{"id":41388,"date":"2024-07-16T15:35:47","date_gmt":"2024-07-16T13:35:47","guid":{"rendered":"https:\/\/www.linseis.com\/polystyrene-ps-une-analyse-detaillee\/"},"modified":"2025-08-07T08:22:59","modified_gmt":"2025-08-07T06:22:59","slug":"polystyrene-ps-une-analyse-detaillee","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/fr\/connaissance\/polystyrene-ps-une-analyse-detaillee\/","title":{"rendered":"Polystyr\u00e8ne (PS) : Une analyse d\u00e9taill\u00e9e"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41388\" class=\"elementor elementor-41388 elementor-7803\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"9eb8745\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d649161 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"d649161\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Aucun titre n\\u2019a \\u00e9t\\u00e9 trouv\\u00e9 sur cette page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d649161\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d649161\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__d649161\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a9139e elementor-widget elementor-widget-heading\" data-id=\"8a9139e\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">L'origine du polystyr\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" data-element_type=\"widget\" data-e-type=\"widget\" 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>Le <strong>polystyr\u00e8ne<\/strong>, \u00e9galement connu sous le nom de <strong>polystyrol<\/strong>, est un polym\u00e8re tr\u00e8s r\u00e9pandu produit par polym\u00e9risation du styr\u00e8ne.<\/p>\n<p>Il s&rsquo;agit d&rsquo;un mat\u00e9riau transparent, rigide et cassant qui se pr\u00e9sente sous diff\u00e9rentes formes, telles que le <strong>polystyr\u00e8ne expans\u00e9 (EPS)<\/strong> et le <strong>polystyr\u00e8ne extrud\u00e9 (XPS)<\/strong>. Le <strong>polystyr\u00e8ne<\/strong> est couramment utilis\u00e9 dans les emballages, les isolants, les conteneurs et d&rsquo;autres produits de la vie courante.<\/p>\n<p>Il est r\u00e9sistant \u00e0 l&rsquo;eau, chimiquement inerte et r\u00e9sistant aux acides et aux bases, mais sensible aux solvants organiques.\nLa production commerciale de <strong>polystyr\u00e8ne<\/strong> a d\u00e9but\u00e9 dans les ann\u00e9es 1930 et il est fabriqu\u00e9 et transform\u00e9 dans le monde entier. <\/p>\n<p>Le <strong>PSE<\/strong>, une forme de <strong>polystyr\u00e8ne<\/strong>, est fr\u00e9quemment utilis\u00e9 dans l&#8217;emballage, l&rsquo;isolation et la construction.<\/p>\n\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-7a04fb3 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7a04fb3\" data-element_type=\"widget\" data-e-type=\"widget\" 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=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Waermedaemmung-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7818\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Waermedaemmung-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Waermedaemmung-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Waermedaemmung-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Waermedaemmung-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-fcd836f elementor-widget elementor-widget-heading\" data-id=\"fcd836f\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">La cristallinit\u00e9 du PS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3a894e elementor-widget elementor-widget-text-editor\" data-id=\"f3a894e\" data-element_type=\"widget\" data-e-type=\"widget\" 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>Le <strong>polystyr\u00e8ne<\/strong> existe sous deux formes principales : le <strong>polystyr\u00e8ne<\/strong> <strong>atactique<\/strong> et le <strong>polystyr\u00e8ne<\/strong> <strong>syndiotactique<\/strong>.<\/p><p>Le <strong>polystyr\u00e8ne<\/strong> <strong>atactique<\/strong> est amorphe, ce qui signifie qu&rsquo;il n&rsquo;a pas de structure r\u00e9guli\u00e8re et ordonn\u00e9e et qu&rsquo;il n&rsquo;est donc pas <a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/cristallisation-et-recristallisation-des-polymeres\/\"><strong>cristallin<\/strong><\/a>.