Hydroxypropyl methylcellulose (HPMC) shine ether cellulose da ake amfani dashi da yawa wanda aka sani don kyawawan kaddarorin sa na kauri.An yi amfani da shi sosai a masana'antu daban-daban, ciki har da gine-gine, magunguna, abinci da kulawa na sirri.A cikin wannan takarda, mun mai da hankali kan tasirin kauri na HPMC kuma mu bincika abubuwan da ke yin tasiri akan halayen kauri.
Tsarin kauri na HPMC shine:
An dangana tasirin kauri na HPMC zuwa tsarinsa na musamman na kwayoyin halitta.Kwayar halittar HPMC ta ƙunshi kashin baya na sarƙoƙi na cellulose tare da haɗin hydroxypropyl da ƙungiyoyin methyl.Lokacin da aka tarwatsa HPMC a cikin ruwa ko wasu abubuwan kaushi, sarƙoƙi na cellulose suna sha ruwa kuma suna kumbura, yana haifar da samuwar tsarin hanyar sadarwa na 3D.Wannan hanyar sadarwa tana kama da sauran ƙarfi kuma tana ƙara danko ko tarwatsa maganin.
Abubuwan da ke shafar tasirin thickening:
Hankali: Matsalolin HPMC a cikin tsari yana taka muhimmiyar rawa a tasirin sa mai kauri.Yayin da maida hankali yana ƙaruwa, ƙarin ƙwayoyin HPMC suna hulɗa, yana haifar da haɓakar danko da kauri.
Nauyin kwayoyin halitta: Nauyin kwayoyin halitta na HPMC yana rinjayar kaddarorin sa.Mafi girman nauyin kwayoyin halitta HPMC yawanci yana nuna tasiri mai ƙarfi mai ƙarfi idan aka kwatanta da ƙananan matakan nauyin kwayoyin.
Zazzabi: Zazzabi na iya shafar yanayin kauri na HPMC.. Gabaɗaya, ƙara yawan zafin jiki yana rage danko da tasirin tasirin maganin HPMC.
A pH: A pH na bayani kuma iya rinjayar thickening sakamako na HPMC.. Wasu maki na HPMC iya nuna wani ingantacciyar thickening a takamaiman pH jeri, yayin da wasu na iya zama mafi m ga pH canje-canje.
Shear Rate: The shear rate, ko rate a which the solution is hred to machine stress, zai iya shafar thickening hali na HPMC. Ƙimar shear, kamar a lokacin motsawa ko aikace-aikace, danko na iya raguwa saboda karyewar tsarin da HPMC ta kafa.
Aikace-aikace na HPMC mai kauri:
Tasirin kauri na HPMC ya sa ya zama ƙari mai mahimmanci a aikace-aikace da yawa.Wasu aikace-aikacen gama gari sun haɗa da:
Gina: Ana amfani da HPMC a cikin kayan siminti kamar turmi da tile adhesives don inganta aikin su, riƙe ruwa da juriya.
Pharmaceuticals: Ana amfani da HPMC azaman mai kauri a cikin dakatarwar baka, maganin ido da gels, yana samar da daidaiton da ake so da ingantaccen isar da magunguna.
Abinci & Abin sha: Ana amfani da HPMC a cikin samfuran abinci iri-iri kamar miya, riguna da kayan zaki don haɓaka rubutu, kwanciyar hankali da jin bakin baki.
Kulawa da Kayan Kaya: HPMC yana samun aikace-aikace a cikin samfuran kulawa na sirri, gami da creams, lotions da tsarin kula da gashi, azaman mai kauri, mai daidaitawa da wakili na ƙirƙirar fim.
Hydroxypropyl methylcellulose (HPMC) yana nuna mahimman kaddarorin kauri saboda tsarinsa na musamman na ƙwayoyin cuta da hulɗa da ruwa.Fahimtar abubuwan da ke tasiri tasirin kauri na HPMC, kamar maida hankali, nauyin kwayoyin halitta, zazzabi, pH, da ƙimar ƙarfi, yana da mahimmanci don ƙirƙirar samfuran tare da danko da daidaiton da ake so. fadi da kewayon masana'antu, samar da ingantaccen aiki da ingantaccen halayen samfur.
