Hydroxypropyl methylcellulose (HPMC)ni eteri ya cellulose idafite ionic ikoreshwa cyane mu bikoresho by'ubwubatsi, mu buvuzi, mu biribwa, mu mavuta yo kwisiga no mu zindi nganda. Ibipimo by'ingenzi bya tekiniki bya HPMC birimo imiterere y'umubiri n'iya chimique, gushonga, ubushyuhe, urugero rwo gusimbuza, nibindi.
1. Isura n'imiterere y'ibanze
Ubusanzwe HPMC ni ifu y'umweru cyangwa idasembuye, nta mpumuro, nta buryohe, nta burozi ifite, ifite amazi ashongesha neza kandi ahamye. Ishobora gukwirakwira vuba no gushonga mu mazi akonje kugira ngo ikore umuti wa colloidal ubonerana cyangwa ufite umwuka mubi gato, kandi ntishobora gushonga neza mu bintu bishongesha mu bimera.
2. Ubucucike
Ubushyuhe ni kimwe mu bimenyetso by'ingenzi bya tekiniki bya HPMC, bigena imikorere ya AnxinCel®HPMC mu bikorwa bitandukanye. Ubushyuhe bwa HPMC muri rusange bupimwa nk'umuti w'amazi wa 2% kuri 20°C, kandi ubushyuhe busanzwe buri hagati ya mPa·s 5 na 200.000 mPa·s. Uko ubushyuhe bwiyongera, niko ubushyuhe bw'umuti burushaho gukomera kandi rheology irushaho kuba nziza. Iyo ikoreshejwe mu nganda nk'ubwubatsi n'ubuvuzi, ubushyuhe bukwiye bugomba gutoranywa hakurikijwe ibyo ukeneye byihariye.
3. Ibikubiye muri Methoxy na Hydroxypropoxy
Imiterere y'imiti ya HPMC iterwa ahanini n'ibipimo byayo bya methoxy (–OCH₃) na hydroxypropoxy (–OCH₂CHOHCH₃). HPMC ifite ibipimo bitandukanye bya simburo igaragaza uburyo bwo gushonga, imikorere y'ubuso n'ubushyuhe bwa gelation butandukanye.
Ibikubiye muri Methoxy: Ubusanzwe hagati ya 19.0% na 30.0%.
Ibipimo bya Hydroxypropoxy: Ubusanzwe hagati ya 4.0% na 12.0%.
4. Ingano y'ubushuhe
Ubushuhe bwa HPMC muri rusange bugenzurwa kuri ≤5.0%. Ubushuhe bwinshi buzagira ingaruka ku ituze n'ingaruka z'imikoreshereze y'umusaruro.
5. Ibirimo ivu
Ivu ni ibisigazwa nyuma yo gutwikwa kwa HPMC, ahanini biva mu myunyu ngugu ikoreshwa mu gutunganya. Ubusanzwe ivu rigenzurwa kuri ≤1.0%. Ivu rikabije rishobora kugira ingaruka ku mucyo no ku buziranenge bwa HPMC.
6. Gushonga no gukorera mu mucyo
HPMC ifite ubushobozi bwo gushonga neza mu mazi kandi ishobora gushonga vuba mu mazi akonje kugira ngo ikore umuti umwe wa colloidal. Ubushobozi bwo gushonga neza buterwa n'ubuziranenge bwa HPMC n'uburyo ishongeshwa. Umuti wa HPMC mwiza cyane ubusanzwe uba ubonerana cyangwa usa n'amata make.
7. Ubushyuhe bwa Gel
Umuti w'amazi wa HPMC uzakora gel ku bushyuhe runaka. Ubushyuhe bwa gel yayo busanzwe buri hagati ya dogere selisiyusi 50 na 90, bitewe n'ingano ya methoxy na hydroxypropoxy. HPMC ifite methoxy nkeya ifite ubushyuhe bwinshi bwa gel, mu gihe HPMC ifite hydroxypropoxy nyinshi ifite ubushyuhe buke bwa gel.
8. Agaciro ka pH
Agaciro ka pH k'umuti w'amazi wa AnxinCel®HPMC ubusanzwe kari hagati ya 5.0 na 8.0, ukaba udafite aho ubogamiye cyangwa ufite alkaline nkeya kandi ukwiriye ahantu hatandukanye hakoreshwa.
9. Ingano y'uduce duto
Ubunini bwa HPMC muri rusange bugaragazwa nk'ijanisha rinyura muri ecran ya mesh 80 cyangwa mesh 100. Ubusanzwe bisaba ko ≥98% binyura muri ecran ya mesh 80 kugira ngo harebwe ko ishobora gushonga neza kandi igashonga neza iyo ikoreshejwe.
10. Ibyuma bikomeye biri mu cyuma
Ingano y'icyuma kiremereye (nk'icyuma cy'ubutare na arsenic) bya HPMC igomba kubahiriza amahame ngenderwaho y'inganda. Ubusanzwe, ingano y'icyuma ni ≤10 ppm naho ingano ya arsenic ikaba ≤3 ppm. Cyane cyane muri HPMC yo mu rwego rw'ibiribwa n'imiti, ibisabwa kugira ngo ingano y'icyuma kiremereye irusheho gukomera.
11. Ibipimo bya mikorobe
Ku bijyanye n'imiti n'ibiribwa bya AnxinCel®HPMC, ubwandu bwa mikorobe bugomba kugenzurwa, harimo umubare w'amatsinda yose, ibihumyo, umusemburo, E. coli, n'ibindi, akenshi bisaba:
Umubare wose w'ikoloni ≤1000 CFU/g
Umubare w'ibihumyo n'umusemburo ≤100 CFU/g
E. coli, Salmonella, n'ibindi ntibigomba kugaragara
12. Ahantu hakuru hakoreshwa
HPMC ikoreshwa cyane mu nganda nyinshi bitewe n'uko irushaho gukomera, kubika amazi, gukora filime, amavuta, gukurura ibintu bivanze n'ibindi bintu:
Inganda z'ubwubatsi: Nk'ikintu gikomeza ubukonje no kubika amazi mu gishishwa cya sima, ifu ya putty, kole y'amatafari, n'igishishwa kidapfa amazi kugira ngo binoze imikorere y'ubwubatsi.
Inganda zikora imiti: Ikoreshwa nk'umuti ufata neza, ibikoresho birekura vuba, n'ibikoresho fatizo bya capsule shell bikoreshwa mu binini by'imiti.
Inganda z'ibiribwa: zikoreshwa nk'imvange, itera imbaraga, itera imbaraga, ikoreshwa mu ifu, ibinyobwa, ibiryo bitetse, n'ibindi.
Inganda zikora imiti ya buri munsi: zikoreshwa nk'imashini igabanya ubukana n'igabanya ubukana mu bikoresho byo kwita ku ruhu, mu isabune, no mu shampoo.
Ibipimo bya tekiniki byaHPMCharimo ubukana, urwego rwo gusimbuza (ingano y’amatsinda ya hydrolyzed), ubushuhe, ingano y’ivu, ingano ya pH, ubushyuhe bwa gel, ubunini, ingano y’icyuma gikomeye, nibindi. Ibi bimenyetso bigena imikorere yacyo mu nzego zitandukanye. Mu gihe cyo guhitamo HPMC, abakoresha bagomba kugena ibipimo bikwiye hakurikijwe ibisabwa byihariye kugira ngo barebe ko ikoreshwa neza.
Igihe cyo kohereza: Gashyantare-11-2025