{"id":14122,"date":"2026-03-13T07:26:38","date_gmt":"2026-03-13T07:26:38","guid":{"rendered":"https:\/\/tenessy.com\/?p=14122"},"modified":"2026-03-13T07:37:01","modified_gmt":"2026-03-13T07:37:01","slug":"mechanism-of-action-of-hpmc-in-tile-adhesives-and-its-effect-on-bonding-performance-enhancement","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fr\/mecanisme-daction-de-lhpmc-dans-les-adhesifs-pour-carrelage-et-son-effet-sur-lamelioration-des-performances-de-collage\/","title":{"rendered":"M\u00e9canisme d'action du HPMC dans les adh\u00e9sifs pour carrelage et son effet sur l'am\u00e9lioration des performances de collage"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14122\" class=\"elementor elementor-14122\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-flex e-con-boxed e-con e-parent\" data-id=\"fdbc6e4\" 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-20af60d elementor-widget elementor-widget-image\" data-id=\"20af60d\" 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=\"533\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/11\/HPMC-in-tile-adhesive_1_11zon.webp\" class=\"attachment-large size-large wp-image-10700\" alt=\"HPMC dans la colle \u00e0 carreaux\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/11\/HPMC-in-tile-adhesive_1_11zon.webp 800w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/11\/HPMC-in-tile-adhesive_1_11zon-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/11\/HPMC-in-tile-adhesive_1_11zon-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/11\/HPMC-in-tile-adhesive_1_11zon-18x12.webp 18w\" 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-4020bf0 elementor-widget elementor-widget-heading\" data-id=\"4020bf0\" 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\">\u2160.Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" 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 href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\">Hydroxypropylm\u00e9thylcellulose (HPMC)<\/a> est un additif fonctionnel de base indispensable dans les formulations d'adh\u00e9sifs pour carrelage. Il s'agit d'un additif non ionique soluble dans l'eau <a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\">\u00e9ther de cellulose<\/a> produit \u00e0 partir de coton raffin\u00e9 par alcalinisation et \u00e9th\u00e9rification. Le HPMC offre d'excellentes <strong>r\u00e9tention d'eau, capacit\u00e9 d'\u00e9paississement, propri\u00e9t\u00e9s filmog\u00e8nes et modification de la rh\u00e9ologie<\/strong>.<\/p><p>La fonction premi\u00e8re de l'adh\u00e9sif pour carrelage est de coller fermement les carreaux de c\u00e9ramique aux substrats. Sa force d'adh\u00e9rence, sa durabilit\u00e9 et sa maniabilit\u00e9 d\u00e9terminent directement la qualit\u00e9 de l'installation. Bien que le HPMC ne participe pas directement \u00e0 la r\u00e9action chimique de collage, il optimise le syst\u00e8me de collage des carreaux par le biais de plusieurs m\u00e9canismes - en soutenant l'hydratation du ciment, en am\u00e9liorant la maniabilit\u00e9 et en renfor\u00e7ant la liaison interfaciale - ce qui am\u00e9liore fondamentalement la force d'adh\u00e9rence et emp\u00eache efficacement le creusement et le d\u00e9tachement des carreaux.<\/p><p>Cet article analyse le m\u00e9canisme de collage des adh\u00e9sifs pour carrelage et explique syst\u00e9matiquement comment l'HPMC am\u00e9liore les performances de collage, en s'appuyant sur des donn\u00e9es comparatives et des tableaux, fournissant des conseils th\u00e9oriques pour l'optimisation de la formulation et l'application pratique.<\/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-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" 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\">\u2161.Principes fondamentaux du collage des carreaux de c\u00e9ramique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9058448 elementor-widget elementor-widget-text-editor\" data-id=\"9058448\" 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 m\u00e9canisme de collage des colles \u00e0 carrelage repose sur un double effet : <strong>Adh\u00e9sion interfaciale + force de coh\u00e9sion<\/strong>. Elle d\u00e9pend principalement de l'hydratation du ciment et de l'humidification efficace du substrat.<\/p><p><a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/hpmc-for-tile-adhesive\/\">Colle \u00e0 carreaux<\/a> se compose g\u00e9n\u00e9ralement de ciment, de sable de quartz, d'additifs fonctionnels (principalement HPMC) et d'eau. La force d'adh\u00e9rence d\u00e9pend de trois facteurs essentiels :<\/p><ol><li><strong>Hydratation suffisante du ciment<\/strong>et forment une force de coh\u00e9sion ad\u00e9quate.