{"id":4071,"date":"2024-02-05T05:57:42","date_gmt":"2024-02-05T05:57:42","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=4071"},"modified":"2026-05-08T03:00:01","modified_gmt":"2026-05-08T03:00:01","slug":"fdca-cas-3238-40-2","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/id\/product\/fdca-cas-3238-40-2\/","title":{"rendered":"Asam 2,5-Furandicarboxylic CAS 3238-40-2"},"content":{"rendered":"

Asam 2,5-Furandicarboxylic CAS 3238-40-2<\/strong><\/h2>\n\n\n\n\n\n\n\n\n
Item<\/td>\nSpesifikasi<\/td>\n<\/tr>\n
Penampilan<\/td>\nBubuk putih<\/td>\n<\/tr>\n
Konten (HPLC)<\/td>\n\uff1e99.5%<\/td>\n<\/tr>\n
Logam berat (mg\/kg)<\/td>\n\u22642.0<\/td>\n<\/tr>\n
Kerugian karena pengeringan<\/td>\n\u22640.5%<\/td>\n<\/tr>\n
Abu<\/td>\n\u22642.0%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Penggunaan asam 2,5-Furandicarboxylic<\/strong><\/p>\n

1. 5-Hydroxymethylfurfural adalah senyawa platform utama untuk derivatisasi oksidatif asam 2,5-furandicarboxylic (2,5-furandicarboxylic acid), yang dianggap sebagai alternatif terbarukan dan ramah lingkungan untuk asam tereftalat berbasis minyak bumi. Selain itu, proses
\n2. Asam 2,5-Furandicarboxylic juga dapat digunakan sebagai pengganti asam isophthalic, asam butanedioic, bisphenol A, asam adipat, dll. Dalam pembuatan polimer berbasis biobased seperti poliester, poliamida, dan resin epoksi.
\n3. Dapat digunakan dalam kemasan plastik biodegradable, plastik rekayasa, nilon, dll.<\/p>\n

Paket asam 2,5-Furandicarboxylic<\/strong><\/p>\n

25kg\/drum.<\/p>\n

Disegel dan disimpan di tempat yang sejuk dan kering.<\/p>\n

Hubungi Kami Sekarang!<\/b><\/strong><\/h2>\n

Jika Anda membutuhkan Harga, silakan isi informasi kontak Anda di formulir di bawah ini, kami biasanya akan menghubungi Anda dalam waktu 24 jam. Anda juga bisa mengirim email kepada saya info@longchangchemical.com<\/a><\/span> selama jam kerja (8:30 pagi hingga 6:00 sore UTC+8 Senin-Sabtu) atau gunakan obrolan langsung situs web untuk mendapatkan balasan secepatnya.<\/b><\/strong><\/h4>\n

<\/p>\n

Mengapa katalis bubuk jarang digunakan dalam reaksi kimia?<\/p>\n

1, Batasan perpindahan massa: Katalis bubuk biasanya memiliki luas permukaan dan struktur pori yang besar, yang dirancang untuk meningkatkan aktivitas reaksi katalitik. Namun, molekul reaktan mungkin mengalami keterbatasan transfer massa selama masuk ke dalam pori-pori ini, menghasilkan laju reaksi yang terbatas. Sebaliknya, penggunaan katalis dengan morfologi lain (misalnya, granular atau berpori) dapat mengurangi keterbatasan perpindahan massa dan dengan demikian meningkatkan laju reaksi.<\/p>\n

2, Masalah Penurunan Tekanan: Katalis bubuk biasanya membentuk unggun yang rapat di dalam reaktor. Saat reaksi berlangsung, reaktan melewati lapisan katalis, yang dapat mengakibatkan penurunan tekanan yang besar. Penurunan tekanan ini meningkatkan biaya pengoperasian sistem dan mungkin memerlukan perawatan dan penggantian katalis setelah jangka waktu operasi yang lama.<\/p>\n

3, Dispersi: Katalis bubuk tidak terdispersi dengan baik di dalam reaktor karena bentuk butirannya. Dispersi yang buruk dapat menyebabkan pemanfaatan yang kurang dari beberapa partikel katalis, sehingga mempengaruhi efisiensi dan selektivitas produk reaksi.<\/p>\n

4, Manajemen termal reaksi: Beberapa reaksi katalitik bersifat eksotermik, dan penggunaan katalis bubuk dapat menyebabkan akumulasi panas di unggun katalis, sehingga manajemen termal reaksi menjadi lebih sulit. Hal ini dapat menyebabkan pembentukan titik panas dan masalah kontrol suhu reaksi.<\/p>\n

Namun, tidak semua situasi tidak cocok untuk penggunaan katalis bubuk. Dalam beberapa kondisi reaksi tertentu, katalis bubuk mungkin masih merupakan pilihan yang sesuai. Pemilihan bentuk katalis yang sesuai tergantung pada jenis reaksi spesifik, kondisi reaksi dan persyaratan untuk laju reaksi, selektivitas dan perpindahan massa. Dalam praktiknya, insinyur kimia akan mempertimbangkan faktor-faktor di atas untuk memilih bentuk katalis yang paling sesuai.<\/p>","protected":false},"excerpt":{"rendered":"

Nama kimia: 2,5-Furandicarboxylicacid<\/p>\n

Nomor CAS: 3238-40-2<\/p>\n

Rumus molekul: C6H4O5<\/p>\n

Berat molekul: 156.09<\/p>\n

Struktur Molekul:\"Struktur<\/p>\n

Penampilan: Bubuk putih<\/p>\n

Kepadatan: 1.7400<\/p>","protected":false},"featured_media":6720,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-4071","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-catalysts-chemical-auxiliary-agents","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina 2,5-Furandicarboxylic acid Manufacturer CAS 3238-40-2 - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"2,5-Furandicarboxylic acid CAS 3238-40-2 is used in industrial processing and formulation applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/id\/product\/fdca-cas-3238-40-2\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China 2,5-Furandicarboxylic acid Manufacturer CAS 3238-40-2 - 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