Umehluko phakathi kwe-HPS ne-HPMC
I-Hydroxypropyl isitashi(HPS) kanyeI-Hydroxypropyl methyl cellulose(HPMC) ama-polysaccharides amabili asetshenziswa kakhulu ezimbonini ezahlukahlukene, kufaka phakathi imithi, ukudla, kanye nokwakha. Ngaphandle kokufana kwazo, i-HPS ne-HPMC inomehluko ohlukile ezimpahleni zazo zomzimba namakhemikhali, kanye nezindima zazo zokusebenza. Kulesi sihloko, sizohlola umehluko phakathi kwe-HPS ne-HPMC ngokwesakhiwo samakhemikhali, izakhiwo, kanye nokusetshenziswa kwayo.
Isakhiwo Samakhemikhali
I-HPS iwumphumela wesitashi otholakala ngokushintsha amakhemikhali isitashi semvelo ngamaqembu e-hydroxypropyl. Amaqembu e-hydroxypropyl anamathiselwe emaqenjini e-hydroxyl ku-molecule yesitashi, okuholela ekubeni isitashi esishintshiwe esinokuncibilika okuthuthukisiwe nokuzinza. I-HPMC, ngakolunye uhlangothi, iphuma ku-cellulose etholakala ngokushintsha amakhemikhali i-cellulose ngamaqembu e-hydroxypropyl kanye ne-methyl. Amaqembu e-hydroxypropyl anamathiselwe emaqenjini e-hydroxyl ku-molecule ye-cellulose, kuyilapho amaqembu e-methyl enamathele kumayunithi e-anhydroglucose.
Izakhiwo
I-HPS ne-HPMC zinezici zomzimba nezekhemikhali ezihlukile ezizenza zifanelekele izinhlelo zokusebenza ezahlukene. Izici ze-HPS zifaka:
- Ukunyibilika: I-HPS iyancibilika emanzini futhi ingakha izixazululo ezicacile ezindaweni eziphansi.
- I-Viscosity: I-HPS ine-viscosity ephansi uma iqhathaniswa ne-HPMC namanye ama-polysaccharides.
- Ukuzinza: I-HPS izinzile emazingeni okushisa ahlukahlukene kanye namazinga e-pH futhi imelana nama-enzyme nezinye izinto ezilimazayo.
- I-Gelation: I-HPS ingakha amajeli aguquguqukayo ngokwe-thermal ekugxilweni okuphezulu, okuyenza ifanelekele ukudla okuhlukahlukene kanye nezicelo zemithi.
Izici ze-HPMC zihlanganisa:
- Ukunyibilika: I-HPMC iyancibilika emanzini futhi yenza izixazululo ezicacile ezindaweni eziphansi.
- I-Viscosity: I-HPMC ine-viscosity ephezulu futhi ingakha izixazululo ze-viscous ngisho nasezintweni eziphansi.
- Ukuzinza: I-HPMC izinzile ebangeni elibanzi lamazinga okushisa namazinga e-pH futhi imelana nama-enzyme nezinye izinto ezilimazayo.
- Ikhono lokwenza ifilimu: I-HPMC ingakha amafilimu azacile, aguquguqukayo awusizo ezinhlelweni ezehlukene zemithi nezimonyo.
Izinhlelo zokusebenza
I-HPS ne-HPMC zinezinhlelo zokusebenza ezihlukile ngenxa yezakhiwo zazo ezihlukile. Izinhlelo zokusebenza ze-HPS zihlanganisa:
- Ukudla: I-HPS isetshenziswa njengokuqinisa nokuqiniswa emikhiqizweni ehlukahlukene yokudla, njengamasoso, amasobho, nezinto zokugqoka.
- Ezemithi: I-HPS isetshenziswa njengesihlanganisi kanye nesibulala-magciwane kumaphilisi namaphilisi kanye nanjengemoto yokulethwa kwezidakamizwa.
- Ukwakhiwa: I-HPS isetshenziswa njenge-thiener kanye ne-binder emikhiqizweni esekwe usimende, njengodaka nokhonkolo.
