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Wetting behaviors of phenol- and urea-formaldehyde resins as compatiblizers

Understanding wetting behavior and surface coverage of resins on a wood surface is important to obtain satisfactory adhesion and optimize adhesive application for wood composite manufacturing. Sessile and micro-droplets of urea- and phenol-formaldehyde (UF and PF) resins were generated on wood surfaces to observe wetting behaviors using three directional image...

https://www.fs.usda.gov/treesearch/search?keywords=%22Generations%22&%3Bf%5B0%5D=year%3A%222019%22&f%5B0%5D=author_facet%3A%22Hse%2C%20Chung-Yun%22&f%5B1%5D=author_facet%3A%22Kennedy%2C%20Rebecca%22&f%5B2%5D=author_facet%3A%22Valentine%2C%20Harry%22&f%5B3%5D=author_facet%3A%22Poage%2C%20Nathan%22&f%5B4%5D=author_facet%3A%22Dodson%2C%20Erich%20Kyle%22&f%5B5%5D=author_facet%3A%22Sitz%2C%20Rachael%22&f%5B6%5D=author_facet%3A%22Dyson%2C%20David%22

Author(s):

Sangyeob Lee; Todd F. Shupe; Leslie H. Groom; Chung Y. Hse

Year:

2006

Keywords:

Wetting, sessile, micro-droplet, thermosets, droplet shape factors (DSF), atomic force microscopy (AFM)

Source:

Wood and Fiber Science, Vol. 39(3): 482-492

Influence of light and moisture on longleaf pine seedling growth in selection silviculture

Selection silviculture has become increasingly common for longleaf pine management, yet questions remain regarding residual canopy effects on seedling survival and growth. To determine what levels of residual overstory promote adequate seedling recruitment, 600 containerized longleaf pine seedlings were planted on two sites during the 2007-2008 dormant season. To...

Author(s):

David S. Dyson; Edward F. Loewenstein; Steven B. Jack; Dale G. Brockway

Year:

2012

Keywords:

Source:

In: Butnor, John R., ed. 2012. Proceedings of the 16th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-156. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 109-116.

Characterization of microwave liquefied bamboo residue and its potential use in the generation of nanofibrillated cellulosic fiber

Bamboo raw feedstocks with large particle size (20?80 mesh) were subjected to a microwave liquefaction system, and the liquefied products were separated into biopolyols and liquefied residues. Biopolyols were first analyzed by gas chromatography mass spectrometry (GC?MS), and the main components were sugar derivatives with 2?4 hydroxyl groups and phenolic compounds...

Author(s):

Jiulong Xie; Chung Hse; Chunjie Li; Todd F. Shupe; Tingxing Hu; Jinqiu Qi; Cornelis F. De Hoop

Year:

2016

Keywords:

Bamboo, Microwave liquefaction, Residue, Nanofibrillated cellulosic fiber, Characterization

Source:

ACS Sustainable Chemistry & Engineering

Extraction and characterization of seed oil from naturally-grown Chinese tallow trees

Seeds were collected from locally and naturally grown Chinese tallow trees (CTT) and characterized for general physical and chemical properties and fatty acid composition of the lipids. The effects of four different solvents (petroleum ether, hexane, diethyl ether, and 95 % ethanol) and two extraction methods (supercritical carbon dioxide (SC-CO2) and conventional...

Author(s):

Xiao-Qin Yang; Hui Pan; Tao Zeng; Todd F. Shupe; Chung-Yun Hse

Year:

2013

Keywords:

Fatty acid compositions, Lipid yield, Oilseed crop, Soxhlet extraction, Stillingia oil, Supercritical carbon dioxide extraction

Source:

Journal of the American Oil Chemists’ Society 90: 459-466

Design unbiased estimation in line intersect sampling using segmented transects

In many applications of line intersect sampling. transects consist of multiple, connected segments in a prescribed configuration. The relationship between the transect configuration and the selection probability of a population element is illustrated and a consistent sampling protocol, applicable to populations composed of arbitrarily shaped elements, is proposed. It...

Author(s):

David L.R. Affleck; Timothy G. Gregoire; Harry T. Valentine; Harry T. Valentine

Year:

2005

Keywords:

coarse woody debris, design-unbiasedness, multiple intersections, transect configuration

Source:

Environmental and Ecological Statistics. 12(1): 39-154.

A field test of cut-off importance sampling for bole volume

Cut-off importance sampling has recently been introduced as a technique for estimating bole volume to some point below the tree tip, termed the cut-off point. A field test of this technique was conducted on a small population of eastern white pine trees using dendrometry as the standard for volume estimation. Results showed that the differences in volume estimates...

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