Focus on Cellulose ethers

Ethyl Cellulose - EC tus neeg muag khoom

Ethyl Cellulose - EC tus neeg muag khoom

Ethyl cellulose yog dej-insoluble polymer muab los ntawm cellulose, ib tug natural biopolymer pom nyob rau hauv cov nroj tsuag cell phab ntsa. Nws yog dav siv nyob rau hauv ntau yam lag luam, xws li tshuaj, khoom noj khoom haus, thiab kev saib xyuas tus kheej, vim nws cov yam ntxwv tshwj xeeb, suav nrog solubility, muaj peev xwm ua yeeb yaj kiab, thiab tsis muaj tshuaj lom. Kab lus no yuav tham txog cov khoom, synthesis, thiab kev siv ntawm ethyl cellulose.

Cov khoom ntawm Ethyl Cellulose Ethyl cellulose yog cov khoom siv thermoplastic uas yog soluble hauv cov kuab tshuaj organic, xws li ethanol, tab sis yog insoluble hauv dej. Lub solubility ntawm ethyl cellulose tuaj yeem hloov kho los ntawm kev hloov nws qib ntawm kev hloov pauv, uas yog hais txog tus naj npawb ntawm ethyl pawg hauv ib chav tsev piam thaj hauv cellulose molecule. Ethyl cellulose nrog qib siab dua ntawm kev hloov pauv yog ntau dua soluble hauv cov kuab tshuaj organic, thaum cov uas muaj qib qis dua ntawm kev hloov pauv tsawg dua.

Ethyl cellulose paub txog nws txoj kev ua yeeb yaj kiab zoo heev thiab tuaj yeem siv los tsim cov yeeb yaj kiab zoo li qub thiab ruaj khov. Cov yeeb yaj kiab tsim cov khoom ntawm ethyl cellulose tuaj yeem txhim kho ntxiv los ntawm kev ntxiv cov yas yas, xws li dibutyl phthalate lossis triacetin, uas ua rau kom muaj zog thiab elasticity ntawm zaj duab xis. Ethyl cellulose films feem ntau siv nyob rau hauv kev lag luam kws tshuaj raws li txheej rau cov ntsiav tshuaj, tshuaj ntsiav, thiab granules.

Synthesis ntawm Ethyl Cellulose Ethyl cellulose yog synthesized los ntawm reacting cellulose nrog ethyl chloride nyob rau hauv lub xub ntiag ntawm lub hauv paus, xws li sodium hydroxide los yog poov tshuaj hydroxide. Cov tshuaj tiv thaiv muaj kev hloov pauv ntawm pawg hydroxyl hauv cellulose molecule nrog ethyl pawg, uas ua rau tsim cov ethyl cellulose. Lub degree ntawm kev hloov pauv tuaj yeem tswj tau los ntawm kev kho cov tshuaj tiv thaiv kab mob, xws li cov concentration ntawm cov reactants thiab lub sij hawm cov tshuaj tiv thaiv.

Daim ntaub ntawv ntawm Ethyl Cellulose Pharmaceuticals: Ethyl cellulose yog dav siv nyob rau hauv kev lag luam kws tshuaj vim nws zoo heev zaj duab xis-tsim muaj peev xwm thiab tsawg toxicity. Nws yog siv los ua cov khoom siv txheej rau cov ntsiav tshuaj, tshuaj ntsiav, thiab granules, uas txhim kho lawv txoj kev ruaj ntseg thiab tiv thaiv lawv los ntawm kev tawg hauv plab hnyuv. Ethyl cellulose coatings kuj tseem siv tau los tswj kev tso tawm cov tshuaj los ntawm kev hloov kho lawv qhov kev sib cais.

Khoom noj khoom haus: Ethyl cellulose yog siv los ua zaub mov ntxiv los txhim kho kev ntxhib los mos thiab ruaj khov ntawm cov khoom noj. Nws feem ntau yog siv los ua thickener, binder, thiab stabilizer hauv cov khoom noj, xws li cov kua ntses, hnav khaub ncaws, thiab cov khoom ci. Ethyl cellulose kuj tseem siv tau los ua cov txheej rau txiv hmab txiv ntoo thiab zaub kom ntev lawv lub neej txee thiab tiv thaiv kev lwj.

Kev Kho Tus Kheej: Ethyl cellulose yog siv rau hauv ntau yam khoom tu tus kheej, xws li tshuaj pleev ib ce, tshuaj zawv plaub hau, thiab tshuaj pleev ib ce, vim nws muaj peev xwm tsim cov yeeb yaj kiab thiab dej-tiv taus. Nws feem ntau yog siv los ua cov thickener thiab stabilizer hauv cov tshuaj pleev ib ce thiab tuaj yeem siv los ua cov yeeb yaj kiab tsim hauv cov tshuaj pleev plaub hau thiab cov khoom siv styling.

Lwm Daim Ntawv Thov: Ethyl cellulose yog siv rau ntau yam kev siv, xws li inks, coatings, adhesives, thiab xim. Nws feem ntau yog siv los ua ib daim ntawv khi rau hauv cov coatings thiab ua cov thickener hauv inks. Ethyl cellulose kuj tseem siv tau los ua cov dej-resistant txheej rau ntawv thiab ua cov ntawv khi rau ceramics.

Hauv cov ntsiab lus, ethyl cellulose yog dej-insoluble polymer muab los ntawm cellulose uas tau siv dav hauv ntau yam lag luam, suav nrog tshuaj, khoom noj, thiab kev saib xyuas tus kheej. Nws yog lub npe hu rau nws zoo heev zaj duab xis-tsim muaj peev xwm, tsawg toxicity, thiab dej-resistant zog, ua rau nws haum rau ntau yam kev siv.


Post lub sij hawm: Mar-19-2023
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