Hydroxypyl methypcellose hpmc wani irin sel ne na ba ionic pelulose gauraye ether. Ba kamar ionic carboxymethlulose celBoxe celBoose ether, ba ya amsawa tare da karafa masu nauyi. Sakamakon abu daban-daban na metoxyl abun ciki da hydroxypropyl abun ciki a cikin hydroxyphropyl daban-daban methoxypropyl abun ciki methoxypropyl abun ciki methoxypropyl abun ciki ne na sel metyl, yayin da na low Abun Hydroxyl da Hydroxyphropyl na Hydroxypropyl yana kusa da wannan na ƙwayar ƙwayar cuta ta Hydroxypyl Preelululose. Koyaya, a cikin kowane iri ɗaya, kodayake kawai karamin adadin ƙungiyar methoxypropyl ne, akwai bambance-bambance a cikin ƙididdigar ƙwayoyin cuta ko kuma zafin rana a cikin mafita.
(1) Maganin Siyarwa Na Hydroxypomeryl methylcelos
①solubility of Hydroxypyl methylcelrose a cikin ruwa hydroxypypyl methylcellulopyl methylcelllulose ne ainihin prepylelle clell Koyaya, saboda haɗin Hydroxypyl gungun, zazzabi na Ganesu a cikin ruwan zafi ya fi na cellulose na Metyl. Misali, danko na hydroxypropyl methylcellulous bayani tare da 2% Screens canjin abun ciki DS = 0.73 shine 500 mpa s da yawan zafin jikinsa yana iya kai kusa da 100 ° C, yayin da Metyl Slellulose a wannan zafin ne kusan 55 ° C. Amma ga sigogi cikin ruwa, an kuma an inganta shi sosai. Misali, pulverit hydroxypyl methylcellulopyl methylcellulopyl methylcellulopyl met methylcellulopyl met methylcellulose (Granular siffar 0.2 ~ 0.5mm a 20 ° ° ° C tare da shi a cikin dakin da yake da shi, yana da sauƙin narkewa cikin ruwa ba tare da sanyaya ba.
②solubility of Hydroxypropyl methylcellilulose a cikin Organic methypulose a cikin HydroxypLOpropyl methylcellulose a cikin kwayoyin cuta shima ya fi na methylellulose. Don samfurina sama da 2.1, Hannun Warmet . Hakanan yana da narkewa a cikin chloriated hydrocarbons kamar methylene chloride da chloroform, da kuma abubuwan da aka makirci kamar su acetone, isopropannone giya. Silurradi a cikin abubuwanda suka yi yawa sun fi so na ruwa.
(2) Abubuwa masu tasiri suna shafar danko na hydroxypripyl methylcelrose daidai ne Daidai na samfurin iri ɗaya yana ƙaruwa tare da karuwar taro. Don samfurori tare da sikelin kwayoyin halitta daban-daban a daidai maida hankali, samfurin tare da babban nauyin kwayoyin yana da danko. Dangantaka ta da zafin jiki ya yi kama da na sel methyl. Lokacin da zazzabi ya tashi, danko ya fara raguwa, amma lokacin da ya kai wani zazzabi,
Amincewa ba zato ba tsammani ya tashi da gelation faruwa. A cikin zafin jiki na gel na samfuran danko. yana da girma. Gel ɗinsa ba kawai ya danganta da danko na Ether ba, amma kuma yana da alaƙa da ƙungiyar methoxyl a cikin ether da girman sauya matakin canzawar. Dole ne a lura cewa hydroxypropyl methylcellulopyl methylell -yl ne shima fseudoplastic, kuma maganinta yana da haushi a ɗakin zafin jiki ba tare da yiwuwar lalata.
(3) The rijiyar haƙuri na hydroxypyl methylcelchopyl methylcellulopyl methylcellull ruwa, sabanin sauran sel mai ionic, sabanin wani sel mai kyau na ruwa da hazo a cikin mafita. Janar salts kamar chloride, bromide, phosphate, nitrate, da sauransu ba za su yi nasara ba lokacin da aka kara a cikin magudanar ruwa. Koyaya, ƙari na gishiri yana da wasu tasiri a kan rumfa zafin jiki na mafita ta ruwa. Lokacin da taro mai gishiri ke ƙaruwa, zazzabi gel ya ragu. Lokacin da taro gishiri ke ƙasa da tsinkaye mai tsayi, dankalin turawa yana ƙaruwa. Saboda haka, an ƙara wani adadin gishiri. , A aikace-aikacen aikace-aikacen, zai iya cimma nasarar tasirin tasiri a tattalin arziƙi. Sabili da haka, a cikin wasu aikace-aikace, zai fi kyau amfani da cakuda ether da gishiri fiye da mai girma na ether don cimma sakamako mai tasirin ethkening.
(4) hydroxypyl methylcelose acid and alkali resistance hydroxypropyl acid Zai iya tsayayya da wani adadin acid na haske, kamar formic acid, acetic acid, phospinic acid, phosphoric acid, boric acid, acid mai da hankali yana da sakamakon rage danko. Alkalis kamar soda na caustic, caustic potash da ruwan lemun tsami ba su da tasiri a kanta, amma suna iya ƙara haɓakar mafita, sannan a rage shi.
(5) Bayyanar Hydroxypyl methylcelropopyl methyplulopropyl methylcellulo bayani za a iya curchos bayani da kuma methoBle polymer polymer ya zama uniform da fassara tare da danko mai girma. Wadannan mahaɗan polymer sun hada da glycol, polyvinyl acetate, polysilicone, polymethylvinyloxane, sel polylyese, hydroxylyl sel, methyl pellulose. Halittun kwayoyin halitta na asali kamar gum larabci, fari na gum, daga gum, da sauransu. Hakanan suna da jituwa mai kyau tare da maganinta. Hakanan za'a iya cakuda hydroxypyl-methyphese tare da menitol ester ko soritol ester na stearic acid ko kuma palmitol da metitroxypropyl filastik methylllulose ne na celulose.
