Kayayyakin bitamin duk an samo su ne daga ɓangarorin auduga na halitta ko ɓangaren itace, waɗanda ake samarwa ta hanyar etherification. Samfuran cellulose daban-daban suna amfani da nau'ikan etherifying daban-daban. Wakilin etherifying da aka yi amfani da shi a cikin hydroxyethyl cellulose (HEC) shine ethylene oxide, kuma wakili na etherifying da aka yi amfani da shi a cikin hydroxypropyl methylcellulose (HPMC) shine sauran nau'ikan etherifying jamiái. (chloromethane da propylene oxide).
A ainihin szone fenti da latex fenti, hydroxyethyl cellulose za a iya amfani da a matsayin thickener.
Paint na dutse na gaske yana da sauƙi don haɓakawa saboda yawan adadinsa da ƙayyadaddun ƙayyadaddun abubuwa. Wajibi ne a ƙara mai kauri don ƙara danko don saduwa da danko da ake buƙata don fesa lokacin gini, inganta kwanciyar hankali na ajiya, da samun wani ƙarfi.
Idan kuna son fenti na gaske na dutse don samun ƙarfi mai kyau, kyakkyawan juriya na ruwa da juriya na yanayi, zaɓin albarkatun ƙasa da ƙirar ƙirar suna da mahimmanci.
A karkashin yanayi na al'ada, adadin emulsion da aka yi amfani da shi a cikin babban launi na dutse mai mahimmanci zai kasance mai girma.
Alal misali, a cikin ton na ainihin dutse fenti, za a iya samun 300kg na acrylic emulsion zalla da kuma 650kg na halitta launi yashi. Lokacin da m abun ciki na emulsion ne 50%, da girma na 300kg na emulsion bayan bushewa ne game da 150 lita, da kuma girma na 650kg yashi ne game da 228 lita. Wato, PVC (pigment volume maida hankali) na ainihin dutse Paint ne 60% a wannan lokaci, saboda barbashi na launin yashi girma da kuma wanda ba daidai ba a cikin siffar, kuma a karkashin yanayin da wani barbashi size rarraba, da bushe ainihin dutse Paint na iya zama a cikin CPVC (m taro taro). Matsakaicin girman pigment) kusan. Dangane da abin da ya shafi thickener, idan kun zaɓi cellulose tare da danko mai dacewa, ainihin fenti na dutse zai iya samar da fim mai mahimmanci kuma mai yawa don saduwa da manyan abubuwan da ake bukata guda uku na ainihin dutsen fenti. Idan abun ciki na emulsion na fenti na ainihi na dutse yana da ƙasa, ana bada shawarar yin amfani da cellulose tare da danko mafi girma a matsayin mai girma (kamar 100,000 danko), musamman bayan farashin cellulose ya karu, wanda zai iya rage yawan adadin cellulose da aka yi amfani da shi kuma ya sa ainihin dutse Ayyukan fenti ya fi kyau.
Wasu masana'antun fenti na ainihi na tattalin arziki 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 mafi kyawun riƙe ruwa, ba zai rasa riƙewar ruwa ba saboda gelatin a yanayin zafi mai zafi, kuma yana da wasu juriya na mildew. Don la'akari da aikin, ana bada shawarar yin amfani da hydroxyethyl cellulose tare da danko na 100,000 a matsayin mai kauri don ainihin dutse fenti.
Lokacin aikawa: Afrilu-28-2023