{"id":9969,"date":"2025-01-03T05:35:49","date_gmt":"2025-01-03T05:35:49","guid":{"rendered":"https:\/\/tenessy.com\/?p=9969"},"modified":"2025-01-17T08:15:30","modified_gmt":"2025-01-17T08:15:30","slug":"how-to-solve-the-problem-of-hpmc-dissolution","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fr\/comment-resoudre-le-probleme-de-la-dissolution-de-lhpmc\/","title":{"rendered":"Comment r\u00e9soudre le probl\u00e8me de la dissolution du HPMC ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9969\" class=\"elementor elementor-9969\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-676127a e-flex e-con-boxed e-con e-parent\" data-id=\"676127a\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-13d14a0 elementor-widget elementor-widget-text-editor\" data-id=\"13d14a0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a style=\"color: #27b293;\" href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\">Hydroxypropylm\u00e9thylcellulose<\/a>\u00a0est un additif cl\u00e9 dans de nombreuses industries telles que\u00a0<a style=\"color: #27b293;\" href=\"https:\/\/tenessy.com\/applications\/construction-and-building-solution\/\" target=\"_blank\" rel=\"noopener\">mat\u00e9riaux de construction<\/a>,\u00a0<a style=\"color: #27b293;\" href=\"https:\/\/tenessy.com\/applications\/painting-coatings-solutions\/\" target=\"_blank\" rel=\"noopener\">rev\u00eatements<\/a>, des produits pharmaceutiques,\u00a0<a style=\"color: #27b293;\" href=\"https:\/\/tenessy.com\/applications\/home-care-personal-care-solutions\/\" target=\"_blank\" rel=\"noopener\">produits chimiques quotidiens<\/a>etc. Le processus de dissolution du HPMC n'est pas simple et requiert l'attention de nombreuses m\u00e9thodes et de nombreux d\u00e9tails. En fonction des diff\u00e9rents sc\u00e9narios d'application et des exigences de production, il est n\u00e9cessaire de choisir la m\u00e9thode de dissolution appropri\u00e9e.\u00a0<a style=\"color: #27b293;\" href=\"https:\/\/tenessy.com\/understand-the-three-dissolution-methods-of-hpmc\/\" target=\"_blank\" rel=\"noopener\">Comprendre les trois m\u00e9thodes de dissolution du HPMC<\/a>: Dispersion \u00e0 l'eau froide, dissolution \u00e0 l'eau chaude, m\u00e9lange de poudres s\u00e8ches.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a47cad elementor-widget elementor-widget-image\" data-id=\"1a47cad\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"501\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC.webp\" class=\"attachment-large size-large wp-image-9971\" alt=\"Solubilit\u00e9 du HPMC\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC.webp 800w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC-300x188.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC-768x481.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed35776 elementor-widget elementor-widget-heading\" data-id=\"ed35776\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Pr\u00e9cautions \u00e0 prendre lors de la dissolution du HPMC<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c824d01 elementor-widget elementor-widget-text-editor\" data-id=\"c824d01\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dans le processus de dissolution du HPMC, de nombreux d\u00e9tails op\u00e9rationnels d\u00e9terminent souvent l'effet de dissolution final et la performance du produit. Si l'op\u00e9ration n'est pas effectu\u00e9e correctement, des grumeaux, une viscosit\u00e9 in\u00e9gale ou une dissolution incompl\u00e8te peuvent facilement se produire. Voici quelques aspects qui requi\u00e8rent une attention particuli\u00e8re lors de la dissolution du HPMC :<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d367c46 elementor-widget elementor-widget-heading\" data-id=\"d367c46\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. conseils pour \u00e9viter la formation de grumeaux lors de la dissolution du HPMC<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c53220e elementor-widget elementor-widget-text-editor\" data-id=\"c53220e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L'un des probl\u00e8mes les plus courants lors de la dissolution du HPMC est l'agglom\u00e9ration. Lorsque la poudre d'HPMC entre en contact avec l'eau, si elle n'est pas remu\u00e9e \u00e0 temps ou si elle est dispers\u00e9e de mani\u00e8re in\u00e9gale, il est facile de former un film \u00e0 la surface de l'eau, ce qui emp\u00eache la couche interne de la poudre d'absorber l'eau et de se dissoudre, et finit par former des flocs ou des amas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe66349 elementor-widget elementor-widget-heading\" data-id=\"fe66349\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Solution :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fc5af0 elementor-widget elementor-widget-text-editor\" data-id=\"9fc5af0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Vitesse de dispersion : la poudre doit \u00eatre dispers\u00e9e lentement et uniform\u00e9ment, ne pas ajouter une grande quantit\u00e9 d'eau en une seule fois pour s'assurer que chaque partie de l'HPMC a suffisamment de temps pour \u00eatre dispers\u00e9e.