Patent ID: 8168091

Claim:
A polyvinyl alcohol film composition, comprising: (A) 100 parts by weight of polyvinyl alcohol wherein the polyvinyl alcohol has a degree of polymerization of about 500-10000, and a degree of saponification of above 75 mol %; and (B) about 0.001 to 30 parts by weight of a multi-hydroxyl polyhedral oligomeric silsesquioxane (POSS), wherein the multi-hydroxyl POSS is soluble in polar solvents, but insoluble in water, wherein the multi-hydroxyl POSS is selected from compounds of Formulas (I)-(VII): wherein each of the R 1 -R 12 , independently, is a C 1 -C 12 aliphatic group or a C 3 -C 14 aromatic group, and R 1 -R 12 are optionally substituted with hydroxyl groups such that each compound contains at least two hydroxyl groups.