HydroxyPropyl methylcellse (HPMC) ni imiti ikomeye yongeyeho imiti, ikoreshwa cyane mu mirima myinshi nko kubaka, imiti, ibiryo, no kwisiga. Ifite uburimbane, bukamba, bugenda, bubahiriza film, hamwe nubutaka, kandi bufite umutekano mubushyuhe na PH. Kudakemurwa na HPMC nimwe mubibazo byingenzi mugukoresha. Gusobanukirwa uburyo bukwiye bwo kutuvumburwa ni ngombwa kugirango imikorere yayo.
1.. Ibyingenzi byo gusebanya bwa HPMC
HydroxyPropyl methylcellse ni ugukemura amazi adafite amazi meza ashobora gushonga mumazi akonje cyangwa ashyushye kugirango akore igisubizo gisobanutse cyangwa gisobanutse neza. Kudakemurwa byibasiwe cyane nubushyuhe. Biroroshye gusezerera mumazi akonje kandi byoroshye gushiraho colloid mumazi ashyushye. HPMC ifite ifaranga ryubushyuhe, ni ukuvuga, rifite ibibazo bibi ku bushyuhe bwinshi, ariko birashobora gushonga rwose mugihe ubushyuhe bwamanuwe. HPMC ifite uburemere butandukanye bwa molekari nuburemere, mugihe cyo guturika, icyitegererezo gikwiye cya HPMC kigomba gutorwa ukurikije ibisabwa byibicuruzwa.
2. Uburyo bwo kuvugurura HPMC
Ubukonje bukonje
Uburyo bukonje bwo gutatanya nuburyo bwa HPMC bukunze gukoreshwa kandi bubereye ibintu byinshi. Intambwe Zihariye ni izi zikurikira:
Tegura amazi akonje: Suka umubare ukenewe wamazi akonje mubintu bivanze. Ubushyuhe bw'amazi busanzwe busabwa kuba munsi ya 40 ° C kugirango wirinde HPMC yo gukora ibibyimba hejuru yubushyuhe bwo hejuru.
Buhoro buhoro ongeraho HPMC: Buhoro buhoro ongeraho ifu ya HPMC hanyuma ukomeze kubyutsa. Kugirango wirinde ifu agglomeration, umuvuduko ukwiye ushikamye ugomba gukoreshwa kugirango HPMM ishobora gutatanya amazi.
Guhagarara no gushonga: Nyuma ya HPMC ikwirakwizwa mumazi akonje, ikeneye guhagarara mugihe runaka cyo gushonga rwose. Mubisanzwe, gusigara uhagaze muminota 30 kugeza kumasaha menshi, kandi igihe cyihariye kiratandukanye bitewe nubushyuhe bwa HPMC nubushyuhe bw'amazi. Mugihe cyibikorwa, HPMC izasenya buhoro buhoro kugirango ikore igisubizo cya vino.
Amazi ashyushye yabanjirije uburyo bwo kuvura
Amazi ashyushye yabanjirije uburyo bukwiranye na moderi zimwe na zimwe za HPMC zifite ubushishozi bwo hejuru cyangwa bigoye gushonga rwose mumazi akonje. Ubu buryo ni ukubanza kuvanga ifu ya HPMC hamwe nigice cyamazi ashyushye kugirango akore paste, hanyuma ubivange n'amazi akonje kugirango amaherezo abone igisubizo kimwe. Intambwe Zihariye ni izi zikurikira:
Gushyushya amazi: Shyushya amazi runaka kugeza kuri 80 ° C hanyuma uyisuke muburyo buvanze.
Ongeraho ifu ya HPMC: Suka ifu ya HPMC mumazi ashyushye hanyuma ukangutsi mugihe usuka kugirango ukore imvange. Mu mazi ashyushye, HPMC izashonga by'agateganyo kandi ikora ibintu bisa na gel.
Ongeraho amazi akonje kuri dilute: Nyuma yo kuvanga uruvange rukonje, Ongeraho amazi akonje kugirango uyigabanye kandi ukomeze usuzume rwose mumucyo mucyo cyangwa igisubizo kibi.
Uburyo bwo gutandukanya uburyo
Rimwe na rimwe, kugirango twihutishe iseswa rya HPMC cyangwa rinoze ingaruka zo gusebanya zimwe zidasanzwe, ikinyabuzima kama gishobora gukoreshwa mu kuvanga n'amazi kugirango ushonge HPMC. Kurugero, ibipimo ngengabuzima nka ethanone na acetone birashobora gukoreshwa mugutatana HPMC, hanyuma amazi arashobora kongerwaho kugirango afashe HPMC vuba aha. Ubu buryo bukoreshwa kenshi mugukora ibicuruzwa bimwe bishingiye kumusaruro, nkibihurira no gushushanya.
