{"id":27306,"date":"2025-11-10T18:14:18","date_gmt":"2025-11-10T10:14:18","guid":{"rendered":"https:\/\/xjysilicone.com\/?p=27306"},"modified":"2025-11-10T18:14:30","modified_gmt":"2025-11-10T10:14:30","slug":"what-factors-affect-the-performance-of-silicone-defoamer","status":"publish","type":"post","link":"https:\/\/www.xjysilicone.com\/fr\/what-factors-affect-the-performance-of-silicone-defoamer-5976.html","title":{"rendered":"Quels facteurs affectent les performances d'un antimousse au silicone ?"},"content":{"rendered":"<div class=\"blog-posts single-post\" style=\"border-bottom: 2px solid #00999a;\" uia-uid=\"0|1\">\n<article class=\"post post-large blog-single-post border-0 m-0 p-0\">\n<div class=\"post-content ml-0\">\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Dans de nombreuses industries (telles que l'impression et teinture, la fermentation, le papier, les rev\u00eatements, les produits pharmaceutiques, la transformation alimentaire,<\/span><\/span><\/span><\/span><\/span><\/span>,&nbsp;<span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\">l'exploitation p\u00e9troli\u00e8re, le traitement de l'eau, les applications industrielles, la transformation chimique, etc.) Dans la large gamme de&nbsp;<\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\">proc\u00e9d\u00e9s industriels, le m\u00e9lange, les vibrations,<\/span><\/span><\/span><\/span><\/span><\/span><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">, l'\u00e9bullition et autres op\u00e9rations g\u00e9n\u00e8rent souvent une grande quantit\u00e9 de mousse, ce qui occasionne de nombreux probl\u00e8mes de production, comme affecter le d\u00e9roulement normal des op\u00e9rations, r\u00e9duire la charge utile des \u00e9quipements, entra\u00eenant une baisse de la qualit\u00e9 des produits et de la capacit\u00e9 de production. Pour \u00e9liminer et contr\u00f4ler la mousse de surface, la m\u00e9thode la plus efficace, \u00e9conomique et simple est d'ajouter un antimousse.<\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/defoamer.html\/\">Agent antimousse silicone<\/a>, \u00e9galement appel\u00e9 agent antimousse ou <\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"background:#fffaf0\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"letter-spacing:0.0000pt\"><span style=\"font-style:normal\">antimousse silicone<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000;\">, peut \u00eatre class\u00e9 en huile, \u00e9mulsion, solide et p\u00e2te, etc. selon l'\u00e9tat ; La composition chimique peut \u00eatre divis\u00e9e en alcools, acides gras, amides, phosphates, poly\u00e9thers (ce produit est un excellent antimousse pour les fluides d'usinage des m\u00e9taux, les p\u00e2tes et papiers, et les peintures, etc.) polysiloxanes (habituellement aussi appel\u00e9s silicone), etc. Les agents et auxiliaires de traitement au siloxane peuvent r\u00e9pondre \u00e0 une grande vari\u00e9t\u00e9 d'exigences de transformation. Typiquement, les antimousses sont formul\u00e9s autour d'un fluide porteur, qui peut \u00eatre de l'huile silicone, de l'huile v\u00e9g\u00e9tale, un polym\u00e8re synth\u00e9tique, etc. Compar\u00e9 aux antimousses non-silicone, l'antimousse silicone pr\u00e9sente un bon effet d'antimoussage et d'inhibition de la mousse, r\u00e9duit la contrainte sur le moteur et diminue les co\u00fbts de main-d'\u0153uvre en \u00e9liminant le besoin de vider continuellement le bac de r\u00e9cup\u00e9ration, faible teneur en COV, pr\u00e9vient les d\u00e9fauts de surface tels que le retrait, les yeux de chat, les piq\u00fbres et les points faibles dans la peinture apr\u00e8s s\u00e9chage, certification de contact alimentaire renouvelable et autres caract\u00e9ristiques pris\u00e9es par diverses industries.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\">&nbsp;<\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Voici une br\u00e8ve description des facteurs affectant les performances de l'antimousse.