shiga da
PRELLUOS ELIONER sune anionic ruwa mai narkewa wanda aka samo daga cellulose. Wadannan polymers suna da aikace-aikace da yawa a cikin masana'antu kamar abinci, kayan kwalliya, da gini saboda tsinkayensu kamar su tsinkaye kamar su. Daya daga cikin mahimman kaddarorin masu zaki na wuta ne na zafin rana (tg), yawan zafin jiki wanda polymer ya yi watsi da lokaci na Sol zuwa gel. Wannan dukiyar tana da mahimmanci wajen tantance aikin sel mai zaman ƙonawa a aikace-aikace iri-iri. A cikin wannan labarin, muna tattauna da zazzabi zafin jiki na hydroxypropyl methylcellulose (hpmc), daya daga cikin sel sel seladose a cikin masana'antar.
Zafin zafin jiki na hpmc
HPMC wani ether ne mai roba-roba da yawa a aikace-aikace iri-iri saboda na musamman kaddarorin sa. HPMC yana da narkewa a cikin ruwa, yana haifar da mafita bayyananne a cikin ƙananan taro. A mafi girma maida hankali, hpmc siffofin gels wadanda suke juyawa kan dumama da sanyaya. Hepmc geangar da HPMC tsari ne na mataki biyu wanda ya shafi samuwar micelles yana biye da tarin hanyoyin sadarwa don samar da hanyar sadarwa mai gel (Hoto 1).
Tsarin zafin jiki na hpmc na HPMC ya dogara da abubuwa da yawa waɗanda da yawa na canji (DS), nauyin kwayoyin, nauyi, da ph na mafita. Gabaɗaya, mafi girma da DS da nauyin kwayar cutar HPMC, mafi girma da zazzabi zazzabi. A maida hankali ne na HPMC a cikin bayani kuma yana shafar TG, mafi girma taro, mafi girma tg. Da PH na mafita kuma yana shafar TG, tare da hanyoyin acidic da ake samu sakamakon ƙananan tg.
Hepmc geangar HPMC na juyawa kuma yana iya shafar dalilai daban-daban kamar su da karfi karfi, zazzabi, da taro na gishiri. Shear karya tsarin gel da kuma rage yawan tg, yayin da kara yawan zafin jiki yana haifar da gel din da yake narkewa da kuma rage tg. Qara gishiri ga mafita kuma yana shafar TG, kuma kasancewar coms kamar alli da magnesium yana ƙaruwa tg.
Aikace-aikacen daban-daban tg hpmc
Za'a iya dacewa da halayyar hpmc na HPMC don aikace-aikace daban-daban. Ana amfani da low tg hpmcs a aikace-aikacen da ke buƙatar gelation, irin su kayan zaki nan take, miya da kuma kayan miya. HPMC tare da babban TG ana amfani dashi a aikace-aikacen da ke buƙatar jinkiri ko tsawaita gelation, kamar samarwa na allunan bayarwa, da sakin allunan da aka kawo, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da suturar rauni, da kuma sakin allura.
A cikin masana'antar abinci, ana amfani da HPMC azaman thickener, mai karu da wakilin geling. Ana amfani da low tg hpmc a cikin tsarin kayan zaki nan da nan wanda ke buƙatar gelation da sauri don samar da kayan aikin da ake so da bakin ciki. HPMC tare da babban TG ana amfani dashi a cikin ƙananan mai mai da jinkiri ko tsawaita gelation an so don hana syneresis da kuma tabbatar da yada tsarin.
A cikin masana'antu na harhada magunguna, ana amfani da HPMC azaman mai ban sha'awa, disantargrant da kuma dorewa wakilin saki. HPMC tare da babban tg ake amfani da shi a cikin samar da allunan da aka kawo, inda aka yi jinkiri ko tsawaita gelation an buƙaci sakin magunguna akan tsawan lokaci. Ana amfani da low tg hpmc a cikin tsarin rarraba allunan allunan, inda ake buƙatar rarrabuwar hankali da galibi don samar da lationleele mai da ake so da sauƙi na haɗiye.
A ƙarshe
Tsarin zafin jiki na HPMC na HPMC shine babban dukiya wanda ke ƙayyade halayensa a aikace-aikace daban-daban. HPMC na iya daidaita tg ta hanyar da aka canza ta hanyar canzawa, nauyin kwayoyin, maida hankali da darajar maganin su dace da aikace-aikace daban-daban. Ana amfani da HPMC tare da ƙarancin tg ana amfani da shi don aikace-aikacen geles, yayin da HPMC tare da babban TG ake buƙata don neman jinkiri ko tsawaita gelation. HPMC wata alama ce mai kyau da kuma etherulose ether tare da aikace-aikace da yawa masu yuwuwar a masana'antu daban daban.
Lokaci: Aug-24-2023