{"id":307285,"date":"2025-11-20T15:04:50","date_gmt":"2025-11-20T15:04:50","guid":{"rendered":"https:\/\/www.procarton.com\/?page_id=307285"},"modified":"2025-11-20T15:18:25","modified_gmt":"2025-11-20T15:18:25","slug":"cartonboard-production","status":"publish","type":"page","link":"https:\/\/www.procarton.com\/fr\/activities\/cepi-cartonboard\/cartonboard-production\/","title":{"rendered":"Production de carton"},"content":{"rendered":"<div class=\"av-animated-generic top-to-bottom flex_column av_three_fourth  flex_column_div av-zero-column-padding first  avia-builder-el-0  el_before_av_one_fourth  avia-builder-el-first\" style='border-radius:0px; '>\n<section class=\"av_textblock_section\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" >\n<div class='avia_textblock'   itemprop=\"text\" >\n<p><strong>Mati\u00e8res premi\u00e8res<\/strong><\/p>\n<p>Le carton est fabriqu\u00e9 \u00e0 partir de fibres de cellulose produites soit \u00e0 partir de bois, soit en r\u00e9utilisant des fibres de r\u00e9cup\u00e9ration ou des d\u00e9chets de papier. Une combinaison des deux peut \u00eatre utilis\u00e9e et il existe diff\u00e9rents types de fibres qui produisent des caract\u00e9ristiques diff\u00e9rentes.<\/p>\n<p>La p\u00e2te \u00e0 papier est fabriqu\u00e9e m\u00e9caniquement ou chimiquement \u00e0 partir des \u00e9claircies foresti\u00e8res et des d\u00e9chets des scieries, ce qui permet de laisser les plus grands arbres m\u00fbrir pour produire du bois de sciage destin\u00e9 \u00e0 des usages tels que la construction et l'ameublement. Toutes les p\u00e2tes utilis\u00e9es par les entreprises membres de Pro Carton sont fabriqu\u00e9es \u00e0 partir de bois provenant de for\u00eats certifi\u00e9es et, dans les for\u00eats g\u00e9r\u00e9es, davantage d'arbres sont plant\u00e9s que coup\u00e9s, ce qui garantit une base de mati\u00e8res premi\u00e8res croissante et renouvelable \u00e0 l'infini.<\/p>\n<p>Les fibres r\u00e9cup\u00e9r\u00e9es ou les d\u00e9chets de papier sont collect\u00e9s dans toute l'Europe, aussi pr\u00e8s que possible du point d'utilisation, afin de r\u00e9duire le transport. Tous les types de papier, de carton et d'emballage peuvent \u00eatre utilis\u00e9s et, apr\u00e8s avoir \u00e9t\u00e9 tri\u00e9es, les balles de fibres r\u00e9cup\u00e9r\u00e9es sont livr\u00e9es aux usines de carton pour \u00eatre utilis\u00e9es. On estime que les fibres de papier et de carton peuvent \u00eatre utilis\u00e9es jusqu'\u00e0 sept fois. En Europe, environ 46% de carton sont fabriqu\u00e9es \u00e0 partir de p\u00e2te \u00e0 papier, le reste, soit 54%, \u00e9tant produit \u00e0 partir de fibres r\u00e9cup\u00e9r\u00e9es ou de vieux papiers.<\/p>\n<p><strong>Fabrication de carton<\/strong><\/p>\n<p>La zone de pr\u00e9paration constitue le point de d\u00e9part du processus de production. La fibre, sous forme de p\u00e2te ou de papier r\u00e9cup\u00e9r\u00e9, est m\u00e9lang\u00e9e \u00e0 de l'eau dans de grands hydropulseurs jusqu'\u00e0 l'obtention d'une suspension tr\u00e8s fine. Elle est ensuite nettoy\u00e9e pour \u00e9liminer toute trace de contraste, raffin\u00e9e pour en am\u00e9liorer la r\u00e9sistance, puis pomp\u00e9e vers la machine \u00e0 carton o\u00f9 le carton est fabriqu\u00e9.<\/p>\n<p>Le m\u00e9lange de fibres et d'eau provenant de l'usine de pr\u00e9paration est pomp\u00e9 vers la machine \u00e0 carton et ce m\u00e9lange tr\u00e8s fin est d\u00e9pos\u00e9 sur plusieurs grilles m\u00e9talliques en mouvement continu. Au fur et \u00e0 mesure que l'eau s'\u00e9coule \u00e0 travers les mailles, les fibres commencent \u00e0 se fixer, puis toutes les feuilles sont r\u00e9unies pour former une feuille continue de carton. Celle-ci est ensuite press\u00e9e par de gros rouleaux pour extraire davantage d'eau, puis pass\u00e9e sur des cylindres chauff\u00e9s \u00e0 la vapeur pour faire \u00e9vaporer davantage d'eau.