Back to results
US 12,617,982 B2Granted
Water activated adhesive mixture
AssigneeJohns Manville
InventorsThomas John Fellinger, Guodong Zheng
Life of this patent
Estimating the term…
Abstract
Described is an adhesive coating that can be applied, for example, to a surface of the insulation product. The adhesive coating includes between about 15-40% by weight of the adhesive coating of at least one of polystyrene-maleic anhydride (SMA) and polyacrylic acid (PAA), between about 15 and 50% by weight of the adhesive coating of a polyvinyl alcohol, between about 0.05% and 1.0% by weight of a homogenizer, and between about 20 and 40% by weight of the adhesive coating of a starch paste. The adhesive is activated with the application of liquid water.
Claims18
An insulation product, comprising:
- an insulating material, and;
- an adhesive coated on a surface of the insulating material, comprising:
- a compound chosen from polyacrylic acid (PAA), styrene maleic anhydride (SMA), or combinations thereof,
- a polyvinyl alcohol (PVOH);
- at least one starch paste with a pH between 3.7 and 4.7 and a specific gravity between 1.0 and 1.2;
- and
- at least one homogenizer that inhibits separation of the adhesive.
4 more elements
Dependencies are inferred from the claim text.