| http://www.w3.org/ns/prov#value | - Examples of suitable protective colloids are polyvinyl alcohols and partially hydrolyzed polyvinyl acetates, polyvinylpropionates, polyacrylates, polyvinylpyrrolidone, copolymers of two or more constituent monomers of the abovementioned polymers, cellulose and cellulose derivatives, for example methyl cellulose, hydroxyethylcellulose, carboxymethyl-cellulose, starch and starch derivatives, for exa
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