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| Title | Publication | Publish Year |
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The Ideal Glue–How Close Are We?
The first widely used dependable adhesives were animal glues. These glues had low water resistance, however, and required heating before mixing and application. In 1903 the first starch adhesive was […]
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Forest Products Journal | 1957 |
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The Influence of Flush Door Design on Door Plant Layout
Plant layout must be fitted to the type of door being manufactured. Hollow core doors may require more different lay-up operations than solid core doors. Standardization of door face thicknesses […]
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Forest Products Journal | 1954 |
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The Influence of Production Variables on Quality of Southern Pine Plywood
Laboratory plywood panels, 3/8 inch by 1 foot by 1 foot, were made using a variety of conditions and a standard phenolic adhesive consisting of 25.3 percent resin solids and […]
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Forest Products Journal | 1970 |
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The Kreibaum Process for Extruded Core Board
Discusses history and operation of a vertical extrusion process for manufacturing core stock developed by Otto Kreibaum of Germany in 1947. The wood may be either softwood or hardwood, or […]
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Forest Products Journal | 1955 |
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The lap-shear strength of droplets arrays of a PF-resin on OSB strands
The effect of resin droplet size and spacing on lap-shear strength was examined for a particular PF-resin system of the type commonly used in oriented strandboard (OSB). The goal of […]
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Forest Products Journal | 2003 |
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The performance of waferboard bonded with powdered phenol-formaldehyde resins with selected molecular weight distributions
Two liquid phenol-formaldehyde resins, of distinctly low and high molecular weights, were synthesized. Six powdered resins were prepared by blending the low and high molecular weight resins in proportions of […]
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Forest Products Journal | 1993 |
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The Screw-Holding Power of Veneered and Laminated Wood Panels
Solid wood, plywood, lumber-core, and laminated panels were examined to compare screw-holding power. In a preliminary trial the holding power of the veneered panels was higher than that of solid […]
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Forest Products Journal | 1954 |
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The Technology Involved in Using Elastomeric Adhesives
Of the eight types of elastomeric adhesives presently used, the most common are rubber-latex protein adhesives, elastomer-phenolic adhesives, contact cements, and polysulfide-epoxy adhesives. These adhesives are combinations of two major […]
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Forest Products Journal | 1960 |
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The Technology of the Glue Line in Electronic Edge-Gluing of Lumber
Some plants are not obtaining all the advantages of the new process of high-frequency gluing. Electronic edge gluing has several advantages and disadvantages. Management must have a progressive attitude to […]
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Forest Products Journal | 1948 |
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The Use of Bark Extracts in Cold-Setting Waterproof Adhesives
HT-120 is a spray-dried sodium salt of an ammonia extract of Tsuga heterophylla bark with a phenolic hydroxyl content of about 10 percent. It is very reactive with formaldehyde. Since […]
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Forest Products Journal | 1960 |
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The use of organosolv lignin to reduce press vent formaldehyde emissions in the manufacture of wood composites
Two organosolv lignin fractions obtained from the ALCELL? process were evaluated for their effect on formaldehyde emissions when used as a partial replacement for phenol-formaldehyde (PF) resins during the manufacture […]
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Forest Products Journal | 1996 |
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The Use of Urea Resin Glues in Radio Frequency Lumber Edge Gluing
Urea resin glues are the most adaptable and economical used in the radio frequency field. Reducing the amount of catalyst below manufacturer’s suggestions reduces pot life. Increasing the amount of […]
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Forest Products Journal | 1954 |
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Thermal and Adhesive Characteristics of Acetone-Formaldehyde/Phenol- Formaldehyde Resins
Addition of varying amounts of acetone-formaldehyde (AF) resin to a standard phenol-formaldehyