{"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\/it\/meccanismo-dazione-dellhpmc-negli-adesivi-per-piastrelle-e-suo-effetto-sul-miglioramento-delle-prestazioni-di-incollaggio\/","title":{"rendered":"Meccanismo d'azione dell'HPMC negli adesivi per piastrelle e suo effetto sul miglioramento delle prestazioni di incollaggio"},"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 nella colla per piastrelle\" 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.Introduzione<\/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\/\">Idrossipropilmetilcellulosa (HPMC)<\/a> \u00e8 un additivo funzionale di base indispensabile nelle formulazioni di adesivi per piastrelle. \u00c8 un prodotto non ionico solubile in acqua. <a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\">etere di cellulosa<\/a> prodotto dal cotone raffinato attraverso l'alcalinizzazione e l'eterificazione. L'HPMC offre un'eccellente <strong>ritenzione idrica, capacit\u00e0 di addensamento, propriet\u00e0 di formazione di film e modifica della reologia<\/strong>.<\/p><p>La funzione principale dell'adesivo per piastrelle \u00e8 quella di incollare saldamente le piastrelle di ceramica ai substrati. La forza di adesione, la durata e la lavorabilit\u00e0 determinano direttamente la qualit\u00e0 della posa. Sebbene l'HPMC non partecipi direttamente alla reazione chimica di incollaggio, ottimizza il sistema adesivo per piastrelle attraverso molteplici meccanismi, favorendo l'idratazione del cemento, migliorando la lavorabilit\u00e0 e rafforzando il legame interfacciale, migliorando cos\u00ec in modo sostanziale la forza di adesione e prevenendo efficacemente l'incavo e il distacco delle piastrelle.<\/p><p>Questo articolo analizza il meccanismo di adesione degli adesivi per piastrelle e spiega sistematicamente come l'HPMC migliori le prestazioni di adesione, con il supporto di dati e tabelle comparative, fornendo una guida teorica per l'ottimizzazione della formulazione e l'applicazione pratica.<\/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.Principi fondamentali dell'incollaggio delle piastrelle<\/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>Il meccanismo di adesione degli adesivi per piastrelle si basa su un duplice effetto: <strong>adesione interfacciale + forza coesiva<\/strong>. Dipende principalmente dall'idratazione del cemento e dall'efficace bagnatura del substrato.<\/p><p><a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/hpmc-for-tile-adhesive\/\">Adesivo per piastrelle<\/a> \u00e8 tipicamente costituito da cemento, sabbia di quarzo, additivi funzionali (principalmente HPMC) e acqua. La forza di adesione dipende da tre fattori critici:<\/p><ol><li><strong>Idratazione del cemento sufficiente<\/strong>formando un'adeguata forza coesiva.<\/li><li><strong>Bagnare efficacemente i fondi e i substrati delle piastrelle<\/strong>riducendo al minimo i vuoti interfacciali.<\/li><li><strong>Stabilit\u00e0 del sistema durante l'essiccazione<\/strong>, assicurando un ritiro uniforme senza fessurazioni o distacchi.<\/li><\/ol><p>Senza HPMC, la rapida perdita di umidit\u00e0 influisce negativamente sull'idratazione del cemento, causando scarsa lavorabilit\u00e0, ritiro eccessivo, contatto interfacciale insufficiente e ridotta forza coesiva. L'HPMC affronta sistematicamente questi problemi attraverso effetti multidimensionali coordinati.<\/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. Meccanismi fondamentali attraverso i quali l'HPMC aumenta la forza del legame<\/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-Idrossipropilmetilcellulosa\" 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. Ritenzione idrica: Garantire la completa idratazione del cemento<\/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'idratazione del cemento richiede un'umidit\u00e0 sufficiente e prolungata. Durante la posa delle piastrelle, i sottofondi e le piastrelle a basso assorbimento (ad esempio, il gres porcellanato) assorbono rapidamente l'acqua, mentre l'evaporazione accelera la perdita di umidit\u00e0. Ci\u00f2 pu\u00f2 causare un'interruzione prematura dell'idratazione (\"falsa presa\"), riducendo la formazione del prodotto di idratazione (ad esempio, il gel C-S-H) e diminuendo la forza di adesione.