Ana samun dukkan kayayyakin bitamin daga ɓangaren litattafan auduga na halitta ko ɓangaren litattafan itace, waɗanda ake samarwa ta hanyar etherification. Kayayyakin cellulose daban-daban suna amfani da sinadaran etherifying daban-daban. Maganin etherifying da ake amfani da shi a cikin hydroxyethyl cellulose (HEC) shine ethylene oxide, kuma maganin etherifying da ake amfani da shi a cikin hydroxypropyl methylcellulose (HPMC) wasu nau'ikan sinadaran etherifying ne. (chloromethane da propylene oxide).
A cikin fenti na szone na gaske da fenti na latex, ana iya amfani da hydroxyethyl cellulose azaman mai kauri.
Fentin dutse na gaske yana da sauƙin narkewa saboda yawan tarinsa da kuma babban takamaimansa. Ya zama dole a ƙara mai kauri don ƙara ɗanɗanonsa don biyan ɗanɗano da ake buƙata don feshi yayin gini, inganta kwanciyar hankali na ajiyarsa, da kuma samun wani ƙarfi.
Idan kana son fenti na dutse na gaske ya sami ƙarfi mai kyau, juriyar ruwa mai kyau da juriyar yanayi, zaɓin kayan da aka yi amfani da su da kuma ƙirar dabarar suna da matuƙar muhimmanci.
A ƙarƙashin yanayi na al'ada, adadin emulsion da ake amfani da shi a cikin fenti na dutse mai inganci zai yi yawa sosai.
Misali, a cikin tan na fenti na dutse na gaske, za a iya samun kilogiram 300 na tsantsar sinadarin acrylic da kilogiram 650 na yashi mai launi na halitta. Idan sinadarin da ke cikin sinadarin ya kasance kashi 50%, girman sinadarin emulsion na kilogiram 300 bayan bushewa ya kai kimanin lita 150, kuma girman yashi na kilogiram 650 ya kai kimanin lita 228. Wato, PVC (ƙarfin sinadarin pigment) na ainihin fentin dutse ya kai kashi 60% a wannan lokacin, saboda ƙwayoyin yashi masu launi suna da girma kuma ba su da tsari, kuma a ƙarƙashin wani yanki na rarrabawar girman ƙwayoyin, fentin dutse na gaske da aka busar na iya kasancewa a cikin CPVC (ƙarfin sinadarin taro mai mahimmanci). Ƙimar girman ƙwayoyin) kimanin. Dangane da mai kauri, idan ka zaɓi cellulose mai ɗanko mai dacewa, ainihin fentin dutse na iya samar da cikakken fim ɗin fenti mai kauri don biyan manyan buƙatun aiki guda uku na ainihin fentin dutse. Idan abun da ke cikin ainihin emulsion ɗin fenti na dutse ya yi ƙasa, ana ba da shawarar amfani da cellulose mai ɗanko mai yawa azaman mai kauri (kamar 100,000 danko), musamman bayan farashin cellulose ya ƙaru, wanda zai iya rage adadin cellulose da ake amfani da shi kuma ya sa ainihin dutsen ya yi aiki. Aikin fenti ya fi kyau.
Wasu masana'antun fenti na dutse na gaske masu araha suna amfani da hydroxypropyl methylcellulose maimakon hydroxyethyl cellulose don farashi da sauran dalilai.
Idan aka kwatanta da nau'ikan cellulose guda biyu, hydroxyethyl cellulose yana da ingantaccen riƙe ruwa, ba zai rasa riƙe ruwa ba saboda gelatin a yanayin zafi mai yawa, kuma yana da wasu juriya ga mildew. Don la'akari da aiki, ana ba da shawarar amfani da hydroxyethyl cellulose mai ɗanko na 100,000 a matsayin mai kauri don fenti na dutse na gaske.
Lokacin Saƙo: Afrilu-28-2023