\u00a0<\/p><p>Le <strong>polystyr\u00e8ne<\/strong><strong>syndiotactique<\/strong>, quant \u00e0 lui, pr\u00e9sente une structure tr\u00e8s r\u00e9guli\u00e8re et ordonn\u00e9e, avec des groupes ph\u00e9nyles alternant sur le squelette de carbone lin\u00e9aire.<br \/>Cette r\u00e9gularit\u00e9 permet aux mol\u00e9cules de s&rsquo;agglom\u00e9rer facilement en cristaux, ce qui entra\u00eene la formation d&rsquo;une structure cristalline.<\/p><p>La <strong>cristallinit\u00e9<\/strong> <strong>du<\/strong> polystyr\u00e8ne <strong>syndiotactique<\/strong> se traduit par une<a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/point-de-fusion-cristallisation-et-transition-vitreuse-des-polymeres\/\"><strong> temp\u00e9rature de fusion<\/strong> <\/a>plus \u00e9lev\u00e9e et une plus grande rigidit\u00e9 par rapport au <strong>polystyr\u00e8ne<\/strong> <strong>atactique<\/strong>.<\/p><p>Toutefois, il est important de noter qu&rsquo;aucun polym\u00e8re n&rsquo;est enti\u00e8rement cristallin, car un polym\u00e8re enti\u00e8rement cristallin serait trop fragile pour \u00eatre utilis\u00e9 comme plastique.<br \/>La pr\u00e9sence de r\u00e9gions amorphes dans les polym\u00e8res, y compris le <strong>polystyr\u00e8ne<\/strong>, leur conf\u00e8re une certaine t\u00e9nacit\u00e9, leur permettant de se plier sans se rompre et d&rsquo;absorber de l&rsquo;\u00e9nergie.<\/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-80d22bb elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"80d22bb\" data-element_type=\"widget\" data-e-type=\"widget\" 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=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/56-1024x576.png\" class=\"attachment-large size-large wp-image-7829\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/56-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/56-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/56-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/56.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-9a7033f elementor-widget elementor-widget-heading\" data-id=\"9a7033f\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Le point de fusion du polystyr\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3112811 elementor-widget elementor-widget-text-editor\" data-id=\"3112811\" data-element_type=\"widget\" data-e-type=\"widget\" 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>Le <strong>polystyr\u00e8ne<\/strong> est un polym\u00e8re thermoplastique qui existe g\u00e9n\u00e9ralement \u00e0 l&rsquo;\u00e9tat solide \u00e0 temp\u00e9rature ambiante, mais qui fond lorsqu&rsquo;il est chauff\u00e9 pour \u00eatre fa\u00e7onn\u00e9 ou extrud\u00e9.<\/p><p>Le <strong>point de<\/strong> <strong>fusion<\/strong> <strong>du<\/strong> <strong>polystyr\u00e8ne<\/strong> varie en fonction de sa forme et de sa structure. Le <strong>polystyr\u00e8ne<\/strong> <strong>isotactique<\/strong>, qui a une structure r\u00e9guli\u00e8re, a une <strong>temp\u00e9rature<\/strong> <strong>de<\/strong> <strong>fusion<\/strong> d&rsquo;environ 240\u00b0C, tandis que le <strong>polystyr\u00e8ne<\/strong> <strong>syndiotactique<\/strong>, qui a \u00e9galement une structure r\u00e9guli\u00e8re, a une <strong>temp\u00e9rature de<\/strong> <strong>fusion<\/strong> l\u00e9g\u00e8rement plus \u00e9lev\u00e9e, d&rsquo;environ 270\u00b0C.<br \/>Ce point de fusion peut \u00eatre mesur\u00e9 \u00e0 l&rsquo;aide d&rsquo;un <a href=\"https:\/\/www.linseis.com\/fr\/produits\/dsc-differential-scanning-calorimetry\/\"><strong>calorim\u00e8tre dynamique \u00e0 balayage diff\u00e9rentiel (DSC)<\/strong><\/a>\u00a0qui permet de d\u00e9terminer avec pr\u00e9cision la temp\u00e9rature de fusion et d&rsquo;autres propri\u00e9t\u00e9s thermiques des mat\u00e9riaux.<\/p><p>Le <strong>polystyr\u00e8ne<\/strong><strong>amorphe<\/strong>, qui n&rsquo;a pas de structure r\u00e9guli\u00e8re, ne fond pas \u00e0 une temp\u00e9rature sp\u00e9cifique mais se ramollit progressivement autour de 100\u00b0C, appel\u00e9e <strong>temp\u00e9rature de<\/strong> <strong>transition<\/strong> <strong>vitreuse<\/strong>.