{"id":2103,"date":"2025-06-18T18:41:20","date_gmt":"2025-06-19T01:41:20","guid":{"rendered":"https:\/\/fshualinkeji.com\/?p=2103"},"modified":"2025-06-18T20:12:33","modified_gmt":"2025-06-19T03:12:33","slug":"polypropylene-modifie","status":"publish","type":"post","link":"https:\/\/fshualinkeji.com\/fr\/polypropylene-modifie\/","title":{"rendered":"Explorer le polypropyl\u00e8ne modifi\u00e9 : Composition, propri\u00e9t\u00e9s et applications"},"content":{"rendered":"<p style=\"font-size:16px\">Le polypropyl\u00e8ne modifi\u00e9 est l'un des plastiques les plus performants et il est souvent utilis\u00e9 dans la conception de canalisations souterraines telles que les canalisations d'\u00e9nergie et de communication, en particulier dans les sc\u00e9narios de construction sans tranch\u00e9e.<\/p>\n\n\n\n<p style=\"font-size:16px\">Dans cet article, nous allons explorer quelques aspects fondamentaux du polypropyl\u00e8ne modifi\u00e9. Depuis les performances, la composition, les avantages jusqu'aux applications.<\/p>\n\n\n\n<p style=\"font-size:16px\">Commen\u00e7ons :<\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-cd1ad51c\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable des mati\u00e8res\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#what-is-modified-polypropylene\" class=\"uagb-toc-link__trigger\">Qu'est-ce que le polypropyl\u00e8ne modifi\u00e9 ?<\/a><li class=\"uagb-toc__list\"><a href=\"#chemical-composition-of-modified-polypropylene\" class=\"uagb-toc-link__trigger\">Composition chimique du polypropyl\u00e8ne modifi\u00e9<\/a><li class=\"uagb-toc__list\"><a href=\"#characteristics-of-modified-polyethylene\" class=\"uagb-toc-link__trigger\">Caract\u00e9ristiques du poly\u00e9thyl\u00e8ne modifi\u00e9<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#high-wear-resistance\" class=\"uagb-toc-link__trigger\">Haute r\u00e9sistance \u00e0 l'usure<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#enhanced-corrosion-resistance\" class=\"uagb-toc-link__trigger\">R\u00e9sistance accrue \u00e0 la corrosion<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#eexcellent-electrical-performance\" class=\"uagb-toc-link__trigger\">EExcellentes performances \u00e9lectriques<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#surface-activity-improvement\" class=\"uagb-toc-link__trigger\">Am\u00e9lioration de l'activit\u00e9 de surface<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#advantages-of-modified-polypropylene\" class=\"uagb-toc-link__trigger\">Avantages du polypropyl\u00e8ne modifi\u00e9<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#excellent-impact-resistance\" class=\"uagb-toc-link__trigger\">Excellente r\u00e9sistance aux chocs<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#excellent-corrosion-resistance\" class=\"uagb-toc-link__trigger\">Excellente r\u00e9sistance \u00e0 la corrosion<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#anti-aging-ability-upgrade\" class=\"uagb-toc-link__trigger\">Am\u00e9lioration de la capacit\u00e9 anti-\u00e2ge<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#low-water-absorption\" class=\"uagb-toc-link__trigger\">Faible absorption d'eau<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#application-of-modified-polypropylene\" class=\"uagb-toc-link__trigger\">Application du polypropyl\u00e8ne modifi\u00e9<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#power-pipeline\" class=\"uagb-toc-link__trigger\">Conduite d'\u00e9lectricit\u00e9<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#agricultural-irrigation-pipe\" class=\"uagb-toc-link__trigger\">Tuyau d'irrigation agricole<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#drainage-pipes\" class=\"uagb-toc-link__trigger\">Tuyaux d'\u00e9vacuation<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#faq\" class=\"uagb-toc-link__trigger\">FAQ<\/a><li class=\"uagb-toc__list\"><a href=\"#conclusion\" class=\"uagb-toc-link__trigger\">Conclusion<\/a><\/ul><\/ul><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<div class=\"wp-block-uagb-container uagb-block-91adb274 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-3.jpg\" alt=\"\" class=\"wp-image-1496\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-3.jpg 750w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-3-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-b94f55da\"><h2 class=\"uagb-heading-text\">Qu'est-ce que le polypropyl\u00e8ne modifi\u00e9 ?