9rale, plus le point de ramollissement de la r\u00e9sine est \u00e9lev\u00e9, plus la lib\u00e9ration du solvant est forte. Cette caract\u00e9ristique est particuli\u00e8rement marqu\u00e9e pour les r\u00e9sines de m\u00eame composition chimique. Par cons\u00e9quent, la r\u00e9sine utilis\u00e9e dans l'encre doit de pr\u00e9f\u00e9rence avoir un point de ramollissement plus \u00e9lev\u00e9.<\/p>\n<p>(3) La viscosit\u00e9 de la r\u00e9sine de p\u00e9trole. La viscosit\u00e9 fait r\u00e9f\u00e9rence \u00e0 la viscosit\u00e9 de la solution de la r\u00e9sine dans des conditions sp\u00e9cifiques, ou \u00e0 la viscosit\u00e9 de la solution. La viscosit\u00e9 de la r\u00e9sine est li\u00e9e \u00e0 la masse mol\u00e9culaire relative, \u00e0 la solubilit\u00e9, \u00e0 la temp\u00e9rature de la solution et \u00e0 la quantit\u00e9 de solvant de la r\u00e9sine.<\/p>\n<p>(4) Indice d'acidit\u00e9 de la r\u00e9sine de p\u00e9trole. De nombreuses r\u00e9sines utilis\u00e9es dans les encres sont form\u00e9es par condensation d'acides organiques tels que les acides r\u00e9siniques, les acides gras, les acides aromatiques et d'autres compos\u00e9s. Par cons\u00e9quent, la r\u00e9sine contient des groupes carboxyles qui n'ont pas r\u00e9agi, ce qui lui conf\u00e8re un certain indice d'acidit\u00e9.<\/p>\n<p>(5) Couleur et transparence de la r\u00e9sine de p\u00e9trole. La couleur de la r\u00e9sine est due \u00e0 diverses impuret\u00e9s pigmentaires dans la r\u00e9sine, qui sont li\u00e9es \u00e0 la nature, \u00e0 la puret\u00e9 et au processus de synth\u00e8se de la mati\u00e8re premi\u00e8re de la r\u00e9sine. Les r\u00e9sines sont g\u00e9n\u00e9ralement jaune p\u00e2le.<\/p>\n<p>La transparence est li\u00e9e \u00e0 l'humidit\u00e9 et \u00e0 d'autres impuret\u00e9s m\u00e9lang\u00e9es \u00e0 la r\u00e9sine de p\u00e9trole. La transparence affecte la solubilit\u00e9 des r\u00e9sines, et les r\u00e9sines peu transparentes sont peu solubles.<\/p>\n<p>&nbsp;<\/p>\n<p>La r\u00e9sine de p\u00e9trole hydrog\u00e9n\u00e9e DCPD est principalement compos\u00e9e de dicyclopentadi\u00e8ne, etc. Gr\u00e2ce \u00e0 un processus sp\u00e9cial, dans certaines conditions de temp\u00e9rature et de pression, le polym\u00e8re de faible poids mol\u00e9culaire g\u00e9n\u00e9r\u00e9 par la r\u00e9action de polym\u00e9risation, apr\u00e8s pr\u00e9traitement, polym\u00e9risation, hydrog\u00e9nation, raffinage et autres processus, est un produit de post-production.<\/p>\n<p>Caract\u00e9ristiques<\/p>\n<p>Il est blanc ou jaune clair, a une bonne viscosit\u00e9, une bonne compatibilit\u00e9, une bonne stabilit\u00e9 thermique et une bonne stabilit\u00e9 \u00e0 la lumi\u00e8re, et peut am\u00e9liorer les performances de collage des adh\u00e9sifs, et mieux r\u00e9soudre les probl\u00e8mes d'odeur, de chroma et de stabilit\u00e9 des r\u00e9sines de p\u00e9trole. Il pr\u00e9sente une bonne compatibilit\u00e9 avec les esters et les solvants de polyur\u00e9thane, une bonne compatibilit\u00e9 avec les r\u00e9sines \u00e9poxy dans les solvants d'ester et un bon taux de durcissement pour les r\u00e9sines \u00e9poxy. Il peut \u00eatre utilis\u00e9 comme modificateur et peut r\u00e9duire le co\u00fbt des rev\u00eatements, r\u00e9duire la force de retrait de la r\u00e9sine \u00e9poxy, am\u00e9liorer l'adh\u00e9rence du rev\u00eatement, am\u00e9liorer la perm\u00e9abilit\u00e9 du rev\u00eatement au ciment et \u00e0 l'acier, am\u00e9liorer la mouillabilit\u00e9 du pigment et am\u00e9liorer le nivellement du film de rev\u00eatement. Elle a un point de ramollissement \u00e9lev\u00e9 et une bonne compatibilit\u00e9. L'ajout de cette r\u00e9sine \u00e0 l'encre peut jouer un r\u00f4le dans le d\u00e9veloppement de la couleur, le s\u00e9chage rapide, l'\u00e9claircissement et l'am\u00e9lioration des performances d'impression.