{"id":42731,"date":"2019-10-06T20:44:56","date_gmt":"2019-10-06T19:44:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/what-is-organic-insulation-material-definition\/"},"modified":"2020-02-05T10:29:29","modified_gmt":"2020-02-05T09:29:29","slug":"what-is-organic-insulation-material-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/what-is-organic-insulation-material-definition\/","title":{"rendered":"Qu&#8217;est-ce qu&#8217;un mat\u00e9riau isolant organique &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Les mat\u00e9riaux d&#8217;isolation organiques trait\u00e9s dans cette section sont tous d\u00e9riv\u00e9s d&#8217;une mati\u00e8re premi\u00e8re p\u00e9trochimique ou renouvelable (biosourc\u00e9e).\u00a0Mat\u00e9riaux d&#8217;isolation organiques<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Mat\u00e9riaux d&#8217;isolation<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-21157 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters-225x300.png\" alt=\"Isolants thermiques - Param\u00e8tres\" width=\"225\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-Insulators-Parameters-225x300.png\" \/><\/a>Comme il a \u00e9t\u00e9 \u00e9crit, l&#8217;\u00a0<strong>isolation thermique<\/strong>\u00a0est bas\u00e9e sur l&#8217;utilisation de substances \u00e0\u00a0<strong>tr\u00e8s basse conductivit\u00e9 thermique<\/strong>\u00a0.\u00a0Ces mat\u00e9riaux sont appel\u00e9s\u00a0<strong>mat\u00e9riaux isolants<\/strong>\u00a0.\u00a0Les mat\u00e9riaux d&#8217;isolation courants sont la laine, la fibre de verre, la laine de roche, le polystyr\u00e8ne, le polyur\u00e9thane et la plume d&#8217;oie, etc. Ces mat\u00e9riaux sont de tr\u00e8s mauvais conducteur de la chaleur et sont donc de bons isolants thermiques.<\/p>\n<p>&amp; nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Types d&#8217;isolation &#8211; Cat\u00e9gorisation des mat\u00e9riaux d&#8217;isolation<\/h2>\n<p>Pour les mat\u00e9riaux isolants, trois cat\u00e9gories g\u00e9n\u00e9rales peuvent \u00eatre d\u00e9finies.\u00a0Ces cat\u00e9gories sont bas\u00e9es sur la composition chimique du mat\u00e9riau de base \u00e0 partir duquel le mat\u00e9riau isolant est produit.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-21149 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types-1024x653.png\" alt=\"Mat\u00e9riaux d'isolation - Types\" width=\"669\" height=\"427\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Insulation-Materials-Types-1024x653.png\" \/><\/a><\/p>\n<p>Pour en savoir plus, vous trouverez une br\u00e8ve description de ces types de mat\u00e9riaux isolants.<\/p>\n<p><strong>Mat\u00e9riaux d&#8217;isolation organiques<\/strong><\/p>\n<p>Les mat\u00e9riaux d&#8217;isolation organiques trait\u00e9s dans cette section sont tous d\u00e9riv\u00e9s d&#8217;une mati\u00e8re premi\u00e8re p\u00e9trochimique ou renouvelable (biosourc\u00e9e).\u00a0Presque tous les mat\u00e9riaux isolants p\u00e9trochimiques sont sous forme de polym\u00e8res.\u00a0Comme on peut le voir sur la figure, tous les mat\u00e9riaux isolants p\u00e9trochimiques sont cellulaires.\u00a0Un mat\u00e9riau est cellulaire lorsque sa structure est constitu\u00e9e de pores ou de cellules.\u00a0Par ailleurs, de nombreuses plantes contiennent des fibres pour leur r\u00e9sistance. Par cons\u00e9quent, presque tous les mat\u00e9riaux isolants biosourc\u00e9s sont fibreux (\u00e0 l&#8217;exception du li\u00e8ge expans\u00e9, qui est cellulaire).