{"id":2458,"date":"2026-01-06T15:16:15","date_gmt":"2026-01-06T07:16:15","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&#038;p=2458"},"modified":"2026-01-20T16:50:05","modified_gmt":"2026-01-20T08:50:05","slug":"polyanionic-cellulose-pac","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/es\/producto\/polyanionic-cellulose-pac\/","title":{"rendered":"Celulosa poliani\u00f3nica (PAC)"},"content":{"rendered":"<p>La celulosa poliani\u00f3nica (PAC) es un derivado de \u00e9ter de celulosa ani\u00f3nico y soluble en agua, sintetizado mediante la modificaci\u00f3n qu\u00edmica de la celulosa natural. Es ampliamente reconocida por sus excelentes propiedades espesantes, de suspensi\u00f3n, emulsionantes y de retenci\u00f3n de agua, lo que la convierte en un aditivo funcional clave en los sectores petrolero, de la construcci\u00f3n, del papel y otros sectores industriales.<\/p>\n<h3>1. Identidad qu\u00edmica<\/h3>\n<p><strong>Nombre qu\u00edmico:<\/strong> Celulosa poliani\u00f3nica; carboximetilcelulosa (variante modificada ani\u00f3nicamente, que se diferencia de la CMC convencional por su mayor grado de sustituci\u00f3n y por sus grupos funcionales espec\u00edficos)<br \/>\n<strong>Abreviatura:<\/strong> PAC<br \/>\n<strong>F\u00f3rmula general:<\/strong> C\u2086H\u2087O\u2082(OH)x(OCH\u2082COONa)y, (x + y = 3)<br \/>\ny representa el grado de sustituci\u00f3n (DS), que suele oscilar entre 0,8 y 1,5 en el caso del PAC de calidad industrial<br \/>\n<strong>N\u00famero de registro CAS:<\/strong> 9004-32-4 (c\u00f3digo gen\u00e9rico para \u00e9teres de celulosa ani\u00f3nicos; los grados espec\u00edficos pueden tener n\u00fameros de registro personalizados)<\/p>\n<h4>2. Aplicaciones industriales<\/h4>\n<p>Las prestaciones \u00fanicas del PAC lo convierten en un elemento indispensable en los siguientes sectores:<br \/>\n<strong>Perforaci\u00f3n de petr\u00f3leo y gas (aplicaci\u00f3n principal):<\/strong> Se utiliza como aditivo clave en fluidos de perforaci\u00f3n, fluidos de terminaci\u00f3n y fluidos de fracturaci\u00f3n a base de agua. Entre sus funciones se incluyen el control de la filtraci\u00f3n (reducci\u00f3n de la p\u00e9rdida de fluido en las formaciones), la inhibici\u00f3n de la arcilla (prevenci\u00f3n del colapso del pozo) y la estabilizaci\u00f3n de la viscosidad en condiciones de alta temperatura y alta presi\u00f3n (HTHP).<br \/>\n<strong>Sector de la construcci\u00f3n:<\/strong> Se utiliza en morteros de cemento, adhesivos para baldosas y hormigones autonivelantes como agente de retenci\u00f3n de agua y mejorador de la trabajabilidad, lo que evita el secado prematuro y la aparici\u00f3n de grietas en los materiales de construcci\u00f3n.<br \/>\n<strong>Industria del papel:<\/strong> Act\u00faa como espesante para los recubrimientos del papel y como agente de encolado superficial, mejorando la suavidad, la imprimibilidad y la resistencia a la tracci\u00f3n del papel.<br \/>\n<strong>Industria alimentaria (PAC de calidad alimentaria):<\/strong> Autorizado como aditivo alimentario (E466) para espesar bebidas, productos l\u00e1cteos y alimentos procesados; mejora la textura y evita la sedimentaci\u00f3n de los ingredientes s\u00f3lidos.<br \/>\n<strong>Cuidado personal y cosm\u00e9ticos:<\/strong> Se utiliza en champ\u00fas, lociones y dent\u00edfricos como espesante y emulsionante, estabilizando la consistencia del producto y mejorando su facilidad de aplicaci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>La celulosa poliani\u00f3nica (PAC) es un derivado de \u00e9ter de celulosa ani\u00f3nico y soluble en agua, sintetizado mediante la modificaci\u00f3n qu\u00edmica de la celulosa natural. Es ampliamente reconocida por sus excelentes propiedades espesantes, de suspensi\u00f3n, emulsionantes y de retenci\u00f3n de agua, lo que la convierte en un aditivo funcional clave en los sectores petrolero, de la construcci\u00f3n, del papel y otros sectores industriales.<\/p>","protected":false},"featured_media":3156,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"%%post_title%%","_seopress_titles_desc":"%%post_excerpt%%","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[104],"product_tag":[],"class_list":["post-2458","product","type-product","status-publish","has-post-thumbnail","product_cat-poly-anionic-cellulose","desktop-align-center","tablet-align-left","mobile-align-left","ast-product-gallery-layout-horizontal-slider","ast-product-gallery-with-no-image","ast-product-tabs-layout-horizontal","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/product\/2458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/comments?post=2458"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/media\/3156"}],"wp:attachment":[{"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/media?parent=2458"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/product_brand?post=2458"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/product_cat?post=2458"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.jmchemi.com\/es\/wp-json\/wp\/v2\/product_tag?post=2458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}