Polyvinylpyrrolidone (PVP) ,cas number 9003-39-8,pvp he polymer kore-ionic ko te mea tino motuhake, tino pai te ako, me te tino ako i nga matū pai i waenga i nga polymers N-vinyl amide.Kua whakawhanakehia ki te kore-katote, cationic, anion 3 kāwai, kōeke ahumahi, kōeke ho'oraa, gra kai...
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