&nbsp;<\/span><\/span><\/span><\/span><\/span><\/p>\n<table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height:100px;margin-bottom:7px;margin-left:8px;margin-top:7px;text-align:justify;width:700px;\">\n<tbody>\n<tr>\n<td>\n<ul>\n<li><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"font-weight:bold\">La viscosit\u00e9 de l'huile de m\u00e9thylsilicone<\/span><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/li>\n<li><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"font-weight:bold\">S\u00e9lection et dosage du dioxyde de silicium<\/span><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/li>\n<li><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"font-weight:bold\">Dosage de l'huile de poly\u00e9thersilicone<\/span><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/li>\n<li><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"font-weight:bold\">M\u00e9lange des \u00e9mulsifiants et dosage de d\u00e9part<\/span><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/li>\n<li><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"font-weight:bold\">S\u00e9lection d'un agent \u00e9paississant<\/span><\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/td>\n<td><img decoding=\"async\" src=\"\/media\/145\/7906_1.jpg\" style=\"height: 271px; width: 350px;\"><br \/>          &nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin-top:7px; margin-bottom:7px; margin-left:8px; text-align:justify\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Chacun de ces facteurs d'influence sera d\u00e9crit en d\u00e9tail dans la suite.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"text-align:justify\" value=\"50\"><a href=\"#theeffert\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">L'effet de la viscosit\u00e9 et du dosage de l'huile de silicone m\u00e9thyl\u00e9e<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<li style=\"text-align:justify\" value=\"50\"><a href=\"#dioxide\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">L'effet de la s\u00e9lection et du dosage du dioxyde de silicium<\/span><\/span><\/span><\/span><\/span><\/a>\n<ul>\n<li style=\"text-align:justify\"><a href=\"#canbeused\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Peut \u00eatre utilis\u00e9 pour l'huile de silicone m\u00e9thyl\u00e9e, le d\u00e9shuileur de silice est :<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<li style=\"text-align:justify\" value=\"14\"><a href=\"#conciusion\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Conclusion exp\u00e9rimentale<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align:justify\" value=\"50\"><a href=\"#polyether\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Effet du dosage de l'huile de silicone poly\u00e9ther<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<li style=\"text-align:justify\" value=\"50\"><a href=\"#compounding\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">L'effet de la formulation des \u00e9mulsifiants et de leur dosage<\/span><\/span><\/span><\/span><\/span><\/a>\n<ul>\n<li style=\"text-align:justify\"><a href=\"#emulsifiers\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Formulation des \u00e9mulsifiants<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<li style=\"text-align:justify\" value=\"14\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><a id=\"theeffert\" name=\"theeffert\"><\/a><a href=\"#experimental\">Conclusion exp\u00e9rimentale<\/a><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align:justify\" value=\"50\"><a href=\"#agents\"><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">L'effet des agents \u00e9paississants<\/span><\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<h2 align=\"justify\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span class=\"ez-toc-section\" id=\"1_The_effect_of_viscosity_and_dosage_of_methyl_silicone_oil_on_the_performance_of_silicone_defoamer\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:18pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">1. L'effet de la viscosit\u00e9 et du dosage de l'huile de silicone<span style=\"font-size:24px;\">m\u00e9thyl\u00e9e<\/span>huile e&nbsp;<\/span><\/span><\/span><\/b><\/span><\/span><span style=\"font-size:24px;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">sur la performance du d\u00e9shuileur de silicone&nbsp; &nbsp;<\/span><\/span><\/b><\/span><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Methyl silicone oils have low surface tension, strong defoaming ability, good thermal stability, chemical and physiological inertness, plus insoluble in water, and have excellent defoaming performance for most foaming media, this property can be used as a hot tub defoamer and spa chemicals. Therefore, we choose methyl