| http://www.w3.org/ns/prov#value | - As the water-soluble synthetic polymer, mention may be made of partially saponified polyvinyl alcohol, polyethers such as polyethylene oxide and the like, polyvinylpyrrolidone, ethylenically unsaturated acids such as acrylic acid, methacrylic acid, maleic acid and the like, and polymers formed from their salts.
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