Polyvinyl alcohol compositions
AssigneeKuraray Specialities Europe GmbH
InventorsMartin Jakob, Richard Gutte
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Abstract
Polyvinyl alcohol compositions in the form of an aqueous solution are disclosed, where the aqueous polyvinyl alcohol compositions include: (i) polyvinyl alcohol; (ii) at least one polyaldehyde having at least 3 carbon atoms and being masked completely as a water-soluble hydrogen sulfite adduct; and (iii) at least one compound which is acidic in water. The aqueous polyvinyl alcohol compositions are suitable as adhesives and for use in cast films.
Claims5
A solid, homogeneous, water-soluble polyvinyl alcohol powder or granular premix comprising polyvinyl alcohol and at least one polyaldehyde having at least 3 carbon atoms and being masked completely as a water-soluble hydrogen sulfite adduct.
Dependencies are inferred from the claim text.