Hydroxypropyl Methyl Cellulose HPMC Hydroxypropyl methylcellulose (HPMC) yog ib qho cellulose derivative uas feem ntau siv nyob rau hauv ntau yam lag luam, suav nrog tshuaj, khoom noj khoom haus, kev tsim kho, thiab kev saib xyuas tus kheej. Nws yog tsim los ntawm chemically modifying cellulose los ntawm etherification, uas koom nrog hauv ...
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