<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">Le poly\u00e9thyl\u00e8ne modifi\u00e9 est un mat\u00e9riau polym\u00e8re fabriqu\u00e9 en ajustant la structure mol\u00e9culaire du poly\u00e9thyl\u00e8ne de base (PE) par des moyens physiques, chimiques ou biologiques, ce qui lui conf\u00e8re des performances sup\u00e9rieures ou de nouvelles fonctions.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-f9c31768\"><h2 class=\"uagb-heading-text\">Composition chimique du polypropyl\u00e8ne modifi\u00e9<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">Le poly\u00e9thyl\u00e8ne modifi\u00e9 peut am\u00e9liorer sa duret\u00e9 et sa r\u00e9sistance aux chocs gr\u00e2ce \u00e0 la combinaison de plusieurs \u00e9l\u00e9ments.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-73c542cfa13ab791d359460cdc520628\" style=\"color:#858a93;font-size:16px\">Ses principaux composants sont des variantes fonctionnalis\u00e9es form\u00e9es par l'introduction de groupes fonctionnels sp\u00e9cifiques ou la combinaison d'autres mat\u00e9riaux sur le squelette carbone-hydrog\u00e8ne du poly\u00e9thyl\u00e8ne de base (-CH\u2082-CH\u2082-) par des moyens chimiques ou physiques.<\/p>\n\n\n\n<p style=\"font-size:16px\">Ses principales modifications sont les suivantes : \u2460 Modification par greffage chimique (comme le greffage d'anhydride mal\u00e9ique pour introduire des groupes polaires -CO-CH=CH-CO- afin d'am\u00e9liorer l'adh\u00e9rence) ; \u2461 Modification par r\u00e9ticulation (formation d'une structure de r\u00e9seau tridimensionnel -C-C- ou -Si-O-Si- afin d'am\u00e9liorer la r\u00e9sistance \u00e0 la chaleur) ; \u2462 Modification par chloration\/sulfonation (ajout de groupes -Cl ou -SO\u2083H pour obtenir des propri\u00e9t\u00e9s \u00e9lastom\u00e8res) ; \u2463 M\u00e9lange et compoundage (combinaison avec des \u00e9lastom\u00e8res POE, des charges de carbonate de calcium, etc. pour optimiser les propri\u00e9t\u00e9s m\u00e9caniques).<\/p>\n\n\n\n<p style=\"font-size:16px\">Le poly\u00e9thyl\u00e8ne modifi\u00e9 conserve non seulement le squelette carbone-hydrog\u00e8ne du PE original, mais r\u00e9alise \u00e9galement des perc\u00e9es en mati\u00e8re de r\u00e9sistance \u00e0 la temp\u00e9rature (-100\u2103~120\u2103), de r\u00e9sistance m\u00e9canique et de fonctionnalisation (telle que l'isolation, l'antibact\u00e9rien) gr\u00e2ce \u00e0 la conception de la structure mol\u00e9culaire, et est largement utilis\u00e9 dans les c\u00e2bles, les tuyaux, le domaine m\u00e9dical et d'autres domaines.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-91cacbe1 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/06\/PP-power-pipe.jpg\" alt=\"\" class=\"wp-image-1822\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/06\/PP-power-pipe.jpg 600w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/06\/PP-power-pipe-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-ff8987e6\"><h2 class=\"uagb-heading-text\">Caract\u00e9ristiques du poly\u00e9thyl\u00e8ne modifi\u00e9<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e7157af4\"><h3 class=\"uagb-heading-text\">Haute r\u00e9sistance \u00e0 l'usure<\/h3><p class=\"uagb-desc-text\">Am\u00e9lioration de la r\u00e9sistance \u00e0 la traction et \u00e0 l'usure : Les vari\u00e9t\u00e9s modifi\u00e9es \u00e0 tr\u00e8s haut poids mol\u00e9culaire (telles que l'UHMWPE) sont utilis\u00e9es dans les mat\u00e9riaux pare-balles et les articulations artificielles, et leur r\u00e9sistance \u00e0 l'usure est plus de cinq fois sup\u00e9rieure \u00e0 celle du PE conventionnel.