Izicelo ze-HPMC zifaka:
- Ukudla: I-HPMC isetshenziswa njenge-thickener ne-stabilizer emikhiqizweni ehlukahlukene yokudla, njengo-ayisikhilimu, iyogathi, nezimpahla ezibhakiwe.
- Ezemithi: I-HPMC isetshenziswa njenge-binder, disintegrant, kanye ne-ejenti eyenza ifilimu kumaphilisi namaphilisi kanye nanjengemoto yokulethwa kwezidakamizwa.
- Ukunakekelwa Komuntu Siqu: I-HPMC isetshenziswa emikhiqizweni ehlukahlukene yokunakekela abantu, njengezigcobo, ama-shampoos, nezimonyo, njengento ejiya futhi eqinisayo.
- Ukwakhiwa: I-HPMC isetshenziswa njenge-thiener kanye ne-binder emikhiqizweni esekwe usimende, njengodaka nokhonkolo, nanjenge-ejenti yokunameka yezinto zokwakha.
Isiphetho
Sengiphetha, i-HPS ne-HPMC zingama-polysaccharides amabili asetshenziswa kabanzi ezinhlelweni ezihlukene zezimboni. I-HPS iwukuphuma kwesitashi okune-viscosity ephansi uma kuqhathaniswa, ekwazi ukubuyiselwa emuva ngokushisa, futhi izinzile emazingeni okushisa ahlukahlukene kanye namazinga e-pH. I-HPMC, ngakolunye uhlangothi, iwukuphuma kwe-cellulose ene-viscosity ephezulu, ingenza amafilimu amancane, aguquguqukayo, futhi futhi izinzile emazingeni okushisa ahlukahlukene kanye namazinga e-pH. Umehluko phakathi kwalezi zinhlanganisela ezimbili uzenza zifanelekele ukusetshenziswa okuhlukene ezimbonini ezihlukahlukene, kuhlanganise nokudla, imithi, ukunakekelwa komuntu siqu, kanye nokwakhiwa.
Ngokwesakhiwo sazo samakhemikhali, i-HPS iyisitashi esilungisiwe esiqukethe amaqembu e-hydroxypropyl, kuyilapho i-HPMC iyiselulosi eshintshiwe equkethe womabili amaqembu e-hydroxypropyl kanye ne-methyl. Lo mehluko ekwakhekeni kwamakhemikhali unomthelela ezakhini ezihlukile zomzimba namakhemikhali zalezi zinhlanganisela, njengokuncibilika, i-viscosity, ukuzinza, kanye ne-gelation noma ikhono lokwenza ifilimu.
Ukusetshenziswa kwe-HPS ne-HPMC nakho kuhlukile ngenxa yezakhiwo zazo ezihlukile. I-HPS ivamise ukusetshenziswa njenge-thickener and stabilizer emikhiqizweni yokudla, i-binder ne-disintegrant kwezemithi, kanye ne-thickener ne-binder ezintweni zokwakha. Khonamanjalo, i-HPMC isetshenziswa kabanzi njenge-thickener kanye ne-stabilizer emikhiqizweni yokudla, i-binder, i-disintegrant, kanye ne-ejenti eyenza ifilimu kwezemithi, i-thickener kanye ne-stabilizer emikhiqizweni yokunakekelwa komuntu siqu, kanye ne-thickener, binder, ne-ejenti yokunamathela ezintweni zokwakha.
Kafushane, i-HPS ne-HPMC zingama-polysaccharide amabili asetshenziswa kakhulu anezakhiwo zamakhemikhali ezihlukile, izakhiwo zomzimba namakhemikhali, kanye nezicelo ezimbonini ezahlukahlukene. Ukuqonda umehluko phakathi kwalezi zinhlanganisela ezimbili kubalulekile ekukhetheni izinto ezifanele zezinhlelo zokusebenza ezithile kanye nokuthuthukisa ukusebenza kwazo ezinqubweni ezihlukahlukene zezimboni.
Isikhathi sokuthumela: Mar-18-2023