1. Menene sunan hydroxypropyl methylcellulose?
——Amsa: Hydroxypropyl Methyl Cellulose, Turanci: Hydroxypropyl Methyl Cellulose Taƙaitaccen Bayani: HPMC ko MHPC Lakabi: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
2. Menene babban amfani da hydroxypropyl methylcellulose (HPMC)?
——Amsa: Ana amfani da HPMC sosai a fannin kayan gini, shafa, resin roba, yumbu, magani, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa matakin gini, matakin abinci da kuma matakin magunguna bisa ga manufar. A halin yanzu, yawancin kayayyakin gida suna da matakin gini. A fannin gini, ana amfani da foda putty sosai, kusan kashi 90% ana amfani da shi don foda putty, sauran kuma ana amfani da shi don turmi da manne na siminti.
3. Akwai nau'ikan hydroxypropyl methylcellulose (HPMC) da dama, kuma menene bambance-bambancen amfani da su?
——Amsa: Ana iya raba HPMC zuwa nau'in nan take da nau'in narkewa mai zafi. Samfuran nan take suna watsuwa da sauri a cikin ruwan sanyi kuma suna ɓacewa cikin ruwa. A wannan lokacin, ruwan ba shi da ɗanɗano saboda HPMC yana warwatse ne kawai a cikin ruwa ba tare da narkewa na gaske ba. Kimanin mintuna 2, ɗanɗano na ruwan yana ƙaruwa a hankali, yana samar da colloid mai haske. Samfuran mai zafi, idan aka haɗu da ruwan sanyi, suna iya watsuwa da sauri a cikin ruwan zafi kuma suna ɓacewa a cikin ruwan zafi. Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, ɗanɗano zai bayyana a hankali har sai ya samar da colloid mai haske. Ana iya amfani da nau'in mai zafi-narkewa ne kawai a cikin foda da turmi. A cikin manne da fenti na ruwa, za a sami wani abu na rukuni kuma ba za a iya amfani da shi ba. Nau'in nan take yana da fa'idodi da yawa. Ana iya amfani da shi a cikin foda da turmi na putty, da kuma manne da fenti na ruwa, ba tare da wani dalili ba.
4. Yadda ake zaɓar hydroxypropyl methylcellulose (HPMC) mai dacewa don dalilai daban-daban?
——Amsa::Amfani da foda mai tsami: Bukatun ba su da yawa, kuma dankowa 100,000 ne, wanda ya isa. Abu mafi mahimmanci shine a kiyaye ruwa da kyau. Amfani da turmi: buƙatu mafi girma, dankowa mai yawa, 150,000 ya fi kyau. Amfani da manne: ana buƙatar samfuran nan take masu dankowa mai yawa.
5. Me ya kamata a kula da shi wajen aiwatar da alaƙar da ke tsakanin ɗanko da zafin jiki na HPMC?
——Amsa: Danko na HPMC yana daidai da zafin jiki, wato, danko yana ƙaruwa yayin da zafin jiki ke raguwa. Danko na samfurin da muke yawan magana a kai yana nufin sakamakon gwajin maganin ruwansa na kashi 2% a zafin digiri 20 na Celsius.
A aikace-aikace na zahiri, ya kamata a lura cewa a yankunan da ke da babban bambancin zafin jiki tsakanin lokacin rani da hunturu, ana ba da shawarar a yi amfani da ƙarancin ɗanko a lokacin hunturu, wanda ya fi dacewa da gini. In ba haka ba, idan zafin ya yi ƙasa, ɗanko na cellulose zai ƙaru, kuma jin hannun zai yi nauyi lokacin gogewa.
Matsakaicin danko: 75000-100000 galibi ana amfani da shi don putty
Dalili: Mai kyau riƙe ruwa
Babban danko: 150000-200000 Ana amfani da shi sosai don rufin zafi na barbashi na polystyrene foda na roba da turmi mai rufi na microbead mai haske.
Dalili: Danko yana da yawa, turmi ba shi da sauƙin faɗuwa, ya yi ja, kuma an inganta ginin.
6. HPMC wani sinadari ne na cellulose wanda ba ionic ba, to menene ba ionic ba?
——Amsa: A taƙaice, abubuwan da ba ion ba ne, sinadarai ne da ba sa yin ion a cikin ruwa. Ionization yana nufin tsarin da ake raba electrolyte zuwa ions masu caji waɗanda za su iya motsawa cikin 'yanci a cikin wani takamaiman sinadarin sinadarai (kamar ruwa, barasa). Misali, sodium chloride (NaCl), gishirin da muke ci kowace rana, yana narkewa a cikin ruwa kuma yana yin ionize don samar da ions masu motsi kyauta (Na+) waɗanda ke da caji mai kyau da ions masu chloride (Cl) waɗanda ke da caji mara kyau. Wato, lokacin da aka sanya HPMC a cikin ruwa, ba zai rabu zuwa ions masu caji ba, amma yana wanzuwa a cikin nau'in ƙwayoyin halitta.
Lokacin Saƙo: Afrilu-26-2023