{"id":10371,"date":"2026-06-30T04:42:27","date_gmt":"2026-06-30T04:42:27","guid":{"rendered":"https:\/\/longchangchemical.com\/wetting-additives-coatings-inks\/"},"modified":"2026-06-30T04:43:20","modified_gmt":"2026-06-30T04:43:20","slug":"wetting-additives-coatings-inks","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/wetting-additives-coatings-inks\/","title":{"rendered":"Comment choisir les additifs mouillants pour les rev\u00eatements, les encres et les supports difficiles"},"content":{"rendered":"<p><strong>R\u00e9ponse rapide :<\/strong> Il convient de choisir des agents mouillants lorsque le probl\u00e8me principal est <strong>comment le rev\u00eatement ou l&#039;encre s&#039;\u00e9tale sur le substrat<\/strong>, sauf lorsque le probl\u00e8me principal concerne la stabilit\u00e9 des pigments ou le nivellement final de la surface. Si le syst\u00e8me se r\u00e9tracte sur film, peine \u00e0 adh\u00e9rer au plastique ou au m\u00e9tal, pr\u00e9sente une mauvaise couverture des bords ou a du mal \u00e0 mouiller les surfaces \u00e0 faible \u00e9nergie de surface, la premi\u00e8re s\u00e9lection devrait g\u00e9n\u00e9ralement commencer par un <a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/coating-and-ink-additives\/wetting-agent\/\">Agent mouillant CHLUMICRYL\u00ae<\/a> itin\u00e9raire.<\/p>\n<p>Ceci est important car les probl\u00e8mes de couverture du substrat sont souvent confondus avec une faiblesse g\u00e9n\u00e9rale de la formulation. En pratique, de nombreux syst\u00e8mes de rev\u00eatement et d&#039;encre \u00e9chouent non pas \u00e0 cause d&#039;une r\u00e9sine inad\u00e9quate, mais parce que le liquide ne s&#039;\u00e9tale pas, ne s&#039;ancre pas ou ne couvre pas la surface de mani\u00e8re stable.<\/p>\n<h2>Quels sont les avantages des agents mouillants dans les rev\u00eatements et les encres ?<\/h2>\n<p>Les additifs mouillants sont particuli\u00e8rement utiles lorsque la pression dominante de la formulation est <strong>comportement du substrat<\/strong>Les signes d&#039;alerte courants du c\u00f4t\u00e9 de l&#039;acheteur comprennent\u00a0:<\/p>\n<ul>\n<li><strong>Mauvaise diffusion :<\/strong> le rev\u00eatement ou l&#039;encre perle au lieu de former un film net.<\/li>\n<li><strong>Retrait du bord :<\/strong> Le mat\u00e9riau se retire des coins, des bordures ou des zones de petits caract\u00e8res.<\/li>\n<li><strong>Surfaces difficiles en film ou en plastique\u00a0:<\/strong> Les substrats \u00e0 faible \u00e9nergie de surface r\u00e9sistent \u00e0 une couverture uniforme.<\/li>\n<li><strong>Aspect d\u00e9coratif irr\u00e9gulier :<\/strong> Le syst\u00e8me ne s&#039;applique pas de mani\u00e8re uniforme sur le m\u00e9tal, le plastique ou les supports rev\u00eatus.<\/li>\n<li><strong>Instabilit\u00e9 du processus :<\/strong> Les r\u00e9sultats d&#039;impression et de rev\u00eatement varient trop lorsque la tension superficielle change d&#039;un lot \u00e0 l&#039;autre.<\/li>\n<\/ul>\n<p>Si l&#039;un de ces probl\u00e8mes est principal, les additifs mouillants doivent \u00eatre ajout\u00e9s en d\u00e9but de processus.<\/p>\n<h2>Quand choisir les additifs mouillants avant les autres types d&#039;additifs<\/h2>\n<table>\n<thead>\n<tr>\n<th>Probl\u00e8me observ\u00e9<\/th>\n<th>Meilleure premi\u00e8re direction additive<\/th>\n<th>Pourquoi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Mauvaise adh\u00e9rence sur plastique, film ou m\u00e9tal<\/td>\n<td>Additif mouillant<\/td>\n<td>Le goulot d&#039;\u00e9tranglement est la couverture du substrat, et non le contr\u00f4le des pigments ou de la brillance.<\/td>\n<\/tr>\n<tr>\n<td>Retrait des bords ou couverture de bordure in\u00e9gale<\/td>\n<td>Additif mouillant<\/td>\n<td>Le comportement de la couverture doit \u00eatre corrig\u00e9 avant un r\u00e9glage plus large de la surface.<\/td>\n<\/tr>\n<tr>\n<td>Faible stabilit\u00e9 des pigments ou d\u00e9rive de couleur<\/td>\n<td>Dispersant<\/td>\n<td>Le probl\u00e8me r\u00e9side dans la gestion des pigments plut\u00f4t que dans le mouillage du substrat.