{"id":1255,"date":"2016-11-30T23:36:52","date_gmt":"2016-11-30T22:36:52","guid":{"rendered":"https:\/\/www.osmocem.it\/tecnologia\/meccanismi-di-adesione\/"},"modified":"2020-12-04T12:45:56","modified_gmt":"2020-12-04T11:45:56","slug":"mecanismos-de-adhesion","status":"publish","type":"page","link":"https:\/\/www.osmocem.es\/tecnologia\/mecanismos-de-adhesion\/","title":{"rendered":"Mecanismos de adhesi\u00f3n"},"content":{"rendered":"

[vc_row row_type=”row_full_center_content”][vc_column][vc_column_text]En los materiales de construcci\u00f3n (y no solo), la adhesi\u00f3n y la adherencia son el resultado de dos mecanismos diferentes que pueden estar presentes tanto por separado como, como ocurre con mayor frecuencia, en coacci\u00f3n:\u00a0adhesi\u00f3n mec\u00e1nica<\/strong>\u00a0y\u00a0adhesi\u00f3n qu\u00edmica<\/strong>.\u00a0La\u00a0adhesi\u00f3n osm\u00f3tica o difusa<\/strong>\u00a0tambi\u00e9n entra en juego en el proceso osm\u00f3tico.[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_type=”row_full_center_content”][vc_column width=”1\/3″][vc_single_image image=”384″ img_size=”full” css_animation=”bottom-to-top”][vc_column_text]ADHESI\u00d3N MEC\u00c1NICA\u00a0<\/strong>
\nLa adhesi\u00f3n mec\u00e1nica depende, en gran medida, del grado de preparaci\u00f3n de los sustratos, en particular de su grado de limpieza y rugosidad, as\u00ed como de su saturaci\u00f3n.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″][vc_single_image image=”385″ img_size=”full” css_animation=”bottom-to-top”][vc_column_text]ADHESI\u00d3N QU\u00cdMICA<\/strong>
\n<\/strong>La adhesi\u00f3n qu\u00edmica, relacionada con las interacciones moleculares, depende de la naturaleza del adhesivo, de su compatibilidad con el soporte y, a su vez, del grado de preparaci\u00f3n de las superficies.[\/vc_column_text][\/vc_column][vc_column width=”1\/3″][vc_single_image image=”386″ img_size=”full” css_animation=”bottom-to-top”][vc_column_text]ADHESI\u00d3N OSM\u00d3TICA O DIFUSIVA\u00a0<\/strong>
\nEn los sistemas osm\u00f3ticos tambi\u00e9n existe una adhesi\u00f3n espec\u00edfica, que se logra a trav\u00e9s de los dos procesos coagentes, de difusi\u00f3n y deposici\u00f3n cristalina, a menudo llamada osm\u00f3tica o difusiva, dependiendo de la “capacidad osm\u00f3tica” del material y, una vez m\u00e1s, desde el grado de preparaci\u00f3n de las superficies.[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_type=”row_full_center_content” margin_top=”0″ padding_top=”0″][vc_column][vc_column_text]Del marco funcional, que solo se insin\u00faa, emerge, como un factor relevante, la contribuci\u00f3n significativa representada por la adhesi\u00f3n osm\u00f3tica, sin perjuicio de la importancia de la “capacidad osm\u00f3tica” efectiva del material utilizado y de la preparaci\u00f3n correcta de los soportes que, si faltan, pueden sin embargo, perjudicar la efectividad de la intervenci\u00f3n.<\/p>\n

La compatibilidad entre los materiales que participan en el proceso adhesivo es fundamental para evitar desprendimientos mediante la transferencia entre un material m\u00e1s fuerte (F) y un material m\u00e1s d\u00e9bil (D).<\/p>\n

\"meccanismi-4\"[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_type=”row_full_center_content”][vc_column width=”1\/4″][vc_single_image image=”1167″ img_size=”full” alignment=”center” css_animation=”left-to-right”][\/vc_column][vc_column width=”1\/2″][vc_column_text]Los\u00a0compuestos cementosos osm\u00f3ticos<\/strong>\u00a0se producen en dos formulaciones diferentes: monocomponente (r\u00edgido) y bicomponente (deformable).<\/p>\n