<\/li><li>M\u00e9thode de m\u00e9lange : La vitesse de m\u00e9lange doit rester faible pendant le processus de m\u00e9lange afin d'\u00e9viter la formation de bulles ou de grumeaux due \u00e0 un m\u00e9lange \u00e0 grande vitesse. Il est recommand\u00e9 d'utiliser un m\u00e9langeur \u00e0 spirale ou un m\u00e9langeur \u00e0 palettes pour s'assurer que le flux d'eau forme un vortex, ce qui aidera le HPMC \u00e0 absorber progressivement l'eau et \u00e0 se dissoudre.<\/li><li>Pr\u00e9-m\u00e9lange \u00e0 l'avance : Si les conditions le permettent, le HPMC peut \u00eatre m\u00e9lang\u00e9 \u00e0 une petite quantit\u00e9 d'autres poudres s\u00e8ches pour augmenter la dispersion, puis saupoudr\u00e9 progressivement dans l'eau pour le dissoudre.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e03d588 elementor-widget elementor-widget-heading\" data-id=\"e03d588\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. la dissolution de l'HPMC n\u00e9cessite de contr\u00f4ler la temp\u00e9rature de l'eau<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5d4c5b elementor-widget elementor-widget-text-editor\" data-id=\"b5d4c5b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L'HPMC est tr\u00e8s sensible \u00e0 la temp\u00e9rature et pr\u00e9sente des diff\u00e9rences significatives dans les caract\u00e9ristiques de dissolution \u00e0 diff\u00e9rentes temp\u00e9ratures. L'HPMC se disperse g\u00e9n\u00e9ralement mieux dans l'eau froide, alors qu'il a tendance \u00e0 gonfler ou \u00e0 s'agglom\u00e9rer dans l'eau chaude.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eded48c elementor-widget elementor-widget-heading\" data-id=\"eded48c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Solution :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8d37ec elementor-widget elementor-widget-text-editor\" data-id=\"b8d37ec\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>\u00c9viter d'utiliser des temp\u00e9ratures \u00e9lev\u00e9es pour dissoudre directement le HPMC. Il est recommand\u00e9 d'utiliser la m\u00e9thode de dispersion \u00e0 l'eau froide, ou d'utiliser de l'eau chaude pour remuer d'abord, puis d'ajouter progressivement de l'eau froide pour ajuster \u00e0 la temp\u00e9rature appropri\u00e9e (environ 20-30\u2103).<\/li><li>Si de l'eau chaude doit \u00eatre utilis\u00e9e, disperser d'abord l'HPMC dans une petite quantit\u00e9 d'eau chaude, puis ajouter de l'eau froide pour abaisser la temp\u00e9rature, afin d'\u00e9viter une augmentation soudaine de la viscosit\u00e9 ou la formation d'un gel.<\/li><li>Il est plus efficace de contr\u00f4ler la temp\u00e9rature de l'eau \u00e0 la temp\u00e9rature ambiante (20-25\u2103), ce qui peut acc\u00e9l\u00e9rer la vitesse de dissolution et assurer la stabilit\u00e9 de la solution.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ecf20df elementor-widget elementor-widget-heading\" data-id=\"ecf20df\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3.Equipement et outils recommand\u00e9s pour la dissolution de l'HPMC<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ebafc0 elementor-widget elementor-widget-text-editor\" data-id=\"4ebafc0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le choix de l'\u00e9quipement et des outils de m\u00e9lange appropri\u00e9s est tout aussi important lors de la dissolution du HPMC. Le bon \u00e9quipement peut am\u00e9liorer de mani\u00e8re significative l'efficacit\u00e9 de la dissolution et r\u00e9duire les erreurs op\u00e9rationnelles.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fa6e72 elementor-widget elementor-widget-heading\" data-id=\"2fa6e72\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Equipement recommand\u00e9 :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60bc9c2 elementor-widget elementor-widget-text-editor\" data-id=\"60bc9c2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><b><\/b><strong><b>M\u00e9langeur<\/b><\/strong>Le m\u00e9langeur : m\u00e9langeur \u00e0 h\u00e9lice \u00e0 basse vitesse ou m\u00e9langeur \u00e0 cadre, qui contribue \u00e0 former un l\u00e9ger tourbillon pour assurer une dispersion uniforme de l'HPMC.