<\/li><li><strong>Mouillage efficace des dos de carreaux et des substrats<\/strong>minimisant ainsi les vides interfaciaux.<\/li><li><strong>Stabilit\u00e9 du syst\u00e8me pendant le s\u00e9chage<\/strong>La structure de l'emballage est en acier inoxydable, ce qui garantit un retrait uniforme sans fissure ni d\u00e9collement.<\/li><\/ol><p>Sans HPMC, la perte rapide d'humidit\u00e9 affecte n\u00e9gativement l'hydratation du ciment, entra\u00eenant une mauvaise ouvrabilit\u00e9, un retrait excessif, un contact interfacial insuffisant et une r\u00e9duction de la force de coh\u00e9sion. L'HPMC r\u00e9sout syst\u00e9matiquement ces probl\u00e8mes gr\u00e2ce \u00e0 des effets multidimensionnels coordonn\u00e9s.<\/p>\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<div class=\"elementor-element elementor-element-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" 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-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" 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\">\u2162. M\u00e9canismes fondamentaux par lesquels le HPMC renforce la force d'adh\u00e9rence<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c01a791 elementor-widget elementor-widget-image\" data-id=\"c01a791\" 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=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.webp\" class=\"attachment-large size-large wp-image-14127\" alt=\"HPMC-Hydroxypropyl-M\u00e9thyl-Cellulose\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.webp 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1536x1024.webp 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-2048x1365.webp 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-18x12.webp 18w\" 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-7420998 elementor-widget elementor-widget-heading\" data-id=\"7420998\" 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. R\u00e9tention de l'eau : Assurer l'hydratation compl\u00e8te du ciment<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b10f69 elementor-widget elementor-widget-text-editor\" data-id=\"1b10f69\" 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'hydratation du ciment n\u00e9cessite une humidit\u00e9 suffisante et durable. Pendant la pose des carreaux, les substrats et les carreaux \u00e0 faible absorption (par exemple, les carreaux de porcelaine) absorbent rapidement l'eau, tandis que l'\u00e9vaporation acc\u00e9l\u00e8re la perte d'humidit\u00e9. Cela peut entra\u00eener une interruption pr\u00e9matur\u00e9e de l'hydratation (\"fausse prise\"), r\u00e9duisant la formation de produits d'hydratation (par exemple, le gel C-S-H) et diminuant la force d'adh\u00e9rence.<\/p><p>Le HPMC contient de nombreux groupes hydroxyle et \u00e9ther hydrophiles. Une fois dissous, il forme un film protecteur qui retient l'eau autour des particules de ciment et de sable. Son r\u00e9seau mol\u00e9culaire tridimensionnel retient efficacement l'eau libre, ralentissant l'\u00e9vaporation et l'absorption du substrat.<\/p><p>Les r\u00e9sultats exp\u00e9rimentaux montrent que l'ajout de <strong>0,3%-0,5% HPMC augmente la r\u00e9tention d'eau \u00e0 plus de 85%<\/strong>L'hydratation continue pendant 24 \u00e0 48 heures permet de d\u00e9velopper pleinement les produits d'hydratation du ciment et d'am\u00e9liorer consid\u00e9rablement la r\u00e9sistance de l'adh\u00e9sif.<\/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-a5fd217 elementor-widget elementor-widget-heading\" data-id=\"a5fd217\" 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. Modification de la rh\u00e9ologie : Am\u00e9lioration de la maniabilit\u00e9 et de la surface de contact effective<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c553277 elementor-widget elementor-widget-text-editor\" data-id=\"c553277\" 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>Une mauvaise maniabilit\u00e9 entra\u00eene un \u00e9talement in\u00e9gal, un glissement des carreaux et un contact incomplet avec le substrat.<\/p><p>Le HPMC am\u00e9liore la rh\u00e9ologie de trois mani\u00e8res :<\/p><ul><li><strong>Effet \u00e9paississant<\/strong>: Emp\u00eache l'affaissement des surfaces verticales.<\/li><li><strong>Am\u00e9lioration de la thixotropie<\/strong>: Faible viscosit\u00e9 pendant le m\u00e9lange et l'application ; r\u00e9cup\u00e9ration rapide de la viscosit\u00e9 au repos pour \u00e9viter le glissement des carreaux.<\/li><li><strong>Effet de lubrification<\/strong>: R\u00e9duit le frottement interne, am\u00e9liore le lissage et le remplissage des micropores de la surface.