<br \/>Ces diff\u00e9rences de <strong>temp\u00e9rature de<\/strong> <strong>fusion<\/strong> sont li\u00e9es \u00e0 l&rsquo;arrangement mol\u00e9culaire et \u00e0 la <strong>cristallinit\u00e9<\/strong> <strong>du<\/strong> <strong>polystyr\u00e8ne<\/strong>.<\/p><p>Le <strong>polystyr\u00e8ne<\/strong> pur est incolore, dur et peu flexible.<br \/>Il peut \u00eatre moul\u00e9 dans des formes aux d\u00e9tails fins et peut \u00eatre transparent ou fabriqu\u00e9 dans diff\u00e9rentes couleurs.<br \/>Il est \u00e9conomique et est utilis\u00e9 dans la production de maquettes en plastique, de cadres de plaques d&rsquo;immatriculation, de couverts en plastique, de bo\u00eetiers de CD, dans le mod\u00e9lisme, comme mat\u00e9riau alternatif pour les disques, et dans de nombreux autres articles pour lesquels un plastique relativement rigide et rentable est souhait\u00e9.<\/p><p>Le <strong>polystyr\u00e8ne<\/strong> peut se pr\u00e9senter sous forme solide ou sous forme de mousse.<br \/>G\u00e9n\u00e9ralit\u00e9s Le <strong>polystyr\u00e8ne<\/strong> est transparent, dur et cassant.<br \/>Il s&rsquo;agit d&rsquo;une r\u00e9sine peu co\u00fbteuse par unit\u00e9 de poids et son <strong>point de<\/strong> <strong>fusion<\/strong> est relativement bas.<br \/>C&rsquo;est l&rsquo;une des mati\u00e8res plastiques les plus utilis\u00e9es, dont la production s&rsquo;\u00e9l\u00e8ve \u00e0 plusieurs millions de tonnes par an.<\/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-0bbe709 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0bbe709\" data-element_type=\"widget\" data-e-type=\"widget\" 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=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/CD-Huellen-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7836\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/CD-Huellen-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/CD-Huellen-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/CD-Huellen-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/CD-Huellen-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-f8abd24 elementor-widget elementor-widget-heading\" data-id=\"f8abd24\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Le point de fusion du polystyr\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3691d64 elementor-widget elementor-widget-text-editor\" data-id=\"3691d64\" data-element_type=\"widget\" data-e-type=\"widget\" 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>La <strong>stabilit\u00e9<\/strong> <strong>thermique<\/strong> <strong>du<\/strong> <strong>polystyr\u00e8ne<\/strong> d\u00e9pend de sa structure et de sa composition. Le <strong>polystyr\u00e8ne<\/strong> <strong>pur<\/strong> n&rsquo;est pas stable \u00e0 haute temp\u00e9rature et a tendance \u00e0 subir une d\u00e9composition thermique.<\/p><p>Toutefois, la <strong>stabilit\u00e9<\/strong> <strong>thermique<\/strong> peut \u00eatre am\u00e9lior\u00e9e par l&rsquo;ajout de stabilisateurs. Le <strong>polystyr\u00e8ne<\/strong> <strong>isotactique<\/strong>, qui a une structure r\u00e9guli\u00e8re, est g\u00e9n\u00e9ralement plus stable thermiquement que le polystyr\u00e8ne amorphe.<\/p><p>La <strong>stabilit\u00e9<\/strong> <strong>thermique<\/strong> <strong>du<\/strong> <strong>polystyr\u00e8ne<\/strong> peut \u00eatre mesur\u00e9e \u00e0 l&rsquo;aide de diff\u00e9rentes m\u00e9thodes, notamment une <strong>puce DSC<\/strong> <strong>(<\/strong> <strong>Chip-DSC<\/strong> <strong>)<\/strong> ou une m\u00e9thode <a href=\"https:\/\/www.linseis.com\/fr\/produits\/analyse-thermique\/tga-thermogravimetrie\/\"><strong>analyse thermogravim\u00e9trique<\/strong> <strong>thermogravim\u00e9trique<\/strong> <strong>(TGA)<\/strong><\/a> \u00e0 l&rsquo;aide d&rsquo;un <a href=\"https:\/\/www.linseis.com\/fr\/produits\/analyse-thermique\/sta-simultaneous-thermal-analysis\/sta-l82\/\"><strong>STA<\/strong> <strong>PT<\/strong> <strong>L82<\/strong><\/a>.<\/p><p>La <strong>m\u00e9thode<\/strong> <strong>DSC<\/strong> mesure la quantit\u00e9 de chaleur absorb\u00e9e ou lib\u00e9r\u00e9e par un mat\u00e9riau lors d&rsquo;une augmentation contr\u00f4l\u00e9e de la temp\u00e9rature, ce qui permet de d\u00e9terminer les <strong>points de<\/strong> <strong>fusion<\/strong> <strong>et de<\/strong> <strong>ramollissement<\/strong> et d&rsquo;\u00e9tudier les transitions de phase et les r\u00e9actions.