Kusungunula cellulose eders kungakhale njira yovuta chifukwa cha kapangidwe kake ka mankhwala ndi katundu. Cellulose edirs ndi osungunuka madzi osungunuka madzi kuchokera ku cellulose, polysacchabide wachilengedwe wopezeka mu makhola a cell. Amagwiritsidwa ntchito kwambiri m'mafashoni osiyanasiyana monga mankhwala opangira mankhwala, chakudya, zolembedwa, ndi zomanga chifukwa cha mawonekedwe awo abwino, ndikumangiriza, komanso kukhazikitsa malo.
1. Kumvetsetsa ma celluse etrase:
Cellulose ndi zochokera ku cellulose, komwe magulu a hydroxyl amakhala pang'ono kapena amalowetsedwa kwathunthu ndi ma ether. Mitundu yodziwika kwambiri imakhala methyl cellulose (Mc), hydroxypropyl cellulose (HPC), hydroxethyl cellulose (ma cmc). Mtundu uliwonse umakhala ndi gawo lapadera kutengera digiri komanso mtundu wa zolowa m'malo.
2. Zinthu zomwe zikukhudza kusungunuka:
Pali zinthu zingapo zimapangitsa kusungunuka kwa cellulose kukhala ndi:
Ma digiri ya zolowa m'malo mwake: DS) nthawi zambiri amasintha kusungunuka chifukwa zimachulukitsa hydrophilicity wa polymer of the Polymer of the Polymer of the Polymer.
Kulemera kwa maselo: Kulemera kwambiri kwa cellulose yolemera eya kungafune nthawi kapena mphamvu yosungunuka.
Zosungunulira: Mafuta okhala ndi polarity yayikulu ndi kuphatikizika kwa hydrogen, monga madzi ndi polar ortic, nthawi zambiri amakhala othandiza kusintha cellulose etralose etralose.
Kutentha: Kutentha kwambiri kumatha kukulitsa kusungunuka powonjezera mamolekyulu a mamolekyulu.
Kusokonezeka: Makina ogwiritsira ntchito kumatha kuthandiza kuwonongeka pakati pa zosungunulira ndi polymer.
PH: Kwa cellulose etrase ngati cmc, pH imatha kusokoneza kwambiri mosungunuka chifukwa cha magulu ake a carboxymethyl.
3. Mapeto osungunuka:
Madzi: cellulose yambiri imasungunuka mosavuta m'madzi, ndikupangitsa kuti ikhale yosungunuka pamapulogalamu ambiri.
Mowa: Mowal
Ordontic solf: Dimethyl Sulfoxide (DMSO), Dimethylfermamide (DMF), ndi N-ndi N -th) nthawi zambiri amagwiritsidwa ntchito pazinthu zapadera pomwe kusungunuka kwakukulu ndikofunikira.
4. Kupha Maluso:
Zosavuta Zosavuta: Zogwiritsa ntchito zambiri, kungoyambitsa cellulose etrars m'malo oyenerera ndikokwanira kuti zisungunuke. Komabe, nthawi zambiri kutentha komanso nthawi yayitali zolimbikitsa zitha kukhala zofunikira kuti zitheke.
Kutentha: Kutenthetsa zosungunulira kapena kusakaniza-polymer kumathandizira kufalikira, makamaka kwa ma cellose olemera et kapena omwe ali ndi zosungunuka m'munsi.
Ultrasonication: Akupanga Kusakamiza kumatha kukulitsa kufalikira popanga thovu lopatsirana lomwe limalimbikitsa kufalikira kwa polimatu ndikusintha kulowerera.
Kugwiritsa ntchito ma soditsidwe
5.
Kukula kwa tinthu: Mafuta owoneka bwino a cellulose amasungunuka mosavuta kuposa tinthu tambiri chifukwa chowonjezeka.
Kukonzekera kwa mayankho: Kukonzekera ma epeluuse ether njira mwanjira, monga kubalanda polymer mu solvel mu gawo la zopumirazo musanawonjezere chitsitsimutse yunifolomu.
Kusintha kwa ma cellose: kwa cellose etrars endt ph, kusintha pH ya zosungunulira kumatha kusintha kusungunuka komanso kukhazikika.
Chitetezo: Zina zosinthika zomwe zimagwiritsidwa ntchito kusungunuka cellulose et amatha kukhala ndi chiopsezo chathanzi komanso chitetezo. Mpweya wabwino komanso zida zoteteza zamunthu ziyenera kugwiritsidwa ntchito pogwiritsa ntchito ma sol sol.
6. Kuganizira mwatsatanetsatane:
Mankhwala: cellulose yokhazikika imagwiritsidwa ntchito kwambiri pamitundu yofananira yopanga mankhwala omasulidwa, kumanga, ndi kukula. Kusankha kwa njira yosungunulira ndi kusinthika kwa njira kumatengera zofunikira mwatsatanetsatane.
Chakudya: Muzakudya zamankhwala, cellulose eder zimagwiritsidwa ntchito ngati otsatsa, okhazikika, ndi mafuta osokoneza. Masamba ogwirizana ndi malamulo a chakudya ayenera kugwiritsidwa ntchito, ndipo zosinthika ziyenera kukhazikika kuti zikhale bwino.
Ntchito Zomanga: Chuma Mitundu yosinthitsa ndi kutanthauzira ndikofunikira kuti zithe kukwaniritsa ma virus komanso katundu.
7. Mayendedwe amtsogolo:
Kafukufuku muno masitepe ndi kuperekera zinthu zotsutsana ndi njira zosinthika zikuthandizirani kuti musunthe kwa ma cellulose. Zobiriwira zobiriwira, monga zakumwa zopambana za co2 ndi inic, zimapereka njira zina zochepetsera chilengedwe. Kuphatikiza apo, kupita patsogolo mu polymer ecioner ndi Nanotechchnology kungayambitse chitukuko cha cellulose kukhala ndi kusungunuka bwino ndi magwiridwe antchito.
Kutha kwa cellulose ed ndi njira yoyendetsedwa ndi zinthu zosiyanasiyana monga mawonekedwe a polymer, zosungunulira, komanso zotsutsana. Kuzindikira zinthu izi ndikusankha ma sol sol oyenerera ndizofunikira kwambiri kukwaniritsa kuwonongeka kwabwino ndikukwaniritsa ntchito ya cellulose etrasing osiyanasiyana.
Post Nthawi: Apr-10-2024