{"id":1039,"date":"2024-02-04T14:05:54","date_gmt":"2024-02-04T06:05:54","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=1039"},"modified":"2024-02-05T13:22:12","modified_gmt":"2024-02-05T05:22:12","slug":"the-production-method-of-vinyl-acetate","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/fr\/blogs\/the-production-method-of-vinyl-acetate.html","title":{"rendered":"M\u00e9thode de production de l'ac\u00e9tate de vinyle"},"content":{"rendered":"<ol>\n<li style=\"font-weight: 400;\">M\u00e9thode \u00e0 l'ac\u00e9tyl\u00e8ne En utilisant comme catalyseur de l'ac\u00e9tate de zinc soutenu par du charbon actif, on fait r\u00e9agir l'ac\u00e9tyl\u00e8ne et l'acide ac\u00e9tique sous pression normale et \u00e0 170-230 \u2103. Le produit de la r\u00e9action est soumis \u00e0 une s\u00e9paration des poudres, \u00e0 une s\u00e9paration des gaz, \u00e0 une \u00e9limination des ald\u00e9hydes, \u00e0 une distillation brute et \u00e0 une rectification pour obtenir de l'ac\u00e9tate de vinyle raffin\u00e9.<\/li>\n<li style=\"font-weight: 400;\">M\u00e9thode de l'\u00e9thyl\u00e8ne en phase gazeuse L'\u00e9thyl\u00e8ne, l'oxyg\u00e8ne et l'acide ac\u00e9tique r\u00e9agissent en phase gazeuse sous l'action d'un catalyseur palladium-or (ou platine) \u00e0 160<span style=\"font-style: inherit; font-weight: inherit;\">\uff5e<\/span><span style=\"font-style: inherit; font-weight: inherit;\">180\u2103 et une pression &lt;1MPa pour g\u00e9n\u00e9rer de l&#039;ac\u00e9tate de vinyle, puis s\u00e9par\u00e9 et rectifi\u00e9 pour obtenir des produits fins.<\/span><\/li>\n<li style=\"font-weight: 400;\">M\u00e9thode de la phase liquide de l'\u00e9thyl\u00e8ne L'\u00e9thyl\u00e8ne et l'acide ac\u00e9tique r\u00e9agissent avec du chlorure de palladium et du chlorure de cuivre comme catalyseur pour obtenir de l'ac\u00e9tate de vinyle.<\/li>\n<li style=\"font-weight: 400;\">M\u00e9thode \u00e0 l'ac\u00e9tald\u00e9hyde et \u00e0 l'anhydride ac\u00e9tique En utilisant l'ac\u00e9tald\u00e9hyde et l'anhydride ac\u00e9tique comme mati\u00e8re premi\u00e8re, on synth\u00e9tise d'abord l'acide \u00e9thyl\u00e8ne diac\u00e9tique, puis par r\u00e9action \u00e0 l'acide d\u00e9sac\u00e9tique, selon une m\u00e9thode en une \u00e9tape ou en deux \u00e9tapes.<\/li>\n<\/ol>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1029\" src=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/6-14.png\" alt=\"\" width=\"318\" height=\"189\" srcset=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/6-14.png 318w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/6-14-300x178.png 300w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/6-14-18x12.png 18w\" sizes=\"(max-width: 318px) 100vw, 318px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>M\u00e9thode \u00e0 l'ac\u00e9tyl\u00e8ne En utilisant comme catalyseur de l'ac\u00e9tate de zinc soutenu par du charbon actif, on fait r\u00e9agir l'ac\u00e9tyl\u00e8ne et l'acide ac\u00e9tique sous pression normale et \u00e0 170-230 \u2103. Le produit de la r\u00e9action est soumis \u00e0 la s\u00e9paration des poudres, \u00e0 la s\u00e9paration des gaz, \u00e0 l'\u00e9limination des ald\u00e9hydes, \u00e0 la distillation brute et \u00e0 la rectification pour obtenir de l'ac\u00e9tate de vinyle raffin\u00e9. M\u00e9thode de la phase gazeuse de l'\u00e9thyl\u00e8ne L'\u00e9thyl\u00e8ne, l'oxyg\u00e8ne et l'acide ac\u00e9tique sont [...]<\/p>","protected":false},"author":1,"featured_media":1029,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The production method of Vinyl Acetate - JOYFORCE INDUSTRIAL<\/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:\/\/www.joyforce.com\/fr\/blogs\/the-production-method-of-vinyl-acetate.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The production method of Vinyl Acetate - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"Acetylene method Using zinc acetate supported on activated carbon as a catalyst, acetylene and acetic acid are reacted under normal pressure and 170-230 \u2103. The reaction product is subjected to powder separation, gas separation, aldehyde removal, crude distillation and rectification to obtain refined vinyl acetate. 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