Hydroxypropyl methylcellulose ether (HPMC) e na le litlamorao tsa ho boloka metsi le ho teteana ka har'a seretse sa samente le seretse se thehiloeng ho gypsum, 'me e ka ntlafatsa ka mokhoa o utloahalang ho khomarela le ho hanyetsa ka ho otloloha ha seretse.
Mabaka a kang mocheso oa khase, mocheso le sekhahla sa khatello ea khase a kotsi ho sekhahla sa mouoane oa metsi ka har'a li-mortar tsa samente le lihlahisoa tse thehiloeng ho gypsum. Ka hona, palo e lekanang ea hydroxypropyl methylcellulose ether (HPMC) ea khoebo e ekelitsoeng ho boloka boteng ba metsi e fapana ho ea ka linako tsa selemo.
Ha ho tšeloa konkreite, phello ea ho notlela metsi e ka fetoloa ho latela keketseho kapa phokotso ea sekhahla se phahameng sa phallo. Sekhahla sa ho notlela metsi sa hydroxypropyl methylcellulose ether mochesong o phahameng ke boleng ba bohlokoa ba sesupo sa ho khetholla boleng ba hydroxypropyl methylcellulose ether.
Lihlahisoa tsa boleng bo holimo tsa hydroxypropyl methylcellulose ether (HPMC) li ka sebetsana ka nepo le bothata ba ho koalloa ha metsi mochesong o phahameng. Linakong tsa mocheso o phahameng, haholo-holo libakeng tse chesang le tse mongobo le mehahong ea boenjiniere ba chromatography, ho hlokahala ho sebelisa hydroxypropyl methylcellulose ether (HPMC) ea boleng bo holimo ho ntlafatsa ho qhibiliha ha metsi a lerōle.
Karolo ea hydroxypropyl methylcellulose ether (HPMC) ea boleng bo holimo e ts'oana haholo, 'me lihlopha tsa eona tsa methoxy le hydroxypropyl li ajoa ka ho lekana ketane ea sebopeho sa limolek'hule ea methyl cellulose, e ka ntlafatsang tlhahiso ea limolek'hule tsa oksijene holim'a litlamo tsa hydroxyl le ether. Bokhoni ba litlamo tsa covalent ba ho sebetsa.
E ka laola ka ho utloahalang mouoane oa metsi o bakoang ke boemo ba leholimo bo chesang 'me ea fihlella phello ea sebele ea ho koalloa ha metsi a mangata. Hydroxypropyl Methylcellulose Ether (HPMC) ea boleng bo holimo e fumanoa ho pholletsa le li-mortar tse tsoakiloeng le plaster ea mesebetsi ea matsoho ea paris.
Dikaroloana tsohle tse tiileng di kwalletswe ho etsa filimi e metsi. Metsi a tlwaelehileng a lokollwa butle ka nako e telele mme a feta karabelong ya ho kopana ha dintho tse sa pheleng le thepa ya collagen ho netefatsa matla a ho hatella le matla a ho kganna.
Ka hona, libakeng tsa kaho tse nang le mocheso o phahameng lehlabula, e le ho fihlela phello ea 'nete ea ho boloka metsi, batho ba tlameha ho eketsa lihlahisoa tsa hydroxypropyl methylcellulose ether (HPMC) tsa boleng bo holimo ho latela risepe ea lekunutu, ho seng joalo li tla haella ka lebaka la khaello ea metsi. Mathata a boleng ba sehlahisoa a kang ho tiea, matla a fokotsehileng a ho hatella, mapetso, ho ruruha ha moea, jj. a baka ho omella ho feteletseng.
Sena se boetse se eketsa bothata ba kaho bakeng sa basebetsi. Ha mocheso o ntse o fokotseha, bongata bo eketsehileng ba hydroxypropyl methylcellulose ether (HPMC) bo fokotseha butle-butle ho fihlela mongobo o tšoanang.
Nako ea poso: Hlakola-06-2024