Preparation of lignocellulosic-isocyanate molded composition...

Details Preparation of lignocellulosic-isocyanate molded composition... Preparation of lignocellulosic-isocyanate molded composition...

C - Chemistry, Metallurgy

08

G

402/15

C08G 77/04 (2006.01)

Patent

CA 1229448

ABSTRACT OF THE DISCLOSURE An improvement is provided in the compression molding of lignocellulosic composite articles, such as particle or flake board, in which polyisccyanate binder systems are employed, the improvement being the provision of a functional polysiloxane-hydroxyl substituted mono- carboxylic acid or metal salt-isocyanate terpolymer as a release agent on the mold surface or surfaces to give multiple release. Optionally, organopolysiloxane fluids may be employed along with the terpolymer release agent as a diluent.

466535

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