HydroxyPropyl MethylcellAllll (HPMC) ni polymer itandukanye ibona ibyifuzo byinshi mu nganda zinyuranye, harimo imiti, ibiryo, kubaka, no kwisiga.
1. Kumenyekanisha HPMC:
HydroxyPropyl Methylcellsellse (HPMC) ni igice cya kabiri, inert, polymer polymer yakomotse kuri selile. Yakozwe binyuze mu guhindura imiti ya selile, bikubiyemo guhinduranya selile ya alkali hamwe na proplene okiside na methyl chloride. Igicuruzwa cyavuyemo ni cyera kuri cyera, odorless ifu idashobora gushonga mumazi ariko ihungaba na smalvents.
2. Imiterere n'imitungo:
Imiterere ya HPMC igizwe numugongo wa selile, polymer isanzwe ikozwe mubice bya glucose bihujwe na β (1 → 4) Ingwate ya Glycosic. Muri HPMC, amwe mumatsinda ya hydroxyl kumutwe wa glucose asimburwa namatsinda 2 ya hydroxypropy na methyl. Uku gusimburwa bihindura imitungo ya Polymer ugereranije na selile kavukire, itanga ubwitonzi buteye imbere, viccosity, hamwe nubushobozi bwa firime.
Imitungo ya HPMC iratandukanye bitewe nibintu nkurwego rwo gusimbuza (DS), uburemere bwa moleki, hamwe no gukwirakwiza ibice. Mubisanzwe, HPMC yerekana:
Ibikoresho byiza bya firime
Imyitwarire ya gelation
Ubushobozi bwo kugumana amazi menshi
Umutekano hejuru ya PH Mugari
Guhuza nabandi polymers hamwe nibishyingo
Kamere itari ionic, bigahuza nibintu bitandukanye
3. Synthesis ya HPMC:
Synthesis ya HPMC ikubiyemo intambwe nyinshi:
Imyiteguro ya Cellulose ya Alkali: Ubugari bwa Cellulose bufatwa n'umuti wa alkaline kugirango ukore selile ya alkali.
Guhangana: Alkali selile ya alkali yitwara hamwe na profloride na methyl chloride kugirango itangire amatsinda ya hydroxyProppopy na methyl kuri selile.
Gukaraba no kwezwa: Ibicuruzwa byavuyemo byogejwe, kutabogama, no kwezwa kugirango ukureho umwanda.
Kuma: HPMC yasukuye yumye kugirango ubone ibicuruzwa byanyuma muburyo bwo gufata.
4. Gusaba HPMC:
HPMC isanga ikoreshwa ryakwirakwiriye mu nganda zitandukanye:
Farumasiti: HPMC ikoreshwa cyane nkigituba cya farumasi muri tablet ireba, igenzurwa-kurekura imirire, imyiteguro y'amaso, no guhagarikwa. Ikora nka Binder, Thickener, film yabanjirije, hamwe numukozi urekurwa muburyo butandukanye.
Inganda zibiribwa: Mu nganda zikoreshwa, HPMC ikoreshwa nkuwijimye, Stilizar, Amahoro, hamwe nubushake bwogumana ibicuruzwa nkibicuruzwa bitetse, amasoko y'amatama, isosi Itezimbere imiterere, ubuzima bwa filf, n'umunwa mu bicuruzwa.
Kubaka: HPMC ni ikintu cy'ingenzi mu bikoresho by'ubwubatsi nka sima ishingiye ku mishinga ishingiye ku nyenga, Tile ashimishijwe, n'ibicuruzwa bishingiye ku banyarwanda. Ikora nkabakozi bafunzwe namazi, itezimbere imikorere, igabanya kunyeganyega, no kuzamura ibihuru mubwubatsi.
Kwisiga: HPMC ikoreshwa mugukosora no kwita ku kuntu ku giti cye nk'igituba, stabilizer, hamwe n'umukozi ushinzwe film mu bicuruzwa nka cream, amavuta, shampos, na gels. Itanga viscosiya, kuzamura imiterere, kandi itanga kumva neza, ntabwo ari amavuta.
Ibindi bikorwa: HPMC nayo ikoreshwa mu icapiro ry'imyenda, ceramiki, amarangi, ibikoresho, bibi, naho amavuta mu nzira zitandukanye z'inganda.
5. Imyumvire y'ibizaza n'ibibazo:
Biteganijwe ko icyifuzo cya HPMC kizakomeza gukura kubera imitungo yacyo itandukanye no gusaba bitandukanye. Ariko, ibibazo nkibiciro byibiciro byibiciro byibiciro byibiciro, inzitizi zishinzwe kugenzura, no guhatana mubindi polymes birashobora guhindura imbaraga zisoko. Imbaraga zubushakashatsi zibanze ku rwego rwo kwemeza inzira ya HPMC, igakora ubushakashatsi kuri synthesis zirambye, kandi wagure ibyifuzo byayo mubihe bigaragara nka biomedicine na yanotechlogy.
HydroxyPropyl MethylcellUlose (HPMC) ni polymer ifite agaciro ifite porogaramu nini cyane. Imiterere yihariye, imitungo, na synthesis bikabigira ikintu cyingenzi muri farumasi, ibicuruzwa byibiribwa, ibikoresho byubwubatsi, kwisiga, amavuta, hamwe nibisabwa byinganda. NUKO HPMC yiteguye gukomeza imbaraga zo gukomeza, HPMC yiteguye gukomeza kuba umukinnyi ukomeye mu nganda za Polymer, atanga ibisubizo bishya kugirango habeho amasoko agaragara.
Igihe cyohereza: Werurwe-05-2024