<\/p>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<p><span>Les mat\u00e9riaux d&#8217;isolation organiques peuvent \u00eatre class\u00e9s en cons\u00e9quence:<\/span><\/p>\n<ul>\n<li><span>Mat\u00e9riaux p\u00e9trochimiques (d\u00e9riv\u00e9s du p\u00e9trole \/ charbon)<\/span>\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-polystyrene-expanse-eps-definition\/\"><span>Polystyr\u00e8ne expans\u00e9 (EPS)<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-polystyrene-extrude-xps-definition\/\"><span>Polystyr\u00e8ne extrud\u00e9 (XPS)<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-mousse-de-polyurethane-definition\/\"><span>Polyur\u00e9thane (PUR)<\/span><\/a><\/li>\n<li><span>Mousse ph\u00e9nolique<\/span><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-mousse-de-polyisocyanurate-definition\/\"><span>Mousse de polyisocyanurate (PIR)<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li><span>Mat\u00e9riaux renouvelables (d&#8217;origine v\u00e9g\u00e9tale \/ animale)<\/span>\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lisolation-en-cellulose-laine-de-papier-definition\/\"><span>Cellulose<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lisolation-en-liege-definition\/\"><span>Li\u00e8ge<\/span><\/a><\/li>\n<li><span>Woodfibre<\/span><\/li>\n<li><span>Fibre de chanvre<\/span><\/li>\n<li><span>Laine de lin<\/span><\/li>\n<li><span>Laine de mouton<\/span><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-coton-isolant-definition\/\"><span>Isolation en coton<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong><span>Autres mat\u00e9riaux d&#8217;isolation<\/span><\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-verre-mousse-verre-cellulaire-definition\/\"><span>Verre cellulaire<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-laerogel-definition\/\"><span>A\u00e9rogel<\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-quun-panneau-isolant-sous-vide-definition\/\"><span>Panneaux \u00e0 vide<\/span><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Exemple d&#8217;isolation &#8211; Polystyr\u00e8ne<\/span><\/h2>\n<p><span>G\u00e9n\u00e9ralement, le\u00a0<\/span><strong><span>polystyr\u00e8ne<\/span><\/strong><span>\u00a0est un polym\u00e8re aromatique synth\u00e9tique fabriqu\u00e9 \u00e0 partir du monom\u00e8re styr\u00e8ne, qui est d\u00e9riv\u00e9 du benz\u00e8ne et de l&#8217;\u00e9thyl\u00e8ne, tous deux produits p\u00e9troliers.\u00a0<\/span><strong><span>Le polystyr\u00e8ne<\/span><\/strong><span>\u00a0peut \u00eatre solide ou mouss\u00e9.\u00a0Le polystyr\u00e8ne est un thermoplastique incolore et transparent, qui est couramment utilis\u00e9 pour fabriquer des panneaux de mousse ou des panneaux de lamelles et un type d&#8217;isolant en vrac constitu\u00e9 de petites perles de polystyr\u00e8ne.\u00a0Les mousses de polystyr\u00e8ne contiennent 95 \u00e0 98% d&#8217;air.\u00a0<\/span><strong><span>Les mousses de polystyr\u00e8ne<\/span><\/strong><span>\u00a0sont de bons isolants thermiques et sont donc souvent utilis\u00e9es comme mat\u00e9riaux d&#8217;isolation des b\u00e2timents, comme dans les coffrages isolants en b\u00e9ton et les syst\u00e8mes de construction \u00e0 panneaux structurels isol\u00e9s.\u00a0<\/span><strong><span>Polystyr\u00e8ne expans\u00e9 (EPS)<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>extrud\u00e9 (XPS)<\/span><\/strong><span>sont tous deux fabriqu\u00e9s \u00e0 partir de polystyr\u00e8ne, mais l&#8217;EPS est compos\u00e9 de petites perles en plastique qui sont fusionn\u00e9es ensemble et XPS commence comme un mat\u00e9riau fondu qui est press\u00e9 sous une forme en feuilles.