HydroxyPropyl MethylcellllAlose (HPMC) ni polymer ihujwe n'amazi isanzwe ikoreshwa mu nganda, ubuvuzi n'ibiryo. Imwe mu mirimo nyamukuru ya HPMC mubicuruzwa bitandukanye nuguhindura virusi, bigerwaho binyuze mumiterere yabyo hamwe nibikorwa byayo hamwe nibisubizo (mubisanzwe amazi).
1. Imiterere ya molekile ya HPMC n'ingaruka zayo kuri viscosity
HPMC igizwe na selile hamwe nubukoresha hamwe na hydroxyProurdpyl. Iminyururu yayo ya selile itwara umubare munini w'amatsinda ya hydroxyl (-Oh), ashobora gukora hydrogen and molekile y'amazi, bityo bigamura vino. HydroxyPropyl na MethoxyPuedd muri molecule ya HPMC nayo igira ingaruka kubwubuhinzi bwayo no kukengurwa n'amazi. Mu mazi, urunigi rwa HPMC rushobora guhinduka kandi rukurura amazi menshi, bityo twongera viscosiya.
Ubwoko butandukanye bwa HPMC buzerekana imiterere itandukanye ya stcosity kubera impamyabumenyi zitandukanye zuburyo nubusimbuzi bwa hydroxyPropyl. Muri rusange, HPMC ifite urwego rwo hejuru rwa HydroxyPropyl ifite ubushobozi bukomeye bwo kwiyongera, mugihe HPMC ifite uburyo bwimbitse butandukanye butandukanye nubushake bwivumburwa nubushishozi. Kubwibyo, imiterere ya moleke ya HPMC ifite ingaruka zitaziguye ku ngaruka zayo zo kwiyongera.
2. Ibiranga ibiranze na visositity ya HPMC
HPMC ifite amazi meza, ayifasha kongera ubushishozi vicosity mubisubizo bitangaje. Mu mazi, iminyururu iramurika ya HPMC ikurura amazi kandi ikora imiterere yagutse, bikaviramo kugabanuka kwamagambo no kwiyongera muri vino. Iyi nzira yo guturuka ni intambwe ya-intambwe ya-intambwe, kandi ubushyuhe na PH bigira ingaruka zikomeye kuri yo. Mubisanzwe, HPMC irashonga vuba kubushyuhe buke, ariko ubushyuhe bwayo bwiyongera hamwe nubushyuhe bwongera ubushyuhe. Kubwibyo, hejuru yubushyuhe bwo kubavumburwa murwego runaka, niko virusire yigisubizo.
Kudakemurwa na HPMC nabyo bifitanye isano na PH agaciro ka pH. Mu buryo butabogamye ku buryo butandukanye, HPMC irashonga neza kandi yongera victositity; Mugihe uri munsi ya acide ikomeye cyangwa alkaline, umukecuru no guscosity ya HPMC irabujijwe. Kubwibyo, mubicuruzwa bitandukanye, ubushobozi bwo guhindura visosity ya HPMC ikeneye kandi gutekereza ku gaciro kwa PH.
3. Ingaruka za HPMC kwibanda kuri viscosity
Kwibanda kuri HPMC nimwe mubintu byingenzi bigira ingaruka kuri viscozetity. Mugihe kwibanda kuri HPMC yiyongera, umuyoboro wa molekile washizweho mugisubizo gihinduka denseri kandi uruzitiro rwiyongera. Mugihe gito, imikoranire iri hagati yiminyururu ya HPMC irakomeye, kandi virusi yigisubizo ntabwo ihinduka cyane. Ariko, mugihe ubushishozi bwa HPMC bugera kurwego runaka, guhuza no kwishora hagati yiminyururu ya molekile bizatera urunyunyu rwinshi ruzatera urusiku rwiyongera.
Ubushakashatsi bwerekana ko iyo kwibanda kuri HPMC biri murwego runaka, ubuyoji bwayo bwiyongera muburyo butaziguye. Ariko, iyo kwibanda cyane, ibintu byimiterere byibisubizo bizahinduka, byerekana pseudopplastity cyangwa thixotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi vicotropy, kandi ibyishimo bigabanuka kwiyongera kwubwisanzure. Kubwibyo, mubikorwa bifatika, umubare wa HPMC yongeyeho ugomba kugenzurwa neza ukurikije ibikenewe byihariye kugirango ugere kuri viscosity.
