1. An kasu HPMC zuwa nau'in nan take da nau'in watsawa mai sauri.
Nau'in saurin watsawa na HPMC yana da harafin S azaman kari.Ya kamata a kara Glyoxal yayin aikin samarwa.
Nau'in watsa sauri na HPMC baya ƙara kowane haruffa, kamar "100000" yana nufin "100000 mai saurin watsawa HPMC".
2. Tare da ko ba tare da S, halaye sun bambanta
Watsawa cikin sauri na HPMC yana watsewa cikin ruwan sanyi kuma ya ɓace cikin ruwa.Ruwan ba shi da danko a wannan lokacin saboda HPMC tana tarwatsewa ne kawai a cikin ruwa kuma ba ta narkar da gaske.Bayan kamar minti biyu, dankon ruwan a hankali yana ƙaruwa, yana samar da ruwa mai haske.Kauri colloid.
Ana iya tarwatsa HPMC nan take 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, fenti da kayan tsaftacewa, ƙulle-ƙulle na iya faruwa kuma su zama mara amfani.
Watsawa cikin sauri na HPMC yana da aikace-aikace da yawa.Ana iya amfani da shi don putty foda, turmi, manne ruwa, fenti, da kayan tsaftacewa ba tare da wani contraindications ba.
hanyar rushewa
1. Ɗauki adadin ruwan zafi da ake buƙata, saka shi a cikin akwati kuma zafi shi zuwa sama da 80 ℃, sannan a hankali ƙara wannan samfurin tare da jinkirin motsawa.Cellulose yana yawo a saman ruwa da farko, amma a hankali ya watse don samar da slurry iri ɗaya.kwantar da maganin yayin 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 yawan adadin ruwan sanyi, ci gaba da motsawa, kuma kwantar da sakamakon da aka samu.
3. Cellulose yana da in mun gwada da lafiya raga size kuma wanzu a matsayin guda kananan barbashi a uniformly zuga foda.Yana narkewa da sauri lokacin da aka fallasa shi cikin ruwa don samar da danko da ake buƙata.
4. Ƙara cellulose a hankali kuma a ko'ina a dakin da zafin jiki, yana motsawa har sai wani bayani mai tsabta ya samo.
Wadanne abubuwa ne ke shafar riƙewar ruwa na hydroxypropyl methylcellulose?
Riƙewar ruwa na samfuran HPMC na hydroxypropyl methylcellulose da kansa galibi yana shafar abubuwa masu zuwa:
1. Homogeneity na cellulose ether HPMC
An rarraba magungunan HPMC methoxy da hydroxypropoxy daidai gwargwado kuma suna da babban riƙon ruwa.
2. Cellulose ether HPMC thermal gel zazzabi
Mafi girman yawan zafin jiki na gel conductive thermal, mafi girman adadin riƙe ruwa;akasin haka, ƙananan adadin riƙe ruwa.
3. Danko na cellulose ether HPMC
Lokacin da danko na HPMC ya karu, yawan ajiyar ruwa kuma yana ƙaruwa;lokacin da danko ya kai wani matakin, haɓakar yawan riƙe ruwa yakan zama mai laushi.
Cellulose ether HPMC adadin adadin
Mafi girman adadin cellulose ether HPMC da aka kara, mafi girman yawan adadin ruwa kuma mafi kyawun tasirin ruwa.
A cikin kewayon 0.25-0.6%, yawan riƙewar ruwa yana ƙaruwa da sauri yayin da adadin ƙara ya karu;lokacin da adadin adadin ya ƙara ƙaruwa, haɓakar haɓakar yanayin riƙe ruwa yana raguwa.
Lokacin aikawa: Fabrairu-06-2024