Phenolic resins compatible with wax emulsions
AssigneeGeorgia-Pacific Resins, Inc.
InventorsBrian M. Peek, Barry W. Sewell
Life of this patent
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Abstract
A phenolic resin modified with an alkali salt of sulfite or bisulfite in order to provide compatibility with a wax emulsion sizing agent, an adhesive prepared from the phenolic resin and wax emulsion, and the use of the adhesive in making bonded composites such as wood products, including, parallel strand lumber, oriented strand board (OSB), laminated veneer lumber (LVL), medium density fiberboard, wafer board and particle board, and textile products.
Claims21
A phenolic resin/wax emulsion adhesive comprising a phenolic resin combined with a wax emulsion wherein the phenolic resin is compatible with the wax emulsion and is prepared by reacting phenol and formaldehyde in the presence of an alkali salt of sulfite or bisulfite.
Dependencies are inferred from the claim text.