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Tannins extraction from bark for industrial applications, laboratory study

https://library.fpinnovations.ca/en/permalink/fpipub7929
Author
Gandrieau, Simon
Date
March 2020
Material Type
Research report
Field
Pulp & Paper Manufacturing
Author
Gandrieau, Simon
Date
March 2020
Material Type
Research report
Physical Description
11 p.
Sector
Pulp Paper and Bioproducts
Field
Pulp & Paper Manufacturing
Research Area
Thermal Process
Subject
Aboriginal
Bark
Extractives
Biostimulants
Language
English
Abstract
FPInnovations was approached to investigate the extraction of tannin from tree bark in British Columbia (BC). FPInnovations has been working on bark extraction over the last few years and proposed to focus this study on Western Hemlock which showed high tannin content in previous work. The extraction method developed by FPInnovations uses chemicals and elaborate equipment that requires the work to be conducted under strongly controlled conditions, such as a chemical laboratory. This report aimed to find a simpler extraction protocol that could potentially be used by coastal First Nations communities or other parties interested in extracting tannin from bark at a relatively small scale.
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Reinforcing phenolic resins with nanocrystalline cellulose (NCC) for manufacturing wood composite panels

https://library.fpinnovations.ca/en/permalink/fpipub6018
Author
Wang, Xiang-Ming
Bouchard, Jean
Zhang, Yaolin
Jiang, Z.H.
Date
January 2013
Edition
42915
Material Type
Research report
Field
Bioproducts
PDF
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Author
Wang, Xiang-Ming
Bouchard, Jean
Zhang, Yaolin
Jiang, Z.H.
Contributor
Québec Ministère des Ressources naturelles
Date
January 2013
Edition
42915
Material Type
Research report
Physical Description
57 p.
Sector
Wood Products
Field
Bioproducts
Research Area
Transformation Interfaces
Subject
Test methods
Nanocrystalline cellulose (NCC)
Adhesives
Phenolic resins
Wood composite panels
Series Number
E-4822
Location
Québec, Québec
Language
English
Abstract
The main objective of this project was to introduce NCC into the phenolic resin system as a reinforcing agent for improving the resin’s bond quality and durability in the manufacture of oriented strand board (OSB). The approaches adopted in this project can be outlined as follows: Develop a procedure or a new process technology to uniformly incorporate NCC into the phenolic resin system including phenol-formaldehyde (PF) and lignin-based PF resin; Develop new formulations for the NCC-phenolic adhesive system in both liquid and powder forms; Characterize NCC-PF and NCC-lignin-PF resins with differential analytical techniques; Manufacture OSB panels with NCC-PF and NCC-lignin-PF resins; Quantify the performance improvement of OSB panel by evaluating the resulting panel for physical and mechanical properties.
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