Colorless edge sealant for wood-based panels
AssigneeWeyerhaeuser Company
InventorJack G. Winterowd
Life of this patent
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Abstract
The present invention provides a formulation for treating the edge of a wood-based panel. The formulation includes an optical brightener and optional amine such that the treated edge fluoresces when illuminated with ultraviolet light. Wood-based panels treated with the sealant, and methods for making and applying the formulation to a wood-based panel are also provided.
Claims18
A wood-based panel treated with a composition for reducing edge swelling, the panel having first and second major surfaces and four edge surfaces, the edge surfaces being treated with the composition, wherein the composition comprises hydroxylamine and disodium distyrylbiphenyl disulfonate.
A wood-based panel treated with a composition for reducing edge swelling, the panel having first and second major surfaces and four edge surfaces, the edge surfaces being treated with the composition, wherein the composition comprises:
- (a) disodium distyrylbiphenyl disulfonate;
- and
- (b) at least one of hydroxylamine, ethanolamine, or 4-(3-aminopropyl)morpholine.
Dependencies are inferred from the claim text.