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Madison, WI 53726-2398
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Title: Integrating multi-scale studies of adhesive penetration into wood

Source: In: Hunt, C.G.; Smith, G.D.; Yan, N. eds. Proceedings, 2017 international conference on wood adhesives. Peachtree Corners, GA: Forest Products Society. 13 p.

Author(s)Jakes, Joseph E.; Frihart, Charles R.; Hunt, Christopher G.;  Yelle, Daniel J.; Plaza, Nayomi ; Lorenz, Linda ; Ching, Daniel J.

Publication Year: 2017  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4707-2B

Abstract: The development of new and improved wood adhesives is hindered by an incomplete mechanistic understanding of what makes a wood-adhesive bond able to withstand changes in moisture levels. Although common methods are used to test and report the bulk level properties of bondlines, such as bondline shear strength and wood failure analysis, sufficient experimental tools to study wood-adhesive bondlines and the effects of moisture at the nm- to mm-length scales are lacking. Here we review recently developed tools that, when combined, are capable of studying bondlines and the effects of moisture across these length scales. The tools include X-ray computed tomography (XCT), X-ray fluorescence microscopy (XFM), nanoindentation, and small angle neutron scattering (SANS). Their utility has been demonstrated by studying model bondline systems using phenol formaldehyde adhesives. The combined results lead to new insights towards understanding moisture durability in wood-adhesive bondlines and a new model to facilitate the discussion of adhesive penetration into the wood nanostructure.

Keywords: Wood adhesive; penetration; moisture; durability

Publication Review Process: Informally Refereed (Peer-Reviewed)

File size: 1,024 kb(s)

Date posted: 07/17/2018

This publication is also viewable on Treesearch:  view
RITS Product ID: 90595
Current FPL Scientists associated with this product (listed alphabetically)
Frihart, Charles R.
Research Chemist
Hunt, Christopher G.
Research Chemist
Jakes, Joseph
Research Materials Engineer
Plaza Rodriguez, Nayomi
Research Materials Engineer
Yelle, Daniel
Research Forest Products Technologist
 

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