Composition cured by applying heat/pressure thereto

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 97/00 (2006.01) B29C 43/02 (2006.01) C08K 5/092 (2006.01) C09J 197/00 (2006.01)

Patent

CA 2726842

Disclosed is a composition from which a biomass material can be obtained with low energy through simple processes and facilities. Also disclosed are a formed body (a cured body such as a molding and a particleboard) obtained from the composition and a method for producing the formed body. Specifically disclosed is a composition which is cured by applying heat/pressure thereto. The composition is characterized by being mainly composed of a plant-derived material in the form of powder or small pieces and a polycarboxylic acid. It is preferable that the composition additionally contains a sugar. The composition is useful as a composition for molding or a composition for wood bonding. A formed body can be produced by adding a polycarboxylic acid and a sugar in the form of a solution into a plant-derived material in the form of small pieces, and applying heat/pressure thereto.

L'invention porte sur une composition à partir de laquelle une matière de biomasse peut être obtenue avec une faible énergie par des procédés et installations simples. L'invention porte également sur un corps moulé obtenu à partir de la composition et sur un procédé de fabrication du corps moulé. De façon spécifique, l'invention porte sur une composition qui est durcie par l'application de chaleur/pression à celle-ci. La composition est caractérisée par le fait qu'elle est principalement composée d'une matière d'origine végétale sous la forme d'une poudre ou de petits morceaux et d'un acide polycarboxylique. On préfère que la composition contienne en outre un sucre. La composition est utile comme composition de moulage ou comme composition pour le collage du bois. Un corps moulé peut être obtenu par addition d'un acide polycarboxylique et d'un sucre sous la forme d'une solution dans une matière d'origine végétale sous la forme de petits morceaux, et l'application de chaleur/pression à celle-ci.

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