Rike ruwa na hydroxypropyl methylcellulose ether
Rike ruwa na turmi mai busasshe yana nufin ikon turmi don riƙewa da kulle ruwa. Mafi girman danko na hydroxypropyl methylcellulose ether, haka nan riƙon ruwa zai fi kyau. Saboda tsarin cellulose ya ƙunshi haɗin hydroxyl da ether, ƙwayoyin oxygen da ke kan ƙungiyoyin haɗin hydroxyl da ether suna haɗuwa da ƙwayoyin ruwa don samar da haɗin hydrogen, don haka ruwa mai 'yanci ya zama ruwa da aka ɗaure kuma ya manne ruwa, don haka yana taka rawa wajen riƙe ruwa.
Narkewar Hydroxypropyl Methyl Cellulose Ether
1. Yana da sauƙin warwatsewa cikin ruwa ba tare da haɗuwa ba, amma saurin narkewa yana da jinkiri sosai. Cellulose ether da ke ƙasa da raga 60 yana narkewa a cikin ruwa na kimanin mintuna 60.
2. Yana da sauƙin warwatsewa a cikin ruwa ba tare da haɗuwa ba, kuma saurin narkewar yana da matsakaici. Cellulose ether sama da raga 80 yana narkewa a cikin ruwa na kimanin mintuna 3.
3. Cellulose ether mai ƙarancin ƙarfi yana warwatse cikin sauri a cikin ruwa, yana narkewa da sauri, kuma yana samar da ɗanko da sauri. Cellulose ether da ke sama da raga 120 yana narkewa a cikin ruwa na tsawon daƙiƙa 10-30.
Mafi ƙanƙantar ƙwayoyin hydroxypropyl methylcellulose ether, haka nan ma riƙe ruwa zai fi kyau. Saman cellulose ether mai kauri yana narkewa nan da nan bayan ya taɓa ruwa kuma ya samar da wani abu mai kama da gel. Manne yana naɗe kayan don hana ƙwayoyin ruwa ci gaba da shiga. Wani lokaci ba za a iya warwatse su gaba ɗaya ba ko da bayan an daɗe ana juyawa, suna samar da ruwan da ke ɗauke da gajimare ko haɗuwa. Ƙananan ƙwayoyin suna warwatse kuma suna narkewa nan da nan bayan sun taɓa ruwa don samar da ɗanko iri ɗaya.
Darajar PH na hydroxypropyl methylcellulose ether (tasirin raguwa ko farkon ƙarfi)
Ana sarrafa ƙimar pH na masana'antun ether na hydroxypropyl methylcellulose a gida da ƙasashen waje a kusan 7, wanda ke cikin yanayin acidic. Saboda har yanzu akwai adadi mai yawa na tsarin zoben anhydroglucose a cikin tsarin kwayoyin halitta na cellulose ether, zoben anhydroglucose shine babban rukuni wanda ke haifar da jinkirin siminti. Zoben anhydroglucose na iya yin ions na calcium a cikin maganin hydration na siminti don samar da mahaɗan kwayoyin sukari-calcium, rage yawan calcium ion a lokacin shigar da hydration na siminti, hana samuwar da hazo na calcium hydroxide da calcium gishirin lu'ulu'u, da kuma jinkirta hydration na siminti. Idan ƙimar PH tana cikin yanayin alkaline, turmi zai bayyana a cikin yanayin ƙarfi da wuri. Yanzu yawancin masana'antu suna amfani da sodium carbonate don daidaita ƙimar pH. Sodium carbonate wani nau'in wakili ne mai saurin saitawa. Sodium carbonate yana inganta aikin saman barbashi na siminti, yana haɓaka haɗin kai tsakanin barbashi, kuma yana ƙara inganta danko na turmi. A lokaci guda, sodium carbonate yana haɗuwa da sauri tare da ions na calcium a cikin turmi don haɓaka samuwar ettringite, kuma siminti yana haɗuwa da sauri. Saboda haka, ya kamata a daidaita ƙimar pH bisa ga abokan ciniki daban-daban a cikin ainihin tsarin samarwa.
Halayen Shigar da Iska na Hydroxypropyl Methyl Cellulose Ether
Tasirin shigar iska a cikin hydroxypropyl methylcellulose ether ya fi yawa saboda cellulose ether shima wani nau'in surfactant ne. Aikin haɗin gwiwa na cellulose ether galibi yana faruwa ne akan haɗin gas-liquid-solid. Da farko, gabatar da kumfa iska, sannan sai wargajewa da tasirin jikewa. Cellulose ether ya ƙunshi ƙungiyoyin alkyl, waɗanda ke rage tashin hankali a saman ruwa da kuzarin fuska na ruwa sosai, wanda hakan ke sauƙaƙa samar da ƙananan kumfa da yawa a rufe yayin aikin juyawa na maganin ruwa.
Gel Properties na Hydroxypropyl Methyl Cellulose Ether
Bayan an narkar da hydroxypropyl methylcellulose ether a cikin turmi, ƙungiyoyin methoxyl da hydroxypropyl akan sarkar kwayoyin halitta za su yi aiki tare da ions na calcium da ions na aluminum a cikin slurry don samar da gel mai laushi da kuma cike gurbin turmi na siminti., inganta ƙanƙantar turmi, suna taka rawar cikawa mai sassauƙa da ƙarfafawa. Duk da haka, lokacin da matrix ɗin haɗin gwiwa ke ƙarƙashin matsin lamba, polymer ba zai iya taka rawar tallafi mai ƙarfi ba, don haka ƙarfin da rabon naɗe turmi yana raguwa.
Samar da Fim na Hydroxypropyl Methyl Cellulose Ether
Bayan an ƙara hydroxypropyl methyl cellulose ether don samar da ruwa, sai a sami siririn fim ɗin latex tsakanin ƙwayoyin siminti. Wannan fim ɗin yana da tasirin rufewa kuma yana inganta bushewar saman turmi. Saboda ingantaccen riƙe ruwa na hydroxypropyl methylcellulose ether, ana adana isassun ƙwayoyin ruwa a cikin turmi, ta haka ne ake tabbatar da taurarewar simintin da kuma cikakken ci gaban ƙarfi, yana inganta ƙarfin haɗin turmi, kuma a lokaci guda yana inganta haɗin turmi, yana sa turmi ya sami kyakkyawan laushi da sassauci, kuma yana rage raguwa da nakasa na turmi.
Lokacin Saƙo: Mayu-23-2023