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US 2013/0158178 A1Published application
Water-in-oil emulsion adhesive
AssigneeRiso Kagaku Corporation
InventorsKokoro KINOE, Kazuhiro HIGASHI
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Abstract
A water-in-oil emulsion adhesive, which is composed of an oil phase and a water phase, wherein the water phase comprises a water-soluble polymer that functions as an adhesive component, the oil phase comprises a non-aqueous polar solvent having an SP value of 8 to 12 (cal/cm3)1/2, and the oil phase comprises a resin that is solid at 30° C. and has an acid value of 10 or less, in an amount of 5 to 15% by mass relative to a total mass of the adhesive.
Claims6
A water-in-oil emulsion adhesive, which is composed of an oil phase and a water phase, wherein
- the water phase comprises a water-soluble polymer that functions as an adhesive component,
- the oil phase comprises a non-aqueous polar solvent having an SP value of 8 to 12 (cal/cm3)1/2, and
- the oil phase comprises a resin that is solid at 30° C. and has an acid value of 10 or less, in an amount of 5 to 15% by mass relative to a total mass of the adhesive.
Dependencies are inferred from the claim text.