<\/p><p>L'HPMC contiene numerosi gruppi idrossilici ed etere. Una volta disciolto, forma una pellicola protettiva che trattiene l'acqua intorno alle particelle di cemento e sabbia. La sua rete molecolare tridimensionale trattiene efficacemente l'acqua libera, rallentando l'evaporazione e l'assorbimento del substrato.<\/p><p>I risultati sperimentali mostrano che l'aggiunta di <strong>0,3%-0,5% HPMC aumenta la ritenzione idrica a oltre 85%<\/strong>garantendo un'idratazione continua per 24-48 ore, consentendo il pieno sviluppo dei prodotti di idratazione del cemento e migliorando significativamente la forza adesiva.<\/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. Modifica della reologia: Miglioramento della lavorabilit\u00e0 e dell'area di contatto effettiva<\/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>La scarsa lavorabilit\u00e0 provoca una stesura non uniforme, lo scivolamento delle piastrelle e un contatto incompleto con il substrato.<\/p><p>L'HPMC migliora la reologia in tre modi:<\/p><ul><li><strong>Effetto addensante<\/strong>: Previene i cedimenti sulle superfici verticali.<\/li><li><strong>Miglioramento della tissotropia<\/strong>: Bassa viscosit\u00e0 durante la miscelazione e l'applicazione; rapido recupero della viscosit\u00e0 a riposo per evitare lo scivolamento delle piastrelle.<\/li><li><strong>Effetto lubrificante<\/strong>: Riduce l'attrito interno, migliora la scorrevolezza e aumenta il riempimento dei micropori superficiali.<\/li><\/ul><p>L'aumento dell'area di contatto effettiva aumenta direttamente la forza di adesione.<\/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. Miglioramento della coesione: Riduzione del ritiro e delle fessurazioni<\/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>L'HPMC forma una rete tridimensionale che integra i prodotti di idratazione del cemento e gli aggregati in una struttura densa, migliorando la coesione e la flessibilit\u00e0.<\/p><ul><li>Riduce la contrazione da essiccazione\u00a0<strong>0,3-0,5% a meno di 0,1%<\/strong>.<\/li><li>Migliora la resistenza alla flessione e alla compressione.<\/li><li>Disperde le sollecitazioni da ritiro, riducendo al minimo la formazione di crepe.<\/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. Miglioramento della bagnatura interfacciale: Rafforzamento dell'adesione<\/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>L'HPMC riduce la tensione superficiale e migliora le prestazioni di bagnatura, consentendo una copertura completa della malta (\"full bedding\").<\/p><ul><li>Migliora l'adesione alle piastrelle in gres porcellanato a basso assorbimento.<\/li><li>Migliora l'incastro meccanico con i substrati in calcestruzzo grezzo.<\/li><li>Favorisce la deposizione del prodotto di idratazione all'interfaccia.<\/li><\/ul><p>In questo modo si riducono i rischi di incavatura e debonding.<\/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. Stabilizzazione del sistema: Garantire la durata a lungo termine<\/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>L'HPMC garantisce stabilit\u00e0 chimica e compatibilit\u00e0 con il cemento e gli additivi.<\/p><ul><li>Resistente agli alcali e alla degradazione microbica.<\/li><li>Mantiene le prestazioni meccaniche a lungo termine.<\/li><li>La propriet\u00e0 filmogena riduce la penetrazione di umidit\u00e0 e contaminanti esterni.