Hydroxypropyl methyl cellulose (HPMC) an yi shi ne daga auduga mai laushi mai laushi, alkalized tare da sodium hydroxide (ruwa caustic soda) bayani, etherified tare da methyl chloride da propylene oxide, sa'an nan neutralized, samu bayan tacewa, bushewa, murkushewa da sieving.Takaddun bayanai sun bayyana...
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