{"id":5260,"date":"2022-05-26T12:46:51","date_gmt":"2022-05-26T12:46:51","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5260"},"modified":"2026-04-28T10:42:00","modified_gmt":"2026-04-28T10:42:00","slug":"application-of-agesin-leveling-agents-in-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/application-of-agesin-leveling-agents-in-coatings\/","title":{"rendered":"Application des agents de nivellement  dans les rev\u00eatements"},"content":{"rendered":"<h1><strong>Application des agents de nivellement  dans les rev\u00eatements<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>R\u00e9ponse rapide :<\/strong> Pour le choix des monom\u00e8res et r\u00e9sines UV, la question commerciale cl\u00e9 n&#039;est pas \u00ab quel mat\u00e9riau est le meilleur en g\u00e9n\u00e9ral \u00bb mais \u00ab quel conditionnement offre le bon \u00e9quilibre entre fluidit\u00e9, polym\u00e9risation, adh\u00e9rence et durabilit\u00e9 dans l&#039;application r\u00e9elle \u00bb.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>1. L'agent de nivellement se divise en deux cat\u00e9gories : l'agent de nivellement organique et l'agent de nivellement non silicon\u00e9. L'agent de nivellement organique se divise en trois cat\u00e9gories : l'agent de nivellement silicon\u00e9 modifi\u00e9 par le poly\u00e9ther, l'agent de nivellement silicon\u00e9 modifi\u00e9 par le polyester et l'agent de nivellement silicon\u00e9 r\u00e9actif. L'agent de nivellement non silicon\u00e9 se divise en agent de nivellement polyacrylate, polyacrylate modifi\u00e9 au fluorocarbone et tensioactif fluor\u00e9.<\/p>\n<p>2. Le r\u00f4le des diff\u00e9rents agents de nivellement dans le syst\u00e8me de rev\u00eatement<br \/>\n2.1 Explication des termes associ\u00e9s<br \/>\nStabilisation de la mousse.<br \/>\nAdditif ajout\u00e9 dans le syst\u00e8me de rev\u00eatement, situation de la mousse et vitesse de d\u00e9moussage apr\u00e8s oscillation.<br \/>\nCompatibilit\u00e9.<br \/>\nUne excellente compatibilit\u00e9 est souvent d\u00e9montr\u00e9e par l'ajout d'additifs dans la r\u00e9sine, l'absence de turbidit\u00e9 et de ph\u00e9nom\u00e8ne de d\u00e9lamination.<br \/>\nTension superficielle statique.<br \/>\nLa tension superficielle statique est une mesure de la capacit\u00e9 de l'additif de rev\u00eatement \u00e0 mouiller et \u00e0 s'\u00e9taler sur la surface solide dans des conditions de tension superficielle d'\u00e9quilibre. Plus la valeur de la tension superficielle statique est faible, plus la capacit\u00e9 de mouillage et d'\u00e9talement est forte.<br \/>\nTension de surface dynamique.<br \/>\nLa tension superficielle dynamique (DST) est mesur\u00e9e \u00e0 l'aide d'un appareil de mesure de la tension de bulle, et ce param\u00e8tre est plus repr\u00e9sentatif des applications de rev\u00eatement (par exemple, pulv\u00e9risation, rev\u00eatement au rouleau). Il s'agit d'une mesure de l'activit\u00e9 de surface de l'additif de rev\u00eatement pendant le processus de rev\u00eatement, c'est-\u00e0-dire la capacit\u00e9 de diffusion de l'additif de rev\u00eatement de la solution \u00e0 l'interface. Plus la valeur de la tension superficielle dynamique est faible, plus le nivellement du rev\u00eatement dans les m\u00eames conditions de temps est rapide.<\/p>\n<p>Ondes longues et courtes.<br \/>\n\u2460 Onde longue : onde longue : ondulation de 1 \u00e0 30 mm, pouvant \u00eatre clairement observ\u00e9e \u00e0 une distance de 3 m. Plus la valeur est faible, meilleur est le nivellement de l'onde longue.<br \/>\n\u2461 Onde courte : ondulation de 0,1-1 mm, reconnaissable uniquement \u00e0 une distance inf\u00e9rieure \u00e0 3 m. Plus la valeur est faible, meilleur est le nivellement de l'onde courte.<br \/>\nR\u00e9flectivit\u00e9 fra\u00eeche.<br \/>\nRefl\u00e8te le reflet des indicateurs de clart\u00e9 de l'image, plus la valeur est \u00e9lev\u00e9e, meilleure est la fra\u00eecheur du reflet, plus grande est la clart\u00e9.<br \/>\nBrillant.<br \/>\nPour les produits tr\u00e8s brillants, plus le degr\u00e9 de brillance est \u00e9lev\u00e9, meilleure est la perception visuelle.<br \/>\nCoefficient de frottement dynamique.<br \/>\nLa douceur est exprim\u00e9e par la taille du coefficient de frottement dynamique (\u03bcd), plus la valeur est faible, meilleure est la douceur, meilleure est la sensation. Un excellent glissement se traduira par une bonne r\u00e9sistance aux rayures et une meilleure r\u00e9sistance \u00e0 l'adh\u00e9rence.