<\/li><\/ul><p>L'augmentation de la surface de contact effective am\u00e9liore directement la force d'adh\u00e9rence.<\/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-75572ee elementor-widget elementor-widget-heading\" data-id=\"75572ee\" 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. Am\u00e9lioration de la coh\u00e9sion : R\u00e9duction de la r\u00e9traction et de la fissuration<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fbed51 elementor-widget elementor-widget-text-editor\" data-id=\"9fbed51\" 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 HPMC forme un r\u00e9seau tridimensionnel qui int\u00e8gre les produits d'hydratation du ciment et les agr\u00e9gats dans une structure dense, am\u00e9liorant la coh\u00e9sion et la flexibilit\u00e9.<\/p><ul><li>R\u00e9duit le r\u00e9tr\u00e9cissement d\u00fb au s\u00e9chage\u00a0<strong>0,3-0,5% \u00e0 moins de 0,1%<\/strong>.<\/li><li>Am\u00e9liore la r\u00e9sistance \u00e0 la flexion et \u00e0 la compression.<\/li><li>Dispose des contraintes de retrait, minimisant la formation de fissures.<\/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-de73bd3 elementor-widget elementor-widget-heading\" data-id=\"de73bd3\" 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\">4. Am\u00e9lioration du mouillage interfacial : Renforcement de l'adh\u00e9sion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb916fa elementor-widget elementor-widget-text-editor\" data-id=\"cb916fa\" 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 HPMC r\u00e9duit la tension superficielle et am\u00e9liore la performance de mouillage, permettant une couverture compl\u00e8te du mortier (\"full bedding\").<\/p><ul><li>Am\u00e9liore l'adh\u00e9rence aux carreaux de porcelaine \u00e0 faible absorption.<\/li><li>Am\u00e9liore l'embo\u00eetement m\u00e9canique avec les substrats en b\u00e9ton brut.<\/li><li>Favorise le d\u00e9p\u00f4t de produits d'hydratation \u00e0 l'interface.<\/li><\/ul><p>Cela r\u00e9duit les risques de creusement et de d\u00e9collement.<\/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-3a0470a elementor-widget elementor-widget-heading\" data-id=\"3a0470a\" 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\">5. Stabilisation du syst\u00e8me : Assurer la durabilit\u00e9 \u00e0 long terme<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbb84ec elementor-widget elementor-widget-text-editor\" data-id=\"cbb84ec\" 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 HPMC assure la stabilit\u00e9 chimique et la compatibilit\u00e9 avec le ciment et les additifs.<\/p><ul><li>R\u00e9sistant aux alcalis et \u00e0 la d\u00e9gradation microbienne.<\/li><li>Maintien des performances m\u00e9caniques \u00e0 long terme.<\/li><li>La propri\u00e9t\u00e9 de formation d'un film r\u00e9duit la p\u00e9n\u00e9tration de l'humidit\u00e9 ext\u00e9rieure et des contaminants.<\/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-2574a91 elementor-widget elementor-widget-heading\" data-id=\"2574a91\" 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\">\u2163. Comparaison des performances : Avec et sans HPMC<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe238cd elementor-widget elementor-widget-text-editor\" data-id=\"fe238cd\" 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<table><thead><tr><th>Indicateur de performance<\/th><th>Sans HPMC<\/th><th>Avec 0,4% HPMC<\/th><th>Am\u00e9lioration<\/th><th>Impact sur la force d'adh\u00e9rence<\/th><\/tr><\/thead><tbody><tr><td>R\u00e9tention d'eau (24h)<\/td><td>62%<\/td><td>88%<\/td><td>+41.9%<\/td><td>Assure une hydratation compl\u00e8te<\/td><\/tr><tr><td>R\u00e9sistance \u00e0 la traction<\/td><td>0,65 MPa<\/td><td>1,32 MPa<\/td><td>+103.1%<\/td><td>Augmentation directe de la r\u00e9sistance<\/td><\/tr><tr><td>S\u00e9chage R\u00e9traction<\/td><td>0.42%<\/td><td>0.09%<\/td><td>-78.6%<\/td><td>R\u00e9duction de la fissuration<\/td><\/tr><tr><td>R\u00e9sistance \u00e0 la flexion<\/td><td>2,1 MPa<\/td><td>3,8 MPa<\/td><td>+81.0%<\/td><td>Une plus grande coh\u00e9sion<\/td><\/tr><tr><td>Zone de mouillage de l'interface<\/td><td>75%<\/td><td>98%<\/td><td>+30.7%<\/td><td>Liaison avec Fuller<\/td><\/tr><tr><td>Taux de creusage (72h)<\/td><td>18%<\/td><td>2%<\/td><td>-88.9%<\/td><td>Am\u00e9lioration de la qualit\u00e9 de l'installation<\/td><\/tr><\/tbody><\/table>\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-0251bbc elementor-widget elementor-widget-heading\" data-id=\"0251bbc\" 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\">\u2164.Consid\u00e9rations relatives \u00e0 l'application<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7baa06e elementor-widget elementor-widget-heading\" data-id=\"7baa06e\" 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. S\u00e9lection du grade<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fd1a6b elementor-widget elementor-widget-text-editor\" data-id=\"9fd1a6b\" 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>Les grades de viscosit\u00e9 moyenne \u00e0 \u00e9lev\u00e9e (10 000-100 000 mPa-s, solution 2% \u00e0 20\u00b0C) sont recommand\u00e9s.