HydroxypropypropypropypropypropypropyLulose HPMC ke mofuta oa litlolo tse sa rateheng, 'me ha e arabe ka tšepe e boima. Ka lebaka la karolelano e fapaneng ea lintho tsa mekhoa ea mofuta le hydroxypropyL E haufi le ea hydroxypropyl methylcelulose. Leha ho le joalo, ka mefuta e fapa-fapaneng, leha e le sehlopha se fokolang sa hydroxypropyl kapa palo e nyane ea methomo e fumanehang lithunya kapa mocheso oa lipalesa tse halefileng haholo.
1. The Strobility ea Hydroxypropyl Methylcell
①solubility of hydroxypropypropyL methyl methyl methyl methyl methyl methyl cellulose Conteluble e ts'oana le sello se batang sa metsi le thollong e chesang ea metsi. Leha ho le joalo, ka lebaka la sehlopha sa hydroppypropyl, mocheso oa eona oa botumo ka metsing a chesang o phahame haholo ho feta oa methyl cellulose ea methyl. Ka mohlala, ke pono ea tharollo ea hydrous ea hydroxypropyLe methylcelulose Mocheso oa eona oa gel o ka fihlela haufi le 100 ° C, ha methylcellulose ka mocheso o le mong ke oa 55 ° C, C. Ha e le likhoele tsa eona ka metsing, le eona e ntlafalitsoe haholo. Mohlala, hydroxypropyl methylcelllll e (sebopeho sa granulal (sebopeho sa granulal "
② Bothusi ba hydroxypropyLel methyl methyl celdlose ea hydroxyproplay ho lihlahisoa tsa methyl le tsona tsa kelello E na le hydroxypropyl ms = 1.5 ~ 1.8 le sesebelisoa se ka holimo ho 1,2. E boetse e qhibiliha ho hydrocarbons e halikiloeng e kang dichloromethane le shloroffor le li-solvents tse kang Acetone, Isonestonal joala ba lefu la lefu la liphoofolo. Fulubility ea eona ka li-solvents tsa khale li molemo ho feta ho qhibiliha ka metsi.
2. Likeleng tse amang liketsahalo tsa hydroxypropyl methylcell
Mahlo a ka ts'oenyeha a Hydroxypropyl Methyl cellcouse e sebetsang ea Viscoyproxpropity, joalo ka sethemane se seng sa celluolese, se ipapisitse le mathata a 2% a 20 ° C. Kelello ea sehlahisoa se le seng se eketseha ka keketseho ea khatello ea maikutlo. Bakeng sa lihlahisoa tse nang le boima ba limok'hente tse fapaneng ka botebo, lihlahisoa tse nang le boima ba lisele tse kholo li na le pono e phahameng. Kamano ea eona e nang le mocheso le eona e tšoana le ea Methyl Clubulose. Ha mocheso oa eketseha, vicOsity e qala ho fokotseha, empa e fihla mochesong o itseng, pono e hlakileng e hlaha. Mocheso oa lihlahisoa tsa li-Vel oa lintho tse tlase o phahame. e phahame. Ntlha ea eona ea serethe sa eona ha ea amana feela le pono ea ether, empa hape le karolong ea likarolo tsa mekhoa le hydroxyl e le ether le bolelele bohle ba sebaka. Ho lokela ho hlokomeloa hore hydroxypropy methylcelulose le tharollo ea eona e tsitsitse ka mocheso oa kamore ntle le monyetla oa ho soma enzymatic.
3. HydropxypropyL methylcellll acid le alkali ho hanyetsa
HydropxproPyL methylceLulo acid le alkali, methylcrase e tsitsitseng ho asid le alkali, 'me ha e amehe haholo ka ph 2 ~ 12. E ka mamella palo e itseng e bobebe. Joalo ka sebopeho sa foromo, acig acid, citric acid, acid, acid leha ho le joalo e na le phello ea ho fokotsa pono. Alkali a joalo ka sostrac soda, metsi a maholo a liposh le a lime ha a na phello ea eona, empa a ke ke a eketsa liketsahalo tsa tharollo nakong e tlang.
4. Motsoako oa hydroxypropyl methylcell
Ntho e fosahetseng ea hydroxypropypropyL methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl methyl ka milll Likhomphutha tsena tsa polyer li kenyelletsa Polyethylene Glycol, Polyshinyl Vinyne Siloxane Siloxl Simnylose le Methyl Cellulose Mathyl Litsoso tsa tlhaho tsa Polymer tse kang gum arabic, li-hang li-finic, li-hang gum, jj. Hydroxypropyl methylcellulose can also be mixed with mannitol or sorbitol esters of stearic acid or palmitic acid, and can also be mixed with glycerin, sorbitol and mannitol. Likhutsana tsena li ka sebelisoa e le hydroxypropyl methylcell. Sehoai se thehiloeng cellulose.
