Hydroxyethyl cellulose (hec) ndi polymer polymer yopanda madzi yomwe imagwiritsidwa ntchito kwambiri m'minda yamafakitale. Zimapangidwa ndi zochita zamankhwala monga kusinthidwa ndi kusinthika kwa cellulose. Imakhala ndi zinthu zapadera zathupi ndi mankhwala, zimapangitsa kuti zikhale zofunikira pakugwiritsa ntchito zambiri.
1. Kapangidwe ka mankhwala ndi kulemera kwa ma celecular
Chigawo choyambirira cha hydroxyethyl cellulose ndi ma teni ya celluuse yopangidwa ndi mamolekyu a glucose. Pamalo ena a hydroxyl a ma molecular inni, hydroxethyl (-ch2ch2oh amayambitsidwa kudzera mu chikondwerero. Chifukwa cha kukhazikitsa magulu awa, hydroxethyl cellulose ndi hydrophilic ndipo ili ndi zosungunulira bwino kuposa cellulose yoyera. Malinga ndi zofunikira zosiyanasiyana kugwiritsa ntchito, kuchuluka kwa zolowa m'malo (DS) ndi molar m'malo mwa hydroxethyl pa cellulose kumatha kusintha, pokhudza zinthu zazikulu monga kusungunuka, mafakisoni. Nthawi zambiri, kuchuluka kwa zochulukitsa kwa Hec kuli kuchuluka, kuyambira makumi masauzande kwa mamiliyoni a ma Dalton, omwe amapangitsa kuti aziwonetsa zinthu zosiyana zam'madzi.
2. Madzi osungunuka ndi kusungunuka
Chifukwa cha katundu wake wosakhala ionic, hydroxethyl cellulose imatha kusungunuka m'madzi ozizira komanso otentha kuti apange yankho lowonekera. Chiwerengero chake cha chilengedwe chimadalira kulemera kwa maselo, digiri ya zolowa m'malo ndi madzi. Mitundu yochepetsetsa ya nkhuni yochepetsetsa yosatha pang'ono koma imapanga ma viscous othetsera mavuto, pomwe kulemera kochepa kwa maselo kumasungunuka mosavuta koma kumatulutsa ma viscosies otsika. Chifukwa cha kusagwirizana ndi yankho lake, hec imalekerera bwino ndi ma ph zosintha ndi ma electrolyte ndipo amatha kusunga boma lake losungika ndi bata (2-12).
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Chimodzi mwazinthu zofunikira kwambiri za Hec ndi kuthekera kwake. Potsika kwambiri (0,5% -2%), ma hec amatha kuwonetsa kukula kwa madzi a pseudoplastic, omwe ndi othandiza pakugwiritsa ntchito ndi emulsions. Kuphatikiza apo, hec imathanso kugwiranso ntchito ndi otuwa ena monga carboxymethyl cellulose (cmc) ndi xanthan chingamu kuti musinthe zotsatira za kukula kapena kusintha rheogy.
4.. Kukhazikika komanso kugwirizana
Hec ali ndi vuto labwino la mankhwala ndipo silimakonda kuwonongeka kapena kusintha kwa mankhwala pansi pamikhalidwe yambiri. Yankho lake limatha kulekerera kuchuluka kwa ma electrolyte ma elecrolytes ndi ma ph ndi osiyanasiyana, omwe amapangitsa kuti ikhale yokhazikika m'malo osiyanasiyana. Kuphatikiza apo, hec imagwirizananso ndi mankhwala ena ambiri monga owonjezera, ma polictor, mchere, kotero nthawi zambiri umagwiritsidwa ntchito ngati dongosolo la kapangidwe kake ndikusintha zotsatira.
5. Magawo a mapulogalamu
Chifukwa cha zovuta zake zapadera, Hec yazogwiritsidwa ntchito kwambiri m'minda yambiri. Otsatirawa ndi njira zina:
Zipangizo zomangira: Zopangira zomangira, utoto, ufa wa putty, ntchenje, nyemba zakale ndi zokhazikika zolimbitsa thupi.
Kuchotsa mafuta: m'mafakitale a mafuta, hec imagwiritsidwa ntchito pokonza madzi obowola ndi madzi omaliza ngati ochepetsa matope ndikupewa bwino khoma.
Zodzikongoletsera ndi zinthu zosamalira payekha: Hec imagwiritsidwa ntchito kwambiri pazinthu za shampoo, zonona, zonona, emulsifier ndi stealc.
Makampani opanga mankhwala: Pakupanga mankhwala osokoneza bongo, Hec amagwiritsidwa ntchito ngati thandizo lopanga, kumasulidwa-kusungulumwa ndi kuyimitsa wothandizira mapiritsi kuti athandizire kuwongolera kuchuluka kwa mankhwalawa m'thupi.
Makampani Ogulitsa Chakudya: Ngakhale amagwiritsidwa ntchito zazing'onoting'ono, hic amathanso kugwiritsidwanso ntchito ngati chakudya chowonjezera kusintha ma visa ndi kukoma kwa chakudya.
6. Kuteteza zachilengedwe ndi chitetezo chachilengedwe
Hec ndi cellulose yachilengedwe yochokera ku biodegradiimasulidwe wabwino, chifukwa chake sizimakhudza chilengedwe mutatha kugwiritsa ntchito. Kuphatikiza apo, Hec amadziwika kuti ndi mankhwala otetezeka ndipo amagwiritsidwa ntchito kwambiri pazogulitsa zomwe zimakumana ndi thupi la munthu, monga zodzoladzola, mankhwala ndi chakudya. Komabe, kupanga mafakitale ndi kugwiritsa ntchito, malamulo ogwirizana ayenera kutsatiridwa kuti alepheretse kusinthana komwe kungayambike chifukwa cha kupuma kapena kwa nthawi yayitali.
7. Kusunga ndikugwiritsa ntchito njira
Volroxyethyl cellulose iyenera kusungidwa m'malo owuma komanso ozizira kuti musanyoze komanso kubuma. Mukamagwiritsa ntchito, iyenera kuwonjezeredwa pamadzi pang'onopang'ono komanso mozama kuti mupewe kuphatikizika chifukwa chowonjezera ndalama zambiri nthawi imodzi. Nthawi yomweyo, chifukwa zimatenga nthawi yambiri kusungunuka, nthawi zambiri zimakhala zofunikira kuzisiya kwakanthawi atatha kukonza zosungunulira ndi mamasukidwe okhazikika.
Chifukwa cha kusungunuka kwamadzi abwino kwambiri, kukhazikika, kukhazikika komanso kukhazikika, hydroxethyl cellulose yakhala yowonjezera mu minda yambiri yamafakitale. Ndi chitukuko mosalekeza kwa ukadaulo, ntchito ya Hec ipitilira kukulitsa, kupereka njira zabwino zothetsera mafakitale osiyanasiyana.
Post Nthawi: Feb-17-2025