A new adhesive for fiber boards
An adhesive binder for bonding together lignocellulosic particles, fibers and flakes of vegetable origin to form particle boards, fiber boards, flake boards and similar wood-based products, comprising a solublized fraction obtained by enzymatic treatment of fibrous, lignocellulosic raw materials. Th...
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| creator | LARS GADDA PIA QVINTUS-LEINO ANNELI HASE KIRSI KATAJA LIISA VIIKARI SIMO TUOMINEN |
| description | An adhesive binder for bonding together lignocellulosic particles, fibers and flakes of vegetable origin to form particle boards, fiber boards, flake boards and similar wood-based products, comprising a solublized fraction obtained by enzymatic treatment of fibrous, lignocellulosic raw materials. The present binder can be obtained by treating fibrous lignocellulosic raw material with a hydrolytic enzyme in an aqueous medium, recovering the solubilized material of the enzymatic treatment, forming an aqueous suspension containing said material and an oxidase, and oxidizing said material in the presence of said oxidase by introducing oxygen-containing gas into the supension. This method thus produces an increased amount of a water-soluble fraction containing carbohydrates, extractives and lignin useful as an adhesive binder. |
| format | Patent |
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The present binder can be obtained by treating fibrous lignocellulosic raw material with a hydrolytic enzyme in an aqueous medium, recovering the solubilized material of the enzymatic treatment, forming an aqueous suspension containing said material and an oxidase, and oxidizing said material in the presence of said oxidase by introducing oxygen-containing gas into the supension. 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The present binder can be obtained by treating fibrous lignocellulosic raw material with a hydrolytic enzyme in an aqueous medium, recovering the solubilized material of the enzymatic treatment, forming an aqueous suspension containing said material and an oxidase, and oxidizing said material in the presence of said oxidase by introducing oxygen-containing gas into the supension. This method thus produces an increased amount of a water-soluble fraction containing carbohydrates, extractives and lignin useful as an adhesive binder.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES FIBREBOARD MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER-MAKING POLISHES PRODUCTION OF CELLULOSE TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES |
| title | A new adhesive for fiber boards |
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