Method for compression molding articles from lignocellulosic...

Details Method for compression molding articles from lignocellulosic... Method for compression molding articles from lignocellulosic...

B - Operations, Transporting

27

N

18/1010

B27N 3/06 (2006.01) B27N 1/02 (2006.01) B27N 3/08 (2006.01) C08L 97/02 (2006.01)

Patent

CA 2026079

ABSTRACT OF THE DISCLOSURE Flakeboard or particle board panels and other composite articles made from wood flakes or other particulate lignocellulosic materials having a relatively high internal bond and improved resistance to moisture are made from flakes or particles which have a moisture content of at least 15%. A catalyst capable of accelerating the reaction between the flakes or particles, the binder and water is applied to the flakes or particles prior to the addition of a moisture-tolerant particle board binder, such as an organic polyisocyanate. A mat of the resulting furnish is compression shaped under pressure and at a temperature less than 250°F for a time period sufficient to form a composite article of the desired shape and/or dimensions.

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