silicone oil as the main component of silicone defoamers. Fixed other conditions, to examine the impact of changes in the viscosity of methyl silicone oil on the performance of the defoamer, the experimental results: with the increase in viscosity of methyl silicone oil, the defoamer defoaming time was first reduced after a slight increase in the trend, but the time of foam inhibition is always increasing. This is because the low viscosity of methyl silicone oil surface tension is small and easy to disperse in the foaming solution to play the role of antifoaming, but the solubility of large, easily dispersed, short foam inhibition time; and viscosity of methyl silicone oil solubility is small, long foam inhibition time, but emulsification difficulties, Poor existing control\u00a0foam effect.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">De plus, la teneur en huile de silicone m\u00e9thyl\u00e9e dans l'\u00e9mulsion doit \u00eatre mod\u00e9r\u00e9e. Si le dosage est trop faible, l'effet d\u00e9shuileur est insuffisant. Pour obtenir l'effet d\u00e9shuileur attendu, la quantit\u00e9 d'\u00e9mulsion d\u00e9shuileuse doit \u00eatre augment\u00e9e pour pr\u00e9venir<\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\">&nbsp;<span style=\"font-size:12.0000pt\"><span style=\"background:#ffffff\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"><span style=\"letter-spacing:0.0000pt\"><span style=\"font-style:normal\">existing&nbsp;<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">la mousse, mais cela affectera la qualit\u00e9 du produit ; si le dosage est trop \u00e9lev\u00e9, l'\u00e9mulsification devient difficile. Pour les applications exigeantes, les exp\u00e9riences montrent que la teneur appropri\u00e9e <a id=\"dioxide\" name=\"dioxide\"><\/a><a id=\"canbeused\" name=\"canbeused\"><\/a>en huile de silicone m\u00e9thyl\u00e9e dans l'\u00e9mulsion est de 16 TP3T-17 TP3T.<\/span><\/span><\/span><\/span><\/span><\/span><br \/>&nbsp;<\/p>\n<h2 align=\"justify\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span class=\"ez-toc-section\" id=\"2_The_effect_of_silicon_dioxide_selection_and_dosage\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:18pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">2. Effet de la s\u00e9lection et du dosage du dioxyde de silicium<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 align=\"justify\" class=\"p\" style=\"text-align: justify; margin-top: 7px; margin-bottom: 7px;\"><span class=\"ez-toc-section\" id=\"1_Can_be_used_for_methyl_silicone_oil_defoamer_silica_are\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">(1) Les silices utilisables pour l'antimousse \u00e0 l'huile de m\u00e9thylsilicone sont :<\/span><\/span><\/span><\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Silice pyrog\u00e9n\u00e9e, silice pr\u00e9cipit\u00e9e, gel de silice, sol de silice, poudre de quartz, etc. La silice pyrog\u00e9n\u00e9e ayant une surface sp\u00e9cifique importante, une faible densit\u00e9, une bonne dispersibilit\u00e9, mais \u00e9tant hydrophile sans traitement hydrophobe, elle est difficile \u00e0 infiltrer et disperser dans la phase organique. Apr\u00e8s traitement hydrophobe, la teneur en groupes hydroxyles de surface est r\u00e9duite, la tendance \u00e0 l'agr\u00e9gation est affaiblie, passant d'hydrophile \u00e0 hydrophobe, et l'infiltration et la dispersion dans la phase organique sont am\u00e9lior\u00e9es, favorisant une meilleure dispersion de <a id=\"conciusion\" name=\"conciusion\"><\/a><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">l'huile de silicone dans le syst\u00e8me moussant, augmentant la stabilit\u00e9 de l'\u00e9mulsion ! <\/span><\/span><\/span><\/span><\/span><span style=\"font-size:10.5pt\"><span style=\"text-autospace:ideograph-numeric\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Par cons\u00e9quent, nous avons choisi de formuler la silice pyrog\u00e9n\u00e9e avec l'huile de polydim\u00e9thylsiloxane pour am\u00e9liorer l'efficacit\u00e9 de l'huile de polydim\u00e9thylsiloxane dans l'\u00e9limination des mousses ind\u00e9sirables.