I-Hydroxypropyl methyl cellulose (i-HPMC) yenziwe kwikotoni ecocekileyo ecocekileyo, i-alkalized kunye ne-sodium hydroxide (i-liquid caustic soda) isisombululo, i-etherified nge-methyl chloride kunye ne-propylene oxide, emva koko ingathathi hlangothi, ifunyenwe emva kokucoca, ukomisa, ukutyumza kunye nokuhluzwa.Iinkcukacha zibonakala...
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