Hypromellose ea Sehlopha sa Letsatsi le Letsatsi ke polymer ea limolek'hule ea maiketsetso e entsoeng ka cellulose ea tlhaho ka phetoho ea lik'hemik'hale. Cellulose ether ke sehlahisoa sa cellulose ea tlhaho. Ho fapana le li-polymer tsa maiketsetso, cellulose ether e entsoe ka cellulose, e leng macromolecule ea tlhaho. Ka lebaka la sebopeho se ikhethang sa cellulose ea tlhaho, cellulose ka boeona ha e na bokhoni ba ho arabela le moemeli oa etherifying. Empa kamora kalafo ka li-agent tsa ho ruruha, litlamo tse matla tsa haedrojene pakeng le ka hare ho liketane tsa limolek'hule lia robeha, 'me lihlopha tse sebetsang tsa hydroxyl li lokolloa ho ba cellulose ea alkali e sebetsang, ether ea cellulose e fumanoe ka karabelo ea sehlopha sa OH ho sehlopha sa OR ka moemeli oa etherification. Hypromellose ea viscosity ea 200,000 e sebelisitsoeng ho Max ke phofo e tšoeu kapa e mosehla. E ka qhibilihisoa ka metsing a batang le motsoako oa organic oa li-solvents, e etsa tharollo e bonaletsang e nang le viscous. Tharollo ea metsi e na le ts'ebetso ea bokaholimo, ponaletso e phahameng le botsitso bo matla, 'me ho qhibiliha ha eona ka metsing ha ho angoe ke pH. Ka shampoo, ho teteana ha gel ea shaoara, phello ea ho thibela ho hoamisa, moriri, metsi a letlalo le ho theha filimi hantle. Ka ho eketseha ha thepa ea mantlha e tala, cellulose (sesebelisoa se thibelang ho hatsela) se ka boela sa sebelisoa ka shampoo 'me shaoara ea gel e ka fokotsa litšenyehelo haholo le ho fihlela liphetho tse lakatsehang.
Litšobotsi le melemo ea hypromellose ea letsatsi le letsatsi ea HPMC ke: 1) ho teneha, bonolo, 2) botsitso bo pharaletseng ba pH, bo ka tiisetsoang ka har'a pH ea 3-11,3) ho ntlafatsa boemo; 4, ho eketsa foam, botsitso ba foam, ho ntlafatsa letlalo; 5, ho ntlafatsa ho phalla ha tsamaiso ka katleho. Hypromellose ea letsatsi le letsatsi ea HPMC e sebelisoa ka li-shampoo, ho hlatsoa 'mele, ho hloekisa sefahleho, litlolo, litlolo, li-gel, li-toners, li-conditioner tsa moriri, lihlahisoa tsa setaele, sesepa sa meno, sesepa le libate tsa li-bubble tsa ho bapala. Karolo ea hypromellose ea HPMC lits'ebetsong tsa botle, e sebelisoa haholo-holo bakeng sa ho teteana, ho foamisa, ho kopanya emulsification e tsitsitseng, ho hasanya, ho khomarela, ho etsa filimi le ho boloka metsi a litlolo, lihlahisoa tse nang le viscosity e ngata tse sebelisetsoang ho teteana, lihlahisoa tse nang le viscosity e tlase li sebelisoa haholo-holo bakeng sa ho hasanya le ho etsa filimi ea hypromellose ea HPMC. Likhoele tsa methyl tsa Hydroxypropyl li loketse indasteri ea lik'hemik'hale ea letsatsi le letsatsi ka viscosity ea 100,000,150,000,200,000, ho latela mokhoa oa bona oa ho khetha bongata ba tlatsetso sehlahisoa hangata ke karolo ea likete tse tharo ho isa ho tse hlano tsa litlhaloso tsa sephutheloana: 25 kg/mokotla
Nako ea poso: Mphalane-23-2023