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c9f8e8e0\"><h3 class=\"uagb-heading-text\">R\u00e9sistance accrue \u00e0 la corrosion<\/h3><p class=\"uagb-desc-text\">Tol\u00e9rantes aux acides, aux alcalis, aux solvants organiques et aux environnements oxydatifs, les vari\u00e9t\u00e9s sulfon\u00e9es (introduisant des groupes -SO\u2083H) sont utilis\u00e9es pour les rev\u00eatements d'\u00e9quipements chimiques.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-dce48c63\"><h3 class=\"uagb-heading-text\">EExcellentes performances \u00e9lectriques<\/h3><p class=\"uagb-desc-text\">R\u00e9sistance d'isolation (\uff1e10\u00b9\u2076 \u03a9-m) et rigidit\u00e9 di\u00e9lectrique (\uff1e30 kV\/mm) \u00e9lev\u00e9es, utilis\u00e9es pour l'isolation des c\u00e2bles \u00e0 ultra-haute tension.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-ee588d2e\"><h3 class=\"uagb-heading-text\">Am\u00e9lioration de l'activit\u00e9 de surface<\/h3><p class=\"uagb-desc-text\">Le greffage d'anhydride mal\u00e9ique introduit des groupes polaires (-CO-CH=CH-CO-) pour r\u00e9soudre l'inertie de la surface PE d'origine et am\u00e9liorer l'impression\/l'adh\u00e9rence.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-a01f52ee alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Orange-cable-tube.jpg\" alt=\"\" class=\"wp-image-1036\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Orange-cable-tube.jpg 600w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Orange-cable-tube-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-ccfa6e59\"><h2 class=\"uagb-heading-text\">Avantages du polypropyl\u00e8ne modifi\u00e9<\/h2><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6b1571e8\"><h3 class=\"uagb-heading-text\">Excellente r\u00e9sistance aux chocs<\/h3><p class=\"uagb-desc-text\">La modification des cristaux \u03b2 augmente de 2 \u00e0 3 fois la r\u00e9sistance aux chocs \u00e0 basse temp\u00e9rature, ce qui r\u00e9sout le probl\u00e8me de fragilit\u00e9 \u00e0 basse temp\u00e9rature du PP ordinaire.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e2c102d6\"><h3 class=\"uagb-heading-text\">Excellente r\u00e9sistance \u00e0 la corrosion<\/h3><p class=\"uagb-desc-text\">Tol\u00e9rantes aux acides, aux alcalis et aux solvants organiques, les vari\u00e9t\u00e9s modifi\u00e9es sulfon\u00e9es sont utilis\u00e9es pour les rev\u00eatements d'\u00e9quipements chimiques.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-0e29f857\"><h3 class=\"uagb-heading-text\">Am\u00e9lioration de la capacit\u00e9 anti-\u00e2ge<\/h3><p class=\"uagb-desc-text\">La modification antioxydante retarde la d\u00e9gradation due aux UV et prolonge la dur\u00e9e de vie \u00e0 l'ext\u00e9rieur.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-754a1866\"><h3 class=\"uagb-heading-text\">Faible absorption d'eau<\/h3><p class=\"uagb-desc-text\">Le taux d'absorption d'eau est inf\u00e9rieur \u00e0 0,2%, et la stabilit\u00e9 dimensionnelle dans un environnement humide est meilleure que celle de la plupart des plastiques techniques.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-7cd71e17 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-4.jpg\" alt=\"\" class=\"wp-image-1498\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-4.jpg 750w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/Material-4-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d6ba134d\"><h2 class=\"uagb-heading-text\">Application du polypropyl\u00e8ne modifi\u00e9<\/h2><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-8551d7ba\"><h3 class=\"uagb-heading-text\">Conduite d'\u00e9lectricit\u00e9<\/h3><p class=\"uagb-desc-text\">Utilis\u00e9 pour la construction de c\u00e2bles \u00e0 haute tension sup\u00e9rieurs \u00e0 10 kV dans le cadre de projets d'\u00e9nergie municipaux, afin de r\u00e9duire les dommages caus\u00e9s aux routes. Convient aux zones sensibles telles que les sites historiques et les autoroutes.