| http://www.w3.org/ns/prov#value | - The hydrophilic high-polymer employ, e.g. carboxymethyl cellulose, hdroxy-ethyl cellulose, hydroxy propyl cellulose, methyl cellulose, ethyl cellulose, ethyl hydroxyethyl cellulose, carboxy methyl ethyl cellulose, polyvinyl alcohol, polyvinyl pyrrolidone, polyamino acids such as poly-lysine, sulfonated polystyrene acid, gelatin and its derivatives, acrylic acid and its salts, methacrylic acid and
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