{"id":231,"date":"2026-08-26T15:05:32","date_gmt":"2026-08-26T15:05:32","guid":{"rendered":"https:\/\/thermal-amalgam.com\/?page_id=231"},"modified":"2026-08-26T15:07:40","modified_gmt":"2026-08-26T15:07:40","slug":"quest-ce-que-cest-que-le-plastique","status":"publish","type":"page","link":"https:\/\/thermal-amalgam.com\/index.php\/quest-ce-que-cest-que-le-plastique\/","title":{"rendered":"Qu&rsquo;est ce que c&rsquo;est que le plastique ?"},"content":{"rendered":"<div  class='flex_column av-av_one_full-cab6cb91e42b24d4f503cdabdc5ed6e0 av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div  '     ><div  class='avia-slideshow av-av_slideshow-cda642e6d7b0be94466ee7fa02c21a09 avia-slideshow-no scaling av_slideshow avia-slide-slider  avia-builder-el-1  avia-builder-el-no-sibling  av-slideshow-ui av-control-hidden av-no-slider-navigation av-hide-nav-arrows av-slideshow-autoplay av-loop-endless av-loop-manual-endless av-default-height-applied 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https:\/\/thermal-amalgam.com\/wp-content\/uploads\/2026\/08\/3-705x498.jpg 705w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls' ><a href='#prev' class='prev-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='left-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Pr\u00e9c\u00e9dent\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-1'>Pr\u00e9c\u00e9dent<\/title>\n<desc id='av-svg-desc-1'>Pr\u00e9c\u00e9dent<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Pr\u00e9c\u00e9dent<\/span><\/a><a href='#next' class='next-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Suivant\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-2'>Suivant<\/title>\n<desc id='av-svg-desc-2'>Suivant<\/desc>\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Suivant<\/span><\/a><\/div><\/div><\/div>\r\n\r\n<div  class='flex_column av-av_one_full-cab6cb91e42b24d4f503cdabdc5ed6e0 av_one_full  avia-builder-el-2  el_after_av_one_full  avia-builder-el-last  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-mta897ze-0c82c27ef74b0dde2e093dd280e78123 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>\ud83c\udf08 Qu&rsquo;est-ce que le plastique ?<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\ud83e\uddd2 Pour les tr\u00e8s jeunes enfants <\/strong><\/p>\n<p>Le mot \u00ab\u00a0plastique\u00a0\u00bb vient du grec <em>plastikos<\/em>, qui signifie <strong>\u00ab\u00a0qui peut \u00eatre model\u00e9\u00a0\u00bb<\/strong> ! \ud83c\udfa8<\/p>\n<p><strong>Le plastique<\/strong>, c\u2019est comme de la p\u00e2te \u00e0 modeler magique !<br \/>\nC\u2019est un mat\u00e9riau <strong>mou et color\u00e9<\/strong> quand il est chaud, et <strong>dur<\/strong> quand il refroidit.<br \/>\nOn en fait des <strong>jouets<\/strong> (comme les petites voitures ou les cubes), des <strong>bouteilles<\/strong> ou des <strong>sacs<\/strong> pour transporter tes affaires.<br \/>\nMais attention, si on le jette par terre, il peut faire du mal aux animaux ou \u00e0 la nature. Alors on le met dans la <strong>poubelle de recyclage<\/strong> ! \ud83c\udf0d\u267b\ufe0f<\/p>\n<p><strong>\ud83d\udc67\ud83d\udc66 Pour les enfants plus grands <\/strong><\/p>\n<p>Le <strong>plastique<\/strong>, c\u2019est un mat\u00e9riau <strong>artificiel<\/strong> cr\u00e9\u00e9 par les humains \u00e0 partir de <strong>p\u00e9trole<\/strong> (un liquide noir qui vient du sol).