B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 7/00 (2006.01)
Patent
CA 2437826
The disclosed invention relates to polyisocyanate-impregnated lignocellulosic substrates having improved strength, water resistance and appearance, and also to methods and systems for producing such substrates. The polyisocyanate- impregnated lignocellulosic substrate are produced by impregnating a lignocellulosic substrate with an isocyanate resin, followed by polymerization of the isocyanate resin by applying a heated liquid to the impregnated substrate.
L'invention concerne des substrats lignocellulosiques imprégnés de polyisocyanate, qui présentent une force, une résistance à l'eau et un aspect améliorés. Elle concerne également des méthodes et des systèmes de production desdits substrats. Les substrats lignocellulosiques imprégnés de polyisocyanate de l'invention sont produits par imprégnation d'un substrat lignocellulosique avec une résine d'isocyanate, puis par polymérisation de la résine d'isocyanate par application d'un liquide chauffé sur le substrat imprégné.
Colvin John
Crowe Larry Raymond
Tissot Philippe Edouard
Vignal Charles
Emery Jamieson Llp
Houston Advanced Research Center
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