{"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\/hu\/product\/fdca-cas-3238-40-2\/","title":{"rendered":"2,5-Furandikarbonsav CAS 3238-40-2"},"content":{"rendered":"

2,5-Furandikarbonsav CAS 3238-40-2<\/strong><\/h2>\n\n\n\n\n\n\n\n\n
T\u00e9telek<\/td>\nM\u0171szaki adatok<\/td>\n<\/tr>\n
Megjelen\u00e9s<\/td>\nFeh\u00e9r por<\/td>\n<\/tr>\n
Tartalom (HPLC)<\/td>\n\uff1e99.5%<\/td>\n<\/tr>\n
Neh\u00e9zf\u00e9mek\uff08mg\/kg\uff09<\/td>\n\u22642.0<\/td>\n<\/tr>\n
Sz\u00e1r\u00edt\u00e1si vesztes\u00e9g<\/td>\n\u22640,5%<\/td>\n<\/tr>\n
Ash<\/td>\n\u22642.0%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2,5-Furandikarbonsav Felhaszn\u00e1l\u00e1s<\/strong><\/p>\n

1. Az 5-hidroxi-metil-furfurol kulcsfontoss\u00e1g\u00fa platformvegy\u00fclet a 2,5-furandikarbonsav (2,5-furandikarbonsav) oxidat\u00edv deriv\u00e1l\u00e1s\u00e1ra, amelyet a k\u0151olajalap\u00fa tereft\u00e1lsav meg\u00fajul\u00f3 \u00e9s z\u00f6ld alternat\u00edv\u00e1j\u00e1nak tekintenek. Ezenk\u00edv\u00fcl a
\n2. A 2,5-furandikarbonsav az izoft\u00e1lsav, but\u00e1ndionsav, biszfenol A, adipinsav stb. helyettes\u00edt\u0151jek\u00e9nt is haszn\u00e1lhat\u00f3 bioalap\u00fa polimerek, p\u00e9ld\u00e1ul poli\u00e9szterek, poliamidok \u00e9s epoxigyant\u00e1k el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz.
\n3. Haszn\u00e1lhat\u00f3 biol\u00f3giailag leboml\u00f3 m\u0171anyag csomagol\u00e1sban, m\u0171szaki m\u0171anyagokban, nejlonban stb.<\/p>\n

2,5-Furandikarbonsav csomag<\/strong><\/p>\n

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

Lez\u00e1rva, h\u0171v\u00f6s \u00e9s sz\u00e1raz k\u00f6rnyezetben t\u00e1rolva.<\/p>\n

L\u00e9pjen kapcsolatba vel\u00fcnk most!<\/b><\/strong><\/h2>\n

Ha sz\u00fcks\u00e9ge van Price-ra, k\u00e9rj\u00fck, t\u00f6ltse ki el\u00e9rhet\u0151s\u00e9g\u00e9t az al\u00e1bbi \u0171rlapon, \u00e1ltal\u00e1ban 24 \u00f3r\u00e1n bel\u00fcl felvessz\u00fck \u00d6nnel a kapcsolatot. \u00d6n is k\u00fcldhet nekem e-mailt info@longchangchemical.com<\/a><\/span> munkaid\u0151ben ( 8:30-18:00 UTC+8 H.-Szombat ) vagy haszn\u00e1lja a weboldal \u00e9l\u0151 chatj\u00e9t, hogy azonnali v\u00e1laszt kapjon.<\/b><\/strong><\/h4>\n

<\/p>\n

Mi\u00e9rt haszn\u00e1lj\u00e1k ritk\u00e1n a por alak\u00fa kataliz\u00e1torokat k\u00e9miai reakci\u00f3kban?<\/p>\n

1, T\u00f6meg\u00e1tad\u00e1si korl\u00e1toz\u00e1s: A por kataliz\u00e1torok \u00e1ltal\u00e1ban nagy fel\u00fclettel \u00e9s p\u00f3russzerkezettel rendelkeznek, amelyek c\u00e9lja a katalitikus reakci\u00f3k aktivit\u00e1s\u00e1nak n\u00f6vel\u00e9se. A reakt\u00e1ns molekul\u00e1k azonban e p\u00f3rusokba val\u00f3 bel\u00e9p\u00e9s\u00fck sor\u00e1n t\u00f6meg\u00e1tviteli korl\u00e1tokkal tal\u00e1lkozhatnak, ami korl\u00e1tozott reakci\u00f3sebess\u00e9get eredm\u00e9nyez. Ezzel szemben a m\u00e1s morfol\u00f3gi\u00e1j\u00fa (pl. szemcs\u00e9s vagy por\u00f3zus) kataliz\u00e1torok alkalmaz\u00e1sa enyh\u00edtheti a t\u00f6meg\u00e1tviteli korl\u00e1toz\u00e1sokat, \u00e9s \u00edgy n\u00f6velheti a reakci\u00f3sebess\u00e9get.<\/p>\n