<br \/>La <strong>m\u00e9thode<\/strong> <strong>TGA<\/strong> mesure le changement de poids d&rsquo;un mat\u00e9riau en fonction de la temp\u00e9rature et peut \u00eatre utilis\u00e9e pour d\u00e9terminer la <strong>stabilit\u00e9<\/strong> <strong>thermique<\/strong> et les temp\u00e9ratures de d\u00e9composition des mat\u00e9riaux.<\/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-9aa3004 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"9aa3004\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verpackung-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7843\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verpackung-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verpackung-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verpackung-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Verpackung-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-884dc7f elementor-widget elementor-widget-heading\" data-id=\"884dc7f\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">  La temp\u00e9rature de transition vitreuse du polystyr\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51cbd6c elementor-widget elementor-widget-text-editor\" data-id=\"51cbd6c\" data-element_type=\"widget\" data-e-type=\"widget\" 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>La <strong>temp\u00e9rature de<\/strong> <strong>transition<\/strong> <strong>vitreuse<\/strong> <strong>(Tg)<\/strong> <strong>du<\/strong> <strong>polystyr\u00e8ne<\/strong> se situe g\u00e9n\u00e9ralement autour de 100 \u00b0C.\nCette temp\u00e9rature marque la transition du polym\u00e8re amorphe d&rsquo;un \u00e9tat dur et vitreux \u00e0 un \u00e9tat mou et caoutchouteux. <\/p>\n<p>La <strong>Tg<\/strong> peut \u00eatre mesur\u00e9e \u00e0 l&rsquo;aide d&rsquo;une <strong>puce-DSC<\/strong>, qui mesure la quantit\u00e9 de chaleur absorb\u00e9e ou lib\u00e9r\u00e9e par un mat\u00e9riau lors d&rsquo;une augmentation contr\u00f4l\u00e9e de la temp\u00e9rature, ce qui permet de d\u00e9terminer les points de fusion et de ramollissement et d&rsquo;\u00e9tudier les transitions de phase et les r\u00e9actions.<\/p>\n<p>La <strong>temp\u00e9rature de<\/strong> <strong>transition<\/strong> <strong>vitreuse<\/strong> est un param\u00e8tre important qui affecte les propri\u00e9t\u00e9s m\u00e9caniques et l&rsquo;aptitude \u00e0 la transformation du <strong>polystyr\u00e8ne<\/strong>.\nAu-dessus de la <strong>Tg<\/strong>, le <strong>polystyr\u00e8ne<\/strong> devient mou et mall\u00e9able, ce qui le rend adapt\u00e9 \u00e0 des techniques de transformation telles que le moulage par injection, tandis qu&rsquo;en dessous de la <strong>Tg<\/strong>, il devient dur et cassant. <\/p>\n\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-1c0f623 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"1c0f623\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Becher-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7850\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Becher-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Becher-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Becher-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Becher-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-baa93bd elementor-widget elementor-widget-heading\" data-id=\"baa93bd\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">La production de pi\u00e8ces en polystyr\u00e8ne par moulage par injection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5aec66 elementor-widget elementor-widget-text-editor\" data-id=\"f5aec66\" data-element_type=\"widget\" data-e-type=\"widget\" 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>La production de <strong>pi\u00e8ces<\/strong> <strong>en polystyr\u00e8ne<\/strong> par moulage par injection est un processus courant qui consiste \u00e0 injecter du <strong>polystyr\u00e8ne<\/strong> fondu dans un moule pour obtenir la forme souhait\u00e9e.<br \/>Ce processus n\u00e9cessite des machines de moulage par injection et des moules sp\u00e9cialis\u00e9s, g\u00e9n\u00e9ralement en acier ou en aluminium.