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1. WO2016005026 - FLEXIBLE HIGH-DENSITY FIBERBOARD AND METHOD FOR MANUFACTURING THE SAME

Publication Number WO/2016/005026
Publication Date 14.01.2016
International Application No. PCT/EP2015/001238
International Filing Date 16.06.2015
IPC
B27N 3/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
3Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N 3/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
3Manufacture of substantially flat articles, e.g. boards, from particles or fibres
04from fibres
CPC
B27N 1/003
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
1Pretreatment of moulding material
003for reducing formaldehyde gas emission
B27N 3/002
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
3Manufacture of substantially flat articles, e.g. boards, from particles or fibres
002characterised by the type of binder
B27N 3/04
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
3Manufacture of substantially flat articles, e.g. boards, from particles or fibres
04from fibres
B27N 3/28
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
3Manufacture of substantially flat articles, e.g. boards, from particles or fibres
08Moulding or pressing
28characterised by using extrusion presses
B27N 7/005
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
NMANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
7After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
005Coating boards, e.g. with a finishing or decorating layer
Applicants
  • UNIVERSITÄT STUTTGART INSTITUT FÜR TRAGKONSTRUKTIONEN UND KONSTRUKTIVES ENTWERFEN [DE]/[DE]
Inventors
  • DAHY, Hanaa
  • KNIPPERS, Jan
Agents
  • HOCK, Joachim
Priority Data
14 002 343.308.07.2014EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FLEXIBLE HIGH-DENSITY FIBERBOARD AND METHOD FOR MANUFACTURING THE SAME
(FR) PANNEAU SOUPLE DE FIBRES DE HAUTE DENSITÉ ET SON PROCÉDÉ DE FABRICATION
Abstract
(EN) A flexible high-density fiberboard which is essentially free of formaldehyde and isocyanates comprises 70 to 90 % by weight of straw fibers, and 30 to 10 % by weight of a thermoplastic elastomer and one or more optional additive(s). Furthermore, a method for manufacturing such a flexible high-density fiberboard comprises the steps of providing straw fibers, providing a thermoplastic elastomer in powder form, optionally providing one or more additive(s), dry mixing the straw fibers, the thermoplastic elastomer powder and optionally the one or more additive(s), such that a mixture comprising 70 to 90 % by weight of the straw fibers, and 30 to 10 % by weight of the thermoplastic elastomer and one or more of the optional additive(s) is obtained, extruding the obtained mixture at a temperature such that the thermoplastic elastomer powder is in a molten state, and pressing the extruded mixture.
(FR) L'invention porte sur un panneau souple de fibres de haute densité qui est essentiellement exempt de formaldéhyde et d'isocyanates et qui comporte de 70 à 90 % en poids de fibres de paille, de 30 à 10 % en poids d'un élastomère thermoplastique et un ou plusieurs additifs facultatifs. L'invention porte en outre sur un procédé de fabrication d'un tel panneau souple de fibres de haute densité, ledit procédé comprenant les étapes consistant à utiliser des fibres de paille, à utiliser un élastomère thermoplastique sous forme de poudre, à utiliser, facultativement, un ou plusieurs additifs, à mélanger à sec les fibres de paille, la poudre élastomère thermoplastique et, facultativement, le ou les additifs, de telle sorte qu'un mélange comportant de 70 à 90 % en poids de fibres de paille, de 30 à 10 % en poids de l'élastomère thermoplastique et un ou plusieurs additifs facultatifs, est obtenu, à extruder le mélange obtenu à une température telle que la poudre élastomère thermoplastique est dans un état fondu et à presser le mélange extrudé.
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