{"id":9957,"date":"2020-11-06T14:53:13","date_gmt":"2020-11-06T14:53:13","guid":{"rendered":"http:\/\/www.alquerapruebas.es\/?page_id=9957"},"modified":"2026-02-23T13:52:36","modified_gmt":"2026-02-23T13:52:36","slug":"usos-alcohol-polivinilico","status":"publish","type":"page","link":"https:\/\/www.alquera.com\/fr\/alcohol-polivinilico\/usos-alcohol-polivinilico\/","title":{"rendered":"Poly-alcool - PVA - Utilisations et Propri\u00e9t\u00e9s"},"content":{"rendered":"<p>L'alcool polyvinylique, ou alcool polyvinylique (PVOH, PVA ou PVal), est un polym\u00e8re synth\u00e9tique hydrosoluble, dont la formule chimique g\u00e9n\u00e9rale est (C2H4O)n. L'alcool polyvinylique ne doit pas \u00eatre confondu avec l'ac\u00e9tate de polyvinyle, \u00e9galement disponible et connu comme un produit de protection du bois efficace. L'alcool polyvinylique a un aspect granuleux blanc et est inodore.<\/p>\r\n\r\n\r\n\r\n<h1 class=\"wp-block-heading\">UTILISE L'ALCOOL POLYVINYLIQUE<\/h1>\r\n\r\n\r\n\r\n<p>Le\u00a0<a href=\"https:\/\/www.alquera.com\/fr\/alcohol-polivinilico\/\">alcool polyvinylique<\/a>\u00a0ou PVA est un polym\u00e8re synth\u00e9tique, soluble dans l'eau, qui a une multitude d'utilisations \u00e9num\u00e9r\u00e9es ci-dessous.\u00a0\u00a0<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">MATI\u00c8RE PREMI\u00c8RE POUR LA FABRICATION D'AUTRES POLYM\u00c8RES<\/h2>\r\n\r\n\r\n\r\n<p>La principale utilisation du PVA dans l'industrie est comme mati\u00e8re premi\u00e8re pour la production d'autres polym\u00e8res tels que :\u00a0<\/p>\r\n\r\n\r\n\r\n<p>- Nitrate de polyvinyle (PVN) : le nitrate de vinyle est utilis\u00e9 dans certains propulseurs et explosifs moulables.\u00a0<\/p>\r\n<p><br \/>- Ac\u00e9tals polyvinyliques : le butyral polyvinylique (PVB) et le formald\u00e9hyde polyvinylique (PVF) sont des exemples de cette famille de polym\u00e8res. La pr\u00e9paration du butyral de polyvinyle est la plus grande utilisation de l'alcool polyvinylique aux \u00c9tats-Unis et en Europe occidentale. Le polym\u00e8re de loin le plus important est le poly(butyral de vinyle), qui est utilis\u00e9 comme couche interm\u00e9diaire en plastique pour le verre de s\u00e9curit\u00e9 des avions et des automobiles.<\/p>\r\n<p><br \/>- Fabrication de\u00a0<strong>fibre vinylon ou vinalon<\/strong>Le Vinalon est devenu la fibre la plus utilis\u00e9e au Japon. Il est utilis\u00e9 pour divers textiles, \u00e0 la place du nylon ou du coton. Outre la fabrication de v\u00eatements, le vinalon est utilis\u00e9 pour les chaussures, les cordes et autres. Le vinalon est r\u00e9sistant \u00e0 la chaleur et aux autres attaques chimiques, il est stable, mais c'est un tissu rigide, difficile \u00e0 teindre et co\u00fbteux \u00e0 fabriquer.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">PVA DANS LA FABRICATION D'ADH\u00c9SIFS<\/h2>\r\n\r\n\r\n\r\n<p>Le PVA est un composant cl\u00e9 dans la fabrication des adh\u00e9sifs en ac\u00e9tate de polyvinyle.\u00a0<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">FILM D'EMBALLAGE SOLUBLE DANS L'EAU \u00c0 BASE D'ALCOOL POLYVINYLIQUE<\/h2>\r\n\r\n\r\n\r\n<p>Diff\u00e9rents produits sont conditionn\u00e9s dans des capsules ou des doses hydrosolubles, comme les d\u00e9tergents en poudre ou liquides pour le linge, les produits de nettoyage. \u00c9galement dans les produits pour piscines, pigments, encres, parfums, produits de traitement de l'eau, additifs, produits agricoles, produits chimiques agressifs et autres. Ce film hydrosoluble est de l'alcool polyvinylique ou PVA.\u00a0<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10249\" src=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png\" alt=\"\" width=\"525\" height=\"225\" srcset=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png 700w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble-300x129.png 300w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble-600x257.png 600w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble-64x27.png 64w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">REV\u00caTEMENT ET PROTECTION SUR DIFF\u00c9RENTS \u00c9L\u00c9MENTS<\/h2>\r\n\r\n\r\n\r\n<p>Le PVA est \u00e9galement utilis\u00e9 comme barri\u00e8re contre le dioxyde de carbone dans les bouteilles en poly\u00e9thyl\u00e8ne t\u00e9r\u00e9phtalate (PET). Dans les rev\u00eatements de papier ou comme \u00e9l\u00e9ment de protection dans les gants r\u00e9sistant aux produits chimiques.