1. An raba HPMC zuwa nau'in nan take da nau'in watsawa mai sauri.
Nau'in watsawa mai sauri na HPMC yana da harafin S a matsayin kari. Ya kamata a ƙara Glyoxal yayin aikin samarwa.
Nau'in HPMC mai saurin wargazawa baya ƙara wasu haruffa, kamar "100000" yana nufin "100000 danko mai saurin wargazawa HPMC".
2. Da S ko ba tare da shi ba, halayen sun bambanta
Watsawa cikin sauri ta HPMC tana warwatsewa cikin sauri cikin ruwan sanyi kuma tana ɓacewa a cikin ruwa. Ruwan ba shi da ɗanko a wannan lokacin saboda HPMC yana warwatse ne kawai a cikin ruwa kuma ba ya narkewa da gaske. Bayan kimanin mintuna biyu, ɗanko na ruwan yana ƙaruwa a hankali, yana samar da ruwa mai laushi mai haske. Colloid mai kauri.
Ana iya watsa HPMC nan take cikin ruwan zafi da sauri a kusan digiri 70 na Celsius. Lokacin da zafin ya faɗi zuwa wani zafin jiki, danko yana bayyana a hankali har sai an samar da colloid mai haske.
3. Da S ko ba tare da shi ba, manufar ta bambanta
Ana iya amfani da HPMC nan take a cikin foda da turmi kawai. A cikin manne na ruwa, fenti da kayan tsaftacewa, ƙuraje na iya faruwa kuma ba za a iya amfani da su ba.
Ana iya amfani da HPMC wajen wargazawa cikin sauri wajen amfani da shi. Ana iya amfani da shi wajen yin foda na putty, turmi, manne mai ruwa, fenti, da kayan tsaftacewa ba tare da wata matsala ba.
hanyar wargazawa
1. A ɗauki ruwan zafi da ake buƙata, a saka a cikin akwati a dumama shi zuwa sama da digiri 80, sannan a ƙara wannan samfurin a hankali ana juyawa a hankali. Cellulose ɗin yana shawagi a saman ruwa da farko, amma a hankali yana watsewa don samar da wani sinadari iri ɗaya. A sanyaya maganin yayin da ake juyawa.
2. Ko kuma a dumama 1/3 ko 2/3 na ruwan zafi zuwa sama da 85°C, a zuba cellulose don samun ruwan zafi, sannan a zuba sauran ruwan sanyi, a ci gaba da juyawa, sannan a sanyaya hadin da aka samu.
3. Cellulose yana da ɗan ƙaramin girman raga kuma yana wanzuwa a matsayin ƙananan ƙwayoyin cuta guda ɗaya a cikin foda da aka haɗa iri ɗaya. Yana narkewa da sauri lokacin da aka fallasa shi ga ruwa don samar da ɗanɗano da ake buƙata.
4. A zuba cellulose a hankali a daidai lokacin da ake da zafin ɗaki, ana juyawa akai-akai har sai ruwan ya fito fili.
Waɗanne abubuwa ne ke shafar riƙe ruwa na hydroxypropyl methylcellulose?
Rike ruwa na kayayyakin hydroxypropyl methylcellulose HPMC da kanta sau da yawa yana shafar waɗannan abubuwa:
1. Daidaiton cellulose ether HPMC
Rukunin methoxy da hydroxypropoxy masu amsawa iri ɗaya suna rarraba daidai kuma suna da yawan riƙe ruwa.
2. Zafin gel na thermal na Cellulose ether HPMC
Mafi girman zafin gel ɗin da ke amfani da zafi, haka nan yawan riƙe ruwa yake ƙaruwa; akasin haka, ƙarancin riƙe ruwa yake raguwa.
3. Danko na cellulose ether HPMC
Idan danko na HPMC ya ƙaru, ƙimar riƙe ruwa ma tana ƙaruwa; lokacin da danko ya kai wani matsayi, ƙaruwar ƙimar riƙe ruwa yakan yi laushi.
Adadin ƙarin Cellulose ether HPMC
Mafi girman adadin cellulose ether HPMC da aka ƙara, mafi girman ƙimar riƙe ruwa kuma mafi kyawun tasirin riƙe ruwa.
A cikin kewayon 0.25-0.6%, yawan riƙe ruwa yana ƙaruwa da sauri yayin da adadin ƙari ke ƙaruwa; lokacin da adadin ƙari ya ƙara ƙaruwa, yanayin ƙaruwar yawan riƙe ruwa yana raguwa.
Lokacin Saƙo: Fabrairu-06-2024