1. Menene sunan farko na hydroxypropyl methylcellulose?
——Amsa: Hydroxypropyl Methyl Cellulose, Turanci: Hydroxypropyl Methyl Cellulose gajarta: HPMC ko MHPC Alias: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
2. Menene babban aikace-aikacen hydroxypropyl methylcellulose (HPMC)?
——Amsa: Ana amfani da HPMC da yawa a cikin kayan gini, sutura, resins na roba, yumbu, magunguna, abinci, masaku, noma, kayan kwalliya, taba da sauran masana’antu. Ana iya raba HPMC zuwa matakin gini, darajar abinci da kuma darajar magunguna bisa ga manufar. A halin yanzu, yawancin samfuran cikin gida sune darajar gini. A cikin aikin gine-gine, ana amfani da foda mai yawa da yawa, kimanin kashi 90% ana amfani da foda, sauran kuma ana amfani da turmi da manne.
3. Akwai nau'ikan hydroxypropyl methylcellulose (HPMC), kuma menene bambance-bambancen amfaninsu?
——Amsa: Ana iya raba HPMC zuwa nau'in nan take da nau'in rushewar zafi. Nau'in samfuran nan take suna watse da sauri cikin ruwan sanyi kuma su ɓace cikin ruwa. A wannan lokacin, ruwan ba shi da danko saboda HPMC kawai ana tarwatsewa cikin ruwa ba tare da narkar da gaske ba. Kusan mintuna 2, dankowar ruwa a hankali yana ƙaruwa, yana samar da colloid mai haske. Abubuwan da aka narke mai zafi, lokacin da aka sadu da ruwan sanyi, suna iya watse da sauri cikin ruwan zafi kuma su ɓace cikin ruwan zafi. Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, danƙon zai bayyana a hankali har sai ya zama colloid mai haske. Za a iya amfani da nau'in zafi mai zafi a cikin foda da turmi kawai. A cikin manne ruwa da fenti, za a sami al'amuran tarukan kuma ba za a iya amfani da su ba. Nau'in nan take yana da fa'idar aikace-aikace. Ana iya amfani dashi a cikin foda da turmi, da manne ruwa da fenti, ba tare da wani contraindications ba.
4. Yadda za a zabi mai dacewa hydroxypropyl methylcellulose (HPMC) don dalilai daban-daban?
——Amsa:: Aikace-aikacen foda: Abubuwan da ake buƙata sun yi ƙasa kaɗan, kuma danko shine 100,000, wanda ya isa. Muhimmin abu shine kiyaye ruwa da kyau. Aikace-aikace na turmi: mafi girma bukatun, high danko, 150,000 ne mafi alhẽri. Aikace-aikacen manne: ana buƙatar samfuran nan take tare da babban danko.
5. Menene ya kamata a kula da shi a cikin ainihin aikace-aikacen dangantaka tsakanin danko da zafin jiki na HPMC?
——Amsa: Dankin HPMC ya bambanta da yanayin zafi, wato, danko yana ƙaruwa yayin da zafin jiki ya ragu. Dankowar samfurin da muke magana akai yana nufin sakamakon gwajin 2% na maganin ruwa a zazzabi na digiri 20 na ma'aunin celcius.
A cikin aikace-aikace masu amfani, ya kamata a lura cewa a cikin yankunan da ke da manyan bambance-bambancen zafin jiki tsakanin rani da hunturu, ana bada shawarar yin amfani da ƙananan danko a cikin hunturu, wanda ya fi dacewa don ginawa. In ba haka ba, lokacin da zafin jiki ya yi ƙasa, danko na cellulose zai karu, kuma jin daɗin hannun zai yi nauyi lokacin da ake gogewa.
Matsakaici danko: 75000-100000 galibi ana amfani dashi don putty
Dalili: kyakkyawan tanadin ruwa
Babban danko: 150000-200000 An fi amfani dashi don polystyrene barbashi thermal insulation turmi roba foda da vitrified microbead thermal insulation turmi.
Dalili: Danko yana da girma, turmi ba shi da sauƙi ya fadi, sag, kuma an inganta ginin.
6. HPMC shine ether cellulose maras ionic, don haka menene ba ionic ba?
——Amsa: A ma’anar ɗan adam, waɗanda ba ions ba su ne abubuwan da ba sa ion a cikin ruwa. Ionization yana nufin tsarin da ake rarraba electrolyte zuwa ions da aka caje wanda zai iya motsawa cikin yardar kaina a cikin wani ƙayyadadden ƙarfi (kamar ruwa, barasa). Misali, sodium chloride (NaCl), gishirin da muke ci kowace rana, yana narkar da ruwa da ionizes don samar da ions sodium ions (Na+) masu motsi da yardar rai da kuma chloride ions (Cl) waɗanda aka caje su. Wato lokacin da aka sanya HPMC a cikin ruwa, ba zai rabu da ions da aka caje ba, amma ya kasance a cikin nau'in kwayoyin halitta.
Lokacin aikawa: Afrilu-26-2023