{"id":849,"date":"2024-02-04T13:21:00","date_gmt":"2024-02-04T05:21:00","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=849"},"modified":"2024-02-05T13:40:30","modified_gmt":"2024-02-05T05:40:30","slug":"production-method-of-polyvinyl-alcohol-fiber","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/es\/blogs\/production-method-of-polyvinyl-alcohol-fiber.html","title":{"rendered":"M\u00e9todo de producci\u00f3n de fibra de alcohol polivin\u00edlico"},"content":{"rendered":"<p style=\"font-weight: 400;\"><span style=\"font-style: inherit; font-weight: inherit;\">El peso molecular medio de la materia prima alcohol polivin\u00edlico utilizada para la fibra de alcohol polivin\u00edlico es 60.000-150.000, la temperatura de descomposici\u00f3n t\u00e9rmica es 200-220<\/span><span style=\"font-style: inherit; font-weight: inherit;\">\u00b0<\/span><span style=\"font-style: inherit; font-weight: inherit;\">C, y el punto de fusi\u00f3n es de 225-230<\/span><span style=\"font-style: inherit; font-weight: inherit;\">\u00b0<\/span><span style=\"font-style: inherit; font-weight: inherit;\">C. Las fibras de alcohol polivin\u00edlico pueden obtenerse por hilado en h\u00famedo e hilado en seco. La fibra de alcohol polivin\u00edlico despu\u00e9s del tratamiento t\u00e9rmico se puede obtener acetalizando la fibra de alcohol polivin\u00edlico. El proceso de acetalizaci\u00f3n consiste en lavar la estopa con agua para eliminar la sal de Glauber (sulfato s\u00f3dico), despu\u00e9s pasar por la soluci\u00f3n de hidroformilaci\u00f3n (compuesta por formaldeh\u00eddo como agente formaldeh\u00eddo, agua diluyente, \u00e1cido sulf\u00farico catalizador y sulfato s\u00f3dico como agente antiinflamatorio), y despu\u00e9s lavar con agua. el proceso de. La estopa tambi\u00e9n puede cortarse en fibras cortas, transportarse a una m\u00e1quina de postprocesado mediante flujo de aire y acetalizarse en un alambre de acero inoxidable. Para mejorar las propiedades de la fibra, la soluci\u00f3n de alcohol polivin\u00edlico (concentraci\u00f3n de 16%) que contiene el agente reticulante \u00e1cido b\u00f3rico puede hilarse en h\u00famedo, y las fibras primarias obtenidas se coagulan en un ba\u00f1o de coagulaci\u00f3n alcalino, se neutralizan, se lavan con agua y se someten a un proceso de estirado alto en varias etapas. Y tratamiento t\u00e9rmico, se puede obtener el filamento con la fuerza de 106-115cN\/dtex.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-838\" src=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/5-6.png\" alt=\"\" width=\"601\" height=\"376\" srcset=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/5-6.png 601w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/5-6-300x188.png 300w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/5-6-18x12.png 18w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>El peso molecular medio de la materia prima alcohol polivin\u00edlico utilizada para la fibra de alcohol polivin\u00edlico es de 60.000-150.000, la temperatura de descomposici\u00f3n t\u00e9rmica es de 200-220\u00b0C y el punto de fusi\u00f3n es de 225-230\u00b0C. Las fibras de alcohol polivin\u00edlico pueden obtenerse mediante hilado en h\u00famedo e hilado en seco. La fibra de alcohol polivin\u00edlico despu\u00e9s del tratamiento t\u00e9rmico puede obtenerse por acetalizaci\u00f3n [...]<\/p>","protected":false},"author":1,"featured_media":838,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-849","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>Production method of polyvinyl alcohol fiber - 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\/es\/blogs\/production-method-of-polyvinyl-alcohol-fiber.html\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Production method of polyvinyl alcohol fiber - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"The average molecular weight of the raw material polyvinyl alcohol used for the polyvinyl alcohol fiber is 60,000-150,000, the thermal decomposition temperature is 200-220\u00b0C, and the melting point is 225-230\u00b0C. Polyvinyl alcohol fibers can be obtained by wet spinning and dry spinning. 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