Ana samun samfuran cellulose daga ɓangaren litattafan almara na auduga na halitta ko ɓangaren itace ta hanyar etherification. Samfuran cellulose daban-daban suna amfani da nau'ikan etherifying daban-daban. Hypromellose HPMC yana amfani da wasu nau'ikan etherifying jamiái (chloroform da 1,2-epoxypropane), yayin da hydroxyethyl cellulose HEC yana amfani da Oxirane etherifying jamiái. Hydroxyethyl cellulose za a iya amfani da matsayin thickener a hakikanin dutse Paint da latex Paint. Saboda yawan jimlarsa, takamaiman nauyi, hazo, yana buƙatar ƙara wani abu mai kauri don ƙara ɗanɗanonta, don biyan buƙatun ginin feshin danko, da haɓaka kwanciyar hankali, da samun wani ƙarfi. Don samun ƙarfi mai kyau, kyakkyawan juriya na ruwa da juriya na yanayi, zaɓin albarkatun ƙasa da ƙirar ƙira yana da mahimmanci.
Gabaɗaya, adadin babban ingancin emulsion na fenti na dutse zai zama mafi girma. Misali, ton na ainihin fenti na dutse na iya ƙunsar kilogiram 300 na emulsion zalla na acrylic emulsion da kilogiram 650 na yashi mai launi na halitta. Lokacin da m abun ciki na emulsion ne 50% , da girma na 300 kg emulsion bayan bushewa ne game da 150 lita, 650 Kg na yashi ne game da 228 lita. Wato, a wannan lokacin PVC (ƙarashin ƙarar launi) na fenti na ainihi na dutse shine 60% , saboda barbashi na yashi masu launi suna da girma kuma ba daidai ba a cikin siffar, a ƙarƙashin yanayin wani nau'i na girman rabo, bayan bushewa. ainihin dutse Paint iya zama a cikin CPVC (m pigment girma taro) game da. Don thickener, idan an zaɓi danko mai kyau na cellulose, za a iya samar da cikakken cikakken fim mai yawa kuma mai yawa don saduwa da manyan buƙatun ayyuka uku na ainihin fenti na dutse. Idan abun ciki na emulsion yana da ƙasa, ana bada shawarar yin amfani da mafi girman danko na cellulose a matsayin thickener (misali 100,000 danko) , musamman ma bayan farashin cellulose ya karu, wanda zai iya rage yawan adadin cellulose da aka yi amfani da shi, kuma zai iya barin aikin. na ainihin dutse fenti mafi girma. Wasu masana'antun na ƙananan farashi na ainihi na dutse sun maye gurbin hydroxyethyl cellulose tare da hypromellose saboda farashi da sauran la'akari. Idan aka kwatanta da nau'ikan cellulose guda biyu, hydroxyethyl cellulose yana da mafi kyawun iya ɗaukar ruwa, baya rasa ƙarfin riƙe ruwa saboda gel a babban zafin jiki, kuma yana da wasu juriya na mildew. Don kare kanka, ana bada shawarar yin amfani da 100,000 danko hydroxyethyl cellulose a matsayin thickener na ainihin dutse fenti.
Lokacin aikawa: Yuli-24-2023