Hydroxyethyl cellulose (HEC) waa huruud cad ama khafiif ah, aan ur lahayn, aan sun ahayn oo adag oo ah fibrous ama budo ah oo lagu diyaariyo etherification of alkaline cellulose iyo ethylene oxide (ama chlorohydrin). Cellulose ethers milmi kara oo aan ionic ahayn. Sababtoo ah HEC waxay leedahay sifooyin wanaagsan oo ah dhumuc, sudh, kala firdhi, emulsifying, isku xidhid, sameynta filimada, ilaalinta qoyaanka iyo bixinta colloids ilaalin ah, waxaa si weyn loogu isticmaalay sahaminta saliidda, dahaarka, dhismaha, daawada iyo cuntada, dharka, sameynta waraaqaha iyo polymers. Polymerization iyo beeraha kale. Hydroxyethyl cellulose waa mid aan degganayn heerkulka caadiga ah iyo cadaadiska, isagoo ka fogaanaya qoyaanka, kulaylka, iyo heerkulka sare, wuxuuna leeyahay milmi milix oo aad u wanaagsan oo loogu talagalay dielectrics. Xalkeeda biyaha waxaa loo oggol yahay inuu ku jiro cufnaan badan oo milix ah waana mid deggan.
Tilmaamaha
Ku biir si toos ah wax soo saarka
1. Biyo nadiif ah ku dar baaldi weyn oo lagu qalabeeyay qalab shiidid sare leh.
2. Bilow inaad si joogto ah u walaaqdo xawaare hoose oo si tartiib ah ugu shaandhee hydroxyethyl cellulose xalka si siman.
3. Sii wad walaaqidda ilaa dhammaan walxaha ay qooyaan.
4. Kadibna ku dar walxaha antifungal-ka, waxyaabaha lagu daro alkaline sida midabada, qalabka lagu kala firdhiyo, biyaha ammonia.
5. Walaaq ilaa dhammaan hydroxyethyl cellulose ay gebi ahaanba milmaan (dhegxaanta xalka ayaa si weyn u kordheysa) ka hor inta aadan ku darin qaybaha kale ee qaacidada, oo shiidi ilaa badeecada dhammaatay.
Waxaa ku qalabaysan khamriga hooyada
Habkani waa in marka hore la diyaariyo khamri hooyo oo leh xoog badan, ka dibna lagu daro rinjiga latex. Faa'iidada habkani waa inuu leeyahay dabacsanaan badan oo si toos ah loogu dari karo rinjiga la dhammeeyay, laakiin waa in si habboon loo kaydiyaa. Tallaabooyinku waxay la mid yihiin tallaabooyinka 1-4 ee habka 1, marka laga reebo in walaaq badan aan loo baahnayn si gebi ahaanba loogu milmo xal dareere ah.
Ka taxaddar isticmaal
Maadaama hydroxyethyl cellulose-ka dusha sare lagu daweeyay uu yahay budo ama cellulose adag, way fududahay in la maareeyo oo lagu milmo biyaha ilaa inta arrimaha soo socda la xuso.
1. Kahor iyo ka dib marka lagu daro hydroxyethyl cellulose, waa in si joogto ah loo walaaqaa ilaa xalka uu noqdo mid gebi ahaanba hufan oo cad.
2. Waa in si tartiib ah loogu shaandheeyaa foostada isku darka. Ha ku darin hydroxyethyl cellulose-ka loo sameeyay burooyin ama kubbado si toos ah foostada isku darka tiro badan ama si toos ah.
3. Heerkulka biyaha iyo qiimaha pH ee biyuhu waxay xiriir muhiim ah la leeyihiin kala dirista hydroxyethyl cellulose, sidaa darteed waa in fiiro gaar ah loo yeesho.
4. Weligaa ha ku darin walxo alkaline ah isku darka ka hor inta aan budada hydroxyethyl cellulose lagu diirin biyo. Kordhinta qiimaha PH ka dib diirimaadka ayaa waxtar u leh milmida.
5. Inta ugu macquulsan, ku dar wakiilka antifungal sida ugu dhakhsaha badan.
6. Marka la isticmaalayo hydroxyethyl cellulose oo leh viscosity sare, heerka khamriga hooyada waa inaanu ka badnayn 2.5-3%, haddii kale khamriga hooyada way adag tahay in la shaqeeyo. hydroxyethyl cellulose-ka la daweeyay ka dib guud ahaan ma fududa in la sameeyo buro ama goobo wareegsan, mana samayn doono colloids wareegsan oo aan milmi karin ka dib marka lagu daro biyo.
Waqtiga boostada: Noofambar-11-2022