1.HPMCan raba shi zuwa nau'in nan take da nau'in watsawa mai sauri.
Nau'in watsawa mai sauri na HPMC an haɗa shi da harafin S, kuma dole ne a ƙara glioxal yayin aikin samarwa.
Nau'in nan take na HPMC baya ƙara kowane haruffa, kamar "100000" yana nufin "100000 danko.
2. Tare da ko ba tare da S, halaye sun bambanta
Da sauri tarwatsa HPMC yana watsewa da sauri idan ya ci karo da ruwan sanyi ya bace cikin ruwa. A wannan lokacin, ruwan ba shi da danko, saboda HPMC kawai ana tarwatsewa cikin ruwa ba tare da narkar da gaske ba. Bayan kamar minti biyu, dankowar ruwan a hankali yana ƙaruwa, yana samar da ɗanɗano mai ɗanɗano mai ƙaƙƙarfan colloid.
Ana iya tarwatsa HPMC nan take cikin ruwan zafi kimanin 70°C. Lokacin da zafin jiki ya faɗi zuwa takamaiman zafin jiki, danƙon zai bayyana a hankali har sai an sami colloid mai ɗanɗano mai haske.
3. Tare da ko ba tare da S, manufar ya bambanta
Ana iya amfani da HPMC nan take a cikin foda da turmi kawai. A cikin manne ruwa, fenti da samfuran wankewa, za a sami abin haɗawa kuma ba za a iya amfani da su ba.
Da sauri ya watseHPMCyana da aikace-aikace da yawa kuma ana iya amfani dashi a cikin foda, turmi, manne ruwa, fenti, da samfuran wankewa ba tare da wani contraindications ba.
4.Hanyar warwarewa
4-1. Ɗauki adadin da ake buƙata na ruwan zafi, saka shi a cikin akwati kuma zafi shi zuwa sama da 80 ° C, kuma a hankali ƙara wannan samfurin a cikin sannu a hankali. Selulose yana yawo a saman ruwa da farko, amma a hankali an tarwatsa shi don samar da slurry iri ɗaya. An kwantar da maganin yayin motsawa.
4-2. A madadin haka, 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.
4-3. Rukunin cellulose yana da kyau sosai, kuma yana wanzuwa a matsayin ƙananan ɓangarorin guda ɗaya a cikin foda mai motsawa daidai, kuma yana narkewa da sauri lokacin da ya hadu da ruwa don samar da danko da ake bukata.
4-4. A hankali a hankali ƙara cellulose a cikin zafin jiki, kuma ci gaba da motsawa har sai an samar da bayani mai gaskiya.
5.Waɗanne abubuwa ne ke shafar riƙewar ruwa na hydroxypropyl methyl cellulose?
5-1. Cellulose ether HPMC homogeneity
HPMC da aka mayar da martani akai-akai, metoxyl da hydroxypropoxyl ana rarraba su daidai gwargwado, kuma yawan riƙe ruwa yana da yawa.
5-2. 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.
5-3. Cellulose Ether HPMC Viscosity
Lokacin da danko na HPMC ya karu, yawan ajiyar ruwa kuma yana ƙaruwa; a lokacin da danko ya kai wani matakin, karuwa a cikin adadin riƙe ruwa yakan zama mai laushi.
6.Ƙarin adadin cellulose ether HPMC
Mafi girman adadin ether celluloseHPMCkara da cewa, mafi girma yawan adadin ruwa kuma mafi kyawun tasirin ruwa.
A cikin kewayon 0.25-0.6%, yawan adadin ruwa ya karu da sauri tare da karuwar adadin adadin; lokacin da ƙarin adadin ya ƙara ƙaruwa, haɓakar haɓakar yanayin riƙe ruwa ya ragu.
Lokacin aikawa: Afrilu-26-2024