Hydroxypyl methyp sel sty hpmc wani nau'in sel mai kyau ne wanda ya bambanta ethethulose Mixed eth, kuma ba ya amsawa da karafa masu nauyi. Saboda raboos daban-daban na abun ciki na methoxyl da hydroxypropyl abun ciki a cikin Hydroxyphropyl daban-daban na methyl da sel na methyl, da kuma nau'ikan da ke da ƙarancin abun ciki da babba Abun Hydroxypyl, aikinta yana kusa da cewa na hydroxypropyl methylcellulose. Koyaya, a cikin iri daban-daban, kodayake kawai karamin adadin rukunin Metoxypolyl ko ƙaramin rukuni yana kunshe, zazzabi a cikin maganin kwayoyin cuta a cikin maganin ruwa mai ruwa sosai.
1. Karancin Hydroxypyl methylcelos
①solability ①solabilypropyl methyl sel sel methyp selporney Cellopose yayi kama da sanyi na ruwa da ruwan zafi mai ban sha'awa. Koyaya, saboda haɗin Hydroxypyl gungun, zazzabi na Ganesu a cikin ruwan zafi ya fi na cellulose na Metyl. Misali, danko na maganin ruwa na ruwa mai ruwa na hydroxypropyl methylcelos tare da 2% metoxypyl abun ciki ds = 0.73 da hydroxypropripyl abun ciki ms = 0.46 shine 500 MPa a 2000 MPa? A cikin zafin jiki na gel yana iya kai kusa da 100 ° C, yayin methylcellulose a wannan zafin ne kawai kimanin 55 ° C. Amma ga sigogi cikin ruwa, an kuma an inganta shi sosai. Misali, pulverit hydroxypyl methylcellulopyl met methylcellulopyl met methyllulose (siffofin granular na 0.2 ~ 0.5mm A 20 ° C tare da shi a cikin dakin zazzabi, yana da sauƙin narkewa cikin ruwa ba tare da sanyaya ba.
②he Soleility na Hydroxypropyl Methyl Sel Cellulose a cikin Organic Methulose Ellululose a cikin Prefulcipyl Produchyp Sellyl et Pell methyllulose dauke da HydroxypOropyl Ms = 1.5 ~ 1.8 da Mehoxy DS = 0.2 ~ 1.0, da kuma daidaita yanayin methanol da ethanol na matsakaiciya. Hakanan yana da narkewa a cikin chloriated hydrocarbons kamar Dichloromethane da chloroform, kuma a cikin kwayoyin cuta irin su acetone, isopropannor giya. Siyarwa ta a cikin abubuwan da ke cikin kwayoyin halitta sun fi ruwa mai narkewa.
2. Abubuwa sun shafi danko na hydroxypropyl methylcellulose
Abubuwan da ake amfani da su ke rinjayar kwayar cutar methyp sel methyp sel Standard Kwararren iri ɗaya yana ƙaruwa tare da karuwar taro. Don samfurori tare da ma'aunin kwayar halitta daban-daban a irin wannan taro, samfuran tare da manyan ƙwayoyin ƙwayoyin nauyi suna da danko mai girma. Dangantaka ta da zafin jiki ya yi kama da na sel methyl. Lokacin da zazzabi ke kara, danko ya fara raguwa, amma lokacin da ya kai wani zazzabi, kwarewar da ba zato ba tsammani yana ƙaruwa da gefas faruwa. A cikin zafin jiki na gel na samfuran danko. yana da girma. Gel ɗinta na gel ba kawai ya danganta da danko na eth eth eth ethoxy da hydroxypropyl a cikin ether da jimlar canzawa. Dole ne a lura cewa hydroxypropyl methylcellullose ne kuma maganin sa ya tabbata a zazzabi sai da yiwuwar lalata lalata lalata.
3. Hydroxypolyl methylcellile acid da alkali resistance
Hydroxypyl methypcelose acid da alkali resistance hydroxypropyl acid Zai iya tsayayya da wani adadin haske na acid. Kamar acid acid, acetic acid, citric acid, phosphoric acid, borcyphoric acid, borc acid, da sauran acid mai, mai daurin kai yana da sakamakon rage danko. Alkusti kamar soda na caustic, caustic potash da ruwan lemun tsami ba su da tasiri a kai, amma zai iya ƙara dankowar da mafita, sannan za a sami sabon abu na raguwa a gaba.
4. Hydroxypyl methyllulamin
Rashin daidaituwa game da Hydroxypyl methyp selpherulopyl methyl sel bayani zai iya cakuda da ruwa mai narkewa tare da ingantaccen bayani tare da danko. Wadannan mahaɗan polymer sun hada da glycol, polyvinyl acetate, polysiloxane, polymethyl vinyl siloxane, sel polymethyl vinyl selyl, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose, polymethyl pellulose da sel methyl. Halittar polymer na halitta kamar gum larabci, fari na wake gum, daga gum, da sauransu. Hakanan suna da karfin hadari tare da maganinta. Ana iya cakuda hydroxypyl methyllule da mnitol ko soritol esters na stearic acid ko kuma palmitic acid, kuma kuma ana iya cakuda shi da glycerin, dan kadan da mannitol. Za'a iya amfani da waɗannan mahadi azaman hydroxypropyl methylcellulose. Cell filasticer filastik.
