Hadin Hydroxyethyl cellulose (HEC), fari ko rawaya mai haske, mara wari, mara guba, mai kama da fibrous ko foda mai ƙarfi, wanda aka shirya ta hanyar etherification na alkaline cellulose da ethylene oxide (ko chlorohydrin), mallakar nau'in cellulose ethers masu narkewa na Nonionic. Saboda HEC yana da kyawawan halaye na kauri, dakatarwa, warwatsewa, emulsifying, haɗawa, ƙirƙirar fim, kare danshi da samar da colloids masu kariya, an yi amfani da shi sosai a binciken mai, shafa, gini, magani da abinci, yadi, yin takarda da polymers. Polymerization da sauran fannoni.
Bayan hydroxyethyl cellulose ya haɗu da fenti mai tushen ruwa?
A matsayin sinadarin surfactant mara ionic, hydroxyethyl cellulose yana da waɗannan halaye ban da kauri, dakatarwa, ɗaurewa, flotation, samar da fim, warwatsewa, riƙe ruwa da kuma samar da colloids masu kariya:
HEC yana narkewa a cikin ruwan zafi ko sanyi, kuma baya zubewa a yanayin zafi mai yawa ko tafasa, wanda hakan ke sa shi yana da halaye iri-iri na narkewa da ɗanko, da kuma gelling mara zafi;
Ƙarfin riƙe ruwa ya ninka na methyl cellulose sau biyu, kuma yana da ingantaccen tsarin kwarara;
Idan aka kwatanta da methyl cellulose da aka sani da hydroxypropyl methyl cellulose, ikon watsawa na HEC shine mafi muni, amma ikon kariya na colloid shine mafi ƙarfi;
Ba shi da ionic kuma yana iya rayuwa tare da nau'ikan polymers masu narkewa cikin ruwa, surfactants, da gishiri. Yana da kyakkyawan kauri na colloidal don maganin electrolyte mai yawan taro.
Yaya ake amfani da hydroxyethyl cellulose?
Ƙara kai tsaye a lokacin samarwa - wannan hanyar ita ce mafi sauƙi kuma tana ɗaukar ɗan lokaci kaɗan:
Fara juyawa akai-akai a ƙananan gudu sannan a hankali a tace hydroxyethyl cellulose a cikin ruwan a hankali sannan a ci gaba da juyawa har sai dukkan ƙwayoyin sun jike. Sannan a ƙara abubuwan kiyayewa da ƙari iri-iri. Kamar launuka, abubuwan da ke warwatsewa, ammonia, da sauransu. A juya har sai dukkan hydroxyethyl cellulose ya narke gaba ɗaya (danko na maganin yana ƙaruwa sosai) kafin a ƙara wasu abubuwan da ke cikin dabarar don aiwatar da aikin.
An haɗa shi da ruwan inabi na uwa
Yana da kyau a fara shirya ruwan inabi mai yawan amfani da shi, sannan a ƙara shi a cikin samfurin. Amfanin wannan hanyar shine yana da sassauci sosai kuma ana iya ƙara shi kai tsaye zuwa ga samfurin da aka gama, amma dole ne a adana shi yadda ya kamata. Matakan wannan hanyar sun yi kama da yawancin matakai a cikin Hanyar 1; bambancin shine babu buƙatar mai tayar da hankali mai ƙarfi, kuma wasu masu tayar da hankali ne kawai waɗanda ke da isasshen ƙarfi don kiyaye hydroxyethyl cellulose a warwatse a cikin maganin za a iya amfani da su, kuma a ci gaba da juyawa har sai ya narke gaba ɗaya ya zama ruwan da ba shi da kyau. Duk da haka, dole ne a lura cewa dole ne a ƙara maganin antifungal a cikin ruwan inabin da wuri-wuri.
Nasihu masu kyau:
Tunda sinadarin hydroxyethyl cellulose da aka yi wa magani a saman jiki yana da ƙarfi kamar foda ko fibrous, lokacin da ake shirya ruwan 'ya'yan itace na hydroxyethyl cellulose, a tunatar da ku da ku kula da waɗannan abubuwa:
Kafin da kuma bayan ƙara hydroxyethyl cellulose, dole ne a ci gaba da juyawa har sai ruwan ya bayyana kuma ya bayyana;
Dole ne a tace shi a cikin ganga mai haɗuwa a hankali, kuma kada a haɗa lumps ko spheroids da hydroxyethyl cellulose kai tsaye cikin ganga mai haɗuwa;
Zafin ruwa da ƙimar pH na ruwan suna da alaƙa mai mahimmanci da narkar da hydroxyethyl cellulose, don haka ya kamata a ba shi kulawa ta musamman;
Kada a ƙara wasu abubuwan alkaline a cikin cakuda kafin a fara amfani da su.hydroxyethyl celluloseAna jiƙa foda da ruwa. Ƙara darajar pH bayan jiƙa zai taimaka wajen narkewa;
gwargwadon iyawa, a ƙara maganin antifungal a gaba;
Lokacin amfani da sinadarin hydroxyethyl cellulose mai yawan ɗanko, yawan ruwan da ke cikin uwar giya bai kamata ya wuce kashi 2.5-3% ba (ta nauyi), in ba haka ba ruwan da ke cikin uwar giya yana da wahalar sarrafawa.
Lokacin Saƙo: Afrilu-28-2024