4. Ingaruka z'uburemere bwa molekile kuri viscosity
Uburemere bwa moleki ya HPMC nabyo ni ikintu cyingenzi muguhitamo ubukuru bwayo. Mubisanzwe, nini nini yuburemere bwa hpmc, hejuru ya virusire yibisubizo byayo. Ni ukubera ko HPMC ifite uburemere bunini bwa molekile irashobora gukora iminyururu ndende ya molekile hamwe ninzego zigoye cyane, bityo ikabangamira amazi kandi yongere vino. Kubwibyo, HPMC ifite uburemere butandukanye bwa molekanti burashobora gukoreshwa muguhindura ibisabwa byagaragaye kubicuruzwa bitandukanye.
Mubyifuzo bimwe, guhitamo ibiro byinshi byo hejuru HPMC irashobora kunoza cyane ibicuruzwa, nkababyimba mubikoresho byubaka; Mugihe mubindi bikorwa, nkumurima wimiti, uburemere buke bwa mpmc birashobora gukenera gutoranywa kugirango uhindure igipimo cyo kurekura ibiyobyabwenge cyangwa kunoza uburyohe.
5. Ingaruka z'ubushyuhe kuri viscosity yo gukemura HPMC
Viscozetity ya HPMC ihinduka cyane nubushyuhe. Muri rusange, viscozetity yo gukemura Hpmc igabanuka kubushyuhe bwo hejuru. Ni ukubera ko ubushyuhe bwo hejuru busenya ingwate ya hydrogen hagati ya molekile ya HPMC kandi igabanya urwego rwo kwishora muminyururu ya molekile, bityo bigabanya ubushyuhe bwigisubizo. Ariko, mubihe byihariye, ubushyuhe bwa HPMC bushobora kwiyongera mubushyuhe runaka, bufitanye isano rya bugufi nuburyo bwa molecular hamwe nigicuruzwa.
Ku bushyuhe buke, viscosiya igisubizo cya HPMC ni kinini kandi kugenda kwinyungu za molekile birabujijwe. Uyu mutungo utuma ukora neza muri porogaramu aho uruskume rwibicuruzwa ku bushyuhe bugomba kwiyongera.
6. Ingaruka zo gukanda amaso kuri viscosity ya HPMC
Ibisubizo bya HPMC mubisanzwe byerekana ibimenyetso byoroheje, ni ukuvuga ko viscosity igabanuka hamwe no kongera imigenzo. Ku gipimo cyo hasi, imiterere y'urusobe rwa HPMC irangiye, ibangamira amagambo yo gukemura, bityo agaragaza ubushishozi bwo hejuru. Ariko, ku gipimo cyinshi Uyu mutungo ukoreshwa cyane munganda nkibikoresho byubaka, amarangi n'amakota, kandi birashobora kuzamura imikorere y'ibicuruzwa mu gihe cyo kubaka.
7. Ingaruka z'abanyongera bo hanze
Muri porogaramu nyinshi, HPMC ikoreshwa kenshi hamwe nizindi nguzanyo. Ubwoko butandukanye bwibyongeyeho, nk'ubwinyungo, abasiwe hamwe nabandi polymers, bazagira ingaruka kuri viscosiya za HPMC. Kurugero, inyongeramu zimwe zumunyu zirashobora kugabanya viscosiya ibisubizo bya HPMC kuko umunyu wumunyu ubangamiye iminyururu ya HPMC hanyuma ugasenya umuyoboro wa hydrogen washizweho. Ababyimba bamwe barashobora gukora synergiste hamwe na HPMC kugirango wongere vino rusange yigisubizo.
Nkubwinshi bwakoreshejwe, ingaruka za HPMC ku myambarire y'ibicuruzwa igerwaho ahanini binyuze mu ngaruka ihuriweho n'imiterere yacyo, kwibanda, ibiranga ihindagurika, n'ibintu byo hanze nk'ubushyuhe, igipimo cy'inkombe. Muguhindura neza ibipimo bya HPMC, kugenzura neza ibicuruzwa visositity irashobora kugerwaho kugirango ibone ibyifuzo bitandukanye.
Igihe cyagenwe: Gashyantare-17-2025