{"id":1035,"date":"2024-02-04T14:05:05","date_gmt":"2024-02-04T06:05:05","guid":{"rendered":"https:\/\/joyforce-tech.com\/?p=1035"},"modified":"2024-08-25T13:42:39","modified_gmt":"2024-08-25T05:42:39","slug":"a-series-of-chemical-modification-of-pva-polyvinyl-alcohol-resin","status":"publish","type":"post","link":"https:\/\/joyforce-tech.com\/fr\/a-series-of-chemical-modification-of-pva-polyvinyl-alcohol-resin.html","title":{"rendered":"Une s\u00e9rie de modifications chimiques de la r\u00e9sine PVA (alcool polyvinylique)"},"content":{"rendered":"<p>Gr\u00e2ce \u00e0 une s\u00e9rie de modifications chimiques apport\u00e9es \u00e0 la r\u00e9sine PVA (alcool polyvinylique), la r\u00e9sistance \u00e0 l'eau du PVA et la compacit\u00e9 de l'arrangement des mol\u00e9cules de PVA sont am\u00e9lior\u00e9es, de sorte qu'il est difficile pour les mol\u00e9cules de gaz de passer \u00e0 travers le rev\u00eatement. En m\u00eame temps, un corps min\u00e9ral \u00e0 haute barri\u00e8re est ajout\u00e9 \u00e0 la solution de rev\u00eatement pour former une barri\u00e8re \u00e0 haute barri\u00e8re, qui inhibe fortement et efficacement le mouvement du polym\u00e8re et am\u00e9liore encore les propri\u00e9t\u00e9s de barri\u00e8re du rev\u00eatement.<\/p>\n<p>Caract\u00e9ristiques :<\/p>\n<p>-Haute barri\u00e8re \u00e0 l'oxyg\u00e8ne<\/p>\n<p>-Pas besoin d'appliquer un primer au pr\u00e9alable<\/p>\n<p>-Bonne performance d'impression<\/p>\n<p>-Protection de l'environnement : les ingr\u00e9dients ne sont que du carbone, de l'oxyg\u00e8ne et de l'hydrog\u00e8ne ; les gaz nocifs sont \u00e9limin\u00e9s apr\u00e8s la combustion.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1027\" src=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/4-15.png\" alt=\"\" width=\"399\" height=\"297\" srcset=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/4-15.png 399w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/4-15-300x223.png 300w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/4-15-16x12.png 16w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Through a series of chemical modifications to PVA (polyvinyl alcohol) resin, the water resistance of PVA and the compactness of the arrangement of PVA molecules are improved, so that it is difficult for gas molecules to pass through the coating. At the same time, a high-barrier ore body is added to the coating solution to [&hellip;]<\/p>","protected":false},"author":2,"featured_media":1027,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1035","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>A series of chemical modification of PVA (polyvinyl alcohol) resin - 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\/a-series-of-chemical-modification-of-pva-polyvinyl-alcohol-resin.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A series of chemical modification of PVA (polyvinyl alcohol) resin - Joyforce PVA Film and Bag\" \/>\n<meta property=\"og:description\" content=\"Through a series of chemical modifications to PVA (polyvinyl alcohol) resin, the water resistance of PVA and the compactness of the arrangement of PVA molecules are improved, so that it is difficult for gas molecules to pass through the coating. 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