{"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":"mecanismo-de-acao-do-hpmc-em-adesivos-para-azulejos-e-seu-efeito-no-aprimoramento-do-desempenho-da-colagem","status":"publish","type":"post","link":"https:\/\/tenessy.com\/pt\/mecanismo-de-acao-do-hpmc-em-adesivos-para-azulejos-e-seu-efeito-no-aprimoramento-do-desempenho-da-colagem\/","title":{"rendered":"Mecanismo de a\u00e7\u00e3o do HPMC em adesivos para azulejos e seu efeito no aprimoramento do desempenho da colagem"},"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-e-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-e-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 em adesivo para azulejos\" 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\" title=\"\">\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-e-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.Introdu\u00e7\u00e3o<\/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-e-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\/\">Hidroxipropilmetilcelulose (HPMC)<\/a> \u00e9 um aditivo funcional essencial indispens\u00e1vel nas formula\u00e7\u00f5es de adesivos para azulejos. \u00c9 um produto n\u00e3o i\u00f4nico sol\u00favel em \u00e1gua <a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\">\u00e9ter de celulose<\/a> produzido a partir de algod\u00e3o refinado por meio de alcaliniza\u00e7\u00e3o e eterifica\u00e7\u00e3o. O HPMC oferece excelente <strong>reten\u00e7\u00e3o de \u00e1gua, capacidade de espessamento, propriedades de forma\u00e7\u00e3o de filme e modifica\u00e7\u00e3o da reologia<\/strong>.<\/p><p>A principal fun\u00e7\u00e3o do adesivo para azulejos \u00e9 unir firmemente os azulejos de cer\u00e2mica aos substratos. Sua for\u00e7a de colagem, durabilidade e capacidade de trabalho determinam diretamente a qualidade da instala\u00e7\u00e3o. Embora o HPMC n\u00e3o participe diretamente da rea\u00e7\u00e3o de colagem qu\u00edmica, ele otimiza o sistema adesivo para azulejos por meio de v\u00e1rios mecanismos - apoiando a hidrata\u00e7\u00e3o do cimento, melhorando a trabalhabilidade e fortalecendo a colagem interfacial -, melhorando, assim, fundamentalmente a for\u00e7a de ades\u00e3o e evitando efetivamente a forma\u00e7\u00e3o de cavidades e o desprendimento dos azulejos.<\/p><p>Este artigo analisa o mecanismo de colagem dos adesivos para azulejos e explica sistematicamente como o HPMC melhora o desempenho da colagem, com o apoio de dados e tabelas comparativos, fornecendo orienta\u00e7\u00e3o te\u00f3rica para a otimiza\u00e7\u00e3o da formula\u00e7\u00e3o e a aplica\u00e7\u00e3o pr\u00e1tica.<\/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-e-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\">Princ\u00edpios fundamentais da colagem de adesivos para azulejos<\/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-e-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>O mecanismo de colagem dos adesivos para azulejos se baseia em um efeito duplo: <strong>ades\u00e3o interfacial + for\u00e7a coesiva<\/strong>. Depende principalmente da hidrata\u00e7\u00e3o do cimento e do umedecimento efetivo do substrato.<\/p><p><a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/hpmc-for-tile-adhesive\/\">Adesivo para azulejos<\/a> Normalmente, consiste em cimento, areia de quartzo, aditivos funcionais (principalmente HPMC) e \u00e1gua. A resist\u00eancia da uni\u00e3o depende de tr\u00eas fatores cr\u00edticos:<\/p><ol><li><strong>Hidrata\u00e7\u00e3o suficiente do cimento<\/strong>formando uma for\u00e7a coesiva adequada.<\/li><li><strong>Umedecimento eficaz de substratos e revestimentos de azulejos<\/strong>minimizando os vazios interfaciais.<\/li><li><strong>Estabilidade do sistema durante a secagem<\/strong>garantindo um encolhimento uniforme sem rachaduras ou descolamento.<\/li><\/ol><p>Sem o HPMC, a r\u00e1pida perda de umidade afeta negativamente a hidrata\u00e7\u00e3o do cimento, resultando em baixa trabalhabilidade, encolhimento excessivo, contato interfacial insuficiente e resist\u00eancia coesiva reduzida. O HPMC aborda sistematicamente esses problemas por meio de efeitos multidimensionais coordenados.<\/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-e-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-e-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. Mecanismos principais pelos quais o HPMC aumenta a resist\u00eancia da liga\u00e7\u00e3o<\/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-e-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-hidroxipropil-metil-celulose\" 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\" title=\"\">\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-e-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. Reten\u00e7\u00e3o de \u00e1gua: Garantia de hidrata\u00e7\u00e3o completa do cimento<\/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-e-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 hidrata\u00e7\u00e3o do cimento requer umidade suficiente e constante. Durante a instala\u00e7\u00e3o do ladrilho, os substratos e os ladrilhos de baixa absor\u00e7\u00e3o (por exemplo, porcelanato) absorvem \u00e1gua rapidamente, enquanto a evapora\u00e7\u00e3o acelera a perda de umidade. Isso pode causar a interrup\u00e7\u00e3o prematura da hidrata\u00e7\u00e3o (\"falso assentamento\"), reduzindo a forma\u00e7\u00e3o do produto de hidrata\u00e7\u00e3o (por exemplo, gel C-S-H) e diminuindo a resist\u00eancia da uni\u00e3o.