Ukulungiselela i-Hydroxypropyllyrpropyl methylcellulose (HPMC) Solution kuyinqubo eyisisekelo emikhakhelweni yezemithi nokudla. I-HPMC iyi-polymer evame ukusetshenziswa ekwakhiweni kwama-coating ngenxa yezakhiwo zayo ezinhle kakhulu zefilimu, ukuqina, kanye nokuhambisana nezithako ezahlukahlukene ezisebenzayo. Izixazululo ze-Coating zisetshenziselwa ukudlulisa izingqimba ezivikelayo, amaphrofayli wokulawula izilawuli, futhi athuthukise ukubukeka nokusebenza kwamathebulethi, amaphilisi, nezinye izinhlobo zombano eziqinile.
1. Izinto ezidingekayo:
I-Hydroxypropyl methylcellulose (HPMC)
Solvent (imvamisa amanzi noma ingxube yamanzi notshwala)
I-Plistic (Ngokuzithandela, Ukuthuthukisa Ukuguquguquka Kwefilimu)
Ezinye izengezo (ngokuzithandela, ezifana nama-colorants, opacifiers, noma ama-anti-tacking agents)
2. Imishini edingekayo:
Ukuxuba umkhumbi noma isitsha
I-Stirrer (Mehendical noma uMagnetic)
Isilinganiso sebhalansi
Umthombo wokushisa (uma kudingeka)
Isihlungo (uma kunesidingo sokususa izigaxa)
Imitha ye-Ph Meter (Uma ukulungiswa kwe-PH kuyadingeka)
Amagiya okuphepha (amagilavu, ama-goggles, ijazi lelebhu)
3. Inqubo:
Isinyathelo 1: Ukukala izithako
Kala inani elidingekayo le-HPMC usebenzisa ibhalansi enesisindo. Inani lingahluka ngokuya ngokuhlushwa okufunayo kwesisombululo se-coating kanye nosayizi we-batch.
Uma usebenzisa ipulasitiki noma ezinye izengezo, ukukala inani elidingekayo.
Isinyathelo 2: Ukulungiselela i-solvent
Nquma uhlobo lwe-solvent oluzosetshenziswa ngokususelwa kwisicelo kanye nokuhambisana nezithako ezisebenzayo.
Uma usebenzisa amanzi njenge-solvent, qiniseka ukuthi ubumsulwa obukhulu futhi buhlotshiswe kahle noma nge-deionized.
Uma usebenzisa ingxube yamanzi notshwala, nquma isilinganiso esifanele ngokususelwa ku-solubility ye-HPMC kanye nezimpawu ezifiselekayo zesisombululo se-coating.
Isinyathelo 3: Ukuxuba
Beka isitsha sokuxuba ku-Stirrer bese ufaka i-solvent.
Qala ukushukumisa i-solvent ngesivinini esilinganiselwe.
Kancane kancane engeza i-HPMC enesisindo esilinganiswayo ku-solvent evusa amadlingozi ukugwema ukuqina.
Qhubeka uvuse kuze kube yilapho i-HPMC powder ihlakazeka ngokufana ku-solvent. Le nqubo ingathatha isikhathi, kuya ngokuthi i-HPMC kanye nokusebenza kahle kwemishini evusa amadlingozi.
Isinyathelo 4: Ukushisa (uma kudingeka)
Uma i-HPMC ingancibiliki ngokuphelele ekushiseni kwegumbi, ukufudumeza okumnene kungadingeka.
Shisisa ingxube ngenkathi ivuselela kuze kube yilapho i-HPMC ichithwe ngokuphelele. Qaphela ukuthi ungangenzi ngokweqile, njengoba izinga lokushisa ngokweqile lingadalula i-HPMC noma ezinye izakhi zesisombululo.
Isinyathelo 5: Isengezo sePlositiki nezinye izengezo (uma kusebenza)
Uma usebenzisa ipulasitiki, engeza kusisombululo kancane kancane ngenkathi uvusa.
Ngokufanayo, engeza ezinye izengezo ezifiselekayo ezifana nama-colorants noma ama-opacifiers kulesi sigaba.
Isinyathelo 6: Ukulungiswa kwe-PH (uma kunesidingo)
Bheka i-PH yesisombululo se-coating usebenzisa imitha ye-PH.
Uma i-PH iphelelwe ebangeni elifunekayo lokuqina noma izizathu zokuhambisana, zilungise ngokungeza inani elincane lezixazululo ze-acidic noma eziyisisekelo ngokufanele.
Govuza ikhambi kahle ngemuva kokungezwa ngakunye futhi uphinde uhleke kabusha i-PH kuze kufinyelelwe ezingeni elifunayo.
Isinyathelo 7: Ukuxubana kokugcina nokuhlola
Lapho zonke izingxenye zingezwa futhi zixutshwe kahle, qhubeka uvuselelwa imizuzu embalwa ukuqinisekisa i-homogeneity.
Yenza noma iziphi izivivinyo ezisezingeni elifanele njengokulinganiswa kwe-viscosity noma ukuhlolwa okubonakalayo kwanoma yiziphi izimpawu zokwahlukana noma ukuhlukaniswa kwesigaba.
Uma kudingeka, dlulisa isixazululo ngesihlungo sokususa noma yiziphi izigaxa ezisele noma izinhlayiya ezingalungile.
Isinyathelo 8: Isitoreji nokupakishwa
Dlulisa isixazululo se-HPMC elungiselelwe i-HPMC ibe iziqukathi ezifanele zokugcina, okungcono amabhodlela engilazi e-amber noma iziqukathi zepulasitiki ezisezingeni eliphakeme.
Faka ilebula iziqukathi ngolwazi oludingekayo njengenombolo ye-batch, usuku lokulungiselela, ukugxilisa ingqondo, kanye nezimo zokugcina.
Gcina ikhambi endaweni epholile, eyomile evikelekile ekukhanyeni nasemswakama ukuze ulondoloze ukuqina kwalo kanye nempilo yalo.
4. Amathiphu kanye nokucatshangelwa:
Njalo landela imikhuba emihle yelebhu kanye nemihlahlandlela yezokuphepha lapho uphatha amakhemikhali nemishini.
Gcina inhlanzeko kanye nokuqina kwenqubo yonke ukugwema ukungcoliswa.
Hlola ukuhambisana kwesixazululo se-coating nge-substrate ehlosiwe (amaphilisi, ama-caplule) ngaphambi kwesicelo esikhulu.
Yenza izifundo zokuqina ukuze uhlole ukusebenza kwesikhathi eside kanye nezimo zokugcina zesisombululo se-coating.
Bhala inqubo yenqubo yokulungiselela futhi ugcine amarekhodi ngezinhloso zokulawula ezisezingeni eliphezulu kanye nokulandela umthetho wokulawula.
Isikhathi Sokuthumela: Mar-07-2024