Hydroxypropyl cellulose e nkang sebaka sa hydroxypropy E fetotsoe haholo ka mabaka a lik'hemik'hale ho ntlafatsa alloubity ea eona, ho etsa lintho, le lits'ebetso tse ling tse fapaneng tsa mesamaisi le meriana.
1. Selelekela ho cellulose le li-rightvative:
Celllosese Sllsaccharide e tsamaisang polysaccharide ea Glucose e hokahantsoeng ke Β (1 → Ke e 'ngoe ea biopolymers tse ngata ka ho fetisisa lefatšeng, haholo-holo tse behiloeng ka tlung ea limela tse kang pulp ea lehong, k'hothone le lijalo tse ling.
Lipehelo tsa li-cellulose: Ho lekanya nomoro ea lik'hemik'hale ho fana ka matla a tsoang ka thepa e ikhethang. Lits'ebetso tsena li kenyeletsa lihlopha tsa hydroyl tse nang le litloholo tsa hydroulose tse nang le lihlopha tse fapaneng tse nang le li-derivaxethyl cellulose.
2. Synthesis ea hydroxypropypropyl cellulose:
Ho feto-fetoha ha lik'hemik'hale: Hydroxypropyl celdroxypropyl celdroxyl e kenngoeng ka ho etsa qhobosheane ea celloulose ea nang le cholene Oxide ho boteng ba kano. Ts'ebetso ena e lebisa ho kemiso ea lihlopha tsa hydroxyl ka lihlopha tsa hydroxypropyl.
Degree of Sin degree: DS) e bua ka palo ea li-hydroxypropyl ka sehlopha sa Glucose ka ketane ea Glucose. Melao e phahameng ea DS e bonts'a sebaka se pharalletseng haholoanyane, e bakoang ke hydroxypropypropyl cellulose.
3. Thepa ea hydroxypropypropyl celluulose:
SELLE: HSPC e qhibiliha ka tloaelo metsing, ethanol le li-solvent tse ling. Boemo ba nkelehang bo susumetsa litšusumetso tsa eona tsa kutloano le pono.
Viscosity: Hydroxypropyl condroxypropyl e bonts'a pono e phahameng ka tharollo, e etsang hore e be e loketseng indastering e fapaneng.
Ho tsitsipalla ho futhumatsang: Hshpc e bontša botsitso bo botle ba botjha, ba boloka thepa ea eona ea mocheso o fapaneng mochesong o fapaneng.
Ho lumellana: E lumellana le li-Polymers tse ling tse ngata le litlatsetso tse tloaelehileng ho etsa liforomo tsa meriana le tsa indasteri.
4. Likopo tsa Hydroxypropyl celluulose:
Pharmaceutical: Hshpc e sebelisoa haholo ka litlhahiso tsa meriana e le chelete, filimi e ne e le motsoala, vified modical le litafole le lifoto.
Lihlahisoa tsa tlhokomelo: e sebetsa lihlahisoa tse fapaneng tsa tlhokomelo ea motho ea tšoanang le litlolo, maikutlo, shampoos, le gels ho fana ka pono le ho ntlafatsa sebopeho.
Indasteri ea lijo: Hydroxypropyl clloulose e kentsoeng e sebelisoa indastering ea lijo e le thipa, lesifari le lihlahisoa tse kang liso.
Likotsi le likhathatso: Ka lebaka la thepa ea eona e etsang lifilimi, li fumana likopo tsa ho bolaoa ke mekhoa e metle le boitlamo ba ho holisa borena.
Lits'ebetso tsa indasteri: E sebetsa lits'ebetsong tse fapaneng tsa indasteri, masela a thepa le lisebelisoa tsa kaho bakeng sa eona.
5. Litlholisano tsa nako e tlang le mathata:
Lits'ebetso tsa biomedical: Ha e le lipatlisiso tse sa feleng, HSPC e ka fumana likopo tse ncha masimong a biomellical, ho kenyeletsa litsamaiso tsa ho tsamaisa lithethefatsi, boenjiniere ba lisele le pholiso ea li-tushu.
Tšusumetso ea tikoloho: Joalo ka phello efe kapa efe ea lik'hemik'hale ea HHPC Synthes, 'me ho lokela ho tsotelloa ka hloko,' me ho lokela ho tsotelloa ka hloko mekhoa le lits'ebetso tsa ho sebelisa bocha.
Mehopolo ea likhamphani: mekoloto e laoloang e kang FDA (lijo le ea lithethefatsi) Qoba likopo tse matlafatsang le tsa lijo, ho latela melao ea polokeho le ea lijo.
Heldroxypropyl celluulose e nkileng hydroxypropyl ke polymer e feto-fetohang Theo ea eona e ikhethileng e etsa hore e be ea bohlokoa indaling e fapaneng, ho kopanyelletsa le mekhabiso, tlhokomelo ea botho, lijo, bokhele le litšōmo. E ile ea tsoela pele ho etsa lipatlisiso ka mekhoa ea sona ea synthesis, thepa le likopo tsa eona li tšepisa ho bula bokhoni bona ba callloulose e matla. Leha ho le joalo, ho bohlokoa ho sebetsana le mathata a kang phello ea tikoloho le taolo ea taolo ea tikoloho ho netefatsa tšebeliso e tsitsitseng le ea ikarabellang nakong e tlang.
Poso: Feb-18-2025