<br \/>M\u00e9thoxy : 28-30% ; Hydroxypropoxy : 7-12%.<\/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-509b3b5 elementor-widget elementor-widget-heading\" data-id=\"509b3b5\" 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. Dosage<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4bb863 elementor-widget elementor-widget-text-editor\" data-id=\"d4bb863\" 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>Dosage recommand\u00e9 : <strong>0,3%-0,5%<\/strong> du poids total du m\u00e9lange sec.<\/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-dcf4aa4 elementor-widget elementor-widget-heading\" data-id=\"dcf4aa4\" 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. Proc\u00e9dure de m\u00e9lange<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d4052c5 elementor-widget elementor-widget-text-editor\" data-id=\"d4052c5\" 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>Pr\u00e9-m\u00e9langer les mati\u00e8res s\u00e8ches avant d'ajouter l'eau afin d'\u00e9viter la formation de grumeaux et d'assurer une dispersion uniforme.<\/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-83ea234 elementor-widget elementor-widget-heading\" data-id=\"83ea234\" 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\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06ef32d elementor-widget elementor-widget-text-editor\" data-id=\"06ef32d\" 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 HPMC am\u00e9liore les performances de collage des carreaux par le biais de cinq m\u00e9canismes cl\u00e9s :<\/p><ul><li>R\u00e9tention d'eau<\/li><li>Contr\u00f4le de la rh\u00e9ologie<\/li><li>Renforcement de la coh\u00e9sion<\/li><li>Am\u00e9lioration du mouillage interfacial<\/li><li>Stabilisation du syst\u00e8me<\/li><\/ul><p>Bien qu'il ne participe pas directement \u00e0 la liaison chimique, le HPMC assure l'hydratation compl\u00e8te du ciment, am\u00e9liore la maniabilit\u00e9, r\u00e9duit les fissures de retrait et renforce la liaison interfaciale, pr\u00e9venant ainsi efficacement le creusement et le d\u00e9tachement des carreaux.<\/p><p>Les donn\u00e9es exp\u00e9rimentales confirment que l'HPMC augmente de mani\u00e8re significative la r\u00e9tention d'eau, la r\u00e9sistance \u00e0 la traction et la force de coh\u00e9sion tout en r\u00e9duisant les taux de retrait et de creusement.<\/p><p>Avec l'augmentation des normes de qualit\u00e9 dans le domaine de la construction, HPMC continuera \u00e0 jouer un r\u00f4le crucial dans le d\u00e9veloppement d'adh\u00e9sifs pour carrelage hautement performants, durables et faciles \u00e0 appliquer, fournissant des solutions de collage fiables pour les b\u00e2timents modernes. <a href=\"https:\/\/tenessy.com\/applications\/construction-and-building-solution\/\">les applications de construction<\/a>.<\/p>\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>L'hydroxypropylm\u00e9thylcellulose (HPMC) est un additif fonctionnel de base indispensable dans les formulations d'adh\u00e9sifs pour carrelage. Il s'agit d'un \u00e9ther de cellulose non ionique soluble dans l'eau produit \u00e0 partir de coton raffin\u00e9 par alcalinisation et \u00e9th\u00e9rification. L'HPMC offre une excellente r\u00e9tention d'eau, une capacit\u00e9 d'\u00e9paississement, des propri\u00e9t\u00e9s de formation de film et de modification de la rh\u00e9ologie.<\/p>","protected":false},"author":1,"featured_media":10700,"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":[35],"tags":[],"class_list":["post-14122","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mechanism of Action of HPMC in Tile Adhesives and Its Effect on Bonding Performance Enhancement - HPMC|HEMC|HEC|RDP Manufacturer-TENESSY<\/title>\n<meta name=\"description\" content=\"Hydroxypropyl Methylcellulose (HPMC) is an indispensable core functional additive in tile adhesive formulations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tenessy.com\/fr\/mecanisme-daction-de-lhpmc-dans-les-adhesifs-pour-carrelage-et-son-effet-sur-lamelioration-des-performances-de-collage\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanism of Action of HPMC in Tile Adhesives and Its Effect on Bonding Performance Enhancement - 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