<\/p><p>O HPMC cont\u00e9m v\u00e1rios grupos hidrof\u00edlicos de hidroxila e \u00e9ter. Uma vez dissolvido, ele forma uma pel\u00edcula protetora de reten\u00e7\u00e3o de \u00e1gua ao redor das part\u00edculas de cimento e areia. Sua rede molecular tridimensional ret\u00e9m efetivamente a \u00e1gua livre, retardando a evapora\u00e7\u00e3o e a absor\u00e7\u00e3o do substrato.<\/p><p>Os resultados experimentais mostram que a adi\u00e7\u00e3o de <strong>0,3%-0,5% O HPMC aumenta a reten\u00e7\u00e3o de \u00e1gua para mais de 85%<\/strong>O sistema de hidrata\u00e7\u00e3o de cimento \u00e9 um dos mais avan\u00e7ados do mundo, garantindo hidrata\u00e7\u00e3o cont\u00ednua por 24 a 48 horas, permitindo o desenvolvimento completo de produtos de hidrata\u00e7\u00e3o de cimento e melhorando significativamente a resist\u00eancia do adesivo.<\/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-e-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\u00e7\u00e3o da reologia: Melhoria da trabalhabilidade e da \u00e1rea de contato efetiva<\/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-e-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 baixa trabalhabilidade leva a um espalhamento desigual, deslizamento do ladrilho e contato incompleto com o substrato.<\/p><p>O HPMC melhora a reologia de tr\u00eas maneiras:<\/p><ul><li><strong>Efeito espessante<\/strong>: Evita a flacidez em superf\u00edcies verticais.<\/li><li><strong>Melhoria da tixotropia<\/strong>: Baixa viscosidade durante a mistura e a aplica\u00e7\u00e3o; r\u00e1pida recupera\u00e7\u00e3o da viscosidade em repouso para evitar o deslizamento do ladrilho.<\/li><li><strong>Efeito de lubrifica\u00e7\u00e3o<\/strong>: Reduz o atrito interno, melhora a suavidade e aprimora o preenchimento dos microporos da superf\u00edcie.<\/li><\/ul><p>O aumento da \u00e1rea de contato efetiva aumenta diretamente a for\u00e7a de ades\u00e3o.<\/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-e-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. Aumento da coes\u00e3o: Redu\u00e7\u00e3o de encolhimento e rachaduras<\/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-e-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>O HPMC forma uma rede tridimensional que integra os produtos de hidrata\u00e7\u00e3o do cimento e os agregados em uma estrutura densa, melhorando a coes\u00e3o e a flexibilidade.<\/p><ul><li>Reduz o encolhimento por secagem de\u00a0<strong>0,3-0,5% at\u00e9 abaixo de 0,1%<\/strong>.<\/li><li>Melhora a resist\u00eancia \u00e0 flex\u00e3o e \u00e0 compress\u00e3o.<\/li><li>Dispersa a tens\u00e3o de contra\u00e7\u00e3o, minimizando a forma\u00e7\u00e3o de rachaduras.<\/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-e-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. Melhoria do umedecimento interfacial: Fortalecimento da ades\u00e3o<\/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-e-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>O HPMC reduz a tens\u00e3o superficial e melhora o desempenho de umedecimento, permitindo a cobertura total da argamassa (\"full bedding\").<\/p><ul><li>Melhora a ades\u00e3o a porcelanatos de baixa absor\u00e7\u00e3o.<\/li><li>Melhora o intertravamento mec\u00e2nico com substratos de concreto \u00e1spero.<\/li><li>Promove a deposi\u00e7\u00e3o de produtos de hidrata\u00e7\u00e3o na interface.<\/li><\/ul><p>Isso reduz os riscos de esvaziamento e descolamento.<\/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-e-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. Estabiliza\u00e7\u00e3o do sistema: Garantia de durabilidade a longo prazo<\/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-e-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>O HPMC proporciona estabilidade qu\u00edmica e compatibilidade com cimento e aditivos.<\/p><ul><li>Resistente \u00e0 degrada\u00e7\u00e3o alcalina e microbiana.<\/li><li>Mant\u00e9m o desempenho mec\u00e2nico a longo prazo.<\/li><li>A propriedade de forma\u00e7\u00e3o de filme reduz a umidade externa e a penetra\u00e7\u00e3o de contaminantes.