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<h3 align=\"justify\" class=\"p\" style=\"text-align: justify; margin-top: 7px; margin-bottom: 7px;\"><span class=\"ez-toc-section\" id=\"2_Experimental_conclusion\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">(2) Conclusion exp\u00e9rimentale<\/span><\/span><\/span><\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">L'effet de diff\u00e9rentes quantit\u00e9s de silice sur les performances de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant en silicone a \u00e9t\u00e9 \u00e9tudi\u00e9 dans les m\u00eames conditions, et les r\u00e9sultats exp\u00e9rimentaux sont pr\u00e9sent\u00e9s. Avec l'augmentation de la quantit\u00e9 de silice hydrophobe et le contr\u00f4le de la mousse, la stabilit\u00e9 de l'\u00e9mulsion de d\u00e9s\u00e9mulsifiant r\u00e9sultante s'est d\u00e9t\u00e9rior\u00e9e. Par rapport \u00e0 100 g d'huile de silicone m\u00e9thyl\u00e9e, lorsque la quantit\u00e9 de silice est inf\u00e9rieure \u00e0 8 g (\u00e9quivalent \u00e0 1.300 dans l'\u00e9mulsion), la performance de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant est am\u00e9lior\u00e9e avec l'augmentation de la quantit\u00e9 de silice, mais lorsque la quantit\u00e9 de silice est <\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">sup\u00e9rieure \u00e0 89, la performance de d\u00e9s\u00e9mulsification ne change pratiquement pas avec l'augmentation de la quantit\u00e9 de silice. Apr\u00e8s une consid\u00e9ration globale, nous estimons que la quantit\u00e9 la plus appropri\u00e9e de <a id=\"polyether\" name=\"polyether\"><\/a>silice dans le d\u00e9s\u00e9mulsifiant devrait \u00eatre d'environ 1.3%.<\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/7904_%E5%89%AF%E6%9C%AC_1.jpg\" style=\"height: 202px; width: 350px;\"><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\">&nbsp;<\/p>\n<h2 align=\"justify\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span class=\"ez-toc-section\" id=\"3_Effect_of_polyether_silicone_oil_dosage\"><\/span><span style=\"font-size:18pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">3. Effet du dosage de l'huile de poly\u00e9thersilicone<\/span><\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">L'huile de silicone poly\u00e9ther a elle-m\u00eame des propri\u00e9t\u00e9s de d\u00e9s\u00e9mulsification et d'inhibition de mousse, et peut produire des effets synergiques avec l'huile de silicone m\u00e9thyl\u00e9e \/ silice modifi\u00e9e. En fixant d'autres conditions, l'ajout d'huile de silicone poly\u00e9ther et le changement de son dosage, en observant la performance de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant, les r\u00e9sultats exp\u00e9rimentaux : l'effet de d\u00e9s\u00e9mulsification d'une simple \u00e9mulsion d'huile de silicone m\u00e9thyl\u00e9e \/ silice n'est pas optimal. Apr\u00e8s l'ajout d'huile de silicone poly\u00e9ther, dans une certaine plage de dosage, avec l'augmentation de son dosage, le temps de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant devient plus court et favorise l'extension du temps d'inhibition de la mousse.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">De plus, la stabilit\u00e9 de l'\u00e9mulsion de silicone et sa dispersion dans l'eau s'am\u00e9liorent avec l'augmentation de la quantit\u00e9 d'huile de silicone poly\u00e9ther. Cela est d\u00fb \u00e0 l'ajout d'huile de silicone poly\u00e9ther, l'huile de silicone poly\u00e9ther elle-m\u00eame peut \u00eatre auto-\u00e9mulsifiante, et l'utilisation d'un effet synergique entre les composants am\u00e9liore significativement l'effet de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant. Mais lorsque la quantit\u00e9 d'huile de silicone poly\u00e9ther d\u00e9passe 20 g (10% de la fraction massique totale de l'\u00e9mulsion), cela entra\u00eene une augmentation importante de l'hydrophilie des composants du d\u00e9s\u00e9mulsifiant, facilitant la <a id=\"compounding\" name=\"compounding\"><\/a><a id=\"emulsifiers\" name=\"emulsifiers\"><\/a><\/span><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">dispersion dans la solution moussante et r\u00e9duisant le contr\u00f4le de la mousse, donc la <\/span><\/span><\/span><\/span><\/span><\/span><span style=\"font-size:10.5pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">concentration appropri\u00e9e<\/span><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\"> d'huile de silicone poly\u00e9ther est d'environ 10%.