Hydroxypyl methylcellose (hpmc) daSlellulosehyl Slellulose (hec) Dukansu selulose na selulose, ana amfani dasu sosai a masana'antu, magani, kayan kwalliya da sauran filayen. Babban bambance-bambancen su ana nunawa cikin tsarin kwayoyin, filayen aikace -aɗi da sauran fannoni.
1. Tsarin kwayoyin
Hydroxypyl methylcellose (hpmc)
HPMC shine ruwa mai narkewa ta hanyar gabatar da metyl (-ch3) da hydroxypropyl (-ch2chhch3) ƙungiyoyi a cikin sarkar kwayoyin kwayoyin. Musamman, tsarin kwayar halitta na HPMC ya ƙunshi masu maye gurbin guda biyu, methyl (-Och3) da hydroxypropyl (-OCH2ch (oh) ch3). Yawancin lokaci, gabatarwar rabo na methyl ya fi girma, yayin da hydroxypropyl na iya inganta warware matsalar silfa.
Slellulosehyl Slellulose (hec)
HEC ne na asali ne ta gabatar da ethyl (-ch2ch2ooh) ƙungiyoyi a cikin sarkar kwayoyin kwayoyin. A cikin tsarin shinkroxulethyl sel, ɗaya ko fiye na hydroxyl ƙungiyoyi suna maye gurbinsu da ƙungiyoyin ethyl hydroxyl na ethyl (-ch2ch2oh). Ba kamar HPMC ba, tsarin kwayar halitta na HEC yana da hydroxylyl guda ɗaya kawai kuma baya da ƙungiyoyin methyl.
2. Rage ruwa
Sakamakon bambance-bambancen tsari, ruwan sha na HPMC da HEC sun bambanta.
HPMC: HPMC tana da kyawun ruwa na ruwa, musamman a tsaka tsaki ko dan kadan alkaline pH na ƙimarsa, sililifion ya fi HEC. Taron methyl da Hydroxypropyl ƙungiyoyi suna haɓaka karyuwar ta kuma na iya haɓaka danko da ƙwayoyin cuta.
HEC: HEC yawanci ana narkewa cikin ruwa, amma a cikin ruwan sanyi, kuma yana buƙatar narkar da babban taro don cimma ƙarin tasirin danko. Sallansa yana da alaƙa da bambance-bambancen tsari na celululose da hydrophilicicity na ƙungiyar hydroxyethyl.
3. Danko da rheological kaddarorin
HPMC: saboda kasancewar ƙungiyoyi daban-daban na hydrophilic guda biyu (methyl da hydroxypropyl biyu a cikin kwayoyin halittar danshi, hpmc yana da kyawawan kayan daidaitawa a cikin ruwa kuma ana amfani da su a cikin adhereut, suttura, kayan abinci, shirye-shiryen magunguna da sauran filayen. A hankali daban-daban, hpmc na iya samar da daidaitawa daga ƙarancin danko zuwa babban danko, kuma danko ya fi dacewa ga canje-canje PH.
HEC: Kwargwadon na HEC kuma ana iya daidaita shi ta hanyar canzawa da taro, amma kewayon daidaita yanayin kayan aikinta yana da kunadarai fiye da na HPMC. Ana amfani da HEC galibi a cikin yanayi inda ake buƙatar mai matsakaici mai matsakaici, musamman ma a gini, kayan wanka da samfuran kulawa na mutum. Abubuwan da kaddarorin HEC suna da tabbaci sosai, musamman a cikin yanayin m acidic ko tsaka tsaki, HEC na iya samar da ingantaccen danko.
4. Filayen aikace-aikacen
Hydroxypyl methylcellose (hpmc)
Masana'antar gine-gine: ana amfani da HPMC a cikin matsar da ciyawa da suttura a cikin masana'antar gine-gine don inganta ruwa, aiki da hana fasa.
Masana'antar masana'antu: a matsayin wakilin sarrafa magunguna, ana amfani da HPMC sosai a masana'antar magunguna. Ba za a iya amfani da shi ba azaman wakili na tsari don allunan da capsules, amma kuma a matsayin m don taimakawa sakin magani a ko'ina.
Masana'antar abinci: Ana amfani da HPMC a cikin sarrafa abinci a matsayin mai zane, thickener ko emulsifier don inganta yanayin zane da dandano na abinci.
Masana'antar kwaya: A matsayina na Thicker, HPMC anyi amfani dashi sosai a cikin samfuran, shamfu, da kuma dunkulewar don ƙara danko da kwanciyar hankali samfuran samfuran.
Slellulosehyl Slellulose (hec)
Masana'antar gine-gine: ana amfani da HEC a cikin sumunti, gypsum, da kuma tallata tala don inganta ruwan da ruwa da kuma samfurin riƙewa.
Cleaners: ana amfani da HEC a cikin masu tsabta na gida, kayan wanki da sauran samfuran don ƙara danko da haɓaka sakamako tsabtatawa.
Masana'antar kwaskwarima: An yi amfani da HEC sosai a cikin samfuran kula da fata, shawa, shamfu, da sauransu a matsayin mai kauri da kuma dakatar da wakilin da kwanciyar hankali.
Rabawar mai: ana iya amfani da HEC a cikin tsarin hakar mai a matsayin mai kauri a cikin ruwa ruwa don taimakawa haɓaka danko na ruwa don taimakawa haɓaka danko na ruwa da haɓaka tasirin hako.
5.
HPMC: HPMC yana da matukar hankali ga canje-canje na pH. A karkashin yanayin acidic, ƙwayoyin hpmc rage, wanda zai iya shafar aikinsa. Sabili da haka, ana amfani da shi a cikin tsaka tsaki ga yanayin alkline.
HEC: HEC har yanzu an ajiye shi a kan babbar kewayon. Yana da ingantaccen daidaituwa ga m acidic da alkaline m, don haka ana amfani da shi a cikin tsari wanda ke buƙatar aminci mai ƙarfi.
HpmCdaHecbambanta a cikin tsarin kwayoyin, ƙila, aikin daidaitawa, da wuraren aikace-aikace. HPMC yana da ingantaccen aiki da daidaitawa na ruwa, kuma ya dace da aikace-aikacen da suke buƙatar ingantaccen danko ko takamaiman tsarin sarrafawa; Duk da yake HEC yana da kyakkyawan kwanciyar hankali na PH da kuma yawan aikace-aikace, kuma ya dace da lokutan da suke buƙatar matsakaici da ƙarancin danko da ƙarfi da ƙarfi. A cikin aikace-aikace na ainihi, zaɓi wanda abu yake buƙatar kimantawa bisa takamaiman bukatun.
Lokaci: Feb-24-2025