<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-a4cd75aa\"><h3 class=\"uagb-heading-text\">Tuyau d'irrigation agricole<\/h3><p class=\"uagb-desc-text\">Prot\u00e8ge les c\u00e2bles des \u00e9quipements d'irrigation, r\u00e9sistant \u00e0 la corrosion saline et alcaline du sol (dur\u00e9e de vie &gt; 15 ans dans un environnement de pH 8,5).<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-23135544\"><h3 class=\"uagb-heading-text\">Tuyaux d'\u00e9vacuation<\/h3><p class=\"uagb-desc-text\">R\u00e9sistant \u00e0 la corrosion chimique, respectueux de l'environnement et non toxique, il remplace le m\u00e9tal. <a href=\"https:\/\/fshualinkeji.com\/fr\/tuyau-en-polyethylene-2\/\">tuyaux<\/a> r\u00e9soudre les probl\u00e8mes de rouille<\/p><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5a351673\"><h2 class=\"uagb-heading-text\">FAQ<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">1. le poly\u00e9thyl\u00e8ne modifi\u00e9 est-il nocif pour le corps humain ?<\/p>\n\n\n\n<p style=\"font-size:16px\">Le poly\u00e9thyl\u00e8ne modifi\u00e9 est stable \u00e0 temp\u00e9rature ambiante, n'\u00e9met pas de substances toxiques et ne pr\u00e9sente pas de risques pour la sant\u00e9 en cas de contact normal avec la peau ou en tant que mat\u00e9riau d'emballage.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d2c0fb33\"><h2 class=\"uagb-heading-text\">Conclusion<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">Le polypropyl\u00e8ne modifi\u00e9 est une mati\u00e8re plastique relativement stable qui pr\u00e9sente une bonne r\u00e9sistance \u00e0 la corrosion, au vieillissement et \u00e0 la chaleur. Il est \u00e9galement tr\u00e8s facile \u00e0 fabriquer. Si vous comprenez bien ce mat\u00e9riau, vous pourrez fabriquer des tuyaux fiables et tr\u00e8s r\u00e9sistants pour des applications exigeantes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Modified polypropylene is one of the best performing plastics and is often used in underground pipeline engineering design such as [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"unboxed","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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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-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":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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pipes\";s:5:\"depth\";i:3;}i:16;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:3:\"faq\";s:7:\"content\";s:3:\"FAQ\";s:5:\"depth\";i:2;}i:17;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:10:\"conclusion\";s:7:\"content\";s:10:\"Conclusion\";s:5:\"depth\";i:2;}}}"],"_uag_css_file_name":["uag-css-2103.css"],"_uag_js_file_name":["uag-js-2103.js"]},"uagb_featured_image_src":{"full":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",750,500,false],"thumbnail":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1-150x150.jpg",150,150,true],"medium":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1-300x200.jpg",300,200,true],"medium_large":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",750,500,false],"large":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",750,500,false],"1536x1536":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",750,500,false],"2048x2048":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",750,500,false],"trp-custom-language-flag":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/05\/MPP-Pipe-Applications-1.jpg",18,12,false]},"uagb_author_info":{"display_name":"Hualinpipe","author_link":"https:\/\/fshualinkeji.com\/fr\/author\/juntongtechoutlook-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Modified polypropylene is one of the best performing plastics and is often used in underground pipeline engineering design such as 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