abstract |
A self-supporting dispersant film is provided, comprising: partially hydrolyzed polyvinyl acetate; poly(ethylene oxide); polyalkylene glycol; plasticizer; dispersant polymer; optionally, poly( isobutylene-co-maleic anhydride) copolymer, wherein the poly(isobutylene-co-maleic anhydride) copolymer is at least partially neutralized; and optionally, optional additives. |