Kubaka selulosi yihariye ya hydroxypropyl methyl cellulose kugira ngo hirindwe ko ubushuhe bwinjira mu rukuta, bizaba ari ingano ikwiye y'ubushuhe bushobora kuguma muri sima, sima itanga umusaruro mwiza mu mazi kandi uruhare rwa selulosi ya hydroxypropyl methyl cellulose muri sima rushobora kuba rungana n'ubushuhe, uko ubushuhe bwa hydroxypropyl methyl cellulose bukomeza kwiyongera bizaba byiza kurushaho.
Iyo ubushuhe bwa hydroxypropyl methyl cellulose bubaye bwinshi cyane, hydroxypropyl methyl cellulose igumana amazi izagabanuka, kandi bizatuma hydroxypropyl methyl cellulose ikora neza. Tumenyereye kandi ibintu bizoroha gukora amakosa, tugomba guhora dushya, tuzabona ibisubizo bitunguranye.
Ubukana bugaragara ni igipimo cy'ingenzi cya hydroxypropyl methyl cellulose. Uburyo busanzwe bwo gupima ni ugupima ubukana buzenguruka, gupima ubukana bwa capillary no gupima ubukana bwa fall.
Mbere, hydroxypropyl methyl cellulose yagenwaga hakoreshejwe uburyo bwo gupima ubushyuhe bwa capillary, hakoreshejwe Uhnscher viscometer. Ubusanzwe uburyo bwo gupima ni igisubizo cy'amazi cya 2, kandi formula ni: V=Kdt. V ni ubushyuhe mu masegonda, K ni ubuziranenge bwa viscometer, D ni ubucucike ku bushyuhe budahinduka, na T ni igihe bifata kuva hejuru ujya hasi ya viscometer mu masegonda. Ubu buryo bwo gukora buragoye cyane, iyo hari ibintu bidashonga, biroroshye guteza amakosa, biragoye kumenya ubwiza bwa hydroxypropyl methylcellulose.
Ikibazo cyo kubaka kole mu byiciro ni ikibazo gikomeye abakiriya bahura nacyo. Mbere na mbere, ikibazo cy'ibikoresho fatizo kigomba gusuzumwa mu kubaka kole mu byiciro. Impamvu nyamukuru yo kubaka kole mu byiciro ni ukudahuza hagati ya polyvinyl alcohol (PVA) na hydroxypropyl methylcellulose (HPMC). Impamvu ya kabiri ni uko igihe cyo kuvanga kidahagije; Hari kandi imikorere yo gukaza kole mu nyubako idahwitse.
Mu kubaka kole, hagomba gukoreshwa imashini ya hydroxypropyl methylcellulose (HPMC) kuko HPMC ikwirakwizwa mu mazi gusa kandi ntabwo ishonga neza. Mu minota 2, ubushyuhe bw'amazi buriyongera buhoro buhoro, bigatuma habaho ibara rigaragara rya viscous colloid.
Ibikoresho bishyushye bishongeshwa, mu mazi akonje, bishobora gukwirakwizwa vuba mu mazi ashyushye, bigashira mu mazi ashyushye, iyo ubushyuhe bugabanutse bukagera ku bushyuhe runaka, ubushyuhe bugenda bugaragara buhoro buhoro, kugeza igihe habayeho koloyide ibonerana. Hydroxypropyl methylcellulose (HPMC) mu kole yo mu nyubako isabwa kuri 2-4kg.
Hydroxypropyl methyl cellulose (HPMC) mu nyubako ifite ubushobozi bwo kugumana imiti, ibihumyo, ingaruka zo kubika amazi ni nziza, kandi ntabwo bihinduka bitewe n'impinduka za PH, ubushyuhe kuva kuri 100 000 S - 200 000 S bushobora gukoreshwa. Ariko mu musaruro ntabwo ubushyuhe bwinshi buba bwiza, ubushyuhe n'imbaraga zo gufatanya biba bingana, ubushyuhe bwinshi, imbaraga ziba nto, muri rusange ubushyuhe bwa 100.000S ni bwo bukwiye.
Igihe cyo kohereza ubutumwa: 16 Nzeri 2022