Menene bambanci tsakaninhydroxypropyl methylcellulose(HPMC) tare da ko ba tare da S?
1. An raba HPMC zuwa nau'in nan take da nau'in watsawa mai sauri
Nau'in watsawa mai sauri na HPMC an saka shi tare da harafin S. A yayin aikin samarwa, ya kamata a ƙara glioxal.
Nau'in nan take na HPMC baya ƙara kowane haruffa, kamar "100000" shine "100000 viscosity fast dispersion type HPMC".
2. Tare da ko ba tare da S, halaye sun bambanta
Da sauri tarwatsa HPMC yana watsewa cikin sauri cikin ruwan sanyi kuma ya ɓace cikin ruwa.A wannan lokacin, ruwan ba shi da danko, saboda HPMC kawai ana tarwatse a cikin ruwa, kuma babu ainihin rushewa.Bayan kamar minti biyu, dankon ruwan a hankali yana ƙaruwa, yana samar da ruwa mai ɗaci.Kauri colloid.
Nan take HPMC na iya watsewa cikin sauri cikin ruwan zafi a kusan 70°C.Lokacin da zafin jiki ya faɗi zuwa takamaiman zafin jiki, danƙon yana bayyana a hankali har sai an sami colloid mai haske.
3. Tare da ko ba tare da S, manufar ta bambanta
Ana iya amfani da HPMC nan take a cikin foda da turmi kawai.A cikin mannen ruwa, sutura da kayan tsaftacewa, clumping zai faru kuma ba za a iya amfani da su ba.
Watsawa cikin sauri na HPMC yana da aikace-aikace da yawa.Ana iya amfani da shi a cikin foda, turmi, manne ruwa, fenti, da kayan wankewa ba tare da wata matsala ba.
Hanyar warwarewa
1. Ɗauki adadin ruwan zafi da ake buƙata, saka shi a cikin akwati da zafi zuwa sama da 80 ° C, kuma a hankali ƙara wannan samfurin a ƙarƙashin motsin hankali.Selulose yana yawo a kan ruwa da farko, amma a hankali an tarwatsa shi don samar da slurry iri ɗaya.Cool da bayani tare da motsawa.
2. Ko kuma zafi 1/3 ko 2/3 na ruwan zafi zuwa sama da 85 ° C, ƙara cellulose don samun ruwan zafi mai zafi, sa'an nan kuma ƙara sauran adadin ruwan sanyi, ci gaba da motsawa, da kwantar da sakamakon da aka samu.
3. Cellulose yana da in mun gwada da lafiya raga lamba, kuma ya wanzu a matsayin guda kananan barbashi a uniformly zuga foda, kuma shi narke da sauri a lõkacin da ta ci karo da ruwa don samar da danko da ake bukata.
4. Ƙara cellulose a hankali kuma a ko'ina a dakin da zafin jiki, kuma ci gaba da motsawa yayin da ake ƙarawa har sai an samar da bayani mai haske.
Wadanne abubuwa ne ke shafar riƙewar ruwa na hydroxypropyl methylcellulose?
Riƙewar ruwa na hydroxypropyl methylcellulose samfurin HPMC da kansa yana shafar abubuwa masu zuwa:
1. Cellulose ether HPMC homogeneity
HPMC da aka amsa daidai gwargwado yana da iri ɗaya rarraba methoxy da ƙungiyoyin hydroxypropoxy da babban riƙon ruwa.
2. Cellulose ether HPMC thermal gel zazzabi
Mafi girman zafin jiki na thermal gel, mafi girman adadin riƙewar ruwa;in ba haka ba, ƙananan yawan ajiyar ruwa.
3. Cellulose ether HPMC danko
Lokacin da danko na HPMC ya karu, yawan ajiyar ruwa kuma yana ƙaruwa;lokacin da danko ya kai wani matakin, haɓakar yawan riƙewar ruwa yakan zama mai laushi.
Cellulose ether HPMC adadin adadin
Mafi girman adadin adadin cellulose ether HPMC, mafi girman adadin ajiyar ruwa kuma mafi kyawun tasirin ruwa.
A cikin kewayon 0.25-0.6%, yawan adadin ruwa yana ƙaruwa da sauri tare da ƙara yawan adadin adadin;lokacin da adadin adadin ya ƙara ƙaruwa, haɓakar haɓakar yanayin riƙe ruwa ya zama mai hankali.
Lokacin aikawa: Oktoba-17-2022