Timber process and product

Details Timber process and product Timber process and product

C - Chemistry, Metallurgy

08

L

C08L 97/02 (2006.01) C08G 18/16 (2006.01)

Patent

CA 2361618

This invention provides a binding mixture for use in manufacturing chipboard, the mixture including an effective amount of methyl di-isocyanate ("MDI") and one or more polyurethane catalyst(s) being selected from the following: (a) one or more amine compound(s) including aliphatic and aromatic tertiary amine derivatives of phenols, esters, ethers, alkenes and/or alcohols; or (b) one or more organometallic compounds of tin, bismuth, zinc, iron, and/or alkali metal salt(s); or (c) suitable mixtures of (a) and (b) above.

Cette invention se rapporte à un mélange de liaison utilisé pour la fabrication de panneaux agglomérés. Ce mélange comprend une quantité efficace de di-isocyanate de méthyle (<=MDI>=) et un ou pl usieurs catalyseur(s) de polyuréthanne sélectionnés dans les groupes de composés suivants: (a) un ou plusieurs composés amines comprenant des dérivés amine tertiaire aliphatiques et cycliques de phénols, d'esters, d'éthers, d'alcènes et/ou d'alcools; ou (b) un ou plusieurs composés organométalliques d'étain, de bismuth, de zinc, de fer et/ou de sel(s) de métal alcalin; ou (c) des mélanges convenables de (a) et (b).

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