<br \/>\nIl est <strong>l\u00e9ger, r\u00e9sistant et peu cher<\/strong>, ce qui explique pourquoi on l\u2019utilise pour :<\/p>\n<ul>\n<li>Les <strong>emballages<\/strong> (bouteilles d\u2019eau, sachets de bonbons)<\/li>\n<li>Les <strong>objets du quotidien<\/strong> (stylos, seaux, t\u00e9l\u00e9phones)<\/li>\n<li>Les <strong>v\u00eatements<\/strong> (comme les vestes imperm\u00e9ables)<\/li>\n<\/ul>\n<p>\u26a0\ufe0f <strong>Probl\u00e8me<\/strong> : Le plastique met <strong>des centaines d\u2019ann\u00e9es<\/strong> \u00e0 se d\u00e9grader dans la nature. S\u2019il finit dans les oc\u00e9ans, les poissons ou les oiseaux peuvent le manger par erreur et tomber malades.<br \/>\n\u2705 <strong>Solution<\/strong> : On peut le <strong>recycler<\/strong> (le transformer en nouveaux objets) ou utiliser des <strong>sacs r\u00e9utilisables<\/strong> pour limiter les d\u00e9chets.<\/p>\n<p><strong>\ud83d\udc68\ud83d\udc69 Pour les adultes <\/strong><\/p>\n<p>Le <strong>plastique<\/strong> est un <strong>mat\u00e9riau synth\u00e9tique<\/strong> issu de la <strong>p\u00e9trochimie<\/strong> (raffinage du p\u00e9trole ou du gaz naturel). Il est compos\u00e9 de <strong>polym\u00e8res<\/strong> (longues cha\u00eenes de mol\u00e9cules) qui lui conf\u00e8rent des propri\u00e9t\u00e9s uniques :<\/p>\n<ul>\n<li><strong>Mall\u00e9able<\/strong> (peut \u00eatre moule\u0301 en diverses formes)<\/li>\n<li><strong>Imperm\u00e9able<\/strong> (r\u00e9siste \u00e0 l\u2019eau)<\/li>\n<li><strong>Isolant<\/strong> (\u00e9lectricit\u00e9, chaleur)<\/li>\n<li><strong>\u00c9conomique<\/strong> (co\u00fbt de production faible)<\/li>\n<\/ul>\n<p><strong>Utilisations courantes<\/strong> :<br \/>\nEmballages alimentaires,<\/p>\n<ul>\n<li>pi\u00e8ces automobiles,<\/li>\n<li>\u00e9quipements m\u00e9dicaux,<\/li>\n<li>textiles (polyester),<\/li>\n<li>\u00e9lectronique, etc.<\/li>\n<\/ul>\n<p><strong>Enjeux environnementaux<\/strong> :<\/p>\n<ul>\n<li><strong>Pollution<\/strong> : Environ <strong>8 millions de tonnes<\/strong> de plastique finissent dans les oc\u00e9ans chaque ann\u00e9e (source : ONU).<\/li>\n<li><strong>Dur\u00e9e de vie<\/strong> : Un sac plastique met <strong>400 ans<\/strong> \u00e0 se d\u00e9composer.<\/li>\n<li><strong>Microplastiques<\/strong> : Des fragments infiniment petits contaminent l\u2019eau, le sol et m\u00eame l\u2019air, avec des impacts encore mal connus sur la sant\u00e9.<\/li>\n<\/ul>\n<p><strong>Solutions<\/strong> :<\/p>\n<ul>\n<li><strong>R\u00e9duire<\/strong> (privil\u00e9gier le vrac, les contenants r\u00e9utilisables).<\/li>\n<li><strong>Recycler<\/strong> (trier correctement, mais seulement <strong>9 % du plastique mondial est recycl\u00e9<\/strong>, selon l\u2019OCDE).<\/li>\n<li><strong>Innover<\/strong> : Bioplastiques (\u00e0 base de ma\u00efs ou de canne \u00e0 sucre) ou plastiques biod\u00e9gradables (sous conditions sp\u00e9cifiques).<\/li>\n<\/ul>\n<\/div><\/section><\/div><!-- \/wp:post-content -->","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-231","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/pages\/231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/comments?post=231"}],"version-history":[{"count":3,"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/pages\/231\/revisions"}],"predecessor-version":[{"id":233,"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/pages\/231\/revisions\/233"}],"wp:attachment":[{"href":"https:\/\/thermal-amalgam.com\/index.php\/wp-json\/wp\/v2\/media?parent=231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}