{"id":792,"date":"2026-05-09T05:09:06","date_gmt":"2026-05-09T05:09:06","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=792"},"modified":"2026-05-10T02:56:22","modified_gmt":"2026-05-10T02:56:22","slug":"the-difference-between-sodium-acrylate-and-sodium-polyacrylate","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/fr\/the-difference-between-sodium-acrylate-and-sodium-polyacrylate\/","title":{"rendered":"La diff\u00e9rence entre l'acrylate de sodium et le polyacrylate de sodium"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"wp-image-271\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/02\/powder-state-vs-gel-state-1-1024x497.jpg\" alt=\"\" \/>\r\n<h2 style=\"font-style: normal;\">Acrylate de sodium et\u00a0<a style=\"font-size: 27.2px; transition-property: all; color: #3a3a3a;\" title=\"\" href=\"https:\/\/saphydrogels.com\/fr\/polyacrylate-de-sodium-dans-les-packs-de-glace-en-gel\/\" target=\"_blank\" rel=\"noopener\">polyacrylate de sodium<\/a>\u00a0sont des compos\u00e9s apparent\u00e9s mais pr\u00e9sentent des diff\u00e9rences distinctes :<\/h2>\r\n<figure id=\"attachment_2287\" aria-describedby=\"caption-attachment-2287\" style=\"width: 569px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2287\" title=\"Substances absorbant les liquides - polyacrylate de sodium\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-300x183.png\" alt=\"Substances absorbant les liquides - polyacrylate de sodium\" width=\"569\" height=\"347\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-300x183.png 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-768x469.png 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-18x12.png 18w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula.png 900w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/><figcaption id=\"caption-attachment-2287\" class=\"wp-caption-text\">Substances absorbant les liquides - polyacrylate de sodium<\/figcaption><\/figure>\r\n<\/figure>\r\n\r\n\r\n\r\n<ol class=\"wp-block-list\">\r\n<li><strong>Structure chimique<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Acrylate de sodium<\/strong>: C'est un sel de l'acide acrylique, plus pr\u00e9cis\u00e9ment le sel de sodium. Sa formule chimique est la suivante <a href=\"https:\/\/tr.ee\/12tpfHAt5o\">CH2=CHCOONa<\/a>. C'est un monom\u00e8re, c'est-\u00e0-dire qu'il est constitu\u00e9 d'une seule unit\u00e9 r\u00e9p\u00e9titive.<\/li>\r\n\r\n\r\n\r\n<li><strong><a title=\"\" href=\"https:\/\/saphydrogels.com\/fr\/polymere-a-forte-capacite-dabsorption\/\" target=\"_blank\" rel=\"noopener\">Polyacrylate de sodium<\/a><\/strong>: Il s'agit d'un polym\u00e8re d\u00e9riv\u00e9 de l'acide acrylique. Il est constitu\u00e9 de multiples unit\u00e9s r\u00e9p\u00e9titives d'acrylate de sodium li\u00e9es entre elles par des liaisons chimiques. Sa formule chimique peut \u00eatre repr\u00e9sent\u00e9e par (CH2=CHCOONa)n, indiquant une cha\u00eene d'unit\u00e9s r\u00e9p\u00e9t\u00e9es d'acrylate de sodium.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>Propri\u00e9t\u00e9s physiques<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Acrylate de sodium<\/strong>: En tant que monom\u00e8re, l'acrylate de sodium se pr\u00e9sente g\u00e9n\u00e9ralement sous la forme d'une poudre cristalline blanche. Il est soluble dans l'eau et a diverses utilisations industrielles, comme la production de polym\u00e8res superabsorbants.<\/li>\r\n\r\n\r\n\r\n<li><strong>Polyacrylate de sodium<\/strong>: Ce polym\u00e8re se pr\u00e9sente g\u00e9n\u00e9ralement sous la forme d'une poudre fine ou de granul\u00e9s. Il a une grande capacit\u00e9 d'absorption de l'eau, ce qui permet de l'utiliser dans des produits tels que les couches, les produits d'hygi\u00e8ne f\u00e9minine et les amendements agricoles.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>Applications<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Acrylate de sodium<\/strong>: Il est principalement utilis\u00e9 comme pr\u00e9curseur dans la synth\u00e8se du polyacrylate de sodium, qui est le polym\u00e8re superabsorbant largement utilis\u00e9 dans les produits absorbants.<\/li>\r\n\r\n\r\n\r\n<li><strong>Polyacrylate de sodium<\/strong>: Ce polym\u00e8re est largement utilis\u00e9 dans les industries o\u00f9 l'absorption et la r\u00e9tention de l'humidit\u00e9 sont critiques, comme dans les produits d'hygi\u00e8ne, l'agriculture et certaines applications m\u00e9dicales.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" class=\"wp-image-2353 aligncenter\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-300x300.jpg\" alt=\"\" width=\"402\" height=\"402\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-300x300.jpg 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-1024x1024.jpg 1024w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-150x150.jpg 150w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-768x768.jpg 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-1536x1536.jpg 1536w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-2048x2048.jpg 2048w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-12x12.jpg 12w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/p>\r\n<p>En r\u00e9sum\u00e9, l'acrylate de sodium est la forme monom\u00e9rique du sel de sodium de l'acide acrylique, tandis que le polyacrylate de sodium est un polym\u00e8re constitu\u00e9 de plusieurs unit\u00e9s d'acrylate de sodium li\u00e9es entre elles, connu pour ses propri\u00e9t\u00e9s superabsorbantes.<\/p>","protected":false},"excerpt":{"rendered":"<p>In summary, sodium acrylate is the monomeric form of acrylic acid&#8217;s sodium salt, while sodium polyacrylate is a polymer made [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":642,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","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-4)","background-image":"","background-repeat":"repeat","background-position":"center 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