<br \/>\nAdh\u00e9sion.<br \/>\nIl s'agit du degr\u00e9 d'adh\u00e9rence du film de peinture \u00e0 la surface de l'objet peint.<\/p>\n<p>2.2 Effets de l'ajout de diff\u00e9rents types d'agents de nivellement aux syst\u00e8mes de peinture sur leurs principales propri\u00e9t\u00e9s<br \/>\n2.2.1 Effet sur la r\u00e9duction de la tension superficielle statique du syst\u00e8me<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5261\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-1.png\" alt=\"\" width=\"556\" height=\"270\" \/><\/p>\n<p><strong>2.2.2 Effet sur la r\u00e9duction de la tension superficielle dynamique du syst\u00e8me<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5262\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-2.png\" alt=\"\" width=\"562\" height=\"316\" \/><\/p>\n<p><strong>2.2.3 Vitesse de nivellement<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5263\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-3.png\" alt=\"\" width=\"577\" height=\"287\" \/><\/p>\n<p><strong>2.2.4 Action sur les ondes longues et courtes<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5264\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-4.png\" alt=\"\" width=\"556\" height=\"310\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>2.2.5 L'effet sur la r\u00e9flectivit\u00e9 fra\u00eeche,<\/strong><strong>\u00a0<\/strong><strong>brillant<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5265\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-5.png\" alt=\"\" width=\"556\" height=\"318\" \/><\/p>\n<p><strong>2.2.6 Effet sur la r\u00e9duction du coefficient de frottement dynamique \u00e0 la surface du film de peinture<\/strong><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5266\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2022\/05\/Application-of--leveling-agents-in-coatings-6.png\" alt=\"\" width=\"556\" height=\"330\" \/><\/p>\n<p>2.2.7 R\u00e9sum\u00e9 des performances des diff\u00e9rents types d'agents de nivellement<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"72\"><strong><b>Nom<\/b><\/strong><\/td>\n<td width=\"72\">Tension superficielle statique<\/td>\n<td width=\"72\">Tension superficielle dynamique<\/td>\n<td width=\"72\">Vitesse de mise \u00e0 niveau<\/td>\n<td width=\"72\">Nivellement des ondes courtes<\/td>\n<td width=\"72\">Nivellement des ondes longues<\/td>\n<td width=\"72\">Fra\u00eecheur<\/td>\n<td width=\"72\">Brillant<\/td>\n<td width=\"72\">Douceur<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">\u00c9chantillon vierge<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">Agent nivelant \u00e0 base de polyacrylate<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">2<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">2<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">Agent de nivellement \u00e0 base de polyacrylate modifi\u00e9 par des fluorocarbures<\/td>\n<td width=\"72\">3<\/td>\n<td width=\"72\">3<\/td>\n<td width=\"72\">3<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">2<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">Tensioactif fluorocarbon\u00e9<\/td>\n<td width=\"72\">4<\/td>\n<td width=\"72\">4<\/td>\n<td width=\"72\">4<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">2<\/td>\n<td width=\"72\">0<\/td>\n<td width=\"72\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">Agent de nivellement en silicone<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">1<\/td>\n<td width=\"72\">3<\/td>\n<td width=\"72\">5<\/td>\n<td width=\"72\">5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>0=invalide 5=excellent<\/p>\n<p>&nbsp;<\/p>\n<p>De ce qui pr\u00e9c\u00e8de, nous pouvons conclure que les diff\u00e9rents types d'agents de nivellement ont leurs propres caract\u00e9ristiques, en fonction des exigences sp\u00e9cifiques \u00e0 recommander, telles que l'appr\u00eat et la recouvrabilit\u00e9, il est g\u00e9n\u00e9ralement recommand\u00e9 d'utiliser un agent de nivellement non silicon\u00e9 ayant un certain effet anti-tra\u00e7age, tandis que dans la couche de finition ou le vernis brillant n\u00e9cessitant un effet de nivellement miroir, un seul agent de nivellement a du mal \u00e0 r\u00e9pondre aux exigences, on peut consid\u00e9rer les produits silicon\u00e9s et non silicon\u00e9s comme ayant un effet raisonnable et synergique.