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US 2011/0033700 A1Published application
Wash Off Labels
OwnerJean-Yves Caylusinventor
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Abstract
This invention relates to wash-off labels comprising a filmic layer and at least one pressure sensitive adhesive layer, wherein the film layer is quickly released from a glass or plastic substrate under appropriate conditions.
Claims10
A wash-off label comprising;
- at least one filmic layer;
- and
- at least one pressure sensitive adhesive layer formed by drying an aqueous polymer dispersion, said polymer comprising polymerized residues of α, β-ethylenically unsaturated monomers, wherein the aqueous polymer dispersion further comprises 1×10−6 to 5×10−4 equivalents of hydrazide functionality/gram of dry adhesive of a hydrazide compound comprising at least one hydrazide group;
- wherein the label releases from a glass substrate in 2 minutes or less when soaked in water at pH of 13 and 80° C.
1 more element
Dependencies are inferred from the claim text.