Seretse se kopantseng metsi ke samente, motsoako o motle, motsoako, metsi le likarolo tse fapaneng tse khethiloeng ho latela ts'ebetso.Ho ea ka karolo e itseng, ka mor'a ho lekanyetsoa le ho kopanngoa seteisheneng sa ho kopanya, e isoa sebakeng sa tšebeliso ea teraka ea mixer, ebe e kenngoa ka ho khethehileng Motsoako oa metsi o bolokoa ka har'a setshelo ebe o sebelisoa ka nako e behiloeng.
Hydroxypropyl methylcellulose e sebelisoa e le ntho e bolokang metsi le ho khutlisa seretse sa samente ho etsa hore seretse se pompehe.E sebelisoa e le setlamo sa plaster, e ntlafatsa ho ata le ho lelefatsa nako ea ho sebetsa.Ts'ebetso ea ho boloka metsi ea hydroxypropyl methylcellulose HPMC e thibela slurry ho phatloha ka lebaka la ho omisa kapele ka mor'a kopo, 'me e matlafatsa matla ka mor'a ho thatafala.Ho boloka metsi ke ts'ebetso ea bohlokoa ea hydroxypropyl methylcellulose HPMC, hape ke ts'ebetso eo bahlahisi ba bangata ba seretse se kopantsoeng malapeng ba e ela hloko.Lintlha tse amang phello ea ho boloka metsi ea seretse se kopantsoeng ke metsi li kenyelletsa palo ea HPMC e kentsoeng, viscosity ea HPMC, botle ba likaroloana, le mocheso oa tikoloho ea tšebeliso.
Karolo ea bohlokoa ea hydroxypropyl methylcellulose HPMC ka har'a seretse sa motsoako oa metsi haholo-holo e na le likarolo tse tharo, e 'ngoe ke bokhoni bo botle ba ho boloka metsi, e' ngoe ke tšusumetso ea ho tsitsisa le thixotropy ea seretse se metsi, 'me ea boraro ke tšebelisano le samente.Phello ea ho boloka metsi ea cellulose ether e itšetlehile ka ho kenngoa ha metsi a lera la motheo, sebopeho sa seretse, botenya ba lera la seretse, tlhokahalo ea metsi ea seretse, le nako ea ho beha thepa.Ha ponaletso ea hydroxypropyl methylcellulose e phahame, ho boloka metsi ho betere.
Lintlha tse amang ho bolokoa ha metsi a seretse sa motsoako o metsi li kenyelletsa cellulose ether viscosity, palo ea ho eketsa, ho lekana ha likaroloana le mocheso oa tšebeliso.Ha ho na le viscosity e kholo ea cellulose ether, ho na le ts'ebetso e ntle ea ho boloka metsi.Viscosity ke parameter ea bohlokoa ea ts'ebetso ea HPMC.Bakeng sa sehlahisoa se le seng, liphetho tsa viscosity tse lekantsoeng ka mekhoa e fapaneng li fapane haholo, 'me tse ling li bile li na le phapang e habeli.Ka hona, ha ho bapisoa viscosity, e tlameha ho etsoa lipakeng tsa mekhoa e tšoanang ea liteko, ho kenyelletsa mocheso, rotor, jj.
Ha re bua ka kakaretso, ha viscosity e phahame, phello e ntle ea ho boloka metsi.Leha ho le joalo, ha viscosity e phahame le boima ba limolek'hule tsa HPMC, ho fokotseha ho lekanang le ho qhibiliha ha eona ho tla ba le tšusumetso e mpe ho matla le ts'ebetso ea kaho ea seretse.Ha li-viscosity li phahame, ho hlakile haholoanyane phello e teteaneng holim'a seretse, empa ha e lekane ka ho toba.Ha li-viscosity li phahame, seretse se metsi se tla ba le viscous haholoanyane, ke hore, nakong ea kaho, se bonahatsoa e le ho khomarela sekoti le ho khomarela holimo ho substrate.Empa ha ho na thuso ho eketsa matla a sebopeho sa seretse se metsi ka boeona.Nakong ea kaho, ts'ebetso ea anti-sag ha e hlake.Ho fapana le hoo, hydroxypropyl methylcellulose e fetotsoeng e nang le viscosity e bohareng le e tlase e na le ts'ebetso e ntle haholo ho ntlafatsa matla a sebopeho sa seretse se metsi.
Ha palo e kholo ea cellulose ether HPMC e eketsoa ka har'a seretse se tsoakiloeng se metsi, ho ntlafatsa ts'ebetso ea ho boloka metsi, 'me ha viscosity e phahame, e ntlafatsa ts'ebetso ea ho boloka metsi.Fineness hape ke index ea bohlokoa ea ts'ebetso ea hydroxypropyl methylcellulose.
Botle ba hydroxypropyl methylcellulose le bona bo na le phello e itseng ho bolokeng metsi a eona.Ha re bua ka kakaretso, bakeng sa hydroxypropyl methylcellulose e nang le viscosity e ts'oanang empa botle bo fapaneng, ho ntlafala ho hoholo ho hoholo hoa Phello ea ho boloka metsi e betere.
Ka seretse se kopantsoeng ke metsi, palo ea ho eketsoa ha cellulose ether HPMC e tlase haholo, empa e ka ntlafatsa haholo ts'ebetso ea kaho ea seretse se tsoakiloeng, 'me ke tlatsetso e kholo e amang ts'ebetso ea kaho ea seretse.Khetho e nepahetseng ea hydroxypropyl methylcellulose e na le tšusumetso e kholo ntlafatsong ea ts'ebetso ea seretse se tsoakiloeng ka metsi.
Nako ea poso: Mar-31-2023