Ukuphelisa i-hydroxypropyl methylcelculose (HPMC) emanzini yindlela eqhelekileyo kumashishini ahlukeneyo, kubandakanya amayeza, ukutya, kunye nolwakhiwo. I-HPMC yi-selsulose ikhupha i-selsulose eyenza into ebonakalayo, engenabala, kunye ne-viscous xa idityaniswa namanzi. Esi sisombululo sibonisa iipropathi ezizodwa njengokutyibilika, ukubopha, ukwenziwa kwefilimu, kunye nokukhutshwa kokugcina izithako ezisebenzayo. Inkqubo yokupheliswa kwe-HPMC emanzini ibandakanya amanyathelo athile okuqinisekisa ukusasazeka ngokufanelekileyo kunye nokufana.
Intshayelelo kwi-HPMC:
I-HydroxyPOpyl Methylcelceltulose Ihambelana nokuphatha i-seluplose nge-propylene oxide ne methyl chloride. I-HPMC isetyenziswa ngokubanzi kumashishini ahlukeneyo ngenxa yokuqulunqa ifilimu yayo ebalaseleyo, ukuthambisa, ukuzinzisa, kunye neepropathi zokugcina amanzi. Izicelo eziphambili ze-HPMC zibandakanya:
Amayeza: Isetyenziswe njenge-binder, ifilimu yangaphambili, i-viscosity modifier, kunye ne-Arhente yokukhutshwa kwe-vissity kwiitafile, iicapsules, i-oyile, kunye nokunqunyanyiswa.
Umzi-mveliso wokutya: Isetyenziswe njenge-thichweyi, i-sticker, i-eulsifier, kunye nearhente yokugcina umswakama kwiimveliso zokutya ezinje ngeesosi, ubisi, kunye nezinto ezibhakiweyo.
Ulwakhiwo: Izenzo njengearhente yokugcina amanzi, imbethe, kunye ne-tickener kwizixhobo ezisekwe kwisamente, iiplanga ezisekwe kwiGypsim, kunye neTile.
I-Cosmetics: Imisebenzi njenge-thi chopler, ifilimu yangaphambili, kunye ne-emulsion stabilizer kwi-lotions, iikhrim, i-shampoos, kunye neemveliso zononophelo.
Inkqubo yokupheliswa kwe-HPMC emanzini:
Ukunyibilikisa i-HPMC emanzini kubandakanya amanyathelo amaninzi aphambili okufezekisa iyunifomu kunye nesizinzo:
Ukukhethwa kweBanga le-HPMC: Khetha inqanaba elifanelekileyo le-HPMC ngokusekwe kwi-viscofity enqwenelekayo, ubungakanani bentsumpa, kunye nenqanaba lokufaka. Amabakala ahlukeneyo anika izidanga ezahlukeneyo ze-viscofity kunye neempawu zonqulo.
Ukulungiswa kwamanzi: Sebenzisa amanzi aphumeleleyo okanye aqingqiweyo ukulungiselela isisombululo. Umgangatho wamanzi unokuchaphazela kakhulu inkqubo yokupheliswa kunye neepropathi zesisombululo sokugqibela. Kulumkele ukusebenzisa amanzi anzima okanye amanzi anezinto ezingcolileyo ezinokuphazamisa ukutshitshiswa.
Ukulinganisa kunye nokulinganisa: Ukulinganisa ngokuchanekileyo inani elifunekayo le-HPMC usebenzisa ibhalansi yedijithali. Uxinzelelo olucetyiswayo lwe-HPMC emanzini luyahluka ngokuxhomekeke kwisicelo esijongwe. Ngokubanzi, ukugxininisa kususela kwi-0.1% ukuya kwi-5% W / W iqhelekile kwizicelo ezininzi.