\u00a0Le XPS est le plus couramment utilis\u00e9 comme isolant en panneau de mousse.<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation.png\"><img loading=\"lazy\" class=\"size-medium wp-image-21154 alignright lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation-300x180.png\" alt=\"polystyr\u00e8ne expans\u00e9 - isolation thermique\" width=\"300\" height=\"180\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/expanded-polystyrene-thermal-insulation-300x180.png\" \/><\/a><strong><span>Le polystyr\u00e8ne expans\u00e9<\/span><\/strong><span>\u00a0(EPS) est une mousse \u00e0 cellules ferm\u00e9es rigide et r\u00e9sistante.\u00a0Les applications de construction et de construction repr\u00e9sentent environ les deux tiers de la demande de polystyr\u00e8ne expans\u00e9.\u00a0Il est utilis\u00e9 pour l&#8217;isolation des murs (cavit\u00e9s), des toits et des sols en b\u00e9ton.\u00a0En raison de ses propri\u00e9t\u00e9s techniques telles que son faible poids, sa rigidit\u00e9 et sa formabilit\u00e9, le\u00a0<\/span><strong><span>polystyr\u00e8ne expans\u00e9<\/span><\/strong><span>\u00a0peut \u00eatre utilis\u00e9 dans une large gamme d&#8217;applications, par exemple des plateaux, des assiettes et des caisses \u00e0 poisson.<\/span><\/p>\n<p><span>Bien que le polystyr\u00e8ne expans\u00e9 et extrud\u00e9 ait une structure \u00e0 cellules ferm\u00e9es, il est perm\u00e9able aux mol\u00e9cules d&#8217;eau et ne peut pas \u00eatre consid\u00e9r\u00e9 comme un pare-vapeur.\u00a0Dans le polystyr\u00e8ne expans\u00e9, il existe des interstices entre les pastilles \u00e0 cellules ferm\u00e9es expans\u00e9es qui forment un r\u00e9seau ouvert de canaux entre les pastilles li\u00e9es.\u00a0Si l&#8217;eau g\u00e8le en glace, elle se dilate et peut provoquer la rupture des pastilles de polystyr\u00e8ne de la mousse.<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\"><\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Cet article est bas\u00e9 sur la traduction automatique de l&#8217;article original en anglais. Pour plus d&#8217;informations, voir l&#8217;article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l&#8217;adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les mat\u00e9riaux d&#8217;isolation organiques trait\u00e9s dans cette section sont tous d\u00e9riv\u00e9s d&#8217;une mati\u00e8re premi\u00e8re p\u00e9trochimique ou renouvelable (biosourc\u00e9e).\u00a0Mat\u00e9riaux d&#8217;isolation organiques Mat\u00e9riaux d&#8217;isolation Comme il a \u00e9t\u00e9 \u00e9crit, l&#8217;\u00a0isolation thermique\u00a0est bas\u00e9e sur l&#8217;utilisation de substances \u00e0\u00a0tr\u00e8s basse conductivit\u00e9 thermique\u00a0.\u00a0Ces mat\u00e9riaux sont appel\u00e9s\u00a0mat\u00e9riaux isolants\u00a0.\u00a0Les mat\u00e9riaux d&#8217;isolation courants sont la laine, la fibre de verre, la laine de &#8230; <a title=\"Qu&#8217;est-ce qu&#8217;un mat\u00e9riau isolant organique &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/what-is-organic-insulation-material-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce qu&#8217;un mat\u00e9riau isolant organique &#8211; D\u00e9finition\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce qu&#039;un mat\u00e9riau isolant organique - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Les mat\u00e9riaux d&#039;isolation organiques trait\u00e9s dans cette section sont tous d\u00e9riv\u00e9s d&#039;une mati\u00e8re premi\u00e8re p\u00e9trochimique ou renouvelable (biosourc\u00e9e). 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