(6) Inspumable ruwa mai narkewa mai narkewa mai ruwa mai narkewa da ruwan hoda mai cike da hydroxypropyl methylcellulose za a iya haɗe shi cikin mafita kuma ya zama insolable cikin ruwa. Alderhydes waɗanda ke haifar da hydroxypomyl methylcellulopyl methylellose sun haɗa da fomarddehyde da sauri, a tsakanin abin da glyoxal ake amfani da shi azaman tsallakewa wakili a masana'antar masana'antu. Adadin wannan wakilin haɗin haɗi a cikin mafita shine 0.2% ~ 10% ~ 6% ~ 6% na glyoxal shine mafi dacewa. Gabaɗaya, magani
Zazzabi shine 0 ~, kuma lokaci shine 1 ~ 120min. Haɗin haɗin haɗi yana buƙatar aiwatar da shi a ƙarƙashin yanayin acidic. Gabaɗaya, an fara da mafita tare da macici acid ko ƙwayar ƙwayar ƙwayar cuta ko kuma zai fi dacewa tsakanin 4 ~ 6, sannan kuma ya fi dacewa da alkyabbai don aiwatar da hanyar haɗin haɗi. Acid da aka yi amfani da shi yana da hydrochloric acid, acid sulci acid, aceticyacetic acid, acetroxyacetic acid, pcetic acid, da kuma citric acid, da kuma samar da formic acid. Hakanan za'a iya ƙara da acid da Aldehyde lokaci guda don ba da damar mafita don yin amfani da amsa-haɗi 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 eth ether shine insoluble, ya dace a yi amfani da shi
20 ~ 25 ℃ ruwa don wanka da tsarkakewa. Lokacin da samfurin yake amfani, za a iya ƙara abubuwan alkaline a cikin maganin samfurin don daidaita PH na mafita don shafawa, kuma samfurin zai narke a cikin maganin da sauri. Wannan hanyar kuma tana zartar da lura da fim bayan an yi shi a cikin fim don sanya fim ɗin insolble fim.
(7) enzyme juriya na hydroxypropyl methylcelose ne celetical fellulous, idan akwai ingantaccen rukunin da ƙananan ƙwayoyin cuta lokacin da ƙimar da ta dace ta wuce 1, shi ma da enzymes ne ya lalata da cewa enzymes, wanda ke nufin cewa matakin canjin kowane rukuni a kan sel na sel ba shi da isasshen kungiyar da ba a tantance ba, da ƙananan abubuwan gina jiki don sha. Sabili da haka, idan digiri na musanyawar Etilatom na celulose yana ƙaruwa, juriya ga enzymatic lalacewa na enzymatic na sel suma kuma yana ƙaruwa. A cewar rahotanni, a karkashin yanayin sarrafawa, sakamakon danko na hydroles na enzymes, resectyllulose na hydroxyphopropyl methyllulose (Ds = 1.9) shine 7.9) shine kashi 7.5) shine 3.65) shine 3.8%, Kuma sel mai launin hydroxyl shine 1.7%. Ana iya ganin hakan hydroxypropyl methylcellulise yana da ƙarfi anti-enzyme iyawa. Saboda haka, kyakkyawan enzyme juriya na hydroxypropyl methylcelose, hade tare da kyakkyawan watsawa, da sauransu, kuma gaba daya baya buƙatar ƙara abubuwan da aka adana. Koyaya, don dogon ajiya na bayani ko yiwuwar gurbatawa daga waje, ana iya ƙara abubuwan hanawa azaman tsare, kuma zaɓin za a iya ƙaddara gwargwadon abubuwan da ake buƙata na mafita. Phenylmercuric Acetate da Manganese suna yin amfani da abubuwan da ke tattare da tasiri, amma duk suna da guba, dole ne a biya hankali ga aikin. Gabaɗaya, 1 ~ 5mg na phenylmercury acetate ana iya ƙara zuwa mafita kowace lita na sashi.
(8) Hydroxypyl met methyllulopyl met methyllulopyl met methylcellulopyl met methyllulopyl hydroxypyl hydroxypripropyl methylcellilyl methylcellilyl methylcellulopyl methylcellulose yana da kyawawan kayan fim. Magani mai ruwa mai ruwa ko mafi ingancin ƙwayar cuta yana da alaƙa a kan farantin gilashin, kuma ya zama mai launi da m bayan bushewa. Da m fim. Tana da juriya danshi mai kyau kuma ya kasance mai ƙarfi a yanayin zafi sosai. Idan an ƙara haɓakar filastik na wuta, za'a iya inganta elongation da sassauci. A cikin sharuddan inganta sassauci, filastik kamar glycerin da dan wasan sorbitol sune mafi dacewa. Gabaɗaya, daidaitaccen bayani shine 2% ~ 3%, kuma adadin filastik shine 10% ~ 20% na prelulose ether. Idan abun ciki na filastik ya yi yawa, ƙarancin haske mai narkewa zai faru a cikin zafi mai zafi. Da tenarfin fim ɗin tare da
Plater addros ya kara fi girma fiye da cewa ba tare da kayan wuta ba, kuma yana ƙaruwa tare da karuwar adadin adadin. Amma ga hygrostacopicity na fim, kuma yana ƙara ƙaruwa tare da karuwar adadin filastik.
Lokaci: Nuwamba-24-2022