Hanyar narkewar Hydroxypropyl methylcellulose HPMC

Hydroxypropyl methylcellulose, wanda kuma aka sani da HPMC, wani sinadari ne mai suna nonionic cellulose ether wanda aka samo daga auduga mai tsafta, wani abu ne na halitta, ta hanyar jerin hanyoyin sinadarai. Foda ce fari ko rawaya kaɗan wadda take narkewa cikin ruwa cikin sauƙi. Bari mu yi magana game da hanyar narkewar hydroxypropyl methylcellulose.

1. Ana amfani da Hydroxypropyl methylcellulose galibi a matsayin ƙari ga foda na putty, turmi da manne. Idan aka ƙara shi a turmi na siminti, ana iya amfani da shi azaman wakili mai riƙe ruwa da hana ruwa shiga don ƙara yawan famfo; idan aka ƙara shi a cikin foda na putty da manne, ana iya amfani da shi azaman manne. Domin inganta yaduwarsa da kuma tsawaita lokacin aiki, mun ɗauki Qingquan Cellulose a matsayin misali don bayyana hanyar narkewar hydroxypropyl methylcellulose.

2. Da farko ana juya hydroxypropyl methylcellulose na yau da kullun sannan a watsa shi da ruwan zafi, sannan a ƙara shi da ruwan sanyi, a juya sannan a sanyaya don ya narke;

Musamman: a ɗauki 1/5-1/3 na adadin ruwan zafi da ake buƙata, a juya har sai ruwan da aka ƙara ya kumbura gaba ɗaya, sannan a ƙara sauran ɓangaren ruwan zafi, wanda zai iya zama ruwan sanyi ko ma ruwan ƙanƙara, a juya zuwa zafin da ya dace (10°C) har sai ya narke gaba ɗaya.

3. Hanyar jika sinadarin sinadarai ta halitta:

A watsa hydroxypropyl methylcellulose a cikin wani sinadari na halitta ko a jika shi da wani sinadari na halitta, sannan a ƙara ko a ƙara ruwan sanyi don ya narke sosai. Sinadari na halitta na iya zama ethanol, ethylene glycol, da sauransu.

4. Idan haɗuwa ko naɗewa ya faru yayin narkewa, to saboda juyawar bai isa ba ko kuma an ƙara samfurin da aka saba da shi kai tsaye a cikin ruwan sanyi. A wannan lokacin, a juya da sauri.

5. Idan an samar da kumfa yayin narkewa, ana iya barin su na tsawon awanni 2-12 (lokacin ya dogara da daidaiton maganin) ko kuma a cire su ta hanyar yin amfani da injin feshi, matsi, da sauransu, ko kuma ƙara adadin sinadarin da ke lalata su.

Matakan kariya

Ana raba Hydroxypropyl methylcellulose zuwa nau'ikan da ke narkewa a hankali da kuma waɗanda ke narkewa nan take. Ana iya narkar da hydroxypropyl methylcellulose nan take kai tsaye a cikin ruwan sanyi.