5. Insulubility le Slaolity ea Hydroxypropypropyl MethylcellOlose
E-le ethe e sa hlonepheng ea metsi a qhibilihileng ea cemdroxypropypropy ea hydroxypropyly Methylcelulese ka ntloaneng ea metsi e nang le mathata, 'me e-ba hlomphuoa ka metsing. Makhoaba a hydroxypropyproppy, glyoxaldehyde, Glyoxaldehyde, Edipaldehyde, Edipalddehyde Ka hona, Glyoxal e sebelisoa hangata e le moemeli oa lifahleho tsa litaba tsa indasteri. Tekanyetso ea mofuta ona ea moemeli oa lifapano ka tharollo ke 0.2% ~ 10% ea Ether 7% Mocheso oa kakaretso oa kalafo ke 0 ~ 30 ℃, le nako ke 1 ~ 120min. Karabelo ea cars - e hloka ho etsoa tlasa maemo acidic. Ka kakaretso, acid ea acid ea acid kapa acid ea carboxy e kentsoeng ho tharollo ea tharollo ea tharollo ea 2 ~ 6, e kentsoeng ka li-alldehy. . Li-acid tse sebelisitsoeng li kenyelletsa hydrochloric acid, li-acid, acid ea acid kapa acid ea acid e loketseng haholo. Asiti le Alddehde e ka eketsoa ka nako e le ngoe feela ho lumella tharollo ea ho tsoa ho brow ea ph ph e lakatsehang. Boitšoaro bona hangata bo sebelisoa tšebetsong ea kalafo ea kalafo morerong oa ho hlophisa con cellulose. Kamora hore Ether ether e rekisoe, ho loketse ho hlatsoa le ho itokolla ka metsi ka 20 ~ 25 ° C. Ha sehlahisoa se ka sebelisoa, ntho ea alkaline e ka eketsoa tharollo ea sehlahisoa ho fetola PH ea tharollo, 'me sehlahisoa se tla qhibiliha ka potlako. Mokhoa ona o boetse o sebetsa ho tharollo ea Ether ea Cellulose ES ka ho etsoa filimi ebe Filimi e sebetsoa ho e etsa filimi e sa feleng.
6. Hydroxypropyl methylcelulose e hanyetsa li-enzyme
Hydroxypropyproping methylcelulose e loantšana le enzyme. Ka khopolo, litloholo tsa molotho, joalo ka sehlopha se seng le se seng sa ahydrogluclucose, se seng bonolo sa ho nka karolo, le likokoana-hloko li ka atleha haufi le moo. Lihlopheng tse sa tsejoeng tsa adrohdroglucose ho theha tsoekere. , e kenelletseng e le limatlafatsi tsa li-microorgasms. Ka hona, haeba palo ea chelete ea lehae e ntse e eketseha, ho hanyetsa khororo ea enzyal ea ether e ntlafalitsoeng hape. Ho tlalehiloe hore vioscosion ea HydroxypropyLe methylcellllllll (DS = 1.8) ke 7.3%, le methylcelllulose (DS = 1.6 Ho ka bonoa hore bokhoni ba anti-enzyme ba hydroxypropyL methylcelulose e matla. Ka hona, enzy- ho hanela methylcluxypropyLe, e kopantsoe le thepa ea eona e ntle, hangata e sebelisoa ka bongata ba meno, joalo ka kakaretso, 'me ka kakaretso ha e hloke tlatsetso ea liphokojoe. Leha ho le joalo, bakeng sa polokelo ea nako e telele ea tharollo kapa tšimoloho ea lefatše le kantle, li-pressirgals li ka eketsoa e le ts'ireletso, mme khetho e ka etsoang ho latela litlhoko tsa ho qetela tsa tharollo. PhenyLercuTcURic
7. LITLHAKISO TSA PUSO EA HYDROYPYL Methylcelll
Ts'ebetso ea hydroxypropyL methylcelulose Filimi Fydroxxypropypropy Le filimi e boima. E na le mongobo o motle oa mongobo ebile e lula e tiile mochesong o phahameng. Mohlala, eketsa boselamose-m lygroscocric Ho ntlafatsa maemo a feto-fetoha le maemo, mekotla e joalo e joalo ka Glycerin le sorbinol ke eona e loketseng ho feta. Khokahano ea tharollo ea kakaretso ke 2% ~ 3%, 'me palo ea folete e 10% ~ 20% ea Cellulose Ether. Haeba litaba tsa polasetiki e phahame haholo, ho hlasimolla ha shrinkage ea ho senyeha ha colloid ho tla ba le mongobo o phahameng. Matla a ho fifala a filimi le lebone le leholo ho feta a se nang naha, 'me ho eketseha ka keketseho ea chelete e kenyellelitsoeng. Ha e le bohloeki ba filimi, e boetse e eketseha ka keketseho ea bongata ba mehala.
Poso: Hlakubele 20-2025