? precured and cured plywood articles, and method for forming a precured plywood article and a cured plywood article?

摘要

The present invention provides a plywood article which is precured or cured. the plywood includes a first wood veneer, a second wood veneer arranged oppositely to the first wood veneer and an adhesive composition disposed between the first wood veneer and the second wood veneer. The adhesive composition is both cured and uncured. Prior to curing, the adhesive composition consists essentially of an isocyanate and kaolin component. after curing, the cured adhesive composition consists essentially of a self-curing product of the isocyanate component and kaolin. Kaolin is present in an amount of more than 10 to 50 weight percent based on a total weight of the adhesive composition. In addition, each of the first and second wood veneers independently has a moisture content of 0 to 45 percent by weight.