Umthelela wokushisa okuphezulu ku-cellulose.
IHydroxypropyl methylcellulose (HPMC) iphuma ku-cellulose esetshenziswa kakhulu ezimbonini ezahlukahlukene futhi yaziwa ngokuhlukahluka kwayo nokuzinza. Kodwa-ke, umthelela wamazinga okushisa aphezulu ku-HPMC uyisihloko esithakaselwa kakhulu ngenxa yomthelela wayo ongaba khona ekusebenzeni nasezimpahleni zale nhlanganisela ebalulekile.
Amazinga okushisa aphezulu angaba nomthelela omkhulu ezimpahleni ze-HPMC. Uma ichayeke emazingeni okushisa aphezulu, i-HPMC ingakwazi ukuwohloka ngokushisa okushisayo, okubangele izinguquko ku-viscosity yayo, isisindo samangqamuzana, kanye nezakhiwo zizonke. Ukuwohloka kokushisa kwe-HPMC kuyinqubo eyinkimbinkimbi ehilela ukuphuka kwamabhondi amakhemikhali ngaphakathi kwesakhiwo se-cellulose, okuholela ekwehleni kwezakhiwo zayo zokusebenza.
Umthelela wamazinga okushisa aphezulu ku-HPMC ubaluleke kakhulu ezinhlelweni zemboni ngoba inhlanganisela ithintwa ukushisa ngesikhathi sokucubungula noma ukusetshenziswa komkhiqizo. Isibonelo, embonini yezokwakha, i-HPMC ivame ukusetshenziswa emikhiqizweni esekwe usimende ukuthuthukisa ukusebenza nokugcinwa kwamanzi. Kodwa-ke, ukuchayeka emazingeni okushisa aphezulu ngesikhathi sokwelapha usimende kuthinta ukusebenza kwe-HPMC, okungenzeka kubangele ukwehla ekusebenzeni kwayo.
Ukuqonda imiphumela yamazinga okushisa aphezulu ku-HPMC kubalulekile ekuthuthukiseni ukusetshenziswa kwayo ezinhlelweni ezihlukahlukene.Abacwaningi nezingcweti zemboni bahlola ngenkuthalo amasu okunciphisa imithelela yamazinga okushisa aphezulu ku-HPMC, njengokwenza iziqinisi ezishisayo noma ukuguqula izimo zokucubungula ukuze banciphise ukuchayeka okushisayo.
Ukwengeza, umthelela wokushisa okuphezulu ku-HPMC awugcini nje kuphela ezicini zayo ezibonakalayo namakhemikhali, kodwa futhi udlulela ekusimameni kwayo kanye nomthelela wemvelo. Ukuwohloka kokushisa okushisayo kwe-HPMC kungase kubangele ukukhululwa kwezinhlanganisela zezinto eziphilayo eziguquguqukayo noma eminye imikhiqizo ekhiqizwayo, kuphakamisa ukukhathazeka mayelana nekhwalithi yomoya kanye nokukhishwa kwekhabhoni ezindaweni zezimboni.
Sengiphetha, umphumela wokushisa okuphezulu ku-HPMC uyindawo ebalulekile yocwaningo, ethinta ukusebenza kwayo, ukucubungula kanye nezici zemvelo. Ngokuthola ukuqonda okujulile kokuthi amazinga okushisa aphezulu ayithinta kanjani i-HPMC, abacwaningi kanye nezingcweti zemboni bangasebenza ukuze bathuthukise ukuzinza nokusimama kwalokhu okuphuma kokunye okubalulekile kwe-cellulose ekusetshenzisweni okuhlukahlukene.
Siyabonga ngokubambisana ne-JINJI CHEMICAL.