\u00a0<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">FAIRE DE LA MOUSSE<\/h2>\r\n\r\n\r\n\r\n<p>Le PVA est le mat\u00e9riau sur lequel l\u00a0<a href=\"https:\/\/www.alquera.com\/fr\/borax\/\">borax<\/a>\u00a0le transformant en bave. Les colles scolaires utilis\u00e9es contiennent un taux \u00e9lev\u00e9 de % de PVA et sont donc utilis\u00e9es pour\u00a0<a href=\"http:\/\/experimentoscientificos.es\/hacer-un-slime\">fabrication de boue<\/a>mais l'utilisation de PVA pur vous donnera un slime de plus grande flexibilit\u00e9 et qualit\u00e9.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"300\" class=\"wp-image-10250\" src=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/hacer-slime.png\" alt=\"\" srcset=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/hacer-slime.png 700w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/hacer-slime-300x129.png 300w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/hacer-slime-600x257.png 600w, https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/hacer-slime-64x27.png 64w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">PVA SUR LES SUPPORTS D'IMPRESSION 3D<\/h2>\r\n\r\n\r\n\r\n<p>Dans le domaine de l'impression 3D, la solubilit\u00e9 dans l'eau du PVA en fait un excellent filament pour la fabrication de supports pour les pi\u00e8ces pr\u00e9sentant des surplombs ou des zones d\u00e9licates o\u00f9 les supports en ABS ou en PLA ne sont pas envisageables. Le principal avantage de l'utilisation du PVA par rapport \u00e0 d'autres mat\u00e9riaux de support est sa solubilit\u00e9 dans l'eau : il suffit de faire tremper la pi\u00e8ce dans l'eau pendant 2 \u00e0 3 heures (plus longtemps si l'impression est importante). L'alcool polyvinylique se dissout compl\u00e8tement, laissant des lignes non peintes dans les zones en surplomb de l'objet que vous avez cr\u00e9\u00e9. Vous pouvez utiliser de l'eau chaude pour acc\u00e9l\u00e9rer le processus.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">AUTRES UTILISATIONS DE L'ALCOOL POLYVINYLIQUE<\/h2>\r\n\r\n\r\n\r\n<p>Le PVA est \u00e9galement utilis\u00e9 dans les produits d'hygi\u00e8ne f\u00e9minine et d'incontinence adulte comme film plastique biod\u00e9gradable, comme agent de d\u00e9moulage pour certains polym\u00e8res, pour les gouttes oculaires et comme solution lubrifiante pour les lentilles de contact rigides. Il est utilis\u00e9 comme fixateur pour la collecte d'\u00e9chantillons, notamment de selles, et dans le domaine m\u00e9dical comme enrobage pour les comprim\u00e9s, la biofermentation et les topiques pour les produits pharmaceutiques.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">PROPRI\u00c9T\u00c9S DE L'ALCOOL POLYVINYLIQUE<\/h2>\r\n\r\n\r\n\r\n<p>Vous pouvez voir les propri\u00e9t\u00e9s de l'alcool polyvinylique dans cette section :\u00a0<a href=\"https:\/\/www.alquera.com\/fr\/alcohol-polivinilico\/propiedades\/\">Propri\u00e9t\u00e9s de l'alcool polyvinylique<\/a><\/p>\r\n\r\n\r\n\r\n<h3 class=\"widget-title\">Acheter <\/h3><div><div class=\"woocommerce\"><ul class=\"products columns-4\">\n<li class=\"desktop-align-left tablet-align-left mobile-align-left ast-product-gallery-layout-horizontal-slider ast-magnify-disabled ast-product-single-variable ast-product-tabs-layout-horizontal ast-qv-on-image product type-product post-495 status-publish first instock product_cat-productos-experimentos product_cat-productos has-post-thumbnail taxable shipping-taxable purchasable product-type-variable has-default-attributes\">\n\t<a href=\"https:\/\/www.alquera.com\/fr\/permanganato-de-potasio\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"permanganato 200g\" srcset=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-300x300.png 300w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-150x150.png 