Inqanaba le-hydration: itshiza i-HPMC elingayo kwaye ngokulinganayo kumphezulu wamanzi ngelixa ivuselela ngokuqhubekayo. Kulumkele ukongeza i-HPMC kwiziqwengana ezinkulu ukuthintela ukwenziwa kweempuphu okanye i-agglomerates. Vumela i-HPMC kwi-hydrate kunye nokusasazeka kancinci emanzini.
Ukuxuba kunye nokuphazamiseka: Sebenzisa izixhobo ezifanelekileyo zokudibanisa ezinjenge-magnetic scirrer, umxube weprojer, okanye umxube we-sherhear, okanye umxube wesherfari ephezulu ukwenza lula ukusasazeka kwamanzi e-HPMC. Gcina ukuphazamiseka okuthambileyo ukuthintela ukungena okungaphezulu okanye ukufaka umoya.
Ulawulo lobushushu: jonga kunye nokulawula ubushushu ngexesha lenkqubo yokuphelisa. Kwiimeko ezininzi, ubushushu begumbi (20-25 ° C) lwanele ukuphelisa i-HPMC. Nangona kunjalo, ukutshitshiswa ngokukhawuleza okanye ukumiswa okuthile, amaqondo obushushu aphakamileyo anokufuneka. Kulumkele ukugqithisa, njengoko kunokuyithoba i-polymer kwaye ichaphazela iipropathi zesicombululo.
Ixesha lokuchithwa: I-HPMC epheleleyo inokuthatha iiyure ezininzi, kuxhomekeka kubungakanani bebakala, ubungakanani be-suricle, kunye nobuchule bokuphazamiseka. Qhubeka nokuxhokonxa de isisombululo sicacile, sicace, kwaye sikhululekile kumasuntswana abonakalayo okanye i-adglomerates.
I-PH yohlengahlengiso (ukuba kukho imfuneko): Kwezinye iindlela, uhlengahlengiso lwe-PH lunokuba yimfuneko ukwenza uzinzo kunye nokusebenza kwesisombululo se-HPMC. Sebenzisa iiarhente eziqinisekileyo ezifanelekileyo okanye uhlengahlengise i-AIDS okanye iziseko ngokweemfuno ezithile.
Ukuqulunqa (ukuba kuyafuneka): Emva kokupheliswa okugqibeleleyo, icebo lesisombululo se-HPMC nge-mesh sheen okanye iphepha lokucoca ukuze lisuse amasuntswana okanye ukungcola. Eli nyathelo liqinisekisa ukucaca kunye ne-homogeneity yesisombululo.
Ukugcinwa kunye nokuzinza: Gcina isisombululo se-HPMC esilungiselelwe, izikhongozeli zomoya kude nokukhanya kwelanga ngqo kunye nobushushu obugqithisileyo. Izisombululo ezigciniweyo ngokufanelekileyo zihlala zizinzile ixesha elide ngaphandle kotshintsho olubalulekileyo kwi-viscosity okanye ezinye iipropathi.
Izinto ezichaphazela ukuchithwa kwe-HPMC:
Izinto ezininzi zinokuphembelela inkqubo yokupheliswa kunye neepropathi zesisombululo se-HPMC:
Ubungakanani bentsumpa kunye nebanga: Amabanga aphezulu e-HPMC anyibilikiswe ngokulula ngakumbi kunabantu abaphumeleleyo ngenxa yokwanda kwendawo yomphezulu kunye ne-kinerication ye-kineting yendawo.
Iqondo lokushisa: Amaqondo obushushu aphezulu akhawulezisa inqanaba lokuchitheka kwe-HPMC kodwa inokukhokelela kwilahleko ye-viscofity okanye ukonakala kwiimeko ezigqithisileyo.
Isantya sokuphazamiseka: Ukuphazamiseka ngokufanelekileyo kuqinisekisa ukusasazeka kwamasuntswana e-HPMC kwaye ukhuthaza ukutshintshwa okukhulu. Ukuphazamiseka okugqithisileyo kunokwazisa iibhubhu ze-air okanye i-foam kwisisombululo.
