Hydroxypyl methylcelose (hpmc) abu ne na yau da kullun Semi-lynm mai narkewa da kuma selulose na sel. Yana da ruwa mai narkewa wanda ba shi da ruwa mai narkewa wanda ke tattare da chemically gyaran sillose na halitta. Tsarin shiri na HPMC yawanci ya hada da matakan masu zuwa: Alfalizing Cellululose ta alkali da Methypypypyl da methyl m a samar da HPMC.
Tsarin sunadarai da kaddarorin HPMC
Kungiyar HPMC ta asali na HPMC ita ce β-d-phranoose, wanda shima shine ainihin sashin celulamose. A HPMC, wasu kungiyoyin Hydroxyl (-OH) sun maye gurbinsu da kungiyoyin metoxy (-OCH₃) da hydroxypropoxoxy kungiyoyi (-Och₂chypropoxoxy rukuni (-Och₂choh₃), don haka tsarin sa ya bambanta da na cellulose na halitta. Wannan jujjuyawar ta inganta karancin HPMC a cikin ruwa da wasu abubuwan da ke tattare da kwayoyin halitta, kuma suna da kyakkyawar kwanciyar hankali da ƙananan hygrostcopicity.
Lokacin da HPMC aka narkar da a cikin ruwa, zai iya samar da ingantaccen maganin mafita. Sililinsa yana da alaƙa da nau'in da kuma yanayin maye gurbin mai canzawa. Gabaɗaya magana, HPMC tare da mafi girma abun ciki na methyl masu maye a cikin ruwan sanyi, yayin da HPMC tare da mafi girman abun ciki na ruwan hydroxypropyl yana da mafi kyawun ƙila. Bugu da kari, hanyoyin HPMC suna da kayan aikin thermogel, cewa suna, suna da gel lokacin da aka mai zafi da kuma narke lokacin da aka sanyaya.
Filayen aikace-aikacen hpmc
Sakamakon tsarin sinadarai na musamman da kaddarorin likitanci, an yi amfani da hpmc sosai a cikin filayen da yawa.
Abubuwan gini: A cikin kayan gini, ana amfani da HPMC azaman Thickener da kayan riƙe da kayan aiki don inganta aikin ginin ciminti da ingancin kayan gypsum da ingancin samfurin. Hakanan yana iya inganta m, crack juriya da karkadawa na turmi.
Magunguna: Aikace-aikacen HPMC a cikin Filin Pharmaceututicer ya haɗa da kayan sarrafawa suna saki kayan, capsule bawo da thickcke da kuma riguna. Saboda hpmc ba mai guba bane, ba mai haushi ba kuma yana da kyakkyawan biocombiltiativility, ana yadu da yawa a cikin ci gaba-saki da saki-saki na Allunan.
Abinci: A cikin masana'antar abinci, ana amfani da HPMC azaman Thickerner, mai tsafta, da ice cream, da sauransu, yogurt, da sauransu, yogurt, da sauransu, yogurt, da sauransu.
Kayan shafawa: A fagen kwaskwarimar kwaskwarima, ana amfani da HPMC azaman mai kauri don emulsions, cream da gels. Ba wai kawai yana ba da kyakkyawan yanayi ba, har ma yana haɓaka fim ɗin fim ɗin a saman fata, don haka yana ɗan unuriz da kariya da rawar kariya.
Ana amfani da HPMC azaman Thickener, watsawa da emulsifier a coxings, wanda zai iya inganta aikin aikin coxings kuma inganta matakin cox.
Fa'idodi da kuma iyakance na HPMC
HPMC tana da fa'idodi da yawa, kamar su na amfani da ruwa mai kyau, kwanciyar hankali na ruwa, waɗanda ba masu guba ba da biocompativity. Wadannan halaye sun yi amfani da shi sosai a fannoni da yawa. Koyaya, HPMC kuma yana da wasu iyakoki. Misali, a karkashin babban yanayin zafi, danko na HPMC zai zube sosai, wanda zai iya zama matsala a wasu aikace-aikace. Bugu da kari, HPMC tana da ƙarancin kwanciyar hankali a cikin babban adadin da aka magance gishiri, wanda kuma yana iyakance aikace-aikacen sa a wasu mahalli na musamman.
HPMC muhimmiyar aiki ce mai mahimmanci. Tare da kayan aikinta na musamman da na sinadarai da aikin aikace-aikace, an yi amfani da shi sosai a gini, magani, abinci, kayan kwalliya da coatings. Kodayake yana da wasu iyakoki, filin aikace-aikacen HPMC har yanzu yana faɗaɗa ta ci gaba da bincike da ci gaba. Tare da ci gaban kimiyya da fasaha, ana sa ran ana tsammanin yin muhimmiyar rawa a cikin mafi yawan tasoi.
Lokaci: Feb-17-2025