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 fenti shine 60% a wannan lokacin, saboda barbashi na yashi masu launi suna da girma kuma ba su da tsari a cikin tsari, kuma a ƙarƙashin yanayin wani nau'in girman rabo, busassun yashi. ainihin fenti na dutse na iya kasancewa a cikin CPVC (mahimmancin taro mai mahimmanci). 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 ainihin dutse Paint emulsion ne low, shi bada shawarar yin amfani da cellulose tare da mafi girma danko a matsayin thickener (kamar 100,000 danko), musamman bayan farashin cellulose karuwa, wanda zai iya rage adadin cellulose amfani da kuma yin 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