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<h2 align=\"justify\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span class=\"ez-toc-section\" id=\"4_The_effect_of_the_compounding_of_emulsifiers_and_their_dosage\"><\/span><span style=\"font-size:24px;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">4. Effet du m\u00e9lange des \u00e9mulsifiants et de leur dosage<\/span><\/span><\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 align=\"justify\" class=\"p\" style=\"text-align: justify; margin-top: 7px; margin-bottom: 7px;\"><span class=\"ez-toc-section\" id=\"1_Compounding_of_emulsifiers\"><\/span><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">(1) M\u00e9lange des \u00e9mulsifiants<\/span><\/span><\/span><\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Emulsifier is one of the key factors in the preparation of emulsion-type silicone anti-foaming agent methyl silicone oil is difficult to emulsify in order to make the emulsifier can play a good role in emulsification and dispersion, the first should consider the HLB value of the emulsifier and silicone oil HLB value (about 8\u201411) is close, followed by consideration of the emulsifier foaming force to be small, in addition to considering the emulsified system (non-aqueous systems) and the emulsifier water-repellent base of the affinity. Usually, ionic emulsifiers such as solvents, sulfate esters, etc. Have varying degrees of foam, while Span and Tween class non-leaving type emulsifiers and methyl silicone oil\u2019s affinity are better, and have low foaming performance, so <\/span><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">Cette \u00e9tude a s\u00e9lectionn\u00e9 Span-80 et Tween-80 pour leur association. On observe que la <a id=\"experimental\" name=\"experimental\"><\/a><\/span><\/span><\/span><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">performance de d\u00e9s\u00e9mulsification, la stabilit\u00e9 centrifuge et la dispersion du d\u00e9s\u00e9mulsifiant dans l'eau sont meilleures lorsque la valeur HLB de l'\u00e9mulsifiant est d'environ 10.<\/span><\/span><\/span><\/span><\/span><\/span><br \/>&nbsp;<\/p>\n<h3 align=\"justify\" class=\"p\" style=\"text-align: justify; margin-top: 7px; margin-bottom: 7px;\"><span class=\"ez-toc-section\" id=\"2_Experimental_conclusion-2\"><\/span><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><b><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">(2) Conclusion exp\u00e9rimentale<\/span><\/span><\/span><\/b><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"font-size:12pt\"><span style=\"text-justify:inter-ideograph\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><span style=\"color:#000000\">En fixant d'autres conditions et en gardant constante la proportion des \u00e9mulsifiants Span-80 et Tween-80, pour examiner l'impact des variations de la quantit\u00e9 d'\u00e9mulsifiant composite sur la performance du d\u00e9s\u00e9mulsifiant, les r\u00e9sultats exp\u00e9rimentaux : si la quantit\u00e9 d'\u00e9mulsifiant est trop faible, l'\u00e9mulsion de d\u00e9s\u00e9mulsifiant n'est pas stable, susceptible de se s\u00e9parer en couches. Si la quantit\u00e9 d'\u00e9mulsifiant est trop \u00e9lev\u00e9e, la stabilit\u00e9 de l'\u00e9mulsion de d\u00e9s\u00e9mulsifiant est bonne, mais l'effet de d\u00e9s\u00e9mulsification diminue. Cela est d\u00fb \u00e0 deux facteurs : Premi\u00e8rement, une quantit\u00e9 excessive d'\u00e9mulsifiant emprisonne de l'air, entra\u00eenant des particules d'\u00e9mulsion trop petites, ce qui r\u00e9duit la vitesse de d\u00e9s\u00e9mulsification ; Deuxi\u00e8mement, une quantit\u00e9 excessive d'\u00e9mulsifiant augmente la stabilit\u00e9 de l'\u00e9mulsion, affectant la performance de d\u00e9s\u00e9mulsification. Lorsque la quantit\u00e9 d'\u00e9mulsifiant composite est inf\u00e9rieure \u00e0 6%, \u00e0 faible concentration, la stabilit\u00e9 de l'\u00e9mulsion de d\u00e9s\u00e9mulsifiant augmente avec la quantit\u00e9 d'\u00e9mulsifiants composites, et la performance de d\u00e9s\u00e9mulsification s'am\u00e9liore ; lorsque la quantit\u00e9 d'\u00e9mulsifiant composite est sup\u00e9rieure \u00e0 6%, la stabilit\u00e9 du d\u00e9s\u00e9mulsifiant ne change pas avec la variation de la quantit\u00e9, mais la <a id=\"agents\" name=\"agents\"><\/a>performance de d\u00e9s\u00e9mulsification est r\u00e9duite. Les exp\u00e9riences ont d\u00e9montr\u00e9 que la quantit\u00e9 d'\u00e9mulsifiant composite est d'environ 6%, lorsque l'effet de d\u00e9s\u00e9mulsification du d\u00e9s\u00e9mulsifiant est meilleur, inhibant davantage de mousse.