<\/td>\n<\/tr>\n<tr>\n<td>Mauvaise fluidit\u00e9 ou uniformit\u00e9 de brillance apr\u00e8s une bonne application<\/td>\n<td>Additif de nivellement<\/td>\n<td>Le probl\u00e8me principal r\u00e9side dans le d\u00e9p\u00f4t en surface, et non dans l&#039;\u00e9pandage.<\/td>\n<\/tr>\n<tr>\n<td>Besoins extr\u00eames en mati\u00e8re de r\u00e9pulsion ou de contr\u00f4le des d\u00e9fauts.<\/td>\n<td>Tensioactif \u00e0 base de fluor<\/td>\n<td>Un itin\u00e9raire de contr\u00f4le de surface plus sp\u00e9cialis\u00e9 pourrait \u00eatre n\u00e9cessaire<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Si vous avez d&#039;abord besoin d&#039;une vue d&#039;ensemble plus d\u00e9taill\u00e9e, commencez par la page de pr\u00e9sentation en direct. <a href=\"https:\/\/longchangchemical.com\/fr\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae Additifs pour rev\u00eatements et encres<\/a>.<\/p>\n<h2>Modes d&#039;humidification de CHLUMICRYL\u00ae \u00e0 examiner en premier<\/h2>\n<p>La gamme actuelle de mouillage CHLUMICRYL\u00ae comprend d\u00e9j\u00e0 des proc\u00e9d\u00e9s tels que\u00a0: <a href=\"https:\/\/longchangchemical.com\/fr\/product\/agesin-wd-d545\/\">CHLUMICRYL\u00ae WD-D545<\/a>, <a href=\"https:\/\/longchangchemical.com\/fr\/product\/agesin-wd-d547-wetting-agent\/\">CHLUMICRYL\u00ae WD-D547<\/a>et <a href=\"https:\/\/longchangchemical.com\/fr\/product\/agesin-wd-d548\/\">CHLUMICRYL\u00ae WD-D548<\/a>Longchang les pr\u00e9sente actuellement comme des agents mouillants organosilici\u00e9s pour les syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et de rev\u00eatements, ce qui les rend pertinents en tant que voies de premi\u00e8re \u00e9valuation pour les travaux de couverture de substrat \u00e0 grande \u00e9chelle.<\/p>\n<h3>CHLUMICRYL\u00ae WD-D545<\/h3>\n<ul>\n<li><strong>Ce que Longchang soutient\u00a0:<\/strong> Agent mouillant organosilici\u00e9 pour syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et de rev\u00eatements<\/li>\n<li><strong>Pourquoi il doit \u00eatre consid\u00e9r\u00e9 comme pr\u00e9coce\u00a0:<\/strong> Il convient aux \u00e9crans de mouillage larges o\u00f9 l&#039;acheteur a besoin d&#039;une voie g\u00e9n\u00e9rale stable \u00e0 travers de multiples environnements de formulation.<\/li>\n<\/ul>\n<h3>CHLUMICRYL\u00ae WD-D547<\/h3>\n<ul>\n<li><strong>Ce que Longchang soutient\u00a0:<\/strong> Agent mouillant organosilici\u00e9 pour syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et de rev\u00eatements<\/li>\n<li><strong>Pourquoi il doit \u00eatre consid\u00e9r\u00e9 comme pr\u00e9coce\u00a0:<\/strong> Elle offre une seconde voie de mouillage lorsque l&#039;acheteur a besoin de comparer la r\u00e9ponse du substrat ou la stabilit\u00e9 du processus au lieu de se fier \u00e0 une seule option.<\/li>\n<\/ul>\n<h3>CHLUMICRYL\u00ae WD-D548<\/h3>\n<ul>\n<li><strong>Ce que Longchang soutient\u00a0:<\/strong> Agent mouillant organosilici\u00e9 pour syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et de rev\u00eatements<\/li>\n<li><strong>Pourquoi il doit \u00eatre consid\u00e9r\u00e9 comme pr\u00e9coce\u00a0:<\/strong> Cela permet d&#039;\u00e9tablir une autre voie pratique pour les acheteurs qui examinent diff\u00e9rents substrats et conditions de ligne au sein d&#039;une m\u00eame grande famille de mouillage.<\/li>\n<\/ul>\n<h2>Comment les acheteurs doivent s\u00e9lectionner les additifs mouillants<\/h2>\n<h3>1. D\u00e9finir le substrat avant de choisir l&#039;additif<\/h3>\n<p>Les films plastiques, le papier couch\u00e9, le m\u00e9tal et les supports d\u00e9coratifs ne se comportent pas de la m\u00eame mani\u00e8re. Le support doit servir de point de d\u00e9part \u00e0 la premi\u00e8re s\u00e9lection.<\/p>\n<h3>2. Distinguer les probl\u00e8mes de diffusion des probl\u00e8mes de pigmentation<\/h3>\n<p>Si le liquide ne recouvre pas correctement la surface, l&#039;humidification doit \u00eatre effectu\u00e9e avant les modifications de dispersant ou de nivellement.<\/p>\n<h3>3. V\u00e9rifier le comportement des bords et des d\u00e9tails fins<\/h3>\n<p>Il ne suffit pas que le centre d&#039;une zone de mouillage paraisse acceptable. La couverture des bords et une g\u00e9om\u00e9trie complexe r\u00e9v\u00e8lent souvent le v\u00e9ritable probl\u00e8me de mouillage.