Umgangatho wamanzi: Umgangatho wamanzi asetyenziselwa ukonakalisa uchaphazele ukucaciswa, uzinzo, kunye nohlobo lwesisombululo se-HPMC. I-phuculwe okanye amanzi anqatyisiweyo kukhethwa ukunciphisa ukungcola kunye nee-ion ezinokuphazamisa ukutshitshiswa.
Ph: I-PH yesisombululo inokuphembelela ukunyibilikisa kunye nokuzinza kwe-HPMC. Ukuhlengahlengisa i-PH ngaphakathi koluhlu olufanelekileyo kwibanga elithile le-HPMC kunokuphucula ukuchithwa kunye nokusebenza.
Amandla e-Ionic: Ukugxininiswa kweetyiwa eziphezulu okanye ii-ions kwisisombululo kunokuphazamisa ukupheliswa kwe-HPMC okanye ukubamba ingcwaba. Sebenzisa amanzi e-deenier okanye uhlengahlengise ugxininiso lwetyuwa njengoko kufuneka.
I-Shear Amandla: Ukudityaniswa kwehetari ephezulu okanye iimeko zokulungisa kunokuchaphazela iipropathi ze-rihlooc kunye nentsebenzo yesisombululo se-HPMC, ngakumbi kwizicelo zemveliso.
Iingcebiso eziKhawulezayo:
Ukuba udibana nobunzima ekupheliseni i-HPMC okanye amava emicimbi yomgangatho wesisombululo, qwalasela ezi ngcebiso zilandelayo:
Ukunyusa ukuphazamiseka: ukuphucula ububanzi bomxube okanye ukusebenzisa izixhobo zokudibanisa ezikhethekileyo ukukhuthaza ukusasazeka okungcono kunye nokuchithwa kwamasuntswana e-HPMC.
Lungisa iqondo lobushushu: Lungelelanisa iimeko zobushushu ngaphakathi kuluhlu olucetyiswayo ukulungiselela ukutshitshiswa ngokukhawuleza ngaphandle kokuzinza ngokuzinza kwe-polymer.
Ubungakanani be-Trustic
Uhlengahlengiso: Jonga i-PH yesisombululo kwaye uhlengahlengise njengoko kufuneka ugcine iimeko ezifanelekileyo ze-HPMC Solubility kunye nozinzo.
Umgangatho wamanzi: Qinisekisa ubunyulu kunye nomgangatho wamanzi asetyenziselwa ukuchithwa ngokusebenzisa iindlela ezifanelekileyo zokucoca okanye iindlela zokucaca.
UVAVANYO LOKWENZIWA: Yenza izifundo zokuqulunqwa kunye nezinye izithako zokuchonga naluphi na unxibelelwano okanye olungenamanzi lunokuchaphazela ukupheliswa.
Nxibelelana nezikhokelo zoMvelisi: Jonga kwiingcebiso zomenzi kunye nezikhokelo zamabakala athile e-HPMC ngokubhekisele kwiimeko zokuchitha, ububanzi bobuchwephesha, kunye nokuvuselela ingxaki.
Ukuphelisa i-HydroxyPOpyl Methylcelcellulose Ngokulandela iinkqubo ezicetyiswayo kwaye uqwalasele izinto eziphambili ezinjengobukhulu, ubushushu, ukuphazamiseka, kunye nomgangatho wamanzi, unokufezekisa isisombululo se-HPMC kunye ne-HPMC ye-HPMC ngeepropathi ze-HPMMC. Ukongeza, ubuchwephesha bokuzihlaziya iingxaki kunye neendlela zokuncedisa zinokunceda ukoyisa imiceli mngeni kwaye kuqinisekiswe ukutshitshiswa kwe-HPMC kwizicelo ezahlukeneyo. Ukuqonda inkqubo yokuchitheka kunye neyo
IXESHA LOKUQALA: UMar-09-2024