1. Ukugcinwa kwamanzi: I-HPMC ingathuthukisa ngokuphawulekayo ukugcinwa kwamanzi kodaka, okubalulekile ukuvimbela udaka ekulahlekelweni kwamanzi ngokushesha phakathi nenqubo yokwelapha ngaphansi kwamazinga okushisa aphakeme, ikakhulukazi ezindaweni ezinezinga lokushisa eliphansi. Ukusebenza kahle kokugcinwa kwamanzi kuqinisekisa ukugeleza okwanele kukasimende futhi kuthuthukisa amandla nokuqina kodaka.
2. Amandla e-Flexural namandla acindezelayo: Ngaphansi kwezimo zokushisa eziphansi, i-HPMC ingase inciphise amandla aguquguqukayo futhi acindezelayo wezibonelo zodaka lukasimende ngemva kokufakwa kukasimende ngenxa yokungena emoyeni. Kodwa-ke, uma usimende ufakwa emanzini ekuhlakazweni kwe-HPMC encibilikisiwe emanzini, amandla aguquguqukayo nawokucindezela amasampula odaka lukasimende azokhuphuka uma kuqhathaniswa nosimende ofakwe amanzi kuqala bese ehlanganiswa ne-HPMC.
3. Ukumelana nokuqhekeka: I-HPMC ingathuthukisa imodulus enwebekayo nokuqina kodaka, inciphise ngempumelelo ukuvela kwemifantu, ithuthukise ukumelana nokuqhekeka kodaka, futhi yandise impilo yayo yesevisi. Lokhu kubaluleke kakhulu ngesikhathi sokushintsha kwezinga lokushisa okwedlulele, okungase kubangele ukuthi udaka luqhekeke.
4. Ukumelana ne-alkali nokuzinza: I-HPMC isengagcina ukusebenza kwayo okuhle kakhulu endaweni ene-alkali ngaphandle kokuwohloka noma ukuwohloka kokusebenza, ngaleyo ndlela iqinisekise ukusebenza kahle kwesikhathi eside nokuzinza kodaka.
5. Ukusebenza okushisayo: Ukwengezwa kwe-HPMC kungakhiqiza izinto ezilula futhi kunciphise isisindo. Lesi silinganiso esiphezulu se-void sisiza ngokufaka ukushisa okushisayo futhi singanciphisa ukuqhutshwa kukagesi kwezinto ngenkathi kugcinwa cishe inani eligxilile uma lingaphansi kokushisa okufanayo. ukugeleza kokushisa. Ukumelana nokudlulisa ukushisa ngephaneli kuyahlukahluka ngenani le-HPMC elingeziwe, ngokufakwa okuphezulu kakhulu kwesengezo okuholela ekwenyukeni kokumelana nokushisa uma kuqhathaniswa nengxube yereferensi.
6. Uketshezi nokusebenza kahle: I-HPMC ingenza udaka lubonise uketshezi olungcono ngaphansi kwamandla aphansi okugunda futhi kulula ukulisebenzisa kanye neleveli; ngenkathi ingaphansi kwamandla aphezulu we-shear, udaka lubonisa i-viscosity ephakeme futhi luvimbela i-Sag nokugeleza. Le thixotropy eyingqayizivele yenza udaka lube bushelelezi ngesikhathi sokwakha, lunciphise ubunzima bokwakha kanye nokuqina kwabasebenzi.
7. Ukuzinza kwevolumu: Ukwengezwa kwe-HPMC kungase kuthinte ukuqina kwevolumu yodaka. Kudaka lokuzilinganisa, ukungezwa kwe-HPMC kubangela inani elikhulu lezimbotshana ukuthi lihlale odakeni ngemva kokuba udaka luqina, okuholela ekwehleni kwamandla okucindezela kanye namandla okuguquguquka kodaka oluzilinganisa.
I-HPMC inomthelela omkhulu ekusebenzeni kodaka ngaphansi kwamazinga okushisa aphezulu. Ingathuthukisa ukugcinwa kwamanzi, ukumelana nokuqhekeka, ukumelana ne-alkali nokusebenza okushisayo kodaka, kodwa kungase kuthinte amandla ayo nokuzinza kwevolumu. Ngakho-ke, ekusetshenzisweni okungokoqobo, umthamo kanye nokucaciswa kwe-HPMC kudingeka kukhethwe ngokunengqondo ngokusekelwe ezimeni ezithile zemvelo kanye nezidingo zokusebenza ukuze kuzuzwe ukusebenza okuhle kakhulu kodaka.
Isikhathi sokuthumela: Oct-26-2024