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Gluability of Copolymer Resins Having Higher Replacement of Phenol by Southern Pine Foliage Extracts for Flakeboards and Composite Panels

Gluability of Copolymer Resins Having Higher Replacement of Phenol by Southern Pine Foliage... Introduction Foliage is the factory of chemical processes leading to the growth of a plant. The number of chemicals which can be derived from foliage is numerous.Thus, foliage offers a large potential raw material source for industrial use due to its valuable silvichemicals (Barton 1976, 1978, 1981; Keays 1976). Phenolic and other compounds contained in foliage have a simpler and smaller molecular structure than other wood constituents. Therefore, low molecular weight foliage compounds may possess great potential for use as phenol substitutes in phenol formaldehyde resins. Chow (1977) reported foliage exhibited good adhesive properties for bonding particleboards. Barton et al. (1978) also successfully used foliage as a substitute for wheat flour and conventional fillers in plywood glue mixes. As reported previously (Chen 1991), several phenolic copoiymer resins made of tree foliage extracts have been developed for gluing exterior grade structural plywood. The copoiymer resins, with a 40 percent weight replacement of phenol by tree foliage extracts, proved to have shorter press time requirements than commercial phenol formaldehyde resin, based on standard plywood glueline evaluation (Chen 1991), and flakeboards and composite panel properties (Chen 1992). Of particular interest is the fact that the copoiymer resins containing tree foliage extracts http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood de Gruyter

Gluability of Copolymer Resins Having Higher Replacement of Phenol by Southern Pine Foliage Extracts for Flakeboards and Composite Panels

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References (3)

Publisher
de Gruyter
Copyright
Copyright © 2009 Walter de Gruyter
ISSN
0018-3830
eISSN
1437-434X
DOI
10.1515/hfsg.1993.47.1.72
Publisher site
See Article on Publisher Site

Abstract

Introduction Foliage is the factory of chemical processes leading to the growth of a plant. The number of chemicals which can be derived from foliage is numerous.Thus, foliage offers a large potential raw material source for industrial use due to its valuable silvichemicals (Barton 1976, 1978, 1981; Keays 1976). Phenolic and other compounds contained in foliage have a simpler and smaller molecular structure than other wood constituents. Therefore, low molecular weight foliage compounds may possess great potential for use as phenol substitutes in phenol formaldehyde resins. Chow (1977) reported foliage exhibited good adhesive properties for bonding particleboards. Barton et al. (1978) also successfully used foliage as a substitute for wheat flour and conventional fillers in plywood glue mixes. As reported previously (Chen 1991), several phenolic copoiymer resins made of tree foliage extracts have been developed for gluing exterior grade structural plywood. The copoiymer resins, with a 40 percent weight replacement of phenol by tree foliage extracts, proved to have shorter press time requirements than commercial phenol formaldehyde resin, based on standard plywood glueline evaluation (Chen 1991), and flakeboards and composite panel properties (Chen 1992). Of particular interest is the fact that the copoiymer resins containing tree foliage extracts

Journal

Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Woodde Gruyter

Published: Jan 1, 1993

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