1. HPMC ya kasu kashi takwas da nau'in sauri watsawa.
Nau'in HPMC Rapperation na da harafin s kamar yadda. Ya kamata a ƙara glyoxal a lokacin aiwatar da samarwa.
Nau'in saurin rikitarwa ba ya ƙara kowane haruffa, kamar "100000" yana nufin "100000" Gyara HPMC ".
2. Tare da ko ba a ba, halayen sun bambanta
Cikin sauri watsawa hpmc cikin hanzari watsawa a cikin ruwan sanyi kuma ya ɓace a ruwa. Ruwan ba shi da danko a wannan lokacin saboda hpmc kawai ya tarwatsa cikin ruwa kuma ba da gaske ba. Bayan kimanin mintuna biyu, danko na ruwa a hankali yana ƙaruwa, samar da ruwa mai ban sha'awa. Lokacin farin ciki Colloid.
Za'a iya gano hpmc nan take a cikin ruwan zafi a kusa da 70 ° C. Lokacin da yawan zafin jiki ya sauka zuwa wani zazzabi, da sannu a hankali gani ya bayyana har a hankali ya bayyana har a hankali an kafa Colloid na Viscid.
3. Tare da ko ba a ba, dalilin ya bambanta
Za'a iya amfani da HPMC nan take a cikin ciyawar da turmi. A cikin glues ruwa, mai zane da kayan tsaftacewa, clumps na iya faruwa kuma ya zama ba a iya m.
Cikin sauri watsawa HPMC yana da ɗimbin aikace-aikace da yawa. Ana iya amfani da shi don putty foda, turmi, ruwa ruwa mai ruwa, fenti, da tsabtace kayayyaki ba tare da wani contraindications ba.
Hanyar rushewa
1. Ka ɗauki adadin ruwan zafi da ake buƙata, sanya shi a cikin wani akwati kuma ya sanya shi zuwa sama da 80 ℃, sai a hankali ƙara wannan samfurin tare da jinkirin motsawa. Cellulose yana iyo a kan ruwa farfajiya da farko, amma a hankali watsawa don samar da daidaitaccen tsari slurry. Kwantar da bayani yayin motsawa.
2. Ko zafi 1/3 ko 2/3 na ruwan zafi zuwa sama da 85 ° C, ƙara sauran adadin ruwan sanyi, saro ci gaba, kuma sanyaya sakamakon cakuda.
3. Celluluse yana da girman lafiya mai kyau kuma yana da ƙananan barbashi guda a cikin daidaitattun foda. Tana narkewa da sauri lokacin da aka fallasa ruwa don samar da danko da ake buƙata.
4
Wadanne abubuwa ne ke shafar ruwan hydroxypropyl methylcellulamin?
Ruwan shuken ruwa na hydroxypropyl methylcellulin hpmc kayayyakin da kanta galibi ana shafar abubuwa da yawa:
1
A wani bangare yana amsa hpmc methoxy da hydroxypropoxoxy an cire su a hankali kuma suna da riƙewa ta ruwa.
2
A mafi girman zafin jiki na heleral mai tsallakewa, sama da mafi yawan kudin riƙe ruwa; Tattaunawa, ƙananan ƙididdigar rugu.
3
Lokacin da danko na HPMC yana ƙaruwa, ƙididdigar riƙe ruwa kuma tana ƙaruwa; Lokacin da danko ya kai wani matakin, karuwa cikin kudin riƙe ruwa ya zama mai laushi.
Cellulose na Ether HPMC Bugu da kari
Mafi yawan adadin sel ether HPMC da aka ƙara, shine mafi girman darajar riƙewar ruwa da kuma mafi kyawun tsarin riƙewar ruwa.
A cikin kewayon 0.25-0.6%, Rukunin riƙewar ruwa yana ƙaruwa cikin sauri kamar yadda adadin yake ƙaruwa; Lokacin da ƙari adadin ƙara ƙaruwa, karuwar yanayin riƙewar riƙe ruwa ya rage ƙasa.
Lokacin Post: Feb-06-2024