I. Mawu
Hydroxyethyl cellulose (Hec) ndi polymer polymer yopanda inic yomwe imagwiritsidwa ntchito kwambiri mu eyakiya mafuta, zokutira, kapangidwe kake ndi mankhwala tsiku lililonse. Hec amapezeka ndi kusintha kwa mankhwala a cellulose, ndipo kugwiritsa ntchito kwake ndikugwiritsa ntchito kumatsimikiziridwa ndi hydroxyethyl magantimoni m'malo mwa mamolekyulu a cellulose.
Ii. Njira Zopangira
Kupanga kwa hec makamaka kumaphatikizapo njira zotsatirazi: cellulose zolimbitsa, kuchapa, kuyanika ndi kupera ndikupera. Zotsatirazi ndi mawu atsatanetsatane a sitepe iliyonse:
Cellulose
Ma cellulose amathandizidwa koyamba ndi alkali kuti apange alkali cellulose (cellulose alkali). Njirayi imagwiritsidwa ntchito mu riyactor, pogwiritsa ntchito sodium hydroxide njira yochitira cellulose ya alkali kuti ipange cellulose. Mankhwalawa ali motere:
Selo -Neh → cell-o-h2ocell-oh + e-i-h 2O
Kenako, alkali cellulose amakumana ndi ethylene oxide kupanga hydroththyl cellulose. Zomwe zimachitika zimachitika kwambiri, nthawi zambiri 30-100 ° C, ndipo zomwe zikuchitikazi ndizotere:
Cell-Na-Na + Chch2o → cell-o-chychtohcell-o-nah wa 2o → ch-ch 2oh
Izi zimafuna kutentha kwa kutentha, kukakamizidwa ndi kuchuluka kwa ethylene oxide kuwonjezera kuti awonetsetse kuti pali kufanana ndi mtundu.
Kuchapa
Zotsatira za kununkhira nthawi zambiri zimakhala ndi alkali, ethylene oxide ndi zina zopangidwa ndi zinthu zambiri, zomwe zimafunikira kuchotsedwa ndi kusamba kwamadzi ambiri kapena zotupa zamadzi. Madzi ambiri amafunikira panthawi yotsuka madzi, ndipo madzi osungunuka atatha kusamba kuthandizidwa ndikutulutsidwa.
Dazi
The fit yonyowa pambuyo poti asambirane ndi madzi, nthawi zambiri ndi mpweya wa vacuum kapena kupatukana kwa centrifigal kuti muchepetse chinyezi.
Kuima
Msuzi wodetsedwa umawuma, nthawi zambiri ndi kupukuta kapena kuyanika. Kutentha ndi nthawi ikuyenera kulamulidwa mosamalitsa pakuwuka njira yopewa kuwonongeka kwa kutentha kapena kuphatikizika.
Pogalu
Chingwe chowuma chimayenera kukhala pansi ndikuyika cholumikizidwa kuti chikwaniritse gawo lalikulu la tinthu tambiri, ndipo pamapeto pake amapanga ufa kapena granular.
Iii. Makhalidwe Akugwirira Ntchito
Madzi osungunuka
Hec ali ndi madzi osungunuka madzi ndipo amatha kusungunuka mwachangu mu madzi ozizira komanso otentha kuti apange njira yowonekera kapena yosinthira. Katunduyu amapangitsa kuti ikhale yogwiritsidwa ntchito kwambiri ngati thickir ndi okhazikika pamaziko ndi zinthu zamankhwala tsiku lililonse.
Kukula
Hec akuwonetsa kukula kwamphamvu kwambiri mu njira yothetsera matenda am'madzi, ndipo mafano ake amawonjezeka ndi kuchuluka kwa kuchuluka kwa ma celecular. Katunduyu amathandizira kuti azikhala ndi gawo poti, Kusungidwa kwamadzi ndikuwongolera magwiridwe antchito mumachifutidwe ozikidwa m'madzi ndikupanga matope.
Chipolopolo
Nyimbo yothetsera hec yothetseratu imakhala ndi zinthu zina mwapadera zanyengo, ndipo chidwi chake chimasintha ndikusintha kwa Bear, kuwonetsa kuchepera kukameta ubweya kapena pseudophity. Katunduyu amathandiza kuti asinthe madzi ndi zomangamanga pakubala ndi mafuta amadzimadzi amadzimadzi.
Emulsization ndi kuyimitsidwa
Hec ali ndi emulsization yabwino ndi kuyimitsidwa katundu, yomwe imatha kukhazikika pa tinthu tating'onoting'ono kapena mavule mu starles mu scurper system kuti muchepetse stratization ndi stonetion. Chifukwa chake, hec nthawi zambiri imagwiritsidwa ntchito muzogulitsa monga emulsion zokumba ndi zoyimika za mankhwala.
Biodegradiity
Hec ndi cellulose yachilengedwe yochokera ku biodegradiity yabwino, osayipitsa chilengedwe, ndikukwaniritsa zofuna za chilengedwe.
Iv. Magawo ogwiritsira ntchito
Zopindulitsa
M'mabala ozikidwa m'madzi, hec imagwiritsidwa ntchito ngati thicker ndi stebilizer kukonzanso madzi, kugwiritsa ntchito magwiridwe antchito ndi zida zovomerezeka.
Kumanga
Pomanga zida, Hec amagwiritsidwa ntchito m'matope a simenti ndi ufa wa putty kuti apititse patsogolo magwiridwe antchito ndi kusungidwa kwamadzi.
Mankhwala tsiku lililonse
M'malo otetezedwa, shampoos, ndi mano, hec imagwiritsidwa ntchito ngati thickiser ndi stebilizer kusintha malingaliro ndi kukhazikika kwa malonda.
Mafuta a mafuta
Mu mafuta a mafuta obowola komanso kuwonongeka kwamadzimadzi owombera, hec imagwiritsidwa ntchito kusintha zomwe zimapangitsa kuti zisungunuke ndi kuyimitsidwa katundu zamadzimadzi obowola ndikusintha mabowo ndi chitetezo.
Mapepala
Munjira yopanga mapepala, Hec imagwiritsidwa ntchito kuwongolera madzi ampumu ndikusintha matchulidwe ndi mawonekedwe a pepala.
Hydroxyethyl cellulose (hec) amagwiritsidwa ntchito kwambiri m'minda yambiri ya mafakitale chifukwa cha kusungunuka kwamadzi abwino kwambiri, kuthira, zopanda pake ndikuyimitsidwa ndikuyimitsidwa, komanso kuthira bwino. Zopanga zake zopanga ndizokhwima. Kudzera pamasitepe a ma cellulose okwanira, kuchapa, kuchepa thupi, kuyanika ndi kupera, zinthu zabwino zimatha kukonzekera. M'tsogolomu, pokonzanso zachilengedwe zofunika kuteteza komanso kupita patsogolo kwa ukadaulo, mwayi wogwiritsa ntchito Hec udzakhala wowonjezera.
Post Nthawi: Jul-02-2024