Method for treating wood having a high extractive content

Details Method for treating wood having a high extractive content Method for treating wood having a high extractive content

2007-01-02

2007-01-02

Fletcher, III, William Phillip (Department: 1762)

Coating processes

Applying superposed diverse coating or coating a coated base

Synthetic resin coating

C427S393000, C427S397000, C427S508000, C427S553000, C427S595000

Reexamination Certificate

active

10838627

ABSTRACT:
A method for treating wood having a high extractive content is disclosed. The method generally comprises applying to the wood a coating comprising a water-based polyurethane dispersion and a crosslinker. The dispersion can be cured and one or more additional coatings can be applied. The method results in reduced migration of extractives to the surface of the wood, improved adhesion and/or reduced staining of the wood.

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Bondthane™ UD-220 Technical Bulletin.

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