HPMC (HydroxyPropyl Methylcellse)Ese eyiti-semic exmer polymer ikoreshwa cyane mubuvuzi, ibiryo, kubaka, amande nizindi nganda. Kubyerekeye niba HPMC ishobora gushonga mumazi ashyushye, ibiranga guke cyane hamwe ningaruka zubushyuhe kumyitwarire yayo yo gusebanya bigomba gusuzumwa.
Incamake ya HPMC
HPMC ifite amazi meza, ariko imyitwarire yayo ifitanye isano rya bugufi n'ubushyuhe bw'amazi. Mubisanzwe, HPMC irashobora gutatana byoroshye no gushonga mumazi akonje, ariko yerekana ibiranga bitandukanye mumazi ashyushye. Kudakemurwa na HPMC mumazi akonje bigira ingaruka cyane kumiterere yacyo nubuhinduzi. Iyo HPMC ihuye n'amazi, amatsinda ya hydrophilic (nka hydroxyl na hydroxyproppopyl) muri molekile zayo izakora hydkiles ifite molekile y'amazi, irasenyuka buhoro buhoro kandi ishonge. Ariko, ibiranga guke muri HPMC biratandukanye mumazi ahantu hatandukanye.
Kukesha hpmc mumazi ashyushye
Kudakemurwa na HPMC mumazi ashyushye biterwa nubushyuhe bwurugero:
Ubushyuhe buke (0-40 ° C): HPMC irashobora gukurura buhoro buhoro amazi ikabyimba, hanyuma amaherezo agakora igisubizo gisobanutse cyangwa gisobanutse neza. Igipimo cy'imisevu kiratinda ku bushyuhe bwo hasi, ariko i pelation ntibibaho.
Ubushyuhe buciriritse (40-60 ° C): HPMC yabyimbye muri ubu bushyuhe, ariko ntabwo ishonga rwose. Ahubwo, byoroshye kunonosora agglomerated cyangwa guhagarika, bigira ingaruka ku bumwe bwigisubizo.
Ubushyuhe bwinshi (hejuru ya 60 ° C): HPMC izatandukana kwicyiciro ku bushyuhe bwo hejuru, bugaragarira nkibisabwe cyangwa imvura, bigatuma bigorana. Muri rusange, mugihe ubushyuhe bwamazi burenze 60-70 ° C, icyerekezo cyubushyuhe bwa mpmc cyiyongera, kandi kwikesha kwawe kugabanuka, kandi amaherezo ikora gel cyangwa kwicisha bugufi.
TheRmogel Ibintu bya HPMC
HPMC ifite ibintu bisanzwe bya TherMogel, ni ukuvuga, ikora gel ubushyuhe bwinshi kandi irashobora gusubirwamo mubushyuhe buke. Uyu mutungo ni ngombwa cyane muri porogaramu nyinshi, nka:
Inganda zubwubatsi: HPMC ikoreshwa nkuwijimye kuri centritar. Irashobora kugumana ubushuhe bwiza mugihe cyo kubaka no kwerekana ingufu mubushyuhe bwo hejuru bwo kugabanya igihombo cyamazi.
Imyiteguro ya farumasi: Iyo ikoreshwa nkibintu bifatika mubinini, imiterere ya gelation ya gelation ikeneye gufatwa neza kugirango ukemure neza.
Inganda zibiribwa: HPMC ikoreshwa nkumuntu wijimye hamwe na emalifiire mubiryo bimwe, kandi pelati yo mu bushyuhe ifasha umutekano wibiryo.
Nigute washonga HPMC neza?
Kugirango wirinde HPMC gukora Gel mumazi ashyushye kandi unaniwe gusezerera neza, uburyo bukurikira bukoreshwa:
Uburyo bukonje butabaza
Ubwa mbere, kurimbura HPMC mumazi akonje cyangwa ubushyuhe bwicyumba kugirango utose kandi ubyimba.
Buhoro buhoro wongera ubushyuhe mugihe cyo gukangurira kurushaho gushonga HPMC.
Nyuma yo gushonga rwose, ubushyuhe burashobora kwiyongera neza kugirango wihutishe gushinga igisubizo.
Amazi ashyushye atatanya uburyo bwo gukonjesha:
Ubwa mbere, koresha amazi ashyushye (hafi 80-90 ° C) Gutatana vuba HPMC kugirango urwego rudasuzugure rwashyizwe hejuru kugirango wirinde gushiraho ibibyimba byihutirwa.
Nyuma yo gukonja ubushyuhe bwicyumba cyangwa wongeyeho amazi akonje, HPMC irashonga buhoro buhoro kugirango ikore igisubizo kimwe.
Uburyo bwumye bwo kuvanga:
Kuvanga HPMC hamwe nibindi bintu byonyine (nk'isukari, ibinyamisogwe, mannitol, nibindi) hanyuma wongere amazi kugirango ugabanye gusoza no guteza imbere imvuka imwe.
Hpmcntishobora gushonga mumazi ashyushye. Biroroshye gushiraho gel cyangwa kugwa ku bushyuhe bwo hejuru, bigabanya intege nke. Uburyo bwiza bwo gusebanya nugutatana mumazi akonje cyangwa abanza gutatana amazi ashyushye hanyuma akonje kugirango ubone igisubizo kimwe kandi gihamye. Mubyiciro bifatika, hitamo uburyo bukwiye bwo kutuvumburwa ukurikije ibikenewe kugirango HPMC ikora neza.
Igihe cya nyuma: Werurwe-25-2025