Ultra-yayitali ma viscrejetiveythyl cellulose (hec) ndi malo osungunuka osungunuka madzi opangidwa ndi kusinthika kwa cellulose. Chifukwa cha kukweza kwake kodabwitsa komanso kukhazikika, Hec imagwiritsidwa ntchito kwambiri m'minda monga zodzoladzola, mankhwala opanga mankhwala, zomangamanga, ndi kuchotsera mafuta.
(1), Kapangidwe ka HeC ndi njira yokonzekera
1.1
Hec ndi chonyansa cha ether omwe adapezeka chifukwa cha mankhwala achilengedwe. Cholinga chake choyambira ndi β-d-glucose, cholumikizidwa ndi β-1,4 glycosiidic. Gulu la hydroxyl (-Oh) mu cellulose limasinthidwa ndi ethylene oxide (eo) kapena othandizira ena, poyankha ethoxy (-ch2ch2oh) cydrouthyl. Ultra-yayitali hec ali ndi kulemera kwambiri, nthawi zambiri pakati pa mamiliyoni ambiri ndi makumi mamiliyoni, omwe amalola kuti awonetse mawonekedwe apamwamba kwambiri m'madzi.
1.2 Njira Yokonzekera
Kukonzekera kwa hec kumagawika pamagawo awiri: kukongoletsa kwa cellulose ndi zidziwitso.
Kudzisintha kwa Cellulose: Cellulose zachilengedwe (monga thonje, mitengo yamitengo, etc.) imathandizidwa ndi alkali kuti itambasulidwe ndi ma unyolo a cellulose kuti musinthe.
Kuzindikira Kuchita: Pansi pa mikhalidwe ya Alkalinine, cellulose yokongoletsedwa imachitika ndi ethylene oxide kapena othandizira ena kuti ayambitse magulu a hydroxyethyl. Njira yochitira izi imakhudzidwa ndi zinthu monga kutentha, nthawi, ndikumukonda kwambiri, komanso hec ndi madigirii osiyanasiyana (MS) pamapeto pake. Ultra-iven Hismy nthawi zambiri imafuna kulemera kwambiri komanso kuchuluka kwazolowa m'malo kuti muwonetsetse mawonekedwe ake m'madzi.
(2) Makhalidwe a Hec
2.1 Solubility
Hec imasungunuka m'madzi onse ozizira komanso otentha, ndikupanga njira yowonekera kapena yosinthira ma viscous. Chiwerengero chosinthika chimakhudzidwa ndi zinthu monga kulemera kwa ma celecular, kuchuluka kwa kuloweza, ndi kutentha. Ultra-yayitali ma visncren ali ndi kusungunuka pang'ono m'madzi ndipo imafunikira kulimbikitsa kwa nthawi yayitali kuti isungunuke kwathunthu.
2.2 Makutu
Maonekedwe a ufa wa Ultra-Wamtali wa Isc ndi mawonekedwe ake. Maonekedwe ake nthawi zambiri amakumana ndi anthu masauzande ambiri (a MPPI' SEVE), kutengera ndi chidwi, kutentha, komanso kuchuluka kwa yankho. Mawonekedwe a HeC samangodalira kunenepa, komanso amagwirizana kwambiri ndi kuchuluka kwa malo olowa m'malo mwake.
2.3 Kukhazikika
Hec ali ndi bata yabwino mu acid, alkalis komanso ma soric ambiri osakhazikika ndipo sawonongeka mosavuta. Kuphatikiza apo, mayankho a hec ali ndi bata yabwino yosungirako ndipo amatha kusunga mamasukidwe awo komanso mitundu ina yathupi ndi mankhwala kwa nthawi yayitali.
2.4 Kugwirizana
Hec imagwirizana ndi mankhwala osiyanasiyana, kuphatikizapo okonda, mchere ndi osungunuka madzi. Kugwirizana kwake kwabwino kumapangitsa kuti ikhalebe yokhazikika pamachitidwe ovuta kupanga.
(3) Kugwiritsa ntchito hec
3.1 zodzikongoletsera ndi zinthu zosamalira payekha
Mu zodzikongoletsera, hec imagwiritsidwa ntchito kwambiri ngati thiccener, okhazikika ndi othandizira makanema. Ultra-yayitali ma vicked hec imatha kukhudza kwambiri komanso kukhazikika kwa nthawi yayitali ndipo imagwiritsidwa ntchito popanga zinthu monga zotupa monga zotupa, shampoos, ndi zoyeserera.
3.2 mafakitale am'madzi
Monga zomata za mankhwala ophatikizika, hec nthawi zambiri imagwiritsidwa ntchito pokonza mapiritsi oletsedwa, ma gels ndi kukonzekera kwa mankhwala. Katundu wake wapamwamba wa ma viscts amatha kuwongolera kuchuluka kwa mankhwalawa ndikuwongolera bioavailability wa mankhwalawa.
3.3 Zomangamanga
Mu makampani omanga, hec imagwiritsidwa ntchito ngati yokhazikika komanso yosungira madzi simenti ndi ma gypsum. Chidwi chake chachikulu komanso kusunga madzi abwino kumathandizira kukonza magwiridwe antchito ndikupewa zida kuti zisauma komanso kusamba.
3.4 Kutulutsa Mafuta
Mu makampani opanga ma petroleum, hec amagwiritsidwa ntchito pobowola zamadzimadzi ndi kuwononga madzi ngati Thicner ndi kukoka. Ultra-yayitali ma vicked hec amatha kusintha mphamvu yoyimitsidwa ndi madzi amchenga amadzimadzi, kukonza zotsatira za kubowola ndi kuwonongeka.
(4) Zithunzi zabwino za Hec
Ndi kupita patsogolo kwa ukadaulo ndi kusintha kwa kufunika kwa msika, gawo la Hec likupitilizabe kukulitsa. Mayendedwe achitukuko amtsogolo akuphatikiza:
4.1 Kukula kwa HIC HERC
Pofuna kukhazikitsa njira zopangira ndi raw yopangira, hec yokhala ndi mafayilo apamwamba, kususuka bwino ndi kukhazikika kungapangidwire kuti akwaniritse zochitika zapamwamba.
4.2 Kuteteza zachilengedwe ndi chitukuko chokhazikika
Phunzitsani njira zokonda zachilengedwe zachilengedwe komanso zida zopangira, sinthani mphamvu ndi zinyalala pakupanga, ndikuwongolera kukhazikika kwa hec.
4.3 Kukula kwa magawo atsopano a pulogalamu
Funsani ntchito yomwe mungathetse hec m'minda ya zatsopano, makampani opanga zakudya ndi usilikali wopanga ntchito kuti agwiritse ntchito m'mafakitale ambiri.
Ultra-yayitali ma visnh ndi zinthu zoopsa polymer ndi chiyembekezo chothandiza ntchito. Makhalidwe ake apadera ndi mawonekedwe abwino amapangitsa kuti azichita mbali yofunika m'mafakitale osiyanasiyana. Ndi kupita patsogolo kwa ukadaulo ndi kukula kwa minda yofunsira, chiyembekezo cha Hec chidzakhala chowonjezera.
Post Nthawi: Feb-17-2025