Gabatarwa:
Hydroxyfropylmetlcellulose (hpmc) da Hydroxyethylcelcelcelyllulose (hec) dukkansu ana amfani dasu a cikin abinci, kwaskwarima da masana'antu na magunguna. Wadannan abubuwan selulose suna da babban burin aikace-aikace saboda ƙwararrun kayan ruwa, kwanciyar hankali mai kauri, da kuma kyakkyawan tsari na samar da fim.
1.
HPMC shine polymer na roba da aka samo daga Cellose. An yi shi ta hanyar gyaran chelically na al'ada ta hanyar ƙara propylelene oxide da methyl chloride. HEC shima wani nau'in sel selulose ne, amma ana yin ta ne ta hanyar maimaitawa ta halitta tare da ohiyy overlene sannan kuma kula da shi da alkali.
2. Sanarwar:
Dukansu HPMC da HEC sune ruwa mai narkewa kuma ana iya narkar da shi cikin ruwan sanyi. Amma karuwar hec yana ƙasa da HPMC. Wannan yana nufin HPMC yana da mafi kyawun watsawa kuma ana iya amfani dashi sau da sauƙi a cikin tsari.
3. Daraja:
HPMC da HEC suna da halaye daban-daban saboda tsarin sunadarai. HEC tana da nauyi mafi girma da tsarin denser fiye da HPMC, wanda ya ba shi babban danko. Sabili da haka, ana amfani da HEC sau da yawa a matsayin mai kauri a cikin tsari yana buƙatar babban danko, yayin da ake amfani da HPMC a cikin tsari da ke buƙatar ƙananan danko.
4. Daraja-ingirƙira:
Dukansu HPMC da HEC suna da damar samar da fim na samar da fim. Amma HPMC tana da ƙarancin zafin yanayi, wanda ke nufin ana iya amfani dashi a ƙananan yanayin zafi. Wannan ya sa HPMC ya dace da amfani a tsarin da ke buƙatar lokutan da sauri bushewa sau da yawa.
5. DARIHU:
HPMC da HEC suna tsaye a ƙarƙashin yanayin da zazzabi. Koyaya, HEC ya fi dacewa da canje-canje PH fiye da HPMC. Wannan yana nufin cewa ya kamata a yi amfani da HEC a cikin tsari tare da kewayon PH na 5 zuwa 10, yayin da za'a iya amfani da HPMC a cikin yankin PH.
6. Aikace-aikacen:
Abubuwan halaye daban-daban na HPMC da HEC suna sa su dace da aikace-aikace daban-daban. Ana amfani da HEC da aka saba amfani da shi azaman wakili a cikin kayan shafawa na kwastomomi da magunguna. Hakanan ana amfani dashi azaman m da kuma samar da fim a cikin tsarin kwamfutar hannu. Ana amfani da HPMC azaman Thickener, mai tsayayyen fim, da wakilin fim a cikin abinci, magani, da kuma kayan kwaskwarima. Hakanan ana amfani dashi azaman wakili na Gelling a wasu aikace-aikacen abinci.
A ƙarshe:
HPMC da HEC duka su ne sel duka biyu na sel duk tare da kaddarorin musamman waɗanda suka dace da aikace-aikace daban-daban. Fahimtar bambance-bambance tsakanin waɗannan abubuwan biyu zasu iya taimaka muku zaɓi wanda ya dace don girke-girke. Gabaɗaya, HPMC da HEC suna da aminci da ingantaccen abubuwa waɗanda ke ba da fa'idodi da yawa da kayan masana'antu.
Lokaci: Satumba-13-2023