<\/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. Confronto delle prestazioni: Con e senza 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>Indicatore di prestazione<\/th><th>Senza HPMC<\/th><th>Con 0,4% HPMC<\/th><th>Miglioramento<\/th><th>Impatto sulla forza di legame<\/th><\/tr><\/thead><tbody><tr><td>Ritenzione idrica (24 ore)<\/td><td>62%<\/td><td>88%<\/td><td>+41.9%<\/td><td>Assicura un'idratazione completa<\/td><\/tr><tr><td>Forza di legame a trazione<\/td><td>0,65 MPa<\/td><td>1,32 MPa<\/td><td>+103.1%<\/td><td>Aumento diretto della forza<\/td><\/tr><tr><td>Essiccazione Restringimento<\/td><td>0.42%<\/td><td>0.09%<\/td><td>-78.6%<\/td><td>Riduzione delle fessurazioni<\/td><\/tr><tr><td>Resistenza alla flessione<\/td><td>2,1 MPa<\/td><td>3,8 MPa<\/td><td>+81.0%<\/td><td>Maggiore coesione<\/td><\/tr><tr><td>Area di bagnatura dell'interfaccia<\/td><td>75%<\/td><td>98%<\/td><td>+30.7%<\/td><td>Incollaggio completo<\/td><\/tr><tr><td>Tasso di incavatura (72h)<\/td><td>18%<\/td><td>2%<\/td><td>-88.9%<\/td><td>Miglioramento della qualit\u00e0 dell'installazione<\/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.Considerazioni sull'applicazione<\/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. Selezione del grado<\/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>Si consigliano gradi di viscosit\u00e0 medio-alta (10.000-100.000 mPa-s, soluzione 2% a 20\u00b0C).<br \/>Metossi: 28-30%; Idrossipropossi: 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. Dosaggio<\/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>Dosaggio consigliato: <strong>0,3%-0,5%<\/strong> del peso totale dell'impasto secco.<\/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. Procedura di miscelazione<\/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>Pre-miscelare i materiali secchi prima di aggiungere l'acqua per evitare la formazione di grumi e garantire una dispersione 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\">Conclusione<\/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>L'HPMC migliora le prestazioni dell'adesivo per piastrelle attraverso cinque meccanismi chiave:<\/p><ul><li>Ritenzione idrica<\/li><li>Controllo della reologia<\/li><li>Potenziamento della coesione<\/li><li>Miglioramento della bagnatura interfacciale<\/li><li>Stabilizzazione del sistema<\/li><\/ul><p>Sebbene non partecipi direttamente al legame chimico, l'HPMC assicura la completa idratazione del cemento, migliora la lavorabilit\u00e0, riduce le fessurazioni da ritiro e rafforza il legame interfacciale, prevenendo efficacemente l'avvallamento e il distacco delle piastrelle.<\/p><p>I dati sperimentali confermano che l'HPMC aumenta significativamente la ritenzione idrica, la resistenza alla trazione e la forza coesiva, riducendo al contempo i tassi di ritiro e di cavit\u00e0.<\/p><p>Con l'aumento degli standard di qualit\u00e0 delle costruzioni, HPMC continuer\u00e0 a svolgere un ruolo cruciale nello sviluppo di adesivi per piastrelle ad alte prestazioni, durevoli e di facile applicazione, fornendo soluzioni di incollaggio affidabili per i moderni <a href=\"https:\/\/tenessy.com\/applications\/construction-and-building-solution\/\">applicazioni per l'edilizia<\/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'idrossipropilmetilcellulosa (HPMC) \u00e8 un additivo funzionale di base indispensabile nelle formulazioni di adesivi per piastrelle. Si tratta di un etere di cellulosa non ionico e solubile in acqua, prodotto dal cotone raffinato mediante alcalinizzazione ed eterificazione. L'HPMC offre un'eccellente ritenzione idrica, capacit\u00e0 di addensare, propriet\u00e0 filmogene e modifica la reologia.<\/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\/it\/meccanismo-dazione-dellhpmc-negli-adesivi-per-piastrelle-e-suo-effetto-sul-miglioramento-delle-prestazioni-di-incollaggio\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\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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