{"id":1021,"date":"2024-02-04T14:02:11","date_gmt":"2024-02-04T06:02:11","guid":{"rendered":"https:\/\/joyforce-tech.com\/?p=1021"},"modified":"2024-08-25T13:42:46","modified_gmt":"2024-08-25T05:42:46","slug":"how-to-dissolve-polyvinyl-alcohol-pva","status":"publish","type":"post","link":"https:\/\/joyforce-tech.com\/es\/how-to-dissolve-polyvinyl-alcohol-pva.html","title":{"rendered":"C\u00f3mo disolver el alcohol polivin\u00edlico PVA"},"content":{"rendered":"<p style=\"font-weight: 400;\">La disoluci\u00f3n del alcohol polivin\u00edlico es una operaci\u00f3n muy delicada. Si la disoluci\u00f3n no es buena, aparecer\u00e1n micelas o incluso bloques duros, lo que afecta directamente a la operaci\u00f3n posterior y a la calidad del producto. En primer lugar, el alcohol polivin\u00edlico se dispersa en agua fr\u00eda. La dispersi\u00f3n significa que las part\u00edculas est\u00e1n dispersas en el agua, en lugar de formar un grupo grande. En la producci\u00f3n industrial, a menudo se colocan conos de material a granel en el puerto de alimentaci\u00f3n y se controla la velocidad de alimentaci\u00f3n.<\/p>\n<p style=\"font-weight: 400;\">La segunda es colocarlo durante un tiempo en agitaci\u00f3n lenta o est\u00e1tica, para que el PVA se hinche en agua fr\u00eda. El tiempo de hinchamiento se determina en funci\u00f3n del tipo espec\u00edfico de PVA. A continuaci\u00f3n, se calienta lenta y uniformemente a la temperatura especificada mientras se agita lentamente para disolver el PVA. La temperatura de disoluci\u00f3n oscila entre 80 y 90 grados seg\u00fan el modelo espec\u00edfico. El principio de la agitaci\u00f3n lenta es agitar el sistema sin burbujas de aire.<\/p>\n<p style=\"font-weight: 400;\">El PVA disuelto es un l\u00edquido viscoso transparente con una ligera luz azul.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1011\" src=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/6-13.png\" alt=\"\" width=\"685\" height=\"420\" srcset=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/6-13.png 685w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/6-13-300x184.png 300w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/6-13-18x12.png 18w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/6-13-600x368.png 600w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>The dissolution of polyvinyl alcohol is a very delicate operation. If the dissolution is not good, micelles or even hard blocks will appear, which directly affects the subsequent operation and product quality. First, the polyvinyl alcohol is dispersed into cold water. The dispersion means that the particles are scattered in the water, rather than a [&hellip;]<\/p>","protected":false},"author":2,"featured_media":1011,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1021","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>How to dissolve polyvinyl alcohol PVA - 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\/es\/how-to-dissolve-polyvinyl-alcohol-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to dissolve polyvinyl alcohol PVA - Joyforce PVA Film and Bag\" \/>\n<meta property=\"og:description\" content=\"The dissolution of polyvinyl alcohol is a very delicate operation. 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