<\/li><li><b><\/b><strong><b>Haut d\u00e9bit <\/b><\/strong><strong><b>D<\/b><\/strong><strong><b>isperser<\/b><\/strong>Le m\u00e9langeur peut \u00eatre utilis\u00e9 pour la production de grands volumes ou pour des sc\u00e9narios n\u00e9cessitant une dissolution rapide, mais il faut veiller \u00e0 ne pas trop agiter le m\u00e9lange afin d'\u00e9viter la formation de bulles d'air.<\/li><li><b><\/b><strong><b>Tamis<\/b><\/strong>: Avant l'\u00e9pandage, utiliser le tamis pour pr\u00e9-cribler le HPMC, ce qui permet d'\u00e9viter la formation d'agglom\u00e9rats lorsque de grosses particules sont directement mises dans l'eau.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7e1448 elementor-widget elementor-widget-image\" data-id=\"d7e1448\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"414\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC\u6eb6\u6db2-1024x530.webp\" class=\"attachment-large size-large wp-image-9972\" alt=\"Solution HPMC\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC\u6eb6\u6db2-1024x530.webp 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC\u6eb6\u6db2-300x155.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC\u6eb6\u6db2-768x397.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/01\/HPMC\u6eb6\u6db2.webp 1081w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a09eb04 elementor-widget elementor-widget-heading\" data-id=\"a09eb04\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II. Probl\u00e8mes courants et solutions \u00e0 la dissolution de l'HPMC<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-feadbde elementor-widget elementor-widget-text-editor\" data-id=\"feadbde\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>M\u00eame apr\u00e8s avoir ma\u00eetris\u00e9 les techniques de dissolution, vous pouvez encore rencontrer divers probl\u00e8mes de dissolution dans la pratique. Vous trouverez ci-dessous quelques probl\u00e8mes courants et leurs solutions :<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-793a24d elementor-widget elementor-widget-heading\" data-id=\"793a24d\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Raisons et contre-mesures pour l'agglom\u00e9ration du HPMC apr\u00e8s dissolution<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfe391b elementor-widget elementor-widget-heading\" data-id=\"bfe391b\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Raisons :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6f76ea elementor-widget elementor-widget-text-editor\" data-id=\"d6f76ea\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>La poudre est saupoudr\u00e9e dans l'eau trop rapidement et n'est pas remu\u00e9e \u00e0 temps, ce qui fait que la couche externe de HPMC absorbe l'eau et se dilate en premier, tandis que la couche interne ne peut pas entrer en contact avec l'eau.<\/li><li>La temp\u00e9rature de l'eau est trop \u00e9lev\u00e9e et l'HPMC se dilate rapidement pour former une masse g\u00e9latineuse lorsqu'il est chauff\u00e9.<\/li><li>La vitesse d'agitation est trop rapide ou trop lente, ce qui entra\u00eene une dispersion in\u00e9gale.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-596ee94 elementor-widget elementor-widget-heading\" data-id=\"596ee94\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Solution :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cd340d elementor-widget elementor-widget-text-editor\" data-id=\"1cd340d\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Passer \u00e0 la m\u00e9thode de dispersion \u00e0 l'eau froide ou \u00e0 la m\u00e9thode de m\u00e9lange de poudres s\u00e8ches, s'assurer que le HPMC est lentement saupoudr\u00e9 dans l'eau et maintenir une vitesse de m\u00e9lange faible.<\/li><li>Si des agglom\u00e9rats se sont form\u00e9s, essayez d'ajouter de l'eau pour diluer et continuer \u00e0 m\u00e9langer, ou utilisez un tamis fin pour filtrer la partie agglom\u00e9r\u00e9e.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-750ffc7 elementor-widget elementor-widget-heading\" data-id=\"750ffc7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. viscosit\u00e9 instable apr\u00e8s dissolution de l'HPMC<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69d8410 elementor-widget elementor-widget-heading\" data-id=\"69d8410\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Raison :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d9eaa2 elementor-widget elementor-widget-text-editor\" data-id=\"2d9eaa2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>La temp\u00e9rature de l'eau a beaucoup fluctu\u00e9 pendant la dissolution, ce qui a entra\u00een\u00e9 une dissolution in\u00e9gale de l'HPMC.<\/li><li>Temps d'agitation insuffisant ou temps de repos trop court, l'HPMC n'est pas compl\u00e8tement dissous.