Putty ke thepa ea bohlokoa ea ho haha e sebelisetsoang ho lokisa marako, 'me ts'ebetso ea eona e ama ka ho toba ho khomarela pente le boleng ba mohaho. Ha ho etsoa putty, li-additives tsa cellulose ether li phetha karolo ea bohlokoa.Hydroxypropyl Methylcellulose (HPMC), e le e 'ngoe ea li-cellulose ethers tse sebelisoang ka ho fetisisa, e ka ntlafatsa ka katleho viscosity, ts'ebetso ea kaho le botsitso ba polokelo ea putty.
1. Lintho tsa motheo tsa Hydroxypropyl Methylcellulose
HPMC ke polymer e se nang ionic e qhibilihang ka metsing e nang le botenya bo botle, ho boloka metsi, ho hasana, emulsification le thepa ea ho etsa filimi. Viscosity ea eona e angoa ke tekanyo ea ho fetola, tekanyo ea polymerization le maemo a ho qhibiliha. Tharollo ea metsi ea AnxinCel®HPMC e bonts'a litšobotsi tsa mokelikeli oa pseudoplastic, ke hore, ha sekhahla sa ho kuta se ntse se eketseha, viscosity ea tharollo ea fokotseha, e leng ea bohlokoa bakeng sa kaho ea putty.
2. Phello ea HPMC ho putty viscosity
2.1 Phello e teteaneng
HPMC e etsa tharollo e phahameng ea viscosity ka mor'a ho qhibiliha ka metsing. Botenya ba eona bo bonahala haholo maemong a latelang:
Ho ntlafatsa thixotropy ea putty: HPMC e ka boloka putty ka viscosity e phahameng ha e eme ho qoba ho sisinyeha, le ho fokotsa viscosity ha e hohola le ho ntlafatsa ts'ebetso ea kaho.
Ntlafatso ea ts'ebetso ea putty: Palo e nepahetseng ea HPMC e ka ntlafatsa mahlahahlaha a putty, ea etsa hore ho becha ho be bonolo le ho fokotsa khanyetso ea kaho.
E ama matla a ho qetela a putty: Phello e ntseng e eketseha ea HPMC e etsa hore thepa ea ho tlatsa le ea samente ka har'a putty e qhalane ka ho lekana, ho qoba ho arohana le ho ntlafatsa ts'ebetso e thata ka mor'a kaho.
2.2 Phello ts'ebetsong ea hydration
HPMC e na le thepa e ntle haholo ea ho boloka metsi, e ka fokotsang mouoane o potlakileng oa metsi ka har'a putty layer, ka hona e lelefatsa nako ea hydration ea putty e thehiloeng ho samente le ho ntlafatsa matla le ho hanyetsa ha putty. Leha ho le joalo, viscosity e phahameng haholo ea HPMC e tla ama ho kenella ha moea le lebelo la ho omisa la putty, e leng se tla fella ka ho fokotseha ha katleho ea kaho. Ka hona, palo ea HPMC e hloka ho netefatsa hore e sebetsa hantle ha e ntse e qoba litlamorao tse mpe ka nako e thata.
2.3 Kamano lipakeng tsa boima ba limolek'hule tsa HPMC le viscosity ea putty
Ha boima ba limolek'hule ba HPMC bo phahame, ho ba le viscosity e kholo ea tharollo ea eona ea metsi. Ka putty, tšebeliso ea HPMC e nang le viscosity e phahameng (joalo ka mofuta o nang le viscosity e kholo ho feta 100,000 mPa·s) e ka ntlafatsa haholo ho boloka metsi le thepa e khahlanong le ho sisinyeha ea putty, empa hape e ka lebisa ho fokotseha ha ts'ebetso. Ka hona, tlas'a litlhoko tse fapaneng tsa kaho, HPMC e nang le viscosity e loketseng e lokela ho khethoa ho leka-lekanya ho boloka metsi, ho sebetsa le ts'ebetso ea ho qetela.
2.4 Phello ea litekanyetso tsa HPMC ho putty viscosity
Palo ea AnxinCel®HPMC e kenyellelitsoeng e na le phello e kholo ho viscosity ea putty, 'me hangata litekanyetso li pakeng tsa 0.1% le 0.5%. Ha tekanyo ea HPMC e le tlase, phello e teteaneng holim'a putty e fokotsehile, 'me e ka' na ea se ke ea khona ho ntlafatsa ka katleho ho sebetsa le ho boloka metsi. Ha tekanyo e phahame haholo, viscosity ea putty e kholo haholo, khanyetso ea kaho ea eketseha, 'me e ka ama lebelo la ho omisa la putty. Ka hona, hoa hlokahala ho khetha palo e nepahetseng ea HPMC ho latela mokhoa oa putty le tikoloho ea kaho.
Hydroxypropyl methylcellulose e bapala karolo ea ho tiea, ho boloka metsi le ho ntlafatsa ho sebetsa ha putty. Boima ba molek'hule, tekanyo ea ho fetola le ho eketsa palo eaHPMCe tla ama viscosity ea putty. Palo e nepahetseng ea HPMC e ka ntlafatsa ts'ebetso le ho hanyetsa metsi ha putty, athe ho eketsa ho feteletseng ho ka eketsa bothata ba kaho. Ka hona, ts'ebelisong ea 'nete ea putty, litšoaneleho tsa viscosity le litlhoko tsa kaho tsa HPMC li lokela ho nahanoa ka botlalo, mme foromo e lokela ho fetoloa ka mokhoa o utloahalang ho fumana ts'ebetso e ntle ea kaho le boleng ba ho qetela.
Nako ea poso: Feb-10-2025