Hydroxyethylcellulose (HEC) da hydroxypropylcellulose (HPC) duka abubuwan da aka samo asali ne na cellulose, polymer na halitta da ake samu a ganuwar tantanin halitta. Ana amfani da waɗannan abubuwan da suka samo asali na cellulose a cikin masana'antu daban-daban saboda abubuwan da suka dace.
Tsarin sinadaran:
Hydroxyethylcellulose (HEC):
HEC an haɗa shi ta hanyar amsa cellulose tare da ethylene oxide.
A cikin tsarin sinadarai na HEC, an gabatar da ƙungiyoyin hydroxyethyl a cikin kashin baya na cellulose.
Matsayin maye gurbin (DS) yana wakiltar matsakaicin adadin ƙungiyoyin hydroxyethyl a kowace naúrar glucose a cikin sarkar cellulose.
Hydroxypropylcellulose (HPC):
Ana samar da HPC ta hanyar magance cellulose tare da propylene oxide.
A lokacin tsarin kira, ana ƙara ƙungiyoyin hydroxypropyl zuwa tsarin cellulose.
Hakazalika da HEC, ana amfani da matakin maye gurbin don ƙididdige iyakar maye gurbin hydroxypropyl a cikin kwayoyin cellulose.
sifa:
Hydroxyethylcellulose (HEC):
HEC an san shi don kyakkyawan ƙarfin riƙewar ruwa, yana mai da shi kayan aiki na yau da kullum a cikin nau'i-nau'i na thickening da gelling aikace-aikace.
Yana samar da ingantaccen bayani a cikin ruwa kuma yana nuna halayen pseudoplastic, ma'ana ya zama ƙasa da ɗanɗano a ƙarƙashin damuwa mai ƙarfi.
Ana amfani da HEC da yawa a cikin ƙirƙira samfuran kulawa na sirri, magunguna, kuma azaman mai kauri a cikin suturar ruwa.
Hydroxypropylcellulose (HPC):
Har ila yau, HPC yana da kyakkyawan narkewar ruwa da kayan aikin fim.
Yana da fadi da kewayon dacewa tare da sauran kaushi fiye da HEC.
Ana yawan amfani da HPC azaman mai ɗaurewa a cikin ƙirar magunguna, samfuran kula da baki, da samar da kwamfutar hannu.
aikace-aikace:
Hydroxyethylcellulose (HEC):
Ana amfani da shi sosai a cikin kayan kwalliya da masana'antar kulawa ta sirri azaman mai kauri a cikin shamfu, lotions da creams.
An yi amfani da shi azaman stabilizer da mai sarrafa danko a cikin ƙirar magunguna.
An yi amfani da shi wajen samar da fenti da suturar ruwa.
Hydroxypropylcellulose (HPC):
Yawanci ana amfani dashi a aikace-aikacen magunguna, musamman azaman ɗaure a cikin kera allunan.
Ana amfani da shi a cikin kayan kula da baki kamar man goge baki don kauri.
Ana iya amfani da shi a cikin tsarin isar da magunguna masu sarrafawa.
Yayin da hydroxyethyl cellulose (HEC) da hydroxypropyl cellulose (HPC) ke raba wasu kamanceceniya saboda asalin cellulose, sun bambanta a tsarin sinadarai, kaddarorin, da aikace-aikace. HEC sau da yawa ana fifita shi a cikin kulawa na sirri da ƙirar sutura don riƙewar ruwa da ƙarfin ƙarfi, yayin da ake amfani da HPC sosai a cikin masana'antar harhada magunguna, musamman a masana'antar kera kwamfutar hannu da tsarin isar da magunguna na sarrafawa. Fahimtar waɗannan bambance-bambance yana da mahimmanci don zaɓar abubuwan da suka dace na cellulose don takamaiman aikace-aikacen masana'antu.
Lokacin aikawa: Janairu-16-2024