EP2802442A1 - Panneau d'agglomeres a base des graines d'arbres de la famille des casuarinas (filaos) et de la gomme arabique - Google Patents

Panneau d'agglomeres a base des graines d'arbres de la famille des casuarinas (filaos) et de la gomme arabique

Info

Publication number
EP2802442A1
EP2802442A1 EP12727409.0A EP12727409A EP2802442A1 EP 2802442 A1 EP2802442 A1 EP 2802442A1 EP 12727409 A EP12727409 A EP 12727409A EP 2802442 A1 EP2802442 A1 EP 2802442A1
Authority
EP
European Patent Office
Prior art keywords
gum arabic
casuarinas
seeds
family
filaos
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12727409.0A
Other languages
German (de)
English (en)
Other versions
EP2802442B1 (fr
Inventor
Etienne Christ Yves Thibault
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THIBAULT, ETIENNE CHRIST YVES
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2802442A1 publication Critical patent/EP2802442A1/fr
Application granted granted Critical
Publication of EP2802442B1 publication Critical patent/EP2802442B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres

Definitions

  • the present invention relates to agglomerated panels based on seeds of filao (casuarina equisetifolia) and gum arabic extracted from acacia Senegal.
  • the agglomerates obtained have problems such as:
  • Filaos are native to Asia, but present in tropical regions. The fruits are globular cones or are lodged with tiny seeds that are extracted and crushed
  • thermoplastics / natural fiber products Production of thermoplastics / natural fiber products
  • Oil-based wood preservative composition for processing posts, posts, piles, sleepers and other wooden structures Oil-based wood preservative composition for processing posts, posts, piles, sleepers and other wooden structures
  • the production of sinter panels based on particles of filao seeds and gum arabic resin comprises 5 (five) main phases namely:
  • the basic raw material for chipboard consists of seeds contained in the fruits of the filao (casuarina equisetifolia).
  • the preparation of the seedbed consists in harvesting the fruits of the filao and crushing them to obtain a powder of fine granulometry (2 to 5 microns).
  • the mixture makes it possible to obtain a paste of particles of filao seeds agglomerated by the natural adhesive of gum arabic.
  • the paste is shaped in a mechanical press or the mattress is compacted to a density and to the desired thickness.
  • the pressing makes it possible to solidify the particles of the filao seeds and to stabilize the shape of the chipboard panels. The higher the pressure, the harder the panels.
  • the panels are exposed to the sun for 72 hours before being stored and made available for various uses:
  • the agglomerated panels obtained by the invention are heavier, stronger and more compact than low-waste wood panels.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

L'invention porte sur des panneaux d'agglomérés à base des graines d'arbres de la famille des casuarinas equisetifolia dont le filao. Les graines après récolte sont transformées en poudre de fines granulométrie qui est mélangée avec le liquide obtenu par dissolution de la gomme arabique dans de l'eau tiède (50°). Le résultat du mélange est un matelas pour panneau d'aggloméré dont la forme et la densité sont fonction des utilisations envisagées (panneaux dure ou isolants).

