HydroxyproPypropinyL methylcellll. Le hoja ba tšoana, ba boetse ba bontša phapang ea bohlokoa.
HydroxypropypropyLe Methylcelllulose (HPMC):
1.Chemical sebopeho:
HPMC ke polymer ea maiketsetso e tsoang cellulose.
E na le likarolo tsa ho pheta-pheta enke ea Anhydroglucose e hokahantsoeng le hydroxypropyl le lihlopha tsa mekhoa.
2. Ts'ebetso:
Sello sa metsi: HPMC e qhibiliha ka metsing ebe e sebelisoa haholo ka liforomo tse fapaneng.
Filimi e thehang: E ka theha lifilimi tse bobebe, e etsa hore e be e loketseng likopo tse hlokang ho ba le koetliso ea tšireletso.
'Nete ea Tlhaho: E na le thepa ea likhahla e futhumatsang, e ka bang molemo likopo tse itseng.
3. Kopo:
Meriana: E sebelisoa e le banyane, ho fapana le lifilimi le magrama a lokollotsoeng - ho lokolloa lintja tsa meriana.
Indasteri ea kaho: e sebelisoang ka har'a lik'haseto tsa Tile tsa Banve, le li-pylands tse thehiloeng ho tsa gypsum le ho iphahamisa.
Indasteri ea lijo: e sebelisoang joalo ka thipa le hlorisoang lijong.
4. Tlhahiso:
E hlahisoa ke phallo ea cellulose ea nang le Cellulose Oxide le Methyl chloride.
Boemo ba sebaka (DS) se etsa qeto ea karolelano ea hydropxxproPyL le lihlopha tsa mekhoa.
MethylhlhylhyhlhylhdyyLese
1.Chemical sebopeho:
MHEC e boetse e sebetsa le hydroxexeyyl le lihlopha tsa mekhoa e hokahaneng le mokokotlo oa cellulose.
2. Ts'ebetso:
SELUBUBIT ea metsi: Joaloka hpmc, mhec ha e qhala metsi, e etsang hore e be le maemo a fapaneng lits'ebetsong tsa eona.
Ho Boloka Metsi a Ntsetlehang: MHEC hangata e bontša ho boloka metsi hantle ho HPMC.
3. Kopo:
Indasteri ea kaho: E sebelisoa haholo e le moemeli ea tonang ea litlolo tse thehiloeng sammente, likhatiso tse thehiloeng ho diapsum.
Paints le COTISS: LITLHAKISO: LIKE OVEGE MODIFIR E NANG KOTSI E TLANG LE LITLHAKU TSE KHOLO.
PharmacEucal: E sebelisoa bakeng sa ho lokolloa ha meriana ea phaello ea phaello.
4. Tlhahiso:
E hlahisoa ke turthel ea cellulose le Methyl chloride le Ethyl chloride.
Boemo ba ho ananeloa bo ama thepa le ts'ebetso ea mhcs.
Phapang lipakeng tsa hpmc le mhec:
1. Ts'ebetso ea Edition:
HPMC e atisa ho sebelisoa ho sebelisa Oxide Oxide le Methyl chloride.
MHC e hlahisoa ho sebelisa Methyl chloride le Ethyl chloride.
2. Ho Boloka Metsi:
MHEC hangata e bonts'a thepa e ntle ea ho robala ka metsi ho feta hpmc.
3. Kopo:
Le ha ho na le tse ling tse fetang, ts'ebeliso e tobileng e ka rata e mong ho latela litšobotsi tsa eona tse ikhethang.
4. Ho itšehla thajana:
HPMC e bonts'a thepa ea thermogelling, athe mhec e kanna ea ba le boitšoaro bo fapaneng ba ho bolaea.
HPMC LE MHEC e na le lits'ebetso tse fapaneng indastering ea indastering e fapaneng, 'me e mong le e mong o na le melemo e ikhethang. Khetho pakeng tsa bona e ipapisitse le litlhoko tsa ts'ebeliso e khethehileng le ts'ebetso e hlokahalang. Hore na ho haha meriana, kaho, ho utloisisa liphapang ho thusa ho etsa liqeto tse nang le tsebo ho fihlela liforomo le lits'ebetsong tse fapaneng.
Poso: Feb-19-2025