En los\u00a0\u00a0sistemas cementosos<\/strong>\u00a0\u00a0osm\u00f3ticos\u00a0monocomponente<\/strong>, prevalece la adhesi\u00f3n osm\u00f3tica, difusiva y mec\u00e1nica, mientras que\u00a0en los sistemas de cemento osm\u00f3tico bicomponente<\/strong>, prevalece la adhesi\u00f3n\u00a0\u00a0qu\u00edmica, mec\u00e1nica y difusiva.<\/p>\n

La elecci\u00f3n de un tipo de recubrimiento bicomponente en lugar de un monocomponente y con caracter\u00edsticas de deformabilidad m\u00e1s o menos altas est\u00e1 condicionada por el conocimiento de la morfolog\u00eda del trabajo a recubrir, su comportamiento estructural predecible, as\u00ed como las caracter\u00edsticas del soporte.<\/p>\n

En comparaci\u00f3n con los sistemas de un solo componente, la adhesi\u00f3n de tipo qu\u00edmico \/ mec\u00e1nico \/ difusivo, acompa\u00f1ada de una mejor capacidad de deformaci\u00f3n, proporcionada por los sistemas bicomponentes, adquiere especial relevancia en presencia de estructuras delgadas y \/ o sometidas a movimientos el\u00e1sticos.<\/p>\n

En presencia de estructuras masivas, estables (r\u00edgidas), con soportes adecuadamente preparados, el osm\u00f3tico monocomponente puede ser el producto m\u00e1s adecuado.[\/vc_column_text][\/vc_column][vc_column width=”1\/4″][vc_single_image image=”1169″ img_size=”full” alignment=”center” css_animation=”right-to-left”][\/vc_column][\/vc_row][vc_row row_type=”row_full_center_content” class=”gruppoBtns”][vc_column width=”1\/4″][vc_button title=”Historia” color=”custom” button_custom_color=”#00a5cc” position=”center” link=”url:https%3A%2F%2Fwww.osmocem.es%2Ftecnologia%2Fhistoria%2F|title:Historia||”][\/vc_column][vc_column width=”1\/4″][vc_button title=”Empuje hidrost\u00e1tico” color=”custom” button_custom_color=”#00a5cc” position=”center” link=”url:https%3A%2F%2Fwww.osmocem.es%2Ftecnologia%2Fempuje-hidrostatico%2F|title:Empuje%20hidrost%C3%A1tico||”][\/vc_column][vc_column width=”1\/4″][vc_button title=”Consejos pr\u00e1cticos” color=”custom” button_custom_color=”#00a5cc” position=”center” link=”url:https%3A%2F%2Fwww.osmocem.es%2Ftecnologia%2Fconsejos-practicos%2F|title:Consejos%20pr%C3%A1cticos||”][\/vc_column][vc_column width=”1\/4″][vc_button title=”Linea completa” color=”custom” button_custom_color=”#00a5cc” position=”center” link=”url:https%3A%2F%2Fwww.osmocem.es%2Ftecnologia%2Flinea-completa%2F|title:Linea%20completa||”][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row row_type=”row_full_center_content”][vc_column][vc_column_text]En los materiales de construcci\u00f3n (y no solo), la adhesi\u00f3n y la adherencia son el resultado de dos mecanismos diferentes …<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1248,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"\nMecanismos de adhesi\u00f3n - OSMOCEM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.osmocem.es\/tecnologia\/mecanismos-de-adhesion\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mecanismos de adhesi\u00f3n - OSMOCEM\" \/>\n<meta property=\"og:description\" content=\"[vc_row row_type=”row_full_center_content”][vc_column][vc_column_text]En los materiales de construcci\u00f3n (y no solo), la adhesi\u00f3n y la adherencia son el resultado de dos mecanismos diferentes ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.osmocem.es\/tecnologia\/mecanismos-de-adhesion\/\" \/>\n<meta property=\"og:site_name\" content=\"OSMOCEM\" \/>\n<meta property=\"article:modified_time\" content=\"2020-12-04T11:45:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.osmocem.it\/file\/2016\/11\/meccanismi-4-300x121.gif\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.osmocem.es\/tecnologia\/mecanismos-de-adhesion\/\",\"url\":\"https:\/\/www.osmocem.es\/tecnologia\/mecanismos-de-adhesion\/\",\"name\":\"Mecanismos de adhesi\u00f3n - 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