Description

Panneau d'agglomérés à base des graines d'arbres de la famille des casuarinas
(filaos) et de la gomme arabique
La présente invention concerne des panneaux en agglomères à base des graines de filaos (casuarina equisetifolia) et de la gomme arabique extraite de l'acacia Sénégal.
On sait jusqu'à présent que les différentes sortes d'agglomérés sont des panneaux constitués de copeaux de bois, de chutes, de résidus des industries du bois ou les pièces de bois sont encollées avec des résines urée-formaldéhydes (UF) lors d'un pressage à haute température.
Les agglomères obtenus présentent des problèmes tels que :
■ Effritement au contact de l'eau
■ Usure élevée
■ Faible résistance aux chocs
■ Nécessité d'utiliser des résines synthétiques avec comme conséquence des effets nuisible sur la santé lors de la fabrication des panneaux de bois
■ Dégâts causés à l'environnement par l'abatage d'arbres
Le filaos est originaire d'Asie, mais présent dans les régions tropicales. Les fruits sont des cônes globuleux ou se logent de minuscules graines qui extraites et concassées
peuvent être agglomérés par une résine naturelle telle que la gomme arabique.
L'investigation de l'état de la technique connue de l'inventeur, en rapport avec le domaine de l'invention, a permis d'identifier les sources d'information scientifiques et techniques ci- après :
A- Sources d'information scientifiques et techniques non Brevet :
■ Modem particle board and dry-process fibreboard manufacturing
THOMAS. M. MALONEY
Professeur de Sciences et Techniques des matériaux (Université de ΙΈΤΑΤ de
WASHINGTON à PULMAN ETATS UNIS)
■ Pourquoi tant de déchets de bois sont ils des déchets dangereux ?
DR. Sophie des Moulins - KRAW/IEC
Responsable Procède et Réglementation THERMYA des moulins @thermya.com Contre plaque, agglomères et risques pour la santé
Wikimedia Foundation Les adhésifs dans l'Egypte ancien
Les grandes inventions de l'humanité jusqu'à 1850 GERAL MESSADIE (P.123) SI Sources d'informations scientifiques et techniques « brevet » :
Production of thermoplastics/ natural fiber products
DE 20021010107
Compositions de revêtement durcissables à l'humidité à basse température et procédés apparentes
WO/2010/12 66 42
Composition de liant
WO/2011/043937
Association de pyrimethanil et de monoterpenese
WO/2011/15 4487
■ Matériaux composites renforcés de fibres et procédés de fabrication associés
PCTUS 2010/044 665
Composition de conservation de bois à base d'huile pour le traitement de poteaux, montants, de pieux, de traverses et d'autres structures en bois
PCT/EP 2009/007026
Feuille pressée à base d'un matelas réticulaire des racines et d'adhésif, son procédé d'obtention et panneau analogue à du bois réalisé avec la dite feuille
PCT/CL 2009/000017
Novel composite matériels comprising a thermoplastic matrix polymer and Wood particulars
PCT/F 12010/050186 L'examen des sources d'information scientifique et technique, n'a pas permis d'identifier des inventions ou innovations qui utilisent les particules des graines de filao et de la gomme arabique pour la fabrication de panneaux d'aggloméré contrairement à l'objet de la présente invention.
Cl Manière de réaliser l'invention
La réalisation de panneaux d'aggloméré à base de particules des graines de filao et de la résine propre à la gomme arabique comprend 5 (cinq) phases principales à savoir :
1- Préparation de la matière première
La matière première de base pour les panneaux d'aggloméré est constituée de graines contenues dans les fruits du filao (casuarina equisetifolia).
La préparation du matelas de graines consiste à récolter les fruits du filao et de les concasser pour obtenir une poudre de fine granulométrie (2 à 5 microns).
2- dissolution dans de l'eau tiède (50°) de la gomme arabique issue généralement des arbres d'acacia Sénégal. On obtient alors un adhésif naturel.
3- Mélange de la matière première (1) avec le liquide visqueux (2) selon un pourcentage de 60- 40. Par exemple pour obtenir 1 mètre d'aggloméré, il faut 60 kg de matière première et 40 litres de liquide de gomme arabique.
Le mélange permet d'obtenir une pate de particules de graines de filao aggloméré par l'adhésif naturel de la gomme arabique.
4- Pressage du panneau
La pate est mise en forme dans une presse mécanique ou l'on compacte le matelas à une densité et à l'épaisseur voulue. Le pressage permet de solidifier les particules des graines de filao et de stabiliser la forme des panneaux d'aggloméré. Plus la pression est forte, plus les panneaux sont durs.
5- Séchage
Les panneaux sont exposés au soleil pendant 72 H avant leur entreposage et leur mise à disposition pour différentes utilisation :
■ panneaux durs pour la fabrication de placards, de meuble de cuisine etc.... ■ panneaux isolants pour des revêtements muraux etc....
Les panneaux agglomérés obtenus par l'invention sont plus lourds, plus résistants et plus compacts que les panneaux à basse de déchets de bois.
Ils permettent de valoriser autrement des arbres de la famille des casuarinas (Filaos à feuille de perle, bois de fer, pins australiens) de même que les gommes issus des arbres d'acacias tels que l'acacia Sénégal.
La technologie utilisée, connue, est constituée essentiellement
■ D'extracteurs de graines
■ de concasseurs
■ de mélangeur

Claims

REVENDICATIONS
1- Panneaux d'agglomérés a base de graines d'arbres de la famille des casuarinas equisetifolia et de la gomme arabique extraite de l'acacia Sénégal.
2- Panneaux d'agglomérés selon la revendication 1 caractérisée en ce que les graines du casuarina sont après transformation en poudre, mélangées avec du liquide provenant de la dissolution dans de l'eau tiède de la gomme arabique.
EP12727409.0A 2012-01-10 2012-03-22 Panneau d'agglomérés à base des graines d'arbres de la famille des casuarinas (filaos) et de la gomme arabique Active EP2802442B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
OA1201200025 2012-01-10
PCT/IB2012/000613 WO2013104944A1 (fr) 2012-01-10 2012-03-22 Panneau d'agglomeres a base des graines d'arbres de la famille des casuarinas (filaos) et de la gomme arabique

Publications (2)

Publication Number Publication Date
EP2802442A1 true EP2802442A1 (fr) 2014-11-19
EP2802442B1 EP2802442B1 (fr) 2018-07-25

Family

ID=46275905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12727409.0A Active EP2802442B1 (fr) 2012-01-10 2012-03-22 Panneau d'agglomérés à base des graines d'arbres de la famille des casuarinas (filaos) et de la gomme arabique

Country Status (2)

Country Link
EP (1) EP2802442B1 (fr)
WO (1) WO2013104944A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004011231A1 (de) * 2004-01-27 2005-08-11 Wtb Biotech Gmbh Mehrkomponenten-Bindemittel und dessen Verwendung
WO2010112664A1 (fr) 2009-03-30 2010-10-07 Nokia Corporation Extension de la couverture de telecommunications
CL2009001830A1 (es) * 2009-09-09 2011-07-29 Rootman Spa Procedimiento de obtencion de una lamina de radicula prensada que comprende producir un colchón reticular, dejar crecer, cortar, drenar, agregar adhesivo, prensar; y procedimiento para fabricar un panel.
ES1072591Y (es) 2010-02-26 2010-10-28 Telnet Redes Inteligentes S A Monoposte publicitario con estacion para telefonia movil
AU2011263720B2 (en) 2010-06-10 2013-11-07 Janssen Pharmaceutica Nv Combinations of pyrimethanil and monoterpenes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013104944A1 *

Also Published As

Publication number Publication date
EP2802442B1 (fr) 2018-07-25
WO2013104944A1 (fr) 2013-07-18

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