Amfani da hydroxypropyl methylcellulose HPMC

1. Menene babban dalilin hydroxypropyl methyl cellulose (HPMC)?

Ana amfani da HPMC sosai a cikin kayan gini, sutura, resins na roba, yumbu, magunguna, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa matakin gini, matakin abinci da kuma matakin likitanci bisa ga manufarsa. A halin yanzu, yawancin samfuran gida suna da darajar gini. A cikin aikin gine-gine, ana amfani da foda mai yawa da yawa, kimanin kashi 90% ana amfani da foda, sauran kuma ana amfani da turmi da manne.

2. Akwai nau'ikan hydroxypropyl methyl cellulose (HPMC). Menene bambanci tsakanin amfanin su?

Ana iya raba HPMC zuwa nau'in nan take da nau'in narkewa mai zafi. Irin samfuran nan take suna tarwatsewa cikin ruwan sanyi kuma suna ɓacewa cikin ruwa. A wannan lokacin, ruwan ba shi da danko, saboda HPMC kawai ana tarwatsewa cikin ruwa ba tare da narkar da gaske ba. Kusan mintuna 2, dankowar ruwan a hankali ya karu, yana samar da colloid na danko mai haske. Samfurin narke mai zafi, lokacin da ya hadu da ruwan sanyi, zai iya watse da sauri cikin ruwan zafi kuma ya ɓace cikin ruwan zafi. Lokacin da zafin jiki ya faɗi zuwa takamaiman zafin jiki, danƙon yana bayyana a hankali har sai an sami colloid mai haske. Za a iya amfani da nau'in narke mai zafi kawai a cikin foda da turmi. A cikin manne ruwa da fenti, clumping yana faruwa kuma ba za a iya amfani da shi ba. Nau'in nan take yana da fa'idar aikace-aikace. Ana iya amfani dashi a cikin foda da turmi, da kuma a cikin manne ruwa da fenti. Babu sabani.

3. Menene hanyoyin rushewar hydroxypropyl methylcellulose HPMC?

Hanyar narkar da ruwan zafi: Tun da HPMC ba ya narkewa a cikin ruwan zafi, ana iya rarraba HPMC daidai a cikin ruwan zafi a matakin farko, sa'an nan kuma da sauri narke yayin sanyaya. Hanyoyi guda biyu na al'ada an bayyana su kamar haka:

1). Ƙara 1/3 ko 2/3 na adadin ruwan da ake bukata a cikin akwati kuma zafi shi zuwa 70 ° C. watsa HPMC don shirya slurry ruwan zafi; sa'an nan kuma ƙara sauran adadin ruwan sanyi zuwa ruwan zafi A cikin slurry, kwantar da cakuda bayan motsawa.

Hanyar hada foda: a hada hodar HPMC da sauran kayan fulawa mai yawa sai a hada su sosai da blender, sannan a zuba ruwa ya narke, sannan ana iya narkar da HPMC a wannan lokaci ba tare da dunkulewa ba, domin kowace karamar lungu akwai kadan kadan. na HPMC Foda zai narke nan da nan idan ya hadu da ruwa. -Putty foda da turmi masana'antun amfani da wannan hanya. [Hydroxypropyl methyl cellulose (HPMC) ana amfani dashi azaman mai kauri da mai riƙe da ruwa a cikin turmi foda mai sakawa.

Saka adadin ruwan zafi da ake buƙata a cikin akwati kuma yayi zafi zuwa kimanin 70 ° C. A hankali ƙara hydroxypropyl methylcellulose tare da jinkirin motsawa, fara HPMC yana iyo a saman ruwa, sannan a hankali ya samar da slurry, da kwantar da slurry tare da motsawa.