2, nyom\u00e1ses\u00e9s probl\u00e9m\u00e1ja: A por alak\u00fa kataliz\u00e1torok jellemz\u0151en szorosan t\u00f6m\u00f6r\u00edtett \u00e1gyat alkotnak a reaktorban. A reakci\u00f3 el\u0151rehaladt\u00e1val a reakt\u00e1nsok \u00e1thaladnak a kataliz\u00e1torr\u00e9tegen, ami nagy nyom\u00e1ses\u00e9st eredm\u00e9nyezhet. Ez a nyom\u00e1ses\u00e9s n\u00f6veli a rendszer \u00fczemeltet\u00e9si k\u00f6lts\u00e9geit, \u00e9s hossz\u00fa \u00fczemid\u0151 ut\u00e1n sz\u00fcks\u00e9gess\u00e9 v\u00e1lhat a kataliz\u00e1tor karbantart\u00e1sa \u00e9s cser\u00e9je.<\/p>\n

3, sz\u00f3r\u00e1s: A por alak\u00fa kataliz\u00e1torok szemcs\u00e9s form\u00e1juk miatt rosszul diszperg\u00e1l\u00f3dnak a reaktorban. A rossz diszperg\u00e1l\u00e1s a kataliz\u00e1tor r\u00e9szecsk\u00e9k egy r\u00e9sz\u00e9nek kihaszn\u00e1latlans\u00e1g\u00e1hoz vezethet, ami befoly\u00e1solja a reakci\u00f3 hat\u00e9konys\u00e1g\u00e1t \u00e9s term\u00e9kszelektivit\u00e1s\u00e1t.<\/p>\n

4, Reakci\u00f3 h\u0151kezel\u00e9s: A katalitikus reakci\u00f3k n\u00e9melyike exoterm, \u00e9s a por\u00edtott kataliz\u00e1torok haszn\u00e1lata h\u0151felhalmoz\u00f3d\u00e1shoz vezethet a kataliz\u00e1tor\u00e1gyban, ami megnehez\u00edti a reakci\u00f3 h\u0151kezel\u00e9s\u00e9t. Ez forr\u00f3 pontok kialakul\u00e1s\u00e1hoz \u00e9s a reakci\u00f3h\u0151m\u00e9rs\u00e9klet szab\u00e1lyoz\u00e1s\u00e1val kapcsolatos probl\u00e9m\u00e1khoz vezethet.<\/p>\n

Nem minden helyzet azonban alkalmatlan a por alak\u00fa kataliz\u00e1torok haszn\u00e1lat\u00e1ra. Bizonyos speci\u00e1lis reakci\u00f3k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a por alak\u00fa kataliz\u00e1torok m\u00e9g mindig megfelel\u0151 v\u00e1laszt\u00e1snak bizonyulhatnak. A megfelel\u0151 kataliz\u00e1torforma kiv\u00e1laszt\u00e1sa a reakci\u00f3 konkr\u00e9t t\u00edpus\u00e1t\u00f3l, a reakci\u00f3 k\u00f6r\u00fclm\u00e9nyeit\u0151l, valamint a reakci\u00f3sebess\u00e9gre, szelektivit\u00e1sra \u00e9s anyag\u00e1tvitelre vonatkoz\u00f3 k\u00f6vetelm\u00e9nyekt\u0151l f\u00fcgg. A gyakorlatban a vegy\u00e9szm\u00e9rn\u00f6k\u00f6k a fenti t\u00e9nyez\u0151ket veszik figyelembe a legmegfelel\u0151bb kataliz\u00e1torforma kiv\u00e1laszt\u00e1s\u00e1hoz.<\/p>","protected":false},"excerpt":{"rendered":"

K\u00e9miaiN\u00e9v: 2,5-furandikarbonsav<\/p>\n

CAS-sz\u00e1m: 3238-40-2<\/p>\n

Molekul\u00e1ris k\u00e9plet: C6H4O5<\/p>\n

Molekulat\u00f6meg: 156,09<\/p>\n

Molekulaszerkezet:\"CAS<\/p>\n

Megjelen\u00e9s: Feh\u00e9r por<\/p>\n

S\u0171r\u0171s\u00e9g: 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\/hu\/product\/fdca-cas-3238-40-2\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\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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