prov:value
| - Suitable materials for the outer portion include vinyl polymers, such as polyvinyl alcohol, partially or fully hydrolyzed polyvinyl alcohol, polyvinyl acetate, polyvinyl pyrrolidone, or polyvinyl-methylmethacrylate copolymer, maleic acid/acrylic acid copolymers or salts thereof, ethylene/maleic anhydride copolymers, polyethylene glycol, acrylic acid polymer, carboxymethyl cellulose, cellulose ethe
|