<\/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-e-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. Compara\u00e7\u00e3o de desempenho: Com e sem 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-e-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>Indicador de desempenho<\/th><th>Sem HPMC<\/th><th>Com 0,4% HPMC<\/th><th>Melhoria<\/th><th>Impacto na resist\u00eancia da liga\u00e7\u00e3o<\/th><\/tr><\/thead><tbody><tr><td>Reten\u00e7\u00e3o de \u00e1gua (24h)<\/td><td>62%<\/td><td>88%<\/td><td>+41.9%<\/td><td>Garante a hidrata\u00e7\u00e3o completa<\/td><\/tr><tr><td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td><td>0,65 MPa<\/td><td>1,32 MPa<\/td><td>+103.1%<\/td><td>Aumento direto da for\u00e7a<\/td><\/tr><tr><td>Encolhimento por secagem<\/td><td>0.42%<\/td><td>0.09%<\/td><td>-78.6%<\/td><td>Redu\u00e7\u00e3o de rachaduras<\/td><\/tr><tr><td>Resist\u00eancia \u00e0 flex\u00e3o<\/td><td>2,1 MPa<\/td><td>3,8 MPa<\/td><td>+81.0%<\/td><td>Maior coes\u00e3o<\/td><\/tr><tr><td>\u00c1rea de umedecimento da interface<\/td><td>75%<\/td><td>98%<\/td><td>+30.7%<\/td><td>Liga\u00e7\u00e3o Fuller<\/td><\/tr><tr><td>Taxa de escava\u00e7\u00e3o (72h)<\/td><td>18%<\/td><td>2%<\/td><td>-88.9%<\/td><td>Melhoria da qualidade da instala\u00e7\u00e3o<\/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-e-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\">Considera\u00e7\u00f5es sobre aplicativos<\/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-e-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. Sele\u00e7\u00e3o de notas<\/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-e-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>S\u00e3o recomendados graus de viscosidade m\u00e9dios a altos (10.000-100.000 mPa-s, solu\u00e7\u00e3o 2% a 20\u00b0C).<br \/>Met\u00f3xi: 28-30%; Hidroxipr\u00f3xi: 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-e-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. Dosagem<\/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-e-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>Dosagem recomendada: <strong>0,3%-0,5%<\/strong> do peso total da mistura seca.<\/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-e-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. Procedimento de mistura<\/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-e-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>Fa\u00e7a uma pr\u00e9-mistura com materiais secos antes de adicionar \u00e1gua para evitar a forma\u00e7\u00e3o de grumos e garantir uma dispers\u00e3o 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-e-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\">Conclus\u00e3o<\/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-e-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>O HPMC melhora o desempenho da colagem de adesivos para azulejos por meio de cinco mecanismos principais:<\/p><ul><li>Reten\u00e7\u00e3o de \u00e1gua<\/li><li>Controle de reologia<\/li><li>Aprimoramento da coes\u00e3o<\/li><li>Melhoria da umecta\u00e7\u00e3o interfacial<\/li><li>Estabiliza\u00e7\u00e3o do sistema<\/li><\/ul><p>Embora n\u00e3o participe diretamente da liga\u00e7\u00e3o qu\u00edmica, o HPMC garante a hidrata\u00e7\u00e3o completa do cimento, melhora a capacidade de trabalho, reduz as rachaduras por retra\u00e7\u00e3o e fortalece a liga\u00e7\u00e3o interfacial, evitando efetivamente a forma\u00e7\u00e3o de buracos e o descolamento dos ladrilhos.<\/p><p>Os dados experimentais confirmam que o HPMC aumenta significativamente a reten\u00e7\u00e3o de \u00e1gua, a resist\u00eancia \u00e0 tra\u00e7\u00e3o e a resist\u00eancia coesiva, ao mesmo tempo em que reduz as taxas de encolhimento e de cavidade.<\/p><p>Com o aumento dos padr\u00f5es de qualidade de constru\u00e7\u00e3o, a HPMC continuar\u00e1 a desempenhar um papel crucial no desenvolvimento de adesivos para azulejos de alto desempenho, dur\u00e1veis e f\u00e1ceis de aplicar, fornecendo solu\u00e7\u00f5es de colagem confi\u00e1veis para os modernos <a href=\"https:\/\/tenessy.com\/applications\/construction-and-building-solution\/\">aplicativos de constru\u00e7\u00e3o<\/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>A hidroxipropilmetilcelulose (HPMC) \u00e9 um aditivo funcional essencial indispens\u00e1vel nas formula\u00e7\u00f5es de adesivos para azulejos. \u00c9 um \u00e9ter de celulose sol\u00favel em \u00e1gua n\u00e3o i\u00f4nico produzido a partir de algod\u00e3o refinado por meio de alcaliniza\u00e7\u00e3o e eterifica\u00e7\u00e3o. O HPMC oferece excelente reten\u00e7\u00e3o de \u00e1gua, capacidade de espessamento, propriedades de forma\u00e7\u00e3o de filme e modifica\u00e7\u00e3o da reologia.<\/p>","protected":false},"author":1,"featured_media":10700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14122","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/14122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/comments?post=14122"}],"version-history":[{"count":8,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/14122\/revisions"}],"predecessor-version":[{"id":14131,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/posts\/14122\/revisions\/14131"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/media\/10700"}],"wp:attachment":[{"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/media?parent=14122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/categories?post=14122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenessy.com\/pt\/wp-json\/wp\/v2\/tags?post=14122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}