K'hemik'hale ea letsatsi le letsatsi ea hydroxypropyl methylcellulose ke polymer ea maiketsetso e entsoeng ka lithara tsa k'hothone tsa cellulose ka phetoho ea etherification. Cellulose ether e tsoa ho cellulose ea tlhaho. Tlhahiso ea cellulose ether e fapane le li-polymers tsa maiketsetso. Thepa ea eona ea mantlha ke cellulose, motsoako oa tlhaho oa polymer. Ka lebaka la ho khetheha ha sebopeho sa cellulose ea tlhaho, selulose ka boeona ha e na bokhoni ba ho itšoara ka li-etherification agents. Leha ho le joalo, ka mor'a ho phekoloa ha moemeli oa ho ruruha, maqhama a matla a hydrogen pakeng tsa liketane tsa molek'hule le liketane li senyeha, 'me ho lokolloa ka mafolofolo ha sehlopha sa hydroxyl ho fetoha selulose e sebetsang ea alkali. Fumana ether ea cellulose.
K'hemik'hale ea letsatsi le letsatsi ea hydroxypropyl methylcellulose ke phofo e tšoeu kapa e mosehla hanyane, 'me ha e na monko, ha e na tatso ebile ha e na chefo. Mokelikeli o ka qhalakantsoeng ka potlako metsing a batang 'me o kopantsoe le lintho tse phelang,' me o fihla boemong bo phahameng ka ho fetisisa ka metsotso e seng mekae ho etsa tharollo ea viscous e hlakileng. Mokelikeli oa metsi o na le ts'ebetso ea holim'a metsi, pepeneneng e phahameng, botsitso bo matla, 'me ha o amehe ke pH ha o qhibiliha metsing. E na le liphello tse teteaneng le tse thibelang ho hatsela ho li-shampoo le li-gels tsa shaoara, 'me e na le ho boloka metsi le thepa e ntle ea ho etsa filimi bakeng sa moriri le letlalo. Ka ho phahama ho hoholo ha lisebelisoa tsa mantlha tse tala, selulose (antifreeze thickener) e sebelisoang ka sesepa sa ho hlatsoetsa liaparo, shampoo, gel ea shaoara e ka fokotsa litšenyehelo haholo mme ea fihlela phello e lakatsehang.
Likarolo le melemo ea letsatsi le letsatsi ea lik'hemik'hale tsa metsi a batang hang-hang cellulose HPMC:
1. Ho halefa ho fokolang, mocheso o phahameng le ho se chefo;
2. Ho tsitsa ha boleng ba pH e pharaletseng, e ka netefatsang botsitso ba eona ka har'a mefuta e mengata ea pH ea 3-11;
3. Ntlafatsa maemo;
4. Eketsa foam, tsitsisa foam, ntlafatsa letlalo la letlalo;
5. Ho ntlafatsa ka katleho metsi a tsamaiso.
6. Ho bonolo ho e sebelisa, ho kenngoa metsing a batang ho potlakela ho qhala ntle le ho kopanya
Sebaka sa ts'ebeliso ea letsatsi le letsatsi ea cellulose ea lik'hemik'hale tsa HPMC:
E sebelisoa ka sesepa sa ho hlatsoetsa liaparo, shampoo, ho hlatsoa 'mele, sehloeki sa sefahleho, lotion, tranelate, gel, toner, conditioner, lihlahisoa tsa setaele, sesepa sa meno, se hlatsoang molomo, metsi a bubble ea ho bapala.
Karolo ea letsatsi le letsatsi ea cellulose ea lik'hemik'hale tsa HPMC:
Lits'ebetsong tsa litlolo, e sebelisoa haholo bakeng sa ho tenya, ho foka, emulsification e tsitsitseng, ho hasana, ho khomarela, ntlafatso ea thepa ea ho etsa filimi le ho boloka metsi ea litlolo, lihlahisoa tse phahameng tsa viscosity li sebelisetsoa ho teteaneng, lihlahisoa tse tlaase tsa viscosity li sebelisoa haholo-holo bakeng sa ho emisoa. ho hasana le ho etsa lifilimi.
Theknoloji ea letsatsi le letsatsi ea cellulose ea HPMC ea lik'hemik'hale:
Viscosity ea hydroxypropyl methyl fiber e loketseng indasteri ea letsatsi le letsatsi ea lik'hemik'hale ke haholo-holo 100,000, 150,000, le 200,000. Ka kakaretso, viscosity e phahameng e sebelisoa haholo, 'me phello e teteaneng ke eona e ntle ka ho fetisisa. Ho latela mokhoa oa hau, kakaretso ea kenyelletso sehlahisoa hangata ke 1,000. Likarolo tse 2 ho isa ho tse 4 ho sekete.
Mehato ya tlhokomelo
hydroxypropyl methylcellulose ea letsatsi le letsatsi ea lik'hemik'hale tse sa tšoaneleheng e bonts'a pepenene e fokolang, phello e mpe ea ho teteana, ho fokotseha ka mor'a ho boloka nako e telele, 'me likarolo tse ling li ka ba tsa hlobo. E le ho qoba pula ea cellulose nakong ea ts'ebeliso, e lokela ho tsosoa pele ho ts'oana ho hlaha. tshebediso.
Nako ea poso: Apr-14-2023