Uburyo bwumye
Uburyo bwumye bwumye burakwiriye umusaruro munini winganda. HPMC isanzwe ivanze n'ibindi bikoresho by'ifu (nko muri sima, Gypsum, n'ibindi), hanyuma amazi yongewe kuvanga iyo akoreshejwe. Ubu buryo bworoshya imikorere yintambwe kandi yirinda ikibazo cya agglomeration mugihe HPMC ishonga wenyine, ariko isaba kubyutsa bihagije nyuma yo kongeramo amazi kugirango akemure kandi akine inshingano zingana.
3. IBITEKEREZO bigira ingaruka ku iseswa rya HPMC
Ubushyuhe: Kudakemurwa bya HPMC byumva cyane ubushyuhe. Ubushyuhe buke bufasha gutatanya no gusesa mumazi, mugihe ubushyuhe bwinshi butera byoroshye HPMC kugirango ihuze colloide, ikabuza imvururu zuzuye. Kubwibyo, mubisanzwe birasabwa gukoresha amazi akonje cyangwa kugenzura ubushyuhe bwamazi munsi ya 40 ° C mugihe bashonga HPMC.
Umuvuduko ukabije: Gushishikazwa neza birashobora kwirinda neza HPMC agglomeration, bityo wihutishe igipimo cyivuka. Ariko, umuvuduko wihuta cyane urashobora kumenyekanisha umubare munini wibituba kandi bigira ingaruka ku bumwe bwigisubizo. Kubwibyo, muburyo bufatika, umuvuduko ushimishije kandi ibikoresho bigomba gutoranywa.
Ubwiza bw'amazi: Umwanda, gukomera, agaciro ka PH, nibindi mumazi bizagira ingaruka kubibazo bya HPMC. By'umwihariko, Calcium na magnesium ions mu mazi akomeye barashobora kubyitwaramo hamwe na HPMC kandi bigira ingaruka ku kuntu kwikejuta. Kubwibyo, ukoresheje amazi meza cyangwa amazi yoroshye bifasha kunoza imikorere ya HPMC.
HPMC icyitegererezo hamwe nuburemere bwa molekile: icyitegererezo cya HPMC ziratandukanye mu muvuduko wo gusenyuka, visositity hamwe n'ubushyuhe bwo guhunga. HPMC ifite uburemere bwimbitse busenyuka buhoro, ifite igisubizo cyikibazo cyo gukemura, kandi gifata igihe kinini kugirango ishongeshejwe rwose. Guhitamo icyitegererezo cya HPMC birashobora guteza imbere imikorere yo gusesengura no guhura nibisabwa bitandukanye.
4. Ibibazo rusange nibisubizo biri muri Dissolution ya HPMC
Ikibazo cya Agglomeration: Igihe HPMC yashonga mumazi, agglomerals irashobora gukora niba ifu idatatana. Kugira ngo wirinde iki kibazo, HPMC igomba kongerwaho buhoro buhoro mugihe cyo gusesa kandi ikabikwa kumuvuduko ukwiye, mugihe wirinze kongeramo ifu ya HPMC ku bushyuhe bwo hejuru.
Igisubizo kidafite ishingiro: Niba ubukana budahagije cyangwa igihe gihoraho ntigihagije, HPMC ntishobora gushonga rwose, bikavamo igisubizo kidafite ishingiro. Muri iki gihe, igihe gishimishije kigomba kongerwa cyangwa igihe gihoraho kigomba kwiyongera kugirango imvururu zuzuye.
Ikibazo cya bubble: Gukomera cyane cyangwa umwanda mumazi birashobora kumenyekanisha umubare munini wibituba, bigira ingaruka kumiti. Kubera iyo mpamvu, birasabwa kugenzura umuvuduko ukabije mugihe usesa HPMC kugirango wirinde ibibyimba bikabije, hanyuma wongere imbaraga nibiba ngombwa.
Iseswa rya HPMC ni ihuriro ryingenzi mubikorwa byaryo. Kumenya uburyo bukwiye bwo gusebanya bufasha kunoza ubuziranenge bwibicuruzwa no gukora neza. Ukurikije ubwoko butandukanye bwa HPMC nibisabwa bisaba, amazi akonje, amazi ashyushye mbere yo gusenya, gutandukanya kama cyangwa kuvanga byumye birashobora gutorwa. Mugihe kimwe, kwitabwaho bigomba kwitonderwa kugenzura ibintu nkubushyuhe, umuvuduko ukabije hamwe nubuziranenge bw'amazi mugihe cyo gutunganya kugirango wirinde ibibazo nko gusglomera, gusesengura no gusenya bituzuye. Mugutezimbere imiterere yo gusebanya, birashobora kwemererwa ko HPMC ishobora gutanga ikinamico cyuzuye kumiterere yacyo hamwe na firime, itanga ibisubizo byujuje ubuziranenge kubintu bitandukanye byinganda na buri munsi.
Igihe cyohereza: Sep-30-2024