I-HydroxyPOpyTelmethylcelcelcelcelcelcelcelcebalose (i-HPMC) i-selsulose isebenza ngokufuthi isetyenziswa kwimizi-mveliso eyahlukeneyo, kubandakanya amayeza, ulwakhiwo kunye nokutya. U-Viscosity wayo unokwahluka ngokuxhomekeka kwizinto ezinje ngobunzima bemolekyuli, isidanga sokufaka endaweni, kunye nokuhlaziywa kwesisombululo.
Intshayelelo kwi-HydroxyPOpyl Methylcelceluplose (HPMC)
I-Hydroxypropyl Methylcelcelcelose yi-polymer ye-semi-syntmer efunyenwe ngokutshintsha kweekhemikhali kwe-seluplose. Ngenxa yepropathi yayo eyahlukileyo, isetyenziswa ngokubanzi njenge-thicker, iarhente yegicker, ifilimu yangaphambili kunye nokuzinzisa kwizicelo ezahlukeneyo.
Ubume bemolekyuli kunye nokuqulunqwa
I-HPMC iqulathe i-sellose yeselfowuni kunye ne-hydroxylpropys kunye ne-AFFISS. Inqanaba lokufakwa endaweni (DS) libhekisa kwinani eliphakathi lokuthenga izinto nge-Anhhydroglucose kwikhonkco leselselose. Ixabiso elithile le-DS lichaphazela iipropathi zomzimba kunye neekhemikhali ze-HPMC.
I-HPMC Viscosity
I-Viscosity yiparameter ebalulekileyo ye-HPMC, ngakumbi kwizicelo ezisebenzisa iipropathi zayo zokutshutshiswa kunye nokugcwala.
UVenkile weZilungitho ze-HPMC uyachaphazeleka ngezinto ezininzi:
I-1. Ubunzima bemolekyuli
Ubunzima bemolekyuli ye-HPMC buchaphazela i-viscofity yayo. Ngokubanzi, i-HPMSURE ephezulu ye-HPMSS ivele ivele ivelisa izisombululo ze-viscofity eziphezulu. Kukho amabakala ahlukeneyo e-HPMC kwimarike, nganye inolwalo lwayo oluchongiweyo lwemolekyuli.
2. Inqanaba lokufakwa endaweni (DS)
Ixabiso le-DS le-hydroxypropy kunye namaqela e-AFGISY ichaphazele ukugcwala kunye nokubonisa i-HPMC. Iinqobo eziphezulu ze-DS ngokubanzi zikhokelela ekunyukeni kokungasebenzi kwamanzi kunye nezisombululo ezikrwelayo.
3. Uxinzelelo
Ukuxinezeleka kwe-HPMC kwisisombululo yinto ephambili echaphazela uVeksisity. Njengoko uxinzelelo luyenyuka, i-viscofity ihlala inyuka. Olu lwalamano luhlala luchazwa yi-krieger-gogoty equation.
4. Ubushushu
Ubushushu buchaphazela i-viscofity yezisombululo ze-HPMC. Ngokubanzi, i-viscosity ihla njengamaqondo obushushu ayanda.
Iindawo zesicelo
Amayeza: I-HPMC isetyenziswa ngokokusetyenziswa kwamayeza, kubandakanya nezisombululo kunye nezisombululo ze-Ophthalmic, apho kukhutshwa i-vission kunye nokubonisa i-viscosity ibalulekile.
Ulwakhiwo: Kumzi-mveliso wokwakha, i-HPMC isetyenziswa njenge-thi checkerer kwiimveliso ezisekwe kwimo yokuphucula ukusebenza kunye nokugcinwa kwamanzi.
Ishishini lokutya: i-HPMC isetyenziswa njenge-thi chuker, i-sticker kunye ne-mulsifier kwizicelo zokutya.
I-viscosity ye-hydroxypropyl methylcelcellulose yipropathi enzima echaphazelekayo zizinto ezininzi ezinje ngobunzima bemolekyuli, isidanga sokufakwa endaweni, uxinzelelo kunye nobushushu. Amabakala ahlukeneyo e-HPMC ayafumaneka ukuze ahambelane nezicelo ezithile, kwaye abavelisi babonelela ngamashiti ochwephesha echaza uluhlu lwe-viscofity yebakala ngalinye phantsi kweemeko ezahlukeneyo. Abaphandi kunye neefomula kufuneka ziqwalasele ezi zinto ukulandela iipropathi ze-HPMC ukuhlangabezana neemfuno zezicelo zazo.
IXESHA LOKUQALA: UJan-20-2024