<\/li><li>Les diff\u00e9rences entre les lots de HPMC ou les mauvaises conditions de stockage affectent la stabilit\u00e9 de la viscosit\u00e9.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d9b577 elementor-widget elementor-widget-heading\" data-id=\"9d9b577\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Solution :<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-654439e elementor-widget elementor-widget-text-editor\" data-id=\"654439e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Maintenir une temp\u00e9rature constante de l'eau pendant le processus de dissolution, remuer et laisser reposer suffisamment longtemps (g\u00e9n\u00e9ralement 2 \u00e0 4 heures) pour que l'HPMC se dissolve compl\u00e8tement.<\/li><li>Remuer \u00e0 nouveau apr\u00e8s la dissolution pour assurer une viscosit\u00e9 uniforme.<\/li><li>Contr\u00f4ler r\u00e9guli\u00e8rement la qualit\u00e9 des lots de HPMC afin d'en garantir la coh\u00e9rence.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c37fda elementor-widget elementor-widget-heading\" data-id=\"9c37fda\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3.Comment tester la qualit\u00e9 et la performance de la solution HPMC\uff1f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1891c46 elementor-widget elementor-widget-text-editor\" data-id=\"1891c46\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><b>Apparence<\/b><\/strong><strong><b>\u00a0C<\/b><\/strong><strong><b>heck<\/b><\/strong><strong><b>\uff1a<\/b><\/strong>La solution d'HPMC doit \u00eatre transparente ou semi-transparente, sans particules \u00e9videntes ni pr\u00e9cipitation.<\/p><p><strong><b>Viscosit\u00e9<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Mesures<\/b><\/strong><strong><b>\uff1a<\/b><\/strong>Utiliser un viscosim\u00e8tre pour mesurer la viscosit\u00e9 de la solution afin de s'assurer qu'elle se situe dans la fourchette des exigences du produit.<\/p><p><strong><b>Capacit\u00e9 d'\u00e9coulement <\/b><\/strong><strong><b>T<\/b><\/strong><strong><b>est<\/b><\/strong><strong><b>\uff1a<\/b><\/strong>La fluidit\u00e9 et la stabilit\u00e9 de la solution HPMC sont test\u00e9es par une exp\u00e9rience de fluidit\u00e9 pour s'assurer qu'elle r\u00e9pond aux exigences de l'application r\u00e9elle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7d7fd1 elementor-widget elementor-widget-image\" data-id=\"e7d7fd1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"522\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/12\/\u7c98\u5ea6\u6d4b\u8bd5.webp\" class=\"attachment-large size-large wp-image-9613\" alt=\"Test de viscosit\u00e9\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/12\/\u7c98\u5ea6\u6d4b\u8bd5.webp 800w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/12\/\u7c98\u5ea6\u6d4b\u8bd5-300x196.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/12\/\u7c98\u5ea6\u6d4b\u8bd5-768x501.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d48e38e elementor-widget elementor-widget-heading\" data-id=\"d48e38e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a00d096 elementor-widget elementor-widget-text-editor\" data-id=\"a00d096\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLe processus de dissolution du HPMC semble simple, mais il comporte en r\u00e9alit\u00e9 de nombreux d\u00e9tails. Une op\u00e9ration de dissolution standardis\u00e9e peut garantir que l'HPMC peut exploiter pleinement ses effets d'\u00e9paississement, de r\u00e9tention d'eau et de formation de film. En m\u00eame temps, elle permet d'\u00e9viter efficacement les probl\u00e8mes de prise en masse et de viscosit\u00e9 instable.\n\n \n\nDans l'application r\u00e9elle de l'HPMC, diff\u00e9rentes m\u00e9thodes et techniques de dissolution doivent \u00eatre ma\u00eetris\u00e9es pour garantir la stabilit\u00e9 de l'HPMC.<a style=\"color:#27B293\" href=\"https:\/\/tenessy.com\/\" target=\"_blank\" rel=\"noopener\">TENSITE<\/a>\u00a0s'efforce de vous fournir des produits d'\u00e9ther de cellulose de haute qualit\u00e9 et des solutions \u00e0 vos probl\u00e8mes.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>HPMC dissolution , nous devons pr\u00eater attention \u00e0 ces questions, afin de r\u00e9soudre efficacement les probl\u00e8mes de mottage, de viscosit\u00e9 et autres.<\/p>","protected":false},"author":1,"featured_media":10614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[34],"tags":[69],"class_list":["post-9969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news","tag-hpmc-dissolution"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Solve the Problem of HPMC Dissolution? 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