Hydroxyethyl cellulose (HEC) ndi cellulose ether yosakhala ionic yopangidwa kuchokera ku cellulose yachilengedwe ya polima kudzera munjira zingapo za etherification. Ndi ufa wopanda fungo, wosakoma, wopanda poizoni woyera kapena granule, womwe ukhoza kusungunuka m'madzi ozizira kuti upange njira yowonekera yowonekera, ndi kusungunula ...
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