<\/p><p>Le <strong>polystyr\u00e8ne<\/strong> est bien adapt\u00e9 au moulage par injection en raison de sa bonne fluidit\u00e9 et de sa facilit\u00e9 de mise en forme.<br \/>La r\u00e9sistance et la formabilit\u00e9 du mat\u00e9riau peuvent \u00eatre mesur\u00e9es \u00e0 l&rsquo;aide d&rsquo;un <strong>DIL<\/strong> <strong>L75<\/strong> ou un <strong>TMA<\/strong>.<br \/>Le <strong>DIL<\/strong> <strong>L75<\/strong> est un dilatom\u00e8tre qui mesure le changement de longueur d&rsquo;un mat\u00e9riau en fonction de la temp\u00e9rature, ce qui permet de comprendre la dilatation et la contraction thermiques du mat\u00e9riau.<\/p><p>Une <strong>analyse<\/strong> <strong>thermom\u00e9canique<\/strong> <strong>(TMA)<\/strong> mesure le changement de longueur d&rsquo;un mat\u00e9riau en fonction de la temp\u00e9rature et de la force appliqu\u00e9e au mat\u00e9riau, ce qui permet de d\u00e9terminer les <strong>temp\u00e9ratures de<\/strong> <strong>transition<\/strong> <strong>vitreuse<\/strong> <strong>et de<\/strong> <strong>ramollissement<\/strong>, ainsi que d&rsquo;\u00e9tudier les changements de forme et les contraintes \u00e0 l&rsquo;int\u00e9rieur du mat\u00e9riau.<\/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-e212898 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"e212898\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Spritzgiessformen-fuer-Gegenstaende-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7857\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Spritzgiessformen-fuer-Gegenstaende-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Spritzgiessformen-fuer-Gegenstaende-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Spritzgiessformen-fuer-Gegenstaende-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Spritzgiessformen-fuer-Gegenstaende-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-bb94074 elementor-widget elementor-widget-heading\" data-id=\"bb94074\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Diff\u00e9rents types de PS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56900fb elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"56900fb\" data-element_type=\"widget\" data-e-type=\"widget\" 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>Le <strong>polystyr\u00e8ne<\/strong> est un polym\u00e8re polyvalent utilis\u00e9 sous diverses formes et applications.<\/p>\n<p>Les diff\u00e9rents types de <strong>polystyr\u00e8ne<\/strong> sont les suivants :<\/p>\n\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-953fb78 elementor-widget elementor-widget-heading\" data-id=\"953fb78\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Polystyr\u00e8ne solide :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a2d0317 e-con-full e-flex e-con e-child\" data-id=\"a2d0317\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0f16c79 e-con-full e-flex e-con e-child\" data-id=\"0f16c79\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ffbb30a elementor-widget elementor-widget-text-editor\" data-id=\"ffbb30a\" data-element_type=\"widget\" data-e-type=\"widget\" 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<ul>\n<li>Il est transparent, dur, cassant et mod\u00e9r\u00e9ment rigide \u00e0 l&rsquo;\u00e9tat brut.\nIl est utilis\u00e9 pour fabriquer des maquettes en plastique, des cadres de plaques d&rsquo;immatriculation, des couverts en plastique et des bo\u00eetiers de CD. <\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5366294 e-con-full e-flex e-con e-child\" data-id=\"5366294\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8abeda4 elementor-widget elementor-widget-image\" data-id=\"8abeda4\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Nummernschildhalter-aus-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7870\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Nummernschildhalter-aus-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Nummernschildhalter-aus-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Nummernschildhalter-aus-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Nummernschildhalter-aus-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4aac015 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4aac015\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Polystyr\u00e8ne expans\u00e9 (EPS) :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-20cf156 e-con-full e-flex e-con e-child\" data-id=\"20cf156\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9566f00 e-con-full e-flex e-con e-child\" data-id=\"9566f00\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-663f3b8 elementor-widget elementor-widget-image\" data-id=\"663f3b8\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/PS-Platten-1024x576.png\" class=\"attachment-large size-large wp-image-7877\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/PS-Platten-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/PS-Platten-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/PS-Platten-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/PS-Platten.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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>\n\t\t<div class=\"elementor-element elementor-element-ba7ce46 e-con-full e-flex e-con e-child\" data-id=\"ba7ce46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b08175 elementor-widget elementor-widget-text-editor\" data-id=\"1b08175\" data-element_type=\"widget\" data-e-type=\"widget\" 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<ul>\n<li>Il est utilis\u00e9 comme mousse isolante dans la construction.\nIl est \u00e9galement utilis\u00e9 sous forme de granul\u00e9s pour la production de <strong>b\u00e9ton de polystyr\u00e8ne<\/strong>, qui est utilis\u00e9 dans l&rsquo;industrie de la construction comme mat\u00e9riau de construction. <\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94b2b28 elementor-widget elementor-widget-heading\" data-id=\"94b2b28\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Film de polystyr\u00e8ne :<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d49f4d7 e-con-full e-flex e-con e-child\" data-id=\"d49f4d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-26aeec8 e-con-full e-flex e-con e-child\" data-id=\"26aeec8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c002752 elementor-widget elementor-widget-text-editor\" data-id=\"c002752\" data-element_type=\"widget\" data-e-type=\"widget\" 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<ul>\n<li>Utilis\u00e9 dans la production de films, il est transparent, durable et imprimable.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-139ae2e e-con-full e-flex e-con e-child\" data-id=\"139ae2e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47a8e36 elementor-widget elementor-widget-image\" data-id=\"47a8e36\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Polsystyrolfilme-1024x576.png\" class=\"attachment-large size-large wp-image-7884\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Polsystyrolfilme-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Polsystyrolfilme-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Polsystyrolfilme-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Polsystyrolfilme.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fa93f6 elementor-widget elementor-widget-heading\" data-id=\"9fa93f6\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Application : Granul\u00e9s de PS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c8b779 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"3c8b779\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"414\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS-1024x530.png\" class=\"attachment-large size-large wp-image-7894\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS-1024x530.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS-300x155.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS-768x397.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS-1536x794.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/App.-Nr.-02-011-015-Chip-DSC-10-PS.png 1980w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-6027b8e elementor-widget elementor-widget-text-editor\" data-id=\"6027b8e\" data-element_type=\"widget\" data-e-type=\"widget\" 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\n\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-4a10b30 elementor-widget__width-initial elementor-widget elementor-widget-shortcode\" data-id=\"4a10b30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\n<table id=\"tablepress-103\" class=\"tablepress tablepress-id-103\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\"><h3><strong>DEVICE<\/strong><\/h3><\/th><th class=\"column-2\"><h3><strong>CHIP-DSC 1 (Chip-DSC L66 Basic)<\/strong><\/h3><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Heating rate<\/td><td class=\"column-2\">50 K\/minute<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Sample mass<\/td><td class=\"column-2\">approx. 