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/7908_%E5%89%AF%E6%9C%AC.jpg\" style=\"height: 144px; width: 350px;\"><br \/>&nbsp;<\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:18pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span class=\"15\" style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\">5. L'effet des agents \u00e9paississants&nbsp;<\/span><\/span><span style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">oil&nbsp;<\/span><\/span><\/span><\/b><\/span><\/span><span style=\"font-size:24px;\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span style=\"font-family:Calibri\"><span style=\"font-weight:bold\">sur la performance du d\u00e9shuileur de silicone<\/span><\/span><\/b><\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\">Afin d'am\u00e9liorer la stabilit\u00e9 des \u00e9mulsions, l'ajout d'\u00e9paississants est un moyen efficace. Les \u00e9paississants couramment utilis\u00e9s incluent le carboxym\u00e9thylcellulose de sodium, l'\u00e9thylcellulose, le poly\u00e9thyl\u00e8ne glycol, l'alginate de sodium, etc.<\/span><\/span><\/span><\/span><\/span><\/p>\n<h2 align=\"justify\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span class=\"ez-toc-section\" id=\"XJY_Silicones-First_choice_raw_material_supplier_of_silicone_defoamer\"><\/span><span style=\"color:#000000;\"><span style=\"font-size:18pt\"><span style=\"font-family:\u5b8b\u4f53\"><span style=\"font-weight:bold\"><b><span class=\"15\" style=\"font-size:18.0000pt\"><span style=\"font-family:Calibri\">XJY Silicones - Fournisseur de mati\u00e8res premi\u00e8res de premier choix pour l'antimousse silicone<\/span><\/span><\/b><\/span><\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\" class=\"p\" style=\"text-align:justify; margin-top:7px; margin-bottom:7px\"><span style=\"color:#000000;\"><span style=\"font-size:12pt\"><span style=\"font-family:Calibri\"><span style=\"font-size:12.0000pt\"><span style=\"font-family:Calibri\"><a href=\"https:\/\/www.xjysilicone.com\/fr\/about-us.html\/\">Silicones XJY<\/a>, one of China\u2019s leading <a href=\"https:\/\/www.xjysilicone.com\/fr\/methyl-mq-silicone-resin.html\/\">MQ resin (pour d\u00e9s\u00e9mulsifiant)<\/a> fabricants, poss\u00e8de plus de 30 ans d'exp\u00e9rience en R&amp;D et fabrication et plus de 15 brevets connexes dans l'industrie du silicone, peut \u00e9galement personnaliser des produits rentables selon vos <a href=\"https:\/\/www.xjysilicone.com\/fr\/defoamer.html\/\">solutions de d\u00e9s\u00e9mulsification et antimousse.<\/a><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"p\" style=\"margin-top: 7px; margin-bottom: 7px; text-align: center;\"><img decoding=\"async\" src=\"\/media\/145\/XJY%20SILICONES.jpg\" style=\"height: 421px; width: 750px;\"><br \/>&nbsp;<\/p>\n<\/p><\/div>\n<\/article><\/div>","protected":false},"excerpt":{"rendered":"<p>Dans de nombreuses industries (telles que l'impression et la teinture, la fermentation, le papier, les rev\u00eatements, les produits pharmaceutiques, la transformation alimentaire, l'extraction p\u00e9troli\u00e8re, le traitement de l'eau, les applications industrielles, le traitement chimique, etc.) Dans la vaste gamme de processus industriels, le m\u00e9lange, la vibration, l'\u00e9bullition et d'autres op\u00e9rations produisent souvent un grand nombre de mousses, qui entra\u00eenent de nombreux probl\u00e8mes de production, tels que l'affectation de la...<\/p>","protected":false},"author":12,"featured_media":27307,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[620],"tags":[],"class_list":["post-27306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-defoamer"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/27306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/comments?post=27306"}],"version-history":[{"count":0,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/27306\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/media\/27307"}],"wp:attachment":[{"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/media?parent=27306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/categories?post=27306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xjysilicone.com\/fr\/wp-json\/wp\/v2\/tags?post=27306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}