<\/p>\n<p>Lorsque le carton a atteint le taux d'humidit\u00e9 requis, jusqu'\u00e0 trois couches d'enduit - compos\u00e9es principalement d'argile et de craie - sont ajout\u00e9es \u00e0 la surface du carton. Ces enduits am\u00e9liorent le liss\u00e9 et la brillance et sont n\u00e9cessaires pour obtenir une impression de haute qualit\u00e9 sur les cartons.<\/p>\n<p>L'ensemble du processus est contr\u00f4l\u00e9 par ordinateur, avec des tol\u00e9rances tr\u00e8s \u00e9troites, afin de garantir une qualit\u00e9 constante. Une fois le carton fabriqu\u00e9, il est achemin\u00e9 vers la zone de finition o\u00f9 il est d\u00e9coup\u00e9 pour r\u00e9pondre aux besoins individuels des clients, soit en bobines plus petites, soit, plus souvent, en feuilles sur palettes.<\/p>\n<p><strong>Finition du carton<\/strong><\/p>\n<p>Une fois que le carton a \u00e9t\u00e9 enroul\u00e9 en grandes bobines \u00e0 l'extr\u00e9mit\u00e9 de la machine, il doit \u00eatre converti en un format utilisable par les imprimeurs et les clients d'otter. La majeure partie du carton est vendue en feuilles sur des palettes, mais il est \u00e9galement enroul\u00e9 en bobines plus petites qui sont ensuite exp\u00e9di\u00e9es aux clients qui impriment directement \u00e0 partir de ces bobines.<\/p>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"av-animated-generic top-to-bottom flex_column av_one_fourth  flex_column_div av-zero-column-padding   avia-builder-el-2  el_after_av_three_fourth  avia-builder-el-last\" style='border-radius:0px; '>\n<div  class='avia-image-container  av-styling-    avia-builder-el-3  el_before_av_image  avia-builder-el-first  avia-align-center'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  >\n<div class='avia-image-container-inner'>\n<div class='avia-image-overlay-wrap'><img decoding=\"async\" width=\"600\" height=\"202\" class='wp-image-274643 avia-img-lazy-loading-not-274643 avia_image' src=\"https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/02\/Holmen-Iggesund-Workington-Mill-Biomass-Boiler.jpg\" alt='' title='Chaudi\u00e8re \u00e0 biomasse Holmen Iggesund Workington Mill'  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/02\/Holmen-Iggesund-Workington-Mill-Biomass-Boiler.jpg 600w, https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/02\/Holmen-Iggesund-Workington-Mill-Biomass-Boiler-300x101.jpg 300w, https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/02\/Holmen-Iggesund-Workington-Mill-Biomass-Boiler-18x6.jpg 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/div>\n<\/div>\n<\/div>\n<div  class='avia-image-container  av-styling-    avia-builder-el-4  el_after_av_image  avia-builder-el-last  avia-align-center'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"  >\n<div class='avia-image-container-inner'>\n<div class='avia-image-overlay-wrap'><img decoding=\"async\" width=\"500\" height=\"364\" class='wp-image-277247 avia-img-lazy-loading-not-277247 avia_image' src=\"https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/05\/Husum-Mill.jpg\" alt='' title='Moulin de Husum'  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/05\/Husum-Mill.jpg 500w, https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/05\/Husum-Mill-300x218.jpg 300w, https:\/\/www.procarton.com\/wp-content\/uploads\/2022\/05\/Husum-Mill-16x12.jpg 16w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":5916,"featured_media":264882,"parent":307280,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-307285","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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