15 mg<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Sample tray<\/td><td class=\"column-2\">Open aluminium pans<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Gas<\/td><td class=\"column-2\">Static air<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-103 from cache --><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4b1b31 elementor-widget elementor-widget-heading\" data-id=\"c4b1b31\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Impact environnemental du polystyr\u00e8ne<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2985108 elementor-widget elementor-widget-text-editor\" data-id=\"2985108\" data-element_type=\"widget\" data-e-type=\"widget\" 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>Le <strong>polystyr\u00e8ne<\/strong>, en particulier le <strong>polystyr\u00e8ne<\/strong> <strong>expans\u00e9<\/strong> <strong>(EPS)<\/strong>, a un impact significatif sur l&rsquo;environnement.\nLa production de <strong>polystyr\u00e8ne<\/strong> n\u00e9cessite l&rsquo;utilisation de p\u00e9trole, ce qui entra\u00eene une empreinte climatique et environnementale importante. <\/p>\n<p>Apr\u00e8s utilisation, le <strong>polystyr\u00e8ne<\/strong>, en tant que composant majeur, contribue aux d\u00e9chets terrestres et marins.\nC&rsquo;est un \u00e9l\u00e9ment courant des d\u00e9bris c\u00f4tiers et il peut persister longtemps dans l&rsquo;environnement car il se d\u00e9grade tr\u00e8s lentement. <\/p>\n<p>En outre, le <strong>polystyr\u00e8ne<\/strong> peut lixivier des produits chimiques dans les d\u00e9charges, ce qui entra\u00eene d&rsquo;autres probl\u00e8mes environnementaux.\nEn outre, le <strong>polystyr\u00e8ne<\/strong> constitue une menace pour la sant\u00e9 des humains et des animaux, car il se d\u00e9compose en petites particules qui peuvent \u00eatre ing\u00e9r\u00e9es par les animaux sauvages. <\/p>\n<p>Le styr\u00e8ne, l&rsquo;un des principaux composants du <strong>polystyr\u00e8ne<\/strong>, peut \u00e9galement provoquer des l\u00e9sions du foie et des tissus nerveux.\nEn raison de ces impacts environnementaux, l&rsquo;utilisation du <strong>polystyr\u00e8ne<\/strong> est d\u00e9j\u00e0 restreinte ou interdite dans certaines r\u00e9gions. <\/p>\n\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-75aa610 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"75aa610\" data-element_type=\"widget\" data-e-type=\"widget\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Umwelt-und-PS-1024x576.png\" class=\"attachment-large size-large wp-image-7902\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Umwelt-und-PS-1024x576.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Umwelt-und-PS-300x169.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Umwelt-und-PS-768x432.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Umwelt-und-PS.png 1140w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-eb46830 elementor-widget elementor-widget-spacer\" data-id=\"eb46830\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le polystyr\u00e8ne, \u00e9galement connu sous le nom de polystyr\u00e8ne, est un polym\u00e8re tr\u00e8s r\u00e9pandu produit par la polym\u00e9risation du styr\u00e8ne.<\/p>\n","protected":false},"author":3,"featured_media":13715,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[187],"tags":[],"class_list":["post-41388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissance"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41388"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41388\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media\/13715"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/categories?post=41388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/tags?post=41388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}