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Accelerated durability testing of wood-base fiber and particle panel materials

https://library.fpinnovations.ca/en/permalink/fpipub1494
Author
Unligil, H.H.
Date
March 1982
Edition
37999
Material Type
Research report
Field
Wood Manufacturing & Digitalization
considerable interest has developed in expanding the market by producing panels suitable for new areas
Author
Unligil, H.H.
Date
March 1982
Edition
37999
Material Type
Research report
Physical Description
7 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Wood
Panels
Materials
Series Number
CFS/DSS project no 12/81-82
3-65-57-016
E-23
Location
Ottawa, Ontario
Language
English
Abstract
Composite materials - Durability
Wood-based panels
Wood-based panels - Durability
Wood Based Composites
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Optimization of a newly developed process of making composites from waste wood fibre and mixed plastics

https://library.fpinnovations.ca/en/permalink/fpipub41747
Author
Sean, Trek
Date
March 1996
Material Type
Research report
Field
Wood Manufacturing & Digitalization
. SUMMARY Composite panels were manufactured from waste wood and recycled, mixed plastics. The effects
Author
Sean, Trek
Date
March 1996
Material Type
Research report
Physical Description
26 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Wood
Recycling
Plastics
Panels
Series Number
E-2926
Location
Sainte-Foy, Québec
Language
English
Abstract
Composite panels were manufactured from waste wood and recycled, mixed plastics. The effects of key processing parameters including wood fibre content on the mechanical and physical properties of panels produced were evaluated. Chemical treatments of the recycled wood fibre were conducted to improve the dispersion and adhesion of fibres within the matrix. The morphology of the plastic/wood interface was examined critically using a scanning electron microscope (SEM). Experimental work on the hot processing of panels showed that a commercial high speed mixer, (K-mixer) failed to produce a uniform dispersion of the composite materials. The wet process studied presented a good option fro making composites from recycled wood and plastics. A significant improvement in bending strength and stiffness was observed for panels containing up to 60% wood fibre. However, because of the large amount of water required for the wet process, this technique was considered a less desirable approach. Dry processing appears to be the most environmentally sound method and produced panels with mechanical properties similar to those produced by the wet process. The SEM study on fracture interfaces elucidated the relationships between wood fibre/plastic matrix and mechanical properties of panels. Chemical treatments of recycled wood fibres were found to relieve the compatibility problem between wood and plastic, improving the adhesion between these components. Experimental work has also revealed that a commercial microwave generator can be employed to preheat mats prior to hot pressing.
Waste Wood Fibre
Mixed Plastics (Recycled)
Composite panels
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