<\/p>\n<h3>4. Maintenir la famille de formulations dans le p\u00e9rim\u00e8tre<\/h3>\n<p>Les syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et par rev\u00eatement peuvent tous utiliser des additifs mouillants, mais la solution optimale d\u00e9pend toujours de la combinaison du proc\u00e9d\u00e9 et du substrat.<\/p>\n<h3>5. Utilisez une premi\u00e8re comparaison br\u00e8ve<\/h3>\n<p>La premi\u00e8re \u00e9tape la plus propre consiste g\u00e9n\u00e9ralement \u00e0 comparer les voies de mouillage CHLUMICRYL\u00ae les plus pertinentes plut\u00f4t que de m\u00e9langer trop t\u00f4t plusieurs familles d&#039;additifs.<\/p>\n<h2>O\u00f9 cette page se situe-t-elle dans le groupe CHLUMICRYL\u00ae ?<\/h2>\n<ul>\n<li><strong>Aper\u00e7u principal\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae Additifs pour rev\u00eatements et encres<\/a><\/li>\n<li><strong>Branche d&#039;humidification :<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/coating-and-ink-additives\/wetting-agent\/\">Additifs mouillants<\/a><\/li>\n<li><strong>Branche dispersante associ\u00e9e\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/dispersants-pigmented-coatings-inks\/\">Dispersants pour rev\u00eatements et encres pigment\u00e9s<\/a><\/li>\n<li><strong>Branche de nivellement associ\u00e9e\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/coating-and-ink-additives\/leveling-agent\/\">Additifs de nivellement<\/a><\/li>\n<li><strong>Branche associ\u00e9e au contr\u00f4le de surface\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product-category\/coating-and-ink-additives\/fluorine-surfactant\/\">tensioactifs fluor\u00e9s<\/a><\/li>\n<\/ul>\n<h2>FAQ<\/h2>\n<h3>Quelle est la principale raison d&#039;utiliser un agent mouillant ?<\/h3>\n<p>La principale raison est d&#039;am\u00e9liorer la fa\u00e7on dont le rev\u00eatement ou l&#039;encre s&#039;\u00e9tale et recouvre le substrat, notamment sur les surfaces plus difficiles ou \u00e0 plus faible \u00e9nergie.<\/p>\n<h3>Dois-je commencer par un agent mouillant ou un agent nivelant\u00a0?<\/h3>\n<p>Commencez par un agent mouillant si le probl\u00e8me concerne l&#039;\u00e9talement ou la couverture du support. Commencez par un agent de nivellement si la couverture est d\u00e9j\u00e0 acceptable mais que la surface finale pr\u00e9sente encore un aspect m\u00e9diocre.<\/p>\n<h3>Les agents mouillants peuvent-ils \u00eatre utiles \u00e0 la fois pour les rev\u00eatements et les encres\u00a0?<\/h3>\n<p>Oui. Les proc\u00e9d\u00e9s de mouillage CHLUMICRYL\u00ae actuels sont d\u00e9j\u00e0 utilis\u00e9s dans les syst\u00e8mes de mouillage \u00e0 base d&#039;eau, \u00e0 base de solvants et pour rev\u00eatements, ce qui les rend pertinents pour de nombreuses familles de formulations.<\/p>\n<h3>Pourquoi comparer les WD-D545, WD-D547 et WD-D548 ?<\/h3>\n<p>Parce qu&#039;ils sont d\u00e9j\u00e0 regroup\u00e9s par Longchang dans la m\u00eame branche des additifs mouillants, ce qui en fait une premi\u00e8re liste restreinte et pertinente pour le criblage de la couverture du substrat.<\/p>\n<h2>Besoin d&#039;aide pour affiner votre s\u00e9lection de solutions mouillantes ?<\/h2>\n<p>Si votre projet de rev\u00eatement ou d&#039;encre est limit\u00e9 par une mauvaise application, un retrait sur les bords ou une couverture difficile du substrat, commencez par identifier le probl\u00e8me de mouillage lui-m\u00eame et s\u00e9lectionnez d&#039;abord la solution de mouillage CHLUMICRYL\u00ae la plus appropri\u00e9e. Cette approche permet g\u00e9n\u00e9ralement un tri plus rapide et plus pr\u00e9cis que de consid\u00e9rer toutes les familles d&#039;additifs comme interchangeables.<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez comment choisir les additifs mouillants pour les rev\u00eatements et les encres en examinant le mouillage du substrat, la couverture des bords, l&#039;\u00e9talement du film et les performances \u00e0 faible \u00e9nergie de surface sur les diff\u00e9rentes voies de mouillage CHLUMICRYL\u00ae.<\/p>","protected":false},"author":6,"featured_media":10372,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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