I-Hydroxyethyl Cellulose (HEC) kunye nezinye i-cellulose ethers (ezifana ne-hydroxypropyl methylcellulose (HPMC), i-methylcellulose (MC), i-hydroxypropyl cellulose (HPC) kunye ne-carboxymethyl cellulose (CMC)) zi-polymers ezininzi ezisetyenziswa ngokubanzi kwishishini, ukwakhiwa, amayeza, ukutya kunye nemihla ngemihla. imveliso yeekhemikhali...
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