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Panneaux dérivés du bois : rapport spécial

https://library.fpinnovations.ca/en/permalink/fpipub41816
Author
Poliquin, L.
Date
October 1998
Material Type
Research report
Field
Wood Manufacturing & Digitalization
Author
Poliquin, L.
Date
October 1998
Material Type
Research report
Physical Description
129 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Strands
Research
Plywood
Panels
OSB
Oriented strandboard
Orientation
MDF
Materials
Hardwoods
Building materials
Adhesives
Series Number
E-3037
Location
Sainte-Foy, Québec
Language
French
ISBN
086488530X
ISSN
7068468
Abstract
L'innovation technologique a sans nul doute été l'élément moteur dans la croissance remarquable qu'a connu l'industrie canadienne du panneau de bois au cours des 50 dernières années. Le défi consiste maintenant à définir la direction qu'elle doit prendre pour respecter l'évolution du marché et de la consommation. La carte routière se veut un guide qui aidera l'industrie à relever ce défi en identifiant les techniques nouvelles et prometteuses et en suggérant certaines priorités pour l'avenir. Aussi cette publication propose des recommandations quant à l'infrastructure et à l'encadrement qui pourraient aider les divers secteurs de l'industrie à accélérer pour s'engager sur la voie rapide de l'innovation. La carte routière technologique porte sur les types de panneaux suivants: contreplaqués de résineux, panneaux de lamelles orientées (OSB), panneaux de particules et panneaux de fibres de moyenne densité (MDF). Les contreplaqués de feuillus sont couverts en moindre détail. Aussi quelques mentions sont faites sur les matériaux hybrides qui combinent plusieurs types de panneaux ou des composantes nouvelles.
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Pressing optimization using self-generated steam in thick veneer panel products

https://library.fpinnovations.ca/en/permalink/fpipub37477
Author
Troughton, G.E.
Date
April 1998
Material Type
Research report
Field
Wood Manufacturing & Digitalization
of veneer m.c. under mill conditions would be very important. All the panels prepared under a variety
Author
Troughton, G.E.
Date
April 1998
Material Type
Research report
Physical Description
13 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Veneer manufacturing
Veneer
Pressing
Plywood manufacture
Plywood
Panels
Laminate product
Series Number
W-1513
Location
Vancouver, British Columbia
Language
English
Abstract
Experiments were conducted to evaluate pressing of plywood and LVL using self-generated steam. For the 13-ply SPF LVL experiments, the average moisture content (avg. m.c.) in the outermost incised veneers was varied from 10 to 14% and for the 15-ply aspen LVL experiments the avg. m.c. was varied from 8 to 12%. For the 7-ply SPF plywood experiments, the avg. m.c. in the outermost incised veneers was 10 and 15%. In these experiments the controls and core incised veneers were 2% avg. m.c. Using the highest avg. m.c. in the outermost incised veneers, the pressing time for 13-ply SPF LVL was reduced by 31.1% and for 15-ply aspen LVL, 30.8 % and for 7-ply SPF plywood, 38.7%, compared to conventional hot platen pressing. The results showed that small changes in the avg. m.c. of the outermost veneers had a large effect on pressing time. Therefore, careful control of veneer m.c. under mill conditions would be very important. All the panels prepared under a variety of self-generated steam conditions exhibited excellent bond quality and the average % wood failure was much greater than 80% in all cases, thereby meeting the average % wood failure requirement in the CSA 0151 plywood standard. An economic analysis of return on investment for thick plywood products and LVL using self-generated steam pressing showed that a manufacturing plant would make a profit of about $3,000,000 per year.
Lumber, Laminated veneer - Pressing
Lumber, Laminated veneer - Manufacture
Veneers - Pressing
Veneers - Manufacture
Plywood - Panels - Pressing
Plywood - Manufacture
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Review of synthetic patch use for veneer products

https://library.fpinnovations.ca/en/permalink/fpipub37473
Author
Andersen, Axel W.
Date
June 1998
Material Type
Research report
Field
Wood Manufacturing & Digitalization
from knots and defects. These plywood panels are used where a high quality finish is required or where
Author
Andersen, Axel W.
Date
June 1998
Material Type
Research report
Physical Description
6 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Specifications
Plywood
Panels
Canada
Specification
Series Number
W-1501
Location
Vancouver, British Columbia
Language
English
Abstract
Face veneers for high-grade plywood have solid wood surfaces free from knots and defects. These plywood panels are used where a high quality finish is required or where the surface appearance is very important. For less strenuous requirements the use of a patching compound to cover and seal open defects has become accepted in the international market place. Certification agencies evaluate plywood panel quality and durability and offer consumer assurance that the panel will perform satisfactorily over an extended period. With evolution of the plywood industry and their suppliers, new patching materials and methods have come into use. The long-term performance of plywood patches made with these new materials and methods may affect the long-term durability of the plywood panel. Currently available literature was reviewed to determine if current plywood industry patch test methods are adequate to meet consumer needs.
Plywood - Patching
Plywood - Panels
Plywood - Specifications - Canada
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Wood-based panel products : special report

https://library.fpinnovations.ca/en/permalink/fpipub41851
Author
Poliquin, L.
Date
October 1998
Material Type
Research report
Field
Wood Manufacturing & Digitalization
Author
Poliquin, L.
Date
October 1998
Material Type
Research report
Physical Description
119 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Strands
Research
Plywood
Panels
OSB
Oriented strandboard
Orientation
MDF
Materials
Hardwoods
Building materials
Adhesives
Series Number
Technology roadmap
E-3153
Location
Sainte-Foy, Québec
Language
English
ISBN
0864885318
ISSN
03817733
Abstract
Technological innovation has proven to be the prime vehicule for the remarkable development of the wood composite panel industry in Canada over the last half century. The challenge for the future is to maintain the place and to make appropriate choices in setting the direction of technological innovation. The Roadmap is intended to help the industry meet this challenge by establishing the importance of innovation to the major sectors in the panel industry and identifies new and promising technologies along with suggested priorities for the future. This document also lays out recommendations related to infrastructure and organization that may help the various sectors of the industry shift into high gear and assume a leadership role. The panel types included are: softwood plywood, oriented strandboard (OSB), particleboard and medium density fibreboard (MDF). Hardwood plywood is covered in less detail. Hybrid products which combine two or more panels, or panels with other materials, into a single product are also mentioned.
Adhesion and Adhesives - Composite Materials
Building materials - Composites - Research
Composite panels
Fiberboard
Hardwood Plywood
Plywood
Oriented Strand Board (OSB)
Medium Density Fibreboard (MDF)
Part of a technology roadmap series from Industry Canada: http://www.ic.gc.ca/eic/site/trm-crt.nsf/eng/rm00094.html
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