Video: Cov polymer twg yog siv rau txheej tshuaj ntsiav?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
ENTERIC POLYMERS siv rau FILM COATING OF SOLID DOSAGEFORMS: Enteric polymers tam sim no siv los pleev xim rau cov ntaub ntawv tshuaj muaj xws li qab zib , yas, thiab acrylicderivatives. Cov polymers no tuaj yeem tiv taus cov kua hauv plab yog nkag tau yooj yim lossis nkag mus tau hauv cov hnyuv.
Tom qab ntawd, dab tsi yog siv rau txheej tshuaj ntsiav?
Ib qho enteric txheej yog txheej txheem polymer siv rau ntawm qhov ncauj tshuaj uas tiv thaiv nws txoj kev tawg lossis tawg hauv lub plab ib puag ncig. Ntsiav tshuaj, mini-ntsiav tshuaj, pellets thiab granules (feem ntau tau ntim rau hauv tshuaj ntsiav shells) yog cov feem ntau enteric- coated ntau npaum ntawv.
Ib tug kuj yuav nug, dab tsi yog enteric coated capsules ua los ntawm? Cov txiaj ntsig ntawm Enteric Coated Capsules Feem ntau cov kws tsiav tshuaj yog ua los ntawm gelatine los yog tus neeg tsis noj nqaij gelatine sib npaug (feem ntau yog daim ntawv ntawm cellulose). Cov ntaub ntawv no yaj nyob rau hauv pH uas tsis muaj pais plab kua txiv hauv plab.
Ib yam nkaus, tib neeg nug, txheej txheej polymer yog dab tsi?
A polymer txheej yog xim los yog txheej uas yog ua nrog polymers . A polymer yog cov substancethat muaj cov qauv txheej txheem uas feem ntau muaj cov lej loj ntawm cov chav zoo sib xws. Qhov no suav nrog cov khoom siv hluavtaws organic xws li resins thiab plastics.
Cov ntsiav tshuaj qab zib coated yog dab tsi?
(Tshuaj: Txheej Txheem) A. qab zib - ntsiav tshuaj coated yog coated nrog qab zib kom zais qhov qab. COV LUS: ~ ntsiav tshuaj . A qab zib - coatedtablet tej zaum yuav saj sweeter dua ib zaj duab xis- coated ntsiav tshuaj . Thehard txheej ntawm a qab zib - coated ntsiav tshuaj zoo ib yam li qab zib txheej ntawm qee cov khoom qab zib.
Pom zoo:
Cov ntsiav tshuaj daim ntawv twg muaj cov txheej tshwj xeeb uas tiv thaiv lub plab acid thiab ua rau cov tshuaj yaj hauv cov hnyuv?
Cov txheej txheej enteric yog cov txheej txheem polymer siv rau ntawm cov tshuaj hauv qhov ncauj uas tiv thaiv nws txoj kev tawg lossis tsis tawg hauv ib puag ncig lub plab
Dab tsi yog txheej txheej ntawm cov ntsiav tshuaj?
Cov txheej txheej zaj duab xis yog txheej txheej txheej txheej tuab uas siv los ua cov tshuaj hnyav xws li ntsiav tshuaj. Lub thickness ntawm xws li txheej yog feem ntau ntawm 20-100 µm. Nws muaj peev xwm ua raws li cov nyhuv curing dynamic ntawm cov ntsiav tshuaj txheej txheej txheem los ntawm kev siv cov txheej txheem tsis muaj kev puas tsuaj
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