Hydroxypropyl methylcellulose (HPMC) ni eteri ya cellulose idafite ionic ikozwe muri cellulose karemano ya polymer binyuze mu buryo butandukanye bwa shimi. Ni ifu yera idafite impumuro, uburyohe kandi idahumanya igenda yiyongera ikaba umuti wa colloidal usobanutse cyangwa ufite ibicu bike mu mazi akonje. Ifite ubushobozi bwo gukurura, gufatanya, gutatanya, guterura, gukora filime, kuyihagarika, kuyikurura, kuyisiga, kuyirinda ku butaka, kuyibikaho ubushuhe no kuyirinda. Hydroxypropyl methylcellulose na methylcellulose bishobora gukoreshwa mu bikoresho by'ubwubatsi, mu nganda z'irangi, resin y'ubukorikori, inganda za ceramic, ubuvuzi, ibiribwa, imyenda, ubuhinzi, imiti ya buri munsi n'izindi nganda.
Ifurumu y'imiti:
Hydroxypropylmethylcellulose (HPMC) [C6H7O2 (OH) 3-mn (OCH3) m (OCH2CH (OH) CH3) n] x
Uburyo bw'ingenzi bwo gukoresha hydroxypropyl methylcellulose HPMC mu bikoresho by'ubwubatsi:
1. sima ishingiye kuri sima
⑴ Kunoza imiterere y'ibikoresho, koroshya gusigwa, kunoza ubudahangarwa bw'amazi, kongera ubushyuhe n'ubushobozi bwo gusohora amazi, no kunoza imikorere myiza.
⑵ Gufata amazi menshi, bikongera igihe cyo kubika sima, kunoza imikorere, no koroshya amazi no gukomera kwa sima kugira ngo ikoreshwe neza cyane.
⑶ Genzura uburyo umwuka winjira kugira ngo ukureho iminkanyari ku buso butwikiriye kandi bugire ubuso bwiza bworoshye.
2. Ibikoresho bya plaster na gypsum bikozwe muri gypsum
⑴ Kunoza imiterere y'ibikoresho, koroshya gusigwa, kunoza ubudahangarwa bw'amazi, kongera ubushyuhe n'ubushobozi bwo gusohora amazi, no kunoza imikorere myiza.
⑵ Gufata amazi menshi, bikongera igihe cyo kubika sima, kunoza imikorere, no koroshya amazi no gukomera kwa sima kugira ngo ikoreshwe neza cyane.
⑶ Genzura uburyo sima ihagaze kugira ngo ikore irangi ryiza.
3. Ifuru y'ubumaji
⑴ Ongera uburyo amazi afatanye n'ubuso bw'amabuye, wongere ubushobozi bwo kubika amazi, kandi wongere imbaraga za sima.
⑵ Kunoza ubushyuhe n'ubukonje, kandi kunoza ubwubatsi; sitroma ivuguruye hakoreshejwe eteri ya selulose biroroshye kubaka, bizigama igihe cyo kubaka kandi bigabanya ikiguzi cyo kubaka.
⑶ Eteri ya cellulose ifata amazi menshi cyane, ikwiriye amatafari atwara amazi menshi.
4. Icupa ry'ingingo z'urukuta
⑴Ifasha mu kubika amazi neza, yongera igihe cyo gufungura kandi ikongera imikorere myiza. Ifite amavuta menshi, yoroshye kuyavanga. ⑵ Yongera ubushobozi bwo kudacika no kudacika, yongera ubwiza bw'ubuso bwo gupfuka. ⑶ Yongera ubushobozi bwo gufatana kw'ubuso bwo gufatana kandi igatanga imiterere yoroshye kandi iboneye.
5. Gufata neza amatafari ⑴Byoroshye kumisha ibikoresho bivanze, nta bibyimba, byongera umuvuduko wo gukoresha, byongera imikorere y'ubwubatsi, bikagabanya igihe cyo gukora no kugabanya ikiguzi cyo gukora. ⑵ Mu kongera igihe cyo gufungura, imikorere myiza yo gushyira amatafari ishobora kunozwa kandi ingaruka nziza zo gufata neza amatafari zishobora gutangwa.
6. Ibikoresho byo hasi byigenga ⑴ bitanga ubukana kandi bishobora gukoreshwa nk'inyongera mu kurwanya imirasire. ⑵Kongera ubushobozi bwo gusohora amazi no kunoza imikorere yo gusiga amabuye. ⑶ Kugenzura uburyo amazi abikwa n'imikurire, kugabanya imyenge n'imikurire y'ubutaka.
7. Irangi rikozwe mu mazi ⑴Ririnda imvura ikomeye kandi ryongere igihe cyo kubaho k'igikoresho. Rituma ibintu bihora bihindagurika cyane, rihura neza n'ibindi bice. ⑵ Rinoza uburyo amazi anyuramo, ritanga ubushobozi bwo kwirinda gusenyuka, kurwanya kugwa no kugabanuka kw'amazi, kandi rituma ubuso bumera neza.
8. Ifu yo ku rukuta ⑴ Ishonga vuba nta tubumbe, ibyo bikaba byiza mu kuvanga. ⑵ Itanga imbaraga nyinshi zo gufatanya.
9. Ikibaho cya sima gikozwe mu buryo bwa extruded (1) gifite ubushobozi bwo guhuza no gusya neza, kandi cyongera ubushobozi bwo gukora ibintu bikozwe mu buryo bwa extruded. ⑵ Kongera imbaraga z'icyatsi kibisi, guteza imbere ubushyuhe n'ubushobozi bwo gukaraba, no kongera umusaruro.
10. Ibikoresho bya HPMC byagenewe imvange y’uruvange rw ...
Igihe cyo kohereza: Gicurasi-24-2023