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| Title | Publication | Publish Year |
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Durability of Urea-Resin Glues Modified with Polyvinyl Acetate and Blood
Room-temperature-setting glues tested in this study included urea formaldehyde and three urea modified glues of polyvinyl acetate. Hot press glues tested included urea-formaldehyde and three urea-modified glues of blood and […]
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Forest Products Journal | 1964 |
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Durability of Woodworking Glues for Dwellings
This report covers extensive tests made at the Forest Products Laboratory on casein and synthetic resin glues. The suitability of these glues for use in house construction was evaluated. Plywood […]
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Forest Products Journal | 1949 |
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Durability of Woodworking Glues in Different Types of Assembly Joints
Seven types of assembly joints of six maple were glued with 11 different glues, representing six glue types including animal, casein, urea, resorcinol, phenol-resorcinol, and polyvinyl resin. The joints were […]
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Forest Products Journal | 1953 |
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Edge Gluing Engineering and Production Systems
The new system of electronic heating has proved especially adaptable to edge-gluing of lumber panels, where “selective heating” can be used, because it is in the edge-gluing operation that the […]
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Forest Products Journal | 1948 |
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Edge-Gluing Unseasoned Spruce-Pine-Fir Lumber Using a Preheating Method
Temperature profile curves were measured for both dry and unseasoned western spruce heated in an oven at temperatures of 100?, 125?, 150?, and 175?C. The temperature curves showed the heat […]
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Forest Products Journal | 1983 |
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Effect of a Decorative Vinyl Overlay on Formaldehyde Emissions
A series of tests were conducted in large laboratory chambers to compare formaldehyde emission potential from vinyl overlaid and unfinished hardwood plywood surfaces. Small scale desiccator tests were conducted on […]
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Forest Products Journal | 1984 |
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Effect of adhesive applied to the tooth-wood interface on metal-plate connections loaded in tension
The structural behavior of metal-plate connections (MPCs) is affected not only by the isolated properties of the adjoining wood members and metal plate but also by the interfacial region between […]
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Forest Products Journal | 1991 |
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Effect of Angular Loading on Glue Line Strength
Kiln-dried boards of American beech (Fagus grandifolia) were planed to a uniform thickness of 26/32 inch and ripped into strips 2-1/2 inches wide and 27 inches long. These strips were […]
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Forest Products Journal | 1957 |
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Effect of Certain Variables on Strength of Glued End Joints
Butt end joints in balsa glued with resorcinol resin were prepared with three glue viscosities and two surface preparations over a wide range of specific gravities. Up to a specific […]
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Forest Products Journal | 1960 |
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Effect of Curing Temperature on Rate of Cure and Quality of Casein Glued Joints
This report is a summary of several studies on the effect of curing temperatures below 70?F on the rate of cure and bond quality of casein glues. Three commercial brands […]
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Forest Products Journal | 1965 |
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Effect of Extending Hot Press Urea Resin with Different Types of Wheat and Rye Flour on the Strength and Water Resistance of the Glue Joints
Plywood shear test specimens were taken from panels glued with 60 different glue mixtures. The flour extensions ranged from zero to 100 percent or resin solids, but the catalyst to […]
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Forest Products Journal | 1949 |
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Effect of fiber mat moisture content on physical properties of polyisocyanate-bonded hardboard
This paper reports on the effects of fiber mat moisture content (MMC) (8%, 15%, and 22%) on the physical properties of hardboard bonded at a 3 percent diphenylmethane-diisocyanate (MDI) adhesive […]
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Forest Products Journal | 1993 |
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Effect of fiber mat moisture content on strength properties of polyisocyanate-bonded hardboard
This paper reports on the effects of fiber mat moisture content (MMC) (8%, 15%, and 22%) on strength properties of hardboard bonded at a 3 percent diphenylmethane diisocyanate (MDI) adhesive […]
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Forest Products Journal | 1992 |
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Effect of finger geometry and end pressure on the flexural properties of finger-jointed tropical African hardwoods
Finger-joints from three tropical African hardwoods, Obeche (Triplochiton scleroxylon), Makore (Tieghemella heckelii), and Moabi (Baillonella toxisperma), were prepared using three finger profiles, three end pressures, and resorcinol-formaldehyde adhesive, to assess […]
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Forest Products Journal | 2000 |
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Effect of Formation Variables on Properties of Wood Particle Moldings
Pressure exerted on the molding mix in heated dies has a highly significant effect on bending strength, water absorption, specific gravity, and superficial hardness of the finished moldings. Pressure had […]
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Forest Products Journal | 1959 |
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Effect of Gluing Conditions on Veneer Finger-Joint Bond Quality for Laminated-Veneer Lumber
Veneer fingerjoints were fabricated under various levels of temperature, assembly time, and pressing time using 0.64-cm laboratory-peeled western hemlock (Tsuga heterophylla) veneer and phenol-resorcinol formaldehyde resin. The joints developed tensile […]
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Forest Products Journal | 1980 |
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Effect of moisture content and temperature on tension strength of fingerjoined black spruce lumber
To optimize product performance, the various parameters which can influence the complex fingerjointing process must be evaluated. Among key variables are the conditions of the lumber blanks including moisture content […]
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Forest Products Journal | 2005 |
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Effect of Moisture Content on the Performance and Appearance of Resorcinol Glue Lines in Laminated Oak Lumber
Study revealed that in laminating red oak with a warm- setting resorcinol resin, it is possible to produce glue joints having satisfactory strength when the moisture content of the lumber […]
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Forest Products Journal | 1956 |
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Effect of moisture cycling on truss-plate joint behavior
The structural performance of wood trusses, which are now commonplace in light-frame construction, is dictated in part by the mechanical properties of the truss-plate joints. However, little information exists quantifying […]
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Forest Products Journal | 1994 |
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Effect of Particle Geometry and Resin Spread on Glue-Line Thickness and Distribution in Oak Flakeboard
Combinations of flake dimensions and resin contents common in commercial operations were used in preparing laboratory samples of flakeboard. A fluorescent dye was incorporated in the resin for later examination […]
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Forest Products Journal | 1961 |
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Effect of Particle Size and Shape on Strength and Dimensional Stability of Resin-Bonded Wood-Particle Panels
Precisely-cut wood particles in the form of flat flakes, thin strands, helical ribbons, and cubes were converted to resin-bonded panels. The panels ranged from 0.5 to 1.05 specific gravity. They […]
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Forest Products Journal | 1954 |
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Effect of Plywood Glue Lines on the Accuracy of Moisture-Meter Indications
The objective of this study was to determine the errors of moisture-meter indications when used or plywood. Five panels were made for each of two species, Douglas fir and yellow […]
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Forest Products Journal | 1949 |
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Effect of polyisocyanate level on physical properties of wood fiber composite materials
This study examined the effects of using higher diphenylmethane diisocyanate (MDI) levels (3%, 10%, 20%, and 30%) on physical properties of wood fiber composites and contrasts them with wood fiber […]
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Forest Products Journal | 1994 |
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Effect of polyisocyanate level on strength properties of wood fiber composite materials
The development of strong, durable, and hydrophobic wood composite materials that can be manufactured in a technically simple and efficient operation have been sought by wood scientists and industry for […]
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Forest Products Journal | 1994 |
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Effect of Resin Content and Density on Acoustic Emission from Particleboard During Internal Bond Testing
Handmade particleboard, representing a wide range of density and resin levels, was tested for internal bond (IB) while monitored for acoustic emission (AE) events. The 175-kHz AE sensor was mounted […]
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Forest Products Journal | 1986 |