{"id":932,"date":"2024-02-04T13:37:17","date_gmt":"2024-02-04T05:37:17","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=932"},"modified":"2024-02-05T13:32:49","modified_gmt":"2024-02-05T05:32:49","slug":"two-other-processes-for-preparing-hydroxyethyl-cellulosehec","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/id\/blogs\/two-other-processes-for-preparing-hydroxyethyl-cellulosehec.html","title":{"rendered":"Dua proses lain untuk membuat hidroksietil selulosa (HEC)"},"content":{"rendered":"<p style=\"font-weight: 400;\">Metode fase gas: Metode fase gas adalah menambahkan aditif atau pengencer selama proses reaksi, dan serat alkali dan EO bereaksi dalam fase gas. Serat kapas direndam dan diaktifkan dalam larutan NaOH 18.5%, kemudian ditekan dan dihancurkan dan ditempatkan di dalam reaktor. Reaktor dievakuasi, diisi dengan nitrogen dua kali, EO ditambahkan, dan reaksi diperoleh pada tingkat vakum 90,64kPa dan 27-32 \u00b0 C selama 3-3,5 jam.<\/p>\n<p style=\"font-weight: 400;\">Metode fase cair: Metode fase cair adalah melakukan reaksi eterifikasi dengan adanya pengencer. Setelah alkalisasi dan pengepresan, serat kapas direaksikan dengan EO pada suhu 20-60\u00b0C selama 1-3 jam dengan adanya pengencer untuk mendapatkan hidroksietil selulosa mentah. Pengencer yang umum digunakan adalah aseton, isopropanol, tert-butanol, atau campurannya. Produk tetap tidak larut dalam pengencer.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-919\" src=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7.png\" alt=\"\" width=\"914\" height=\"571\" srcset=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7.png 914w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7-300x187.png 300w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7-768x480.png 768w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7-18x12.png 18w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/2-7-600x375.png 600w\" sizes=\"(max-width: 914px) 100vw, 914px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Metode fase gas: Metode fase gas adalah menambahkan aditif atau pengencer selama proses reaksi, dan serat alkali dan EO bereaksi dalam fase gas. Serat kapas direndam dan diaktifkan dalam larutan NaOH 18.5%, kemudian ditekan dan dihancurkan dan ditempatkan di dalam reaktor. Reaktor dievakuasi, diisi dengan nitrogen [...]<\/p>","protected":false},"author":1,"featured_media":919,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-932","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>Two other processes for preparing hydroxyethyl cellulose(HEC) - 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\/two-other-processes-for-preparing-hydroxyethyl-cellulosehec.html\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Two other processes for preparing hydroxyethyl cellulose(HEC) - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"Gas phase method: The gas phase method is to add additives or diluents during the reaction process, and the alkali fibers and EO react in the gas phase. The cotton fibers were soaked and activated in 18.5% NaOH solution, then pressed and crushed and placed in the reactor. 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