{"id":790,"date":"2024-02-04T13:11:07","date_gmt":"2024-02-04T05:11:07","guid":{"rendered":"https:\/\/joyforce-tech.com\/?p=790"},"modified":"2024-02-05T13:48:03","modified_gmt":"2024-02-05T05:48:03","slug":"pva-film-manufacturing","status":"publish","type":"post","link":"https:\/\/joyforce-tech.com\/fr\/pva-film-manufacturing.html","title":{"rendered":"Fabrication de films PVA"},"content":{"rendered":"<p style=\"font-weight: 400;\"><span style=\"font-style: inherit; font-weight: inherit;\">Le PVA est le seul polym\u00e8re vinylique qui peut \u00eatre utilis\u00e9 par les bact\u00e9ries comme source de carbone et d'\u00e9nergie. Sous l'action des bact\u00e9ries et des enzymes, il peut d\u00e9grader le 75% en 46 jours. Il s'agit d'un type de mat\u00e9riau polym\u00e8re biod\u00e9gradable qui peut \u00eatre produit \u00e0 grande \u00e9chelle par des voies non p\u00e9troli\u00e8res. Le prix est bas, la r\u00e9sistance \u00e0 l'huile et aux solvants et les propri\u00e9t\u00e9s de barri\u00e8re aux gaz sont exceptionnelles, et il pr\u00e9sente des avantages uniques pour l'emballage des produits alimentaires et pharmaceutiques.<\/span><span style=\"font-style: inherit; font-weight: inherit;\">\u00a0<\/span><span style=\"font-style: inherit; font-weight: inherit;\">T<\/span><span style=\"font-style: inherit; font-weight: inherit;\">hese\u00a0<\/span><span style=\"font-style: inherit; font-weight: inherit;\">type<\/span><span style=\"font-style: inherit; font-weight: inherit;\">s<\/span><span style=\"font-style: inherit; font-weight: inherit;\">\u00a0Le processus de fabrication utilise g\u00e9n\u00e9ralement JOYFORCE PVA 0588, PVA 2088. Toutefois, le traitement de la solution et le moulage doivent \u00eatre soumis \u00e0 des processus de dissolution et de s\u00e9chage. Il pr\u00e9sente des inconv\u00e9nients tels qu'un processus complexe, un co\u00fbt \u00e9lev\u00e9 et un faible rendement. Il est difficile de pr\u00e9parer des produits \u00e0 parois \u00e9paisses et de forme complexe. En outre, il ne peut pas \u00eatre moul\u00e9 par coextrusion-soufflage avec d'autres mat\u00e9riaux pour pr\u00e9parer un film composite multicouche.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-797\" src=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1_738915.png\" width=\"581\" height=\"554\" srcset=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1_738915.png 581w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1_738915-300x286.png 300w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1_738915-13x12.png 13w\" sizes=\"(max-width: 581px) 100vw, 581px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>PVA is the only vinyl polymer that can be used by bacteria as a carbon source and energy source. Under the action of bacteria and enzymes, it can degrade 75% in 46 days. It is a kind of biodegradable polymer material and can be produced on a large scale by non-petroleum routes. , The price [&hellip;]<\/p>","protected":false},"author":2,"featured_media":797,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bolg"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PVA film manufacturing - Joyforce PVA Film and Bag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/joyforce-tech.com\/fr\/pva-film-manufacturing.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PVA film manufacturing - Joyforce PVA Film and Bag\" \/>\n<meta property=\"og:description\" content=\"PVA is the only vinyl polymer that can be used by bacteria as a carbon source and energy source. 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