150w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-12x12.png 12w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Permanganate de Potassium<\/h2><div class=\"review-rating\"><div class=\"star-rating\"><span style=\"width:100%\" data-no-translation=\"\" data-trp-gettext=\"\">Note <strong class=\"rating\">5.00<\/strong> sur 5<\/span><\/div><\/div>\n<\/a><a href=\"https:\/\/www.alquera.com\/fr\/permanganato-de-potasio\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_495\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"495\" data-product_sku=\"AL100111\" aria-label=\"S\u00e9lectionner les options pour \u201cPermanganato de Potasio\u201d\" rel=\"nofollow\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Choix des options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_495\" class=\"screen-reader-text\">\n\t\tCe produit a plusieurs variations. Les options peuvent \u00eatre choisies sur la page du produit\t<\/span>\n<\/li>\n<\/ul>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>El alcohol polivin\u00edlico, alcohol de polivinilo (PVOH, PVA, o PVal), es un pol\u00edmero sint\u00e9tico soluble en agua, de f\u00f3rmula qu\u00edmica general (C2H4O)n.\u00a0El alcohol polivinilico no debe confundirse con el acetato polivinilico, tambi\u00e9n disponible y conocido como un efectivo remedio para la madera. El alcohol polivinilico tiene aspecto granulado color blanco y es inodoro. USOS ALCOHOL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":32593,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"left-sidebar","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":"","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 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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"class_list":["post-9957","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alcohol Polivin\u00edlico - PVA - Usos y Propiedades - Alquera.com<\/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.alquera.com\/fr\/alcohol-polivinilico\/usos-alcohol-polivinilico\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alcohol Polivin\u00edlico - PVA - Usos y Propiedades\" \/>\n<meta property=\"og:description\" content=\"El alcohol polivin\u00edlico, alcohol de polivinilo (PVOH, PVA, o PVal), es un pol\u00edmero sint\u00e9tico soluble en agua, de f\u00f3rmula qu\u00edmica general (C2H4O)n.\u00a0El alcohol polivinilico no debe confundirse con el acetato polivinilico, tambi\u00e9n disponible y conocido como un efectivo remedio para la madera. El alcohol polivinilico tiene aspecto granulado color blanco y es inodoro. USOS ALCOHOL [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alquera.com\/fr\/alcohol-polivinilico\/usos-alcohol-polivinilico\/\" \/>\n<meta property=\"og:site_name\" content=\"Alquera.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alqueraciencia\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-23T13:52:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/\",\"url\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/\",\"name\":\"Alcohol Polivin\u00edlico - PVA - Usos y Propiedades - Alquera.com\",\"isPartOf\":{\"@id\":\"https:\/\/www.alquera.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png\",\"datePublished\":\"2020-11-06T14:53:13+00:00\",\"dateModified\":\"2026-02-23T13:52:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/#primaryimage\",\"url\":\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png\",\"contentUrl\":\"https:\/\/www.alquera.com\/wp-content\/uploads\/2020\/11\/recubrimiento-hidrosoluble.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/usos-alcohol-polivinilico\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inicio\",\"item\":\"https:\/\/www.alquera.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Alcohol Polivinilico\",\"item\":\"https:\/\/www.alquera.com\/alcohol-polivinilico\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Alcohol Polivin\u00edlico &#8211; 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El alcohol polivinilico tiene aspecto granulado color blanco y es inodoro. 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