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US 8,574,691 B2Granted
Starch-based adhesive compositions and use thereof
AssigneeHenkel Corporation
InventorsTianjian Huang, Hui Yang
Life of this patent
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Abstract
An improved adhesive composition having increased bond strength between a celluosic board and plastic film substrate is provided. The adhesive composition having improved adhesion includes a modified starch component, polyethylenimine and water. Articles having improved adhesion and methods of making the articles having improved adhesion are also provided.
Claims9
An article comprising at least two substrates and an adhesive composition between them comprising:
- (A) a modified starch;
- (B) a polyethylenimine;
- and
- (C) water;
- wherein the ratio of the modified starch to the polyethylenimine is 1,000-5,000:100;
- wherein the pH of the adhesive composition ranges from 7.5 to 8.0;
- and
- wherein at least one substrate is a cellulosic board and a second substrate is a plastic film.
5 more elements
Dependencies are inferred from the claim text.