Amfani da hydroxypropyl methylcellulose

1. Menene babban aikace-aikacen hydroxypropyl methylcellulose (HPMC)?

Amsa: Ana amfani da HPMC sosai a cikin kayan gini, kayan kwalliya, resins na roba, yumbu, magunguna, abinci, masaku, noma, kayan kwalliya, taba da sauran masana'antu.Ana iya raba HPMC zuwa matakin gini, darajar abinci da kuma darajar magunguna bisa ga manufar.A halin yanzu, yawancin samfuran cikin gida sune 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 methylcellulose (HPMC) da yawa, kuma menene bambance-bambancen amfaninsu?

Amsa: Ana iya raba HPMC zuwa nau'in nan take da nau'in rushewar zafi.Nau'in samfuran nan take suna watse da sauri cikin ruwan sanyi kuma su ɓace cikin ruwa.A wannan lokacin, ruwan ba shi da danko saboda HPMC ana tarwatsewa ne kawai cikin ruwa ba tare da narkar da gaske ba.Kusan mintuna 2, dankowar ruwa a hankali yana ƙaruwa, yana samar da colloid mai haske.Abubuwan da aka narke mai zafi, lokacin da aka sadu da ruwan sanyi, suna iya watse da sauri cikin ruwan zafi kuma su ɓace cikin ruwan zafi.Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, danƙon zai bayyana a hankali har sai ya zama colloid mai haske.Za'a iya amfani da nau'in zafi mai zafi a cikin foda da turmi kawai.A cikin manne mai ruwa da fenti, za a sami al'amuran haɗaka kuma ba za a iya amfani da su ba.Nau'in nan take yana da fa'idar aikace-aikace.Ana iya amfani dashi a cikin foda da turmi, da manne ruwa da fenti, ba tare da wani contraindications ba.

3. Menene hanyoyin rushewar hydroxypropyl methylcellulose HPMC?

Amsa: Hanyar narkar da ruwan zafi: Tun da HPMC ba ta narke cikin ruwan zafi, ana iya tarwatsa HPMC daidai gwargwado a cikin ruwan zafi a matakin farko, sannan kuma da sauri ya narke idan an sanyaya.Hanyoyi guda biyu na al'ada an bayyana su kamar haka:

1), ƙara 1/3 ko 2/3 na adadin da ake buƙata na ruwa a cikin akwati, da kuma zafi shi zuwa 70 ° C, watsar da HPMC bisa ga hanyar 1), da kuma shirya slurry ruwan zafi;sa'an nan kuma ƙara sauran adadin ruwan sanyi zuwa ruwan zafi mai zafi, an sanyaya cakuda bayan ya motsa.

Yadda ake hada foda: sai a hada garin HPMC da sauran abubuwa masu yawa, sai a hada su sosai da mahautsini, sannan a zuba ruwa a narkar da shi, sai a narkar da HPMC a wannan lokaci ba tare da an yi takura ba, domin akwai HPMC kadan a cikin kowane kankanin. kusurwa Powder, zai narke nan da nan lokacin da aka haɗu da ruwa.——Masu kera foda da turmi suna amfani da wannan hanyar.[Hydroxypropyl methylcellulose (HPMC) ana amfani dashi azaman mai kauri da mai riƙe da ruwa a cikin turmi foda na putty.

2) Sanya adadin ruwan zafi da ake buƙata a cikin akwati kuma yayi zafi zuwa kimanin 70 ° C.A hankali an ƙara hydroxypropyl methylcellulose a ƙarƙashin jinkirin motsawa, da farko HPMC ya yi iyo a saman ruwa, sannan a hankali ya samar da slurry, wanda aka sanyaya a ƙarƙashin motsawa.