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US 2008/0076871 A1Published application
Sulfonate Functional Polyvinyl Acetals
AssigneeWacker Polymer Systems GmbH & Co. KG
InventorAndreas Lumpp
Life of this patent
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Abstract
Polyvinyl acetals with low solution viscosities and maximum Newtonian flow behavior contain sulphonate-functional vinyl ether or sulphonate-functional allyl ether units in addition to conventional vinyl ester, vinyl alcohol, and vinyl acetal units.
Claims10
1-10. (canceled)
Sulphonate-functional polyvinyl acetals comprise from 0.1 to 50% by weight of vinyloxyalkylsulphonates or allyloxyalkylsulphonates having unsubstituted or substituted, unbranched or branched C1-C6-alkyl groups.
Dependencies are inferred from the claim text.