(Mc)
Tsarin kwayar halitta na methylcellulose (MC) shine:
[C6h7o2 (oh) 3-h (och3) n \] x
Tsarin samarwa shine yin ether na sel ta hanyar jerin halayen bayan an yi amfani da auduga mai refuld tare da alkali, da methyl chloride ana amfani dashi azaman wakili mai gaggafa. Gabaɗaya, matsayin canjin canji shine 1.6 ~ 2.0, kuma sifa ce da daban-daban digiri daban-daban. Yana cikin ethulule ether ether.
Methylcellulo cryple a cikin ruwan sanyi, kuma zai yi wuya a soke a cikin ruwan zafi. Maganin ta ruwa mai ruwa yana da kwanciyar hankali a cikin kewayon pH = 3 ~ 12.
Yana da dacewa da kyau tare da sitaci, guar gum, da sauransu da surfacits da yawa. Lokacin da zazzabi ya kai yawan zafin jiki, gection faruwa.
Rugawar ruwa na methyllulose ya dogara da ƙwararrun ƙimarsa, danko, barbashi barbashi da rushewa.
Gabaɗaya, idan adadin ƙari ne babba, ƙimar ƙarami ne, kuma ƙwararrun yana da yawa, ragin riƙe ruwa mai girma. Daga gare su, yawan ƙari yana da tasiri mafi girma a kan ƙididdigar riƙe ruwa, kuma matakin danko ba daidai gwargwado ga matakin riƙe mai riƙe da ruwa. Ragewar da aka rushe ya dogara da digiri na gyaran farfajiya na barbashi mai ɗorewa da ƙimar ƙarancin barbashi.
Daga cikin abubuwan da ke sama na Allah da ke sama, methyl sel sel da hydroxyphropyl methyl sellulose yana da babban farashin riƙewa.
Carboxymethylcelcelllulose (CMC)
Carboxymose CarBoxymose, wanda kuma aka sani da Sodius Carboxose Preelulose, CMC, da dai sauransu, gishiri ne na anionic na Cellose Carboxylylate, kuma sabuntawa ne kuma ba za'a iya sabuntawa ba. Siad da bai dace ba.
Ana amfani da shi akalla a cikin masana'antar wanka, masana'antar abinci da ruwan harkar mai, kuma adadin da aka yi amfani da shi a cikin kayan kwalliya na kusan 1%.
Ionic PRELLUOS ether an yi shi ne daga fibers na halitta (auduga, da sauransu) bayan maganin alkalium monochloroacetace a matsayin wakili na maimaitawa, kuma yana fuskantar jerin hanyoyin.
Matsayi na canzawa shine gaba daya 0.4 ~ 1.4, kuma wasan kwaikwayon ya shafi tsarin canzawa.
CMC tana da ikon daurin kai mai ƙarfi, da mafi yawan sararin samaniya yana da ƙimar dakatarwa, amma babu darajar filastik na ainihi.
Lokacin da CMC ta lalata, an zahiri ta faru a zahiri. Taken yana fara tashi yayin rushewa, ya wuce ta hanyar matsakaicin, sannan ya saukad da Filato. Sakamakon danko yana da alaƙa da rashin daidaituwa.
Digiri na rashin daidaituwa yana da alaƙa da adadin talauci (ruwa) a cikin tsari. A cikin tsarin da ba shi da kyau, kamar haƙoran haƙoran da ke ɗauke da glycerin da ruwa, CMC ba za ta sami cikakkiyar ma'ana ba kuma za ta kai ga kwatancen daidaitawa.
A game da maida hankali ne na ruwa, wanda ya saba sau da yawa CMC ya fi sauƙi a ɓoye fiye da ƙarancin maye gurbin CMC.
Hydroxyethylcelllulose (hec)
An yi HEC ta hanyar lura da auduga mai refed tare da alkali, sannan kuma ya sake da Ethylene oxide a matsayin wakili eThetone a gaban acetone. Matsayi na canzawa gaba daya 1.5 ~ 2.0. Yana da karfi hydrophility kuma yana da sauƙin sha danshi.
Celellulose na Hydroxulose yana narkewa a cikin ruwan sanyi, amma yana da wuya a narke cikin ruwan zafi. Maganinta yana da kwanciyar hankali a tsananin zafin jiki ba tare da glelling.
Ya tabbata ga acid na gama gari da tushe. Alkalis na iya hanzarin rushewarsa da kuma ƙara danko. Takaitawarsa cikin ruwa ya dan kara muni da sel methyl da hydroxypropyl methyl selulose.
Hydroxypyl methyl selululose (hpmc)
Tsarin kwayar cutar kwayar cutar hpmc shine:
\ [C6h7o2 (oh) 3-mn (och3) m, och2ch (oh) ch3 \] x] x] n \] x
Hydroxypoyl methyplulose ne na sel iri wanda abin fito da amfani na da sauri.
Pellululose ne wanda ba shi da ionic ionic Mished Mixed da aka yi daga auduga mai gyara, ta amfani da propylene oplene a matsayin wakili na ophyl, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen exterification, ta jerin halayen extomation, ta jerin halayen exterification, ta jerin halayen exterifiation, ta jerin halayen exterifiation. Matsayi na canzawa gaba daya 1.2 ~ 2.0.
Abubuwan da ke da su sun sha bamban ne saboda tsararren methoxyl da hydroxypropyl abun ciki.
Hydroxypyl methypchose yana sauƙin narkewa a cikin ruwan sanyi, amma zai iya fuskantar wahala cikin narkewa cikin ruwan zafi. Amma yawan zafin jikinta a cikin ruwan zafi yana da muhimmanci sosai fiye da na sel methyl. Karatun a cikin ruwan sanyi shima ya inganta idan aka kwatanta da Methyl Pelullulose.
Dydrochorcici na Hydroxypropyl methylcellulopyl methylcelos yana da alaƙa da nauyin kwayoyin, da kuma mafi girma ƙwayar ƙwayar ƙwayar cuta, mafi girma danko. Zazzabi yana shafar danko, kamar yadda zafin jiki yana ƙaruwa, danko ya ragu. Koyaya, babban dankalinta yana da ƙananan zazzabi fiye da sel metyl. Maganinta yana da kwanciyar hankali lokacin da aka adana a zazzabi a ɗakin.
Riƙe ruwan hydroxypropyl methylcellulopyl methylcellulopyl methylcellulopyl methyllellulopyl methylllulopy ya yi, danko, da sauransu, da darajar ta ruwa mai yawa ya fi na cellulose na methyl.
Hydroxypyl methylcelose ne ya tabbata ga acid da alkali, da maganin aqueous bayani yana da kwanciyar hankali a cikin kewayon pH = 2 ~ 12. Caustic soda da ruwan lemun tsami suna da isasshen sakamako a kan aikinsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa, amma alkali na iya hanzarta rushewarsa da kuma ƙara danko.
Hydroxypyl methylcelose ne barayi ga salts na kowa, amma lokacin da maida hankali ne na gishiri bayani yana da yawa, danko na hydroxypropyl methylcellulo bayani yana ƙaruwa.
Hydroxypyl methylcelrose za a iya gauraye da ruwan polymer polymer na ruwa don samar da ingantaccen bayani da mafi girma. Kamar giya na polyvinyl, sitaci educh, kayan lambu gum, da sauransu.
Hydroxypyl methyplelulise ya fi dacewa da enzyme juriya da methylcelllulose, kuma maganinta ba zai yuwu da zama mai lalacewa fiye da methylelle
Lokaci: Feb-14-2023