Hydroxypropyl methyl cellulose ya kasu kashi da dama, kuma menene bambancin amfaninsa?
Ana iya raba HPMC zuwa nau'ikan narke nan take da zafi. Kayayyakin nan take suna watse cikin sauri cikin ruwan sanyi kuma su ɓace cikin ruwa. A wannan lokacin, ruwan ba shi da danko, saboda HPMC kawai ana tarwatse a cikin ruwa kuma baya narke da gaske. Bayan kamar minti 2 (yana motsawa), dankon ruwan yana ƙaruwa sannu a hankali, yana samar da fararen fata mai haske. Abubuwan da ke narkewa masu zafi na iya watse cikin sauri a cikin ruwan zafi kuma su ɓace a cikin ruwan zafi lokacin da aka lalata su cikin ruwan sanyi. Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki (bisa ga zazzabi na gel na samfurin), danko yana bayyana sannu a hankali har sai an sami colloid mai haske.
Yadda za a yi hukunci da ingancin hydroxypropyl methyl cellulose a sauƙaƙe da fahimta?
Farin fata. Ko da yake fari ba zai iya tantance ko HPMC yana da sauƙin amfani ba, kuma idan an ƙara abubuwan da ake amfani da su a cikin aikin samarwa, zai shafi ingancinsa, yawancin samfurori masu kyau suna da kyaun fari.
Fineness: ingancin HPMC gabaɗaya raga 80 ne da raga 100, kuma raga 120 ya ragu. Mafi kyawun inganci, mafi kyau.
Canja wurin haske: bayan an sanya HPMC cikin ruwa don samar da colloid mai haske, duba haskensa. Mafi girman watsa haske, mafi kyau. Yana nufin cewa akwai ƙananan abubuwa marasa narkewa a ciki. Watsawa na reactor na tsaye yana da kyau gabaɗaya, kuma na ma'aunin wutar lantarki ya fi muni. Duk da haka, ba yana nufin cewa ingancin na'ura mai ba da hanya tsakanin hanyoyin sadarwa ya fi na a kwance. Akwai dalilai da yawa da ke ƙayyade ingancin samfurin.
Specific gravity: mafi girma na musamman nauyi ne, mafi nauyi da shi, mafi kyau shi ne. Gabaɗaya, saboda abun ciki na hydroxypropyl yana da yawa. Idan abun ciki na hydroxypropyl yana da girma, riƙewar ruwa ya fi kyau.
Specific gravity: mafi girma na musamman nauyi ne, mafi nauyi da shi, mafi kyau shi ne. Gabaɗaya, saboda abun ciki na hydroxypropyl yana da yawa. Idan abun ciki na hydroxypropyl yana da girma, riƙewar ruwa ya fi kyau.
Menene hanyoyin narkar da hydroxypropyl methyl cellulose?
Duk samfuran za a iya ƙara su zuwa kayan ta hanyar busassun hadawa;
Lokacin da ake buƙatar ƙarawa kai tsaye zuwa maganin ruwa a cikin zafin jiki, yana da kyau a yi amfani da nau'in watsawar ruwan sanyi. Gabaɗaya, ana iya yin kauri a cikin mintuna 10-90 bayan ƙarawa (tafiya)
Za a iya narkar da samfurori na yau da kullum bayan haɗuwa da watsawa tare da ruwan zafi, ƙara ruwan sanyi, motsawa da sanyaya;
Idan caking da wrapping faruwa a lokacin narkar da, shi ne saboda kasa hadawa ko talakawa model an kai tsaye ƙara zuwa ruwan sanyi. A wannan lokacin, ya kamata a motsa shi da sauri.
Idan an haifar da kumfa a lokacin rushewa, ana iya cire su ta hanyar tsayawa na tsawon sa'o'i 2-12 (ƙayyadaddun lokaci ya dogara da daidaito na maganin), vacuuming, pressurizing da sauran hanyoyin, ko ƙara adadin da ya dace na defoamer.
Wace rawa hydroxypropyl methyl cellulose ke takawa a cikin aikace-aikacen putty foda, kuma ko akwai sunadarai?
A cikin putty foda, yana taka rawar uku: thickening, riƙe ruwa da ginawa. Yin kauri, cellulose na iya yin kauri, yana taka rawar dakatarwa, kiyaye bayani iri ɗaya sama da ƙasa, da tsayayya da sagging. Riƙewar ruwa: sanya foda ta bushe a hankali, da kuma taimakawa alli na lemun tsami don amsawa ƙarƙashin aikin ruwa. Gina: cellulose yana da sakamako mai lubricating, wanda zai iya sa putty foda yana da kyakkyawan aiki. HPMC baya shiga cikin kowane irin daukin sinadari, amma yana taka rawa ne kawai.
Menene zafin gel na hydroxypropyl methyl cellulose mai alaƙa da?
Zazzaɓin gel na HPMC yana da alaƙa da abun ciki na methoxyl. Ƙananan abun ciki na methoxyl, mafi girman yawan zafin jiki na gel.
Shin akwai wata dangantaka tsakanin faduwa na putty foda da hydroxypropyl methyl cellulose?
Yana da mahimmanci!!! HPMC yana da ƙarancin riƙe ruwa, wanda zai haifar da asarar foda.
Aikace-aikace na hydroxypropyl methyl cellulose a cikin putty foda, menene dalilin kumfa a cikin putty foda?
HPMC tana taka rawa guda uku a cikin foda: kauri, riƙe ruwa da gini. Dalilan kumfa sune kamar haka:
Ana kara ruwa da yawa.
Idan ka goge wani Layer na ƙasa kafin ya bushe, shima yana da sauƙi ya bushe.
Lokacin aikawa: Satumba-27-2022