{"id":1021,"date":"2024-02-04T14:02:11","date_gmt":"2024-02-04T06:02:11","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=1021"},"modified":"2024-02-05T13:25:55","modified_gmt":"2024-02-05T05:25:55","slug":"how-to-dissolve-polyvinyl-alcohol-pva","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/id\/blogs\/how-to-dissolve-polyvinyl-alcohol-pva.html","title":{"rendered":"Cara melarutkan polivinil alkohol PVA"},"content":{"rendered":"

Pelarutan polivinil alkohol adalah operasi yang sangat rumit. Jika pelarutannya tidak bagus, misel atau bahkan gumpalan keras akan muncul, yang secara langsung memengaruhi pengoperasian selanjutnya dan kualitas produk. Pertama, polivinil alkohol didispersikan ke dalam air dingin. Dispersi berarti bahwa partikel-partikel tersebut tersebar di dalam air, bukan dalam kelompok besar. Dalam produksi industri, kerucut bahan curah sering ditempatkan di port pengumpanan dan kecepatan pengumpanan dikontrol.<\/p>\n

Yang kedua adalah menempatkan untuk jangka waktu tertentu di bawah pengadukan lambat atau statis, sehingga PVA membengkak dalam air dingin. Waktu pembengkakan ditentukan menurut jenis PVA tertentu. Kemudian dipanaskan secara perlahan dan seragam hingga suhu yang ditentukan sambil diaduk perlahan untuk melarutkan PVA. Suhu pelarutan berkisar antara 80 derajat hingga 90 derajat sesuai dengan model tertentu. Prinsip pengadukan lambat adalah mengaduk sistem tanpa gelembung udara.<\/p>\n

PVA terlarut adalah cairan kental transparan dengan sedikit cahaya biru.<\/p>\n

\"\"<\/p>","protected":false},"excerpt":{"rendered":"

Pelarutan polivinil alkohol adalah operasi yang sangat rumit. Jika pelarutannya tidak bagus, misel atau bahkan gumpalan keras akan muncul, yang secara langsung memengaruhi pengoperasian selanjutnya dan kualitas produk. Pertama, polivinil alkohol didispersikan ke dalam air dingin. Dispersi berarti bahwa partikel-partikel tersebar di dalam air, bukan [...]<\/p>","protected":false},"author":1,"featured_media":1011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1021","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"\nHow to dissolve polyvinyl alcohol PVA - 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\/id\/blogs\/how-to-dissolve-polyvinyl-alcohol-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to dissolve polyvinyl alcohol PVA - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"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. 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