{"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\/et\/how-to-dissolve-polyvinyl-alcohol-pva.html","title":{"rendered":"Kuidas lahustada pol\u00fcvin\u00fc\u00fclalkoholi PVA-d"},"content":{"rendered":"<p style=\"font-weight: 400;\">Pol\u00fcvin\u00fc\u00fclalkoholi lahustamine on v\u00e4ga delikaatne toiming. Kui lahustumine ei ole hea, tekivad mitsellid v\u00f5i isegi k\u00f5vad plokid, mis m\u00f5jutab otseselt j\u00e4rgnevat t\u00f6\u00f6d ja toote kvaliteeti. K\u00f5igepealt dispergeeritakse pol\u00fcvin\u00fc\u00fclalkohol k\u00fclmas vees. Dispersioon t\u00e4hendab, et osakesed on vees hajutatud, mitte suur r\u00fchm. T\u00f6\u00f6stuslikus tootmises paigutatakse sageli puistematerjali koonused s\u00f6\u00f6tmisavasse ja reguleeritakse s\u00f6\u00f6tmise kiirust.<\/p>\n<p style=\"font-weight: 400;\">Teine on panna aeglaselt segades v\u00f5i staatiliselt liikuma, nii et PVA paisub k\u00fclmas vees. Paisumisaeg m\u00e4\u00e4ratakse vastavalt PVA konkreetsele t\u00fc\u00fcbile. Seej\u00e4rel kuumutatakse aeglaselt ja \u00fchtlaselt kindlaksm\u00e4\u00e4ratud temperatuurini, samal ajal aeglaselt segades, et PVA lahustuks. Lahustamistemperatuur on vastavalt konkreetsele mudelile vahemikus 80 kuni 90 kraadi. Aeglase segamise p\u00f5him\u00f5te on s\u00fcsteemi segamine ilma \u00f5humullideta.<\/p>\n<p style=\"font-weight: 400;\">Lahustunud PVA on l\u00e4bipaistev viskoosne vedelik, mis on kergelt sinine.<\/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\/et\/how-to-dissolve-polyvinyl-alcohol-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\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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