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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


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Title: Wood as Polar Size Exclusion Chromatography Media: Implications to Adhesive Performance

Source: Forest Prod. J. Volume 65, Number 1/2, 2015; pp. 9–14.

Author(s)Hunt, Christopher; O'Dell, Jane; Jakes, Joseph; Grigsby, Warren J.; Frihart, Charles R.

Publication Year: 2015  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4707-2B

Abstract: Although it is well known that wood can absorb liquids, the full impact of this phenomenon on resulting adhesive cure and performance is not well understood. In a related soy adhesive study, aspects of this phenomenon were not fully anticipated and resulted in a significant impact on adhesive bond quality. In essence, the wood being bonded acted like chromatography media, filtering relatively smaller molecules from the surrounding adhesive matrix and altering the local composition of the adhesive material. Through the use of soy adhesives containing glycerin, the infiltration of glycerin analogs into wood cell walls has been determined and related with the impact on bondline and wood properties. The impacts of infiltration and chromatographic separation on the cured adhesive are also discussed.

Keywords: Soy; infiltration; penetration; nanoindentation; glycerin

Publication Review Process: Non-Refereed (Other)

File size: 419 kb(s)

Date posted: 04/01/2015
RITS Product ID: 72542
Current FPL Scientists associated with this product (listed alphabetically)
Frihart, Charles R.
Research Chemist
Hunt, Christopher G.
Research Chemist
Jakes, Joseph
Research Materials Engineer

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