<\/p>\n<p>&nbsp;<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Comment les acheteurs \u00e9valuent-ils g\u00e9n\u00e9ralement les monom\u00e8res UV et les syst\u00e8mes de r\u00e9sine<\/h2>\n<p>La plupart des formulations UV les plus performantes sont construites en choisissant d'abord la r\u00e9sine de base, puis en ajustant le package de monom\u00e8res r\u00e9actifs en fonction du substrat, de la m\u00e9thode de durcissement et des contraintes d'utilisation finale. Cela produit g\u00e9n\u00e9ralement un r\u00e9sultat plus stable que de choisir les mat\u00e9riaux uniquement en fonction de la viscosit\u00e9 ou du prix.<\/p>\n<ul>\n<li><strong>Commencer \u00e0 partir de la propri\u00e9t\u00e9 cible finale :<\/strong> la duret\u00e9, la flexibilit\u00e9, l'adh\u00e9rence et le retrait indiquent rarement le m\u00eame ensemble de mati\u00e8res premi\u00e8res.<\/li>\n<li><strong>Filtrer l'ensemble du package r\u00e9actif :<\/strong> les choix d'oligom\u00e8res, de monom\u00e8res et de photoinitiateurs interagissent fortement dans les syst\u00e8mes UV.<\/li>\n<li><strong>Utilisez la viscosit\u00e9 comme un outil, pas comme la seule r\u00e8gle de d\u00e9cision :<\/strong> le mat\u00e9riau le plus facile \u00e0 travailler n'est pas toujours celui qui donne les meilleurs r\u00e9sultats apr\u00e8s durcissement.<\/li>\n<li><strong>V\u00e9rifier le substrat r\u00e9el :<\/strong> Le plastique, le m\u00e9tal, les films d&#x27;\u00e9tiquetage, les syst\u00e8mes \u00e0 base de gel et les rev\u00eatements peuvent pr\u00e9senter des \u00e9quilibres tr\u00e8s diff\u00e9rents entre polarit\u00e9 et densit\u00e9 de polym\u00e9risation.<\/li>\n<\/ul>\n<h3>R\u00e9f\u00e9rences de produits recommand\u00e9es<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> Un r\u00e9f\u00e9rence anti-mousse \u00e9quilibr\u00e9 pour les rev\u00eatements \u00e0 base d'eau et de nombreux \u00e9crans de contr\u00f4le de mousse g\u00e9n\u00e9raux.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Utile lorsque la compatibilit\u00e9 de l'encre d'impression et de l'encre UV est importante dans le tamis anti-mousse.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> Une option de d\u00e9sa\u00e9ration de processus plus puissante lorsque la mousse persistante survit \u00e0 des conditions plus difficiles.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> Un agent mouillant de r\u00e9f\u00e9rence puissant pour les encres, les rev\u00eatements et le mouillage des substrats difficiles.<\/li>\n<\/ul>\n<h3>FAQ pour les acheteurs et les formulateurs<\/h3>\n<p><strong>Un seul monom\u00e8re ou r\u00e9sine UV peut-il r\u00e9soudre tous les probl\u00e8mes de formulation ?<\/strong><br \/>En g\u00e9n\u00e9ral, non. Les formules performantes sur le march\u00e9 reposent sur la synergie de plusieurs composants qui permettent d&#x27;\u00e9quilibrer le durcissement, l&#x27;adh\u00e9rence, la fluidit\u00e9 et la durabilit\u00e9.<\/p>\n<p><strong>Pourquoi faut-il analyser les monom\u00e8res en m\u00eame temps que les oligom\u00e8res ?<\/strong><br \/>Parce que les monom\u00e8res peuvent modifier la viscosit\u00e9, la vitesse de durcissement, le retrait et le comportement du substrat suffisamment pour alt\u00e9rer le classement final de la m\u00eame r\u00e9sine squelettique.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<p>In practical coating formulation, teams often compare <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumile3345-silicone-leveling-agents-wetting-leveling-agents\/\">CHLUMILE 3345 Leveling Agent<\/a> et <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumile3033-organic-silicone-leveling-agent-automotive-paint-leveling-agent\/\">CHLUMILE 3033 Leveling Agent<\/a> when balancing flow, slip, and substrate wetting.<\/p>\n<h4><strong><b>Si vous avez besoin de COA, MSDS ou TDS, veuillez remplir vos coordonn\u00e9es dans le formulaire ci-dessous, nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel\u00a0<span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Application of leveling agents in coatings 1. Leveling agent is divided into two kinds, one is organic leveling agent, the other is non-silicone leveling agent, organic leveling agent is divided<\/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-5260","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>Application of leveling agents in coatings - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Application of leveling agents in coatings 1. 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