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 metoxyl abun ciki da hydroxypropyl abun ciki a cikin Hydroxyphropyl daban-daban na methoxyphopopyl na methyl, akwai nau'ikan ƙwayar cuta ta methyl, yayin da aikin low methoxyl da babba Abun cikin Hydroxypyl yana kusa da waccan methyp preelululose pelululose. 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
Skurority na hydroxypropyl met methylceloos a cikin ruwa hydroxypypyl methylcellulopyl methylcellulose ne ainihin propylellene) 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, pulverezed hydroxypyl methylcellulopyl methylcellulopyl methylcellulopyl methylcellulopyl methylcellulopyl methylcel 0.2 ~ 0.5mm a 20 ° C tare da zazzabi na yanayi, yana da sauƙin narkewa cikin ruwa ba tare da sanyaya ba.
Skurrility na hydroxypropyl methylcellulose a cikin kwayoyin gwal da warware matsalar hydroxypropyl methylcellulose a cikin kwayoyin cuta shi ne ya fi na methylellulose. Methylcellililuli ne yana buƙatar samun yanayin canji na Metoxyl na 2.1 thermos-filastik na ruwa da ruwa. 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 sun rinjayi danko na hydroxypropyl methyp preelulue ka'idar danko An auna shi a 20 ° C tare da maganin 2% aqueous azaman matsayin. Kwararren 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, dankanika ya fara raguwa, amma lokacin da ya kai wani zazzabi, kwarewar kwatsam ba zato ba tsammani yana tashi da gefuna 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 methyplellose shima ya rikice-rikice, kuma maganinta yana da haushi a ɗakin zafin rana ba tare da yiwuwar lalata enzymat ba.
(3) The rijiyar haƙuri na hydroxyphropyl methylcelrose tunda hydroxypropyl Eonicymaceslulose ne, kamar sauran cellocke na ruwa, sabanin wani bayani don amsawa da nauyi na karfe da hazo. 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. Sabili da haka, an ƙara wani adadin gishiri, a aikace-aikacen, zai iya cimma nasarar tasirin tasiri mafi ƙarfi sosai. 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 Yana iya yin tsayayya da wani adadin haske na acid, kamar su form acid, acetic 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 polyethylene glycol, polyvinyl acetate, polysilicone, polymethylvinyl siloxane, clyroxyethyl pelullulose. 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) Silli mai narkewa mai narkewa mai ruwa mai narkewa da ruwan shinkers waɗanda ke cikin hydroxypropyl methylcellulose na iya aiwatar da hanyoyin haɗin kai tare da Alderhydes, 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. Sashi na irin 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. Ana buƙatar aiwatar da aikin da ke faruwa a ƙarƙashin yanayin acidic. Gabaɗaya, an gyara maganin ph na maganin game da 2 ~ 6 ta ƙara macici mai ƙarfi acid ko kuma ana ƙara Aldexylic acid a cikin 4 ~ 6, sannan kuma ana ƙara Aldehekys tsakanin 4 ~ 6, sannan kuma ana ƙara Aldehaydes tsakanin 4 ~ 6, sannan kuma ana ƙara Aldehydes tsakanin 4 ~ 6, sannan kuma ana ƙara Aldehydes tsakanin 4 ~ 6. Acid da aka yi amfani da shi yana da hydrochloric acid, acid sulci acid, aceticy-acid, acetroxy acid, da kuma acid mai kyau, 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 enzyme juriya na hydroxypropyl methylceloscropyl methylcelosels ne preelulous sel m, amma a zahiri da enzymes ya wuce 1, wanda ke nufin ya lalata cewa digiri na musanatacce Kowane rukuni a kan sarkar sel ba su dace ba, kuma ƙananan ƙwayoyin cuta na iya lalata ƙwayoyin ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta don samar da ƙwayoyin cuta don ƙwayoyin cuta don ɗaukarsu. 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, da hydrolyis sakamakon enzymes da aka yi, methylcellulopropyl (Ds = 1.9) shi ne kashi 7.20) shine 3.8%, kuma ethylcellulose (DS = 1.9) shine 3.8%, da Sellulose 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 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. 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.
Lokaci: Jun-13-223