<\/p>\n<p>Domaine d'application<\/p>\n<p>La r\u00e9sine de p\u00e9trole hydrog\u00e9n\u00e9e DCPD est principalement utilis\u00e9e pour les produits en caoutchouc haut de gamme, les pneus radiaux, les pneus de course, les pneus en biais, les chambres \u00e0 air et d'autres m\u00e9langes de caoutchouc.<\/p>\n<p>Utilis\u00e9 dans les peintures marines, les peintures nitro, les peintures alkydes, les r\u00e9sines \u00e9poxy, les peintures polyester, etc., ainsi que dans les adh\u00e9sifs, l'ing\u00e9nierie \u00e9lectrique et d'autres industries connexes.<\/p>\n<p>Utilis\u00e9 pour l'encre d'imprimerie, l'encre d'h\u00e9liogravure, l'encre d'impression sur cuivre et d'autres encres de haute qualit\u00e9.<\/p>\n<p>Largement utilis\u00e9 dans la structure et la d\u00e9coration de l'industrie de la construction, l'assemblage automobile, les pneus, l'emballage des produits de base, la reliure, les produits sanitaires (serviettes hygi\u00e9niques, couches pour b\u00e9b\u00e9s, etc.), la cordonnerie et d'autres industries.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/fr\/product\/refined-c5-petroleum-resin-for-adhesives\/\">R\u00e9sine de p\u00e9trole C5 raffin\u00e9e pour adh\u00e9sifs<\/a><\/strong><\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/fr\/product\/refined-c5-petroleum-resin-for-hot-melt-road-marking-paint\/\">R\u00e9sine de p\u00e9trole C5 raffin\u00e9e pour peinture de marquage routier thermofusible<\/a><\/strong><\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/fr\/product\/refined-c5-petroleum-resin-for-tire-rubber-compounding\/\">R\u00e9sine de p\u00e9trole C5 raffin\u00e9e pour le m\u00e9lange de caoutchouc de pneu<\/a><\/strong><\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection checklist for wetting, leveling, and defoaming additives<\/h2>\n<p>Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.<\/p>\n<ul>\n<li><strong>Start from the defect, not the additive name:<\/strong> wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.<\/li>\n<li><strong>Check compatibility at the intended dosage:<\/strong> the strongest additive can still be the wrong commercial choice if it narrows the process window too much.<\/li>\n<li><strong>Review the stage of use:<\/strong> some products are most useful during grind, while others matter more during let-down, filling, or final application.<\/li>\n<li><strong>Balance cure or film quality with defect control:<\/strong> the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why does an additive that looks powerful in a beaker sometimes fail in production?<\/strong><br \/>Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.<\/p>\n<p><strong>Should the most aggressive additive always be preferred?<\/strong><br \/>Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de COA MSDS TDS et de prix. Vous pouvez m'envoyer un courriel <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a> pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Fri. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>In the composition of printing inks, there are often polymers or condensates of some organic compounds. So today we will analyze some knowledge of resin in printing ink: (1) Solubility<\/p>","protected":false},"author":1,"featured_media":5090,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-5087","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soresyn-resin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UV Ink Additives - DCPD Hydrogenated Petroleum Resins - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"In the composition of printing inks, there are often polymers or condensates of some organic compounds. 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