Hydroxypyl methylcellulose wani irin sel ne na sel ba ionic ionic ionic ioniced ether. Ba kamar ionic carboxymethlulose celBoxe celBoose ether, ba ya amsawa tare da karafa masu nauyi. Saboda raboos daban-daban na methoxyp abun ciki da hydroxypropyl abun ciki a cikin kayan methyllulopyl na methyl, akwai nau'ikan ƙwayar cuta na methyl, a yayin da ke da hydroxypropyl Abun ciki yana kusa da wannan na selwypelululose selululose. 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 hydroxyphropyl methylcellchropyl methylolose bayani tare da 2 ° c, da kuma zafin jiki na manne, da kuma zazzabin ƙwayar methyl a cikin zafin rana 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 Warmypypyl methyllulopyl ms = 1.5 ~ 1.0, tare da timoculation ds ethoxlatus, da therhaboxy ds ethoplastic da ruwa mai narkewa. 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 yawan zafin jiki ya tashi, dankanika ya fara raguwa, amma lokacin da ya kai wani zazzabi, kwarewar da ba zato ba tsammani ba zato ba tsammani ya tashi da gegewa yana faruwa da gefurnai. 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) Rashin daidaituwa na Hydroxypropyl methylcelrose hydroxypropyl methylcellulo bayani za a iya cxxed da ruwa mai narkewa da ruwa mai narkewa tare da ingancin danko. 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) Pherbulo mai narkewa mai narkewa mai ruwa mai narkewa da ruwan shukoki da ruwan methylluloporopyl methylcellulose na iya aiwatar da haɗi na toshe tare da AldehyDes, saboda haka waɗannan masu narkewa suna cikin mafita kuma su zama insolable cikin ruwa. Alderhydes waɗanda ke haifar da hydroxypropyl methylcellulopyl methylellose ya haɗa da fomarddehyde da sauri, ya kamata a yi amfani da Glyoxal na musamman a matsayin wakili a masana'antar samarwa. Adadin wannan wakilin haɗin haɗi a cikin mafita shine 0.2% ~ 10% ~ 6% ~ 6% na glyoxal shine mafi dacewa. Gabaɗaya, zazzabi na magani shine 0 ~, kuma lokaci shine 1 ~ 120minmin. 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) juriya juriya na hydroxypropyl methylcels a cikin ka'idar, sel ya dace da enzymes mai canzawa ya wuce 1, lokacin da ake musanya ta enzymes, shi ma yana nufin cewa Darajar da enzymes, to hakan yana nufin cewa Digiri na musanya kowane rukuni a kan Sarkar Sell ba daidaituwa isa, da ƙananan ƙwayoyin cuta na iya zama ta zama enited akan rukunin Anhydroguse na ba a gano. An kafa sugars kuma an kwashe su azaman abubuwan gina jiki ga microorganisms. 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 hydrolyplulose (Ds = 1.9) shine 3.8%, kuma ethylcellulose (DS = 1.9) shine 3.8%, kuma Pellulose na Hydrox 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 met methyllulopyl met methylcellulopyl met methyllulopyl hydroxyphropyl methylcellilyl methylcellulopropyl methylcellulopropyl methylcellulose yana da kyawawan kayan fim. Magani mai ruwa-ruwa ko maganin ƙwayar cuta yana da alaƙa a kan farantin gilashin, kuma ya zama kyauta bayan bushewa. Launi, m 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. 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 hygrostacopicity na fim, kuma yana ƙara ƙaruwa tare da karuwar adadin filastik.
Lokacin Post: Dec-20-2022