5. Insolubility da solubility na ruwa na hydroxypropyl methylcelhin
The instolubilized ruwan zãfi 39llulose eheters na hydroxypropyl methylcellulose na iya zama farfajiya-crewers tare da alkyates, da waɗannan masu narkewa suna cikin cikin mafita kuma su zama insolable cikin ruwa. Alderhydes waɗanda ke yin hydroxypropyl methylcellulopyl methylellose sun haɗa da fomanddehyde na musamman, ya kamata Santccaldehyde ya kamata a biya fa'idodin pH na mafita, da kuma yadda ake amfani da shi a cikin PH. Saboda haka, ana amfani da Glyoxal a matsayin wakili mai narkewa a masana'antar masana'antu. Sashi na irin wannan wakili a cikin mafita shine 0.2% ~ 10% ~ 6% ~ 6% shine mafi dacewa ga glyoxal. Janar na Jiki Jejiri shine 0 ~, kuma lokaci shine 1 ~ 120minmin. Haɗin haɗin haɗi yana buƙatar aiwatar da shi a ƙarƙashin yanayin acidic. Gabaɗaya, Inorganic mai ƙarfi acid ko acid na ƙwayar cuta acid an ƙara zuwa maganin daidaita ph na kusan 2 ~ 6, sannan kuma ana ƙara yawancin abubuwan haɗin gwiwa don aiwatar da hanyar haɗin haɗi. . A acid da aka yi amfani da shi sun haɗa da hydrochloric acid, acid sulci acid, aceticyacetic acid, aceticyacetic acid, da acetic acid, da acetic acid, da kuma formic acid shi ne mafi kyau duka. Hakanan za'a iya ƙara acid da Aldehyde lokaci guda don bada damar mafita don croclink a cikin Lange da ake so. Wannan amsawar ana amfani da shi sau da yawa a cikin tsarin jiyya ta ƙarshe a cikin shiri na prefuls. Bayan ether ether shine insolubiliilzed, ya dace ya wanke kuma tsarkaka da ruwa a 20 ~ 25 ° C. Lokacin da samfurin yake amfani, za'a iya ƙara abu mai kyau zuwa maganin samfurin don daidaita PH na mafita don shafawa, kuma samfurin zai narke a cikin mafita da sauri. Wannan hanyar kuma tana zartar da maganin sel mai sanyawa cikin fim sannan an sarrafa fim ɗin don sanya fim ɗin insolble fim.
6. Hydroxypyl methylcellulose ne mai tsayayya wa enzymes
Hydroxypyl methylcellulose ne mai tsayayya wa enzymes. A cikin Ka'idar, Sorlulos abubuwan sarrafawa, kamar kowane rukunin Anhydrogue, wanda ba shi da sauƙi ga enzymes, amma a zahiri da ƙimar sa ya wuce 1, kuma a zahiri da ƙimar sarkar ba ta da kamuwa da kai, da ƙananan ƙwayoyin cuta zasu iya lalata kusa da Groupsungiyoyin unthydroguse underdrogloseungiyoyi don samar da sugars. , waɗanda suke tunawa da abubuwan gina jiki ga ƙananan ƙwayoyin cuta. Sabili da haka, idan juzu'in Erthatulation Statulase yana ƙaruwa, juriya ga enzymatic ya mutu a kan ethulose suma inganta. It is reported that the residual viscosity of hydroxypropyl methylcellulose (DS=1.9) is 13.2%, methylcellulose (DS=1.83) is 7.3%, and methylcellulose (DS=1.66) is 3.8%, and hydroxyethyl cellulose is 1.7%. Ana iya ganin cewa karfin enzyme damar hydroxypropyl methylcellulose yana da ƙarfi. Saboda haka, kyakkyawan enzyme juriya na hydroxypropyl methylcelose, hade da kyakkyawan watsawa, da sauransu, kuma gaba daya ba ya buƙatar ƙarin abubuwan da aka adana. Koyaya, don dogon ajiya na bayani ko yiwuwar gurbata na waje, za a iya ƙara abubuwan hana a matsayin tsare, kuma zaɓar na iya ƙaddara gwargwadon abubuwan da ake buƙata na ƙarshe. Phenylmercuric Acetate da Mangees suna yin jigilar kayayyaki masu inganci, amma dole ne a biya su duka masu guba, kuma sashi dole ne a biya 1 aceterlmercuric a kowace lita na bayani.
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Aikimin kayakawar hydroxypyl Da m fim. Tana da juriya danshi mai kyau kuma ya kasance mai ƙarfi a yanayin zafi sosai. Misali, ƙara hygroscopic na hygroscopic na iya inganta elongation da sassauci. Don haɓaka sassauci, filastik kamar glycerin da ɗan wasan sorbitol sune mafi dacewa. Babban taro na gaba daya shine 2% ~ 3%, kuma adadin filastik shine 10% ~ 20% na fitiliyar celululose ether. Idan abun ciki na filastik ya yi yawa, phenomage phenonon na Colloid Dishondration zai faru a karkashin zafi mai zafi. Tashin hankali na fim tare da kara da filastika ya fi girma fiye da cewa ba tare da ruwan filastik ba, kuma yana ƙaruwa tare da karuwar adadin adadin. Amma ga hygrostcopicity na fim, kuma yana ƙara ƙaruwa tare da karuwar adadin da ake amfani da filastik.
Lokaci: Feb-20-2025