Riƙewar ruwa nacellulose ethers
Riƙewar ruwa na turmi yana nufin ikon turmi don riƙewa da kulle danshi. Mafi girman danko na ether cellulose, mafi kyawun riƙewar ruwa. Domin tsarin cellulose ya ƙunshi hydroxyl da ether bonds, oxygen atom akan hydroxyl da ether bond group yana haɗuwa da kwayoyin ruwa don samar da haɗin gwiwar hydrogen, ta yadda ruwan kyauta ya zama ruwan da aka daure kuma yana iska da ruwa, don haka yana taka rawar ruwa. riƙewa.
Solubility nacellulose ether
1. The m cellulose ether da sauƙi tarwatsa a cikin ruwa ba tare da agglomeration, amma rushe kudi ne sosai jinkirin.Cellulose ethersƙasa da raga 60 ana narkar da su cikin ruwa na kimanin mintuna 60.
2. Fine barbashi na cellulose ether suna sauƙi tarwatsa a cikin ruwa ba tare da agglomeration, da kuma rushe kudi ne matsakaici. Fiye da raga 80cellulose etherana narkar da shi cikin ruwa na kimanin mintuna 3.
3. Ultra-fine cellulose ether yana watsawa da sauri cikin ruwa, ya narke da sauri, kuma ya samar da danko mai sauri. Fiye da raga 120cellulose etherana narkar da shi cikin ruwa na kimanin dakika 10-30.
Mafi kyawun barbashi na ether cellulose, mafi kyawun riƙewar ruwa. A saman mCellulose Ether HEMCnarke nan da nan bayan lamba tare da ruwa da kuma samar da wani gel sabon abu. Manne yana nannade kayan don hana ƙwayoyin ruwa ci gaba da shiga, kuma wani lokacin ba za a iya tarwatsa su daidai da narkar da su ba bayan lokaci mai tsawo na tashin hankali, suna samar da wani bayani mai turbidized flocculent ko caking. Ƙaƙƙarfan ƙwayoyin cuta nan da nan suka watse kuma su narke cikin hulɗa da ruwa don samar da ɗanko iri ɗaya.
Aeration na cellulose ether
Aeration na cellulose ether ne yafi saboda cellulose ether shi ma wani nau'i ne na surfactant, da kuma interfacial aiki na cellulose ether yafi faruwa a gas-ruwa-m dubawa, da farko ta gabatar da kumfa, bi da watsawa da wetting. Ethers cellulose sun ƙunshi ƙungiyoyin alkyl, wanda ke rage yawan tashin hankali da kuma ƙarfin tsaka-tsakin ruwa na ruwa, yana yin maganin ruwa mai sauƙi don samar da ƙananan ƙananan kumfa a lokacin tashin hankali.
Gelatinicity na cellulose ethers
Bayan an narkar da ether na cellulose a cikin turmi, ƙungiyar methoxy da ƙungiyar hydroxypropyl a kan sarkar kwayoyin za su yi hulɗa tare da alli da ions aluminum a cikin slurry don samar da gel mai danko kuma ya cika ɓangarorin simintin siminti, inganta haɓakar ƙwayar cuta. turmi da kuma taka rawar sassauƙan cikawa da ƙarfafawa. Duk da haka, lokacin da aka danna matrix na haɗin gwiwa, polymer ba zai iya taka rawar goyan baya ba, don haka ƙarfin da matsi na nadawa rabo na turmi yana raguwa.
Film kafa Properties na cellulose ether
An kafa fim ɗin latex na bakin ciki tsakanin ether cellulose da siminti bayan hydration, wanda ke da tasirin rufewa kuma yana inganta bushewar turmi. Saboda kyakkyawar riƙewar ruwa na cellulose ether, ana adana isassun ƙwayoyin ruwa a cikin cikin turmi, don tabbatar da hydration da hardening na siminti da cikakken haɓakar ƙarfi, inganta ƙarfin haɗin gwiwa na turmi, da kuma inganta haɓakar ƙwanƙwasa. haɗin kai na turmi, ta yadda turmi ya kasance mai kyau na filastik da sassauci, da kuma rage raguwar nakasar turmi.
Lokacin aikawa: Maris 12-2024