Igihe cyose ingano ikwiye ya cellulose ether HPMC yongewe ku biribwa bikaranze, amavuta yinjira mu gukaranga ashobora kugabanuka cyane, amavuta yose mu biribwa bikaranze ashobora kugabanuka, kandi uburyohe bw'ibiryo bikaranze bushobora kunozwa, uruziga rw'impinduka z'amavuta mu biribwa bikaranze rushobora kumara igihe kirekire, umusaruro w'ibiryo bikaranze ushobora kwiyongera kandi ikiguzi cy'amavuta gishobora kugabanuka.
Ibiryo bikaranze bikundwa cyane n'abaturage kubera uburyohe bwabyo bwihariye. Ariko, mu ndyo igenda irushaho kuba nziza muri iki gihe, ibiryo bikaranze birimo amavuta menshi bituma abaguzi batinya.
Birumvikana ko mu ikoreshwa ryihariye rya buri selulosi, inyongeramusaruro z'ibiribwa zishobora kugera ku nshingano imwe gusa, urugero, methylcellulose yo mu rwego rw'ibiribwa (MC) na hydroxypropyl methylcellulose (HPMC) bishobora kugabanya neza amavuta mu biribwa bikaranze; carboxymethyl cellulose yo mu rwego rw'ibiribwa (CMC), ikoreshwa mu bikomoka ku mata, ishobora kongera uburyohe no kunoza uburyohe bwa poroteyine, ikoreshwa mu guteka, ishobora kugenzura neza amazi y'ifu; hydroxypropyl cellulose yo mu rwego rw'ibiribwa (HPC) ishobora kugabanya neza ingano y'amavuta karemano mu buryo bw'ifu, mu gihe ikomeza uburyohe bworoshye kandi bworoshye, kandi igasobanukirwa neza uburyohe bw'ibiryo byiza.
Ibikomoka kuri eteri ya selulosi bimaze igihe kinini bikoreshwa cyane mu nganda z'ibiribwa. Guhindura cellulose mu buryo bw'umubiri bishobora kugenzura imiterere ya rheological, imiterere y'amazi n'imiterere mito y'urusobe rw'umubiri. Imirimo itanu y'ingenzi ya cellulose yahinduwe mu biryo ni rheology, emulsification, ifuro rihamye, ubushobozi bwo kugenzura ikorwa n'ikura rya kristu y'urubura, no gufatana kw'amazi.
Fasha ikoranabuhanga ry’inyama z’ubukorano ku isi rirenga 20 kugira ngo rikore ubufasha mu bya tekiniki. Urutonde rw’isoko ry’imigabane muri Amerika rugamije ahanini uburyohe bwa Amerika n’i Burayi. Igitekerezo ni ugukora ibimera bisanzwe, itsinda rigafatanya. Mu gihembwe cya mbere cy’umwaka ushize, bakoze verisiyo y’inyama z’ubukorano. Turimo kugerageza guhindura imikorere y’inyama z’ubukorano muri laboratwari. Kuri ubu, inyama z’ubukorano mu mahanga ni hagati ya yuan 140-150.000/toni, ariko igiciro ni gito cyane. Isosiyete izabanza kubona amafaranga kuri eteri ya cellulosic, kandi ihangayikishwe n’amafaranga ku nyama z’ubukorano nyuma. Igice kigoye cyane cy’inyama z’ubukorano ni selulose, kandi kuri eteri ya selulose ya DuPont niyo ifata umwanya. Isosiyete igurisha toni 70.000 kugeza ku 80.000, kandi ifite inyungu ya 60%. Ibikoresho bigezweho kandi bigezweho, ibikoresho bya Dow's na Shin-etsu bifite imyaka 20 cyangwa 20, byaguzwe n’umucuruzi w’ibikoresho mu Budage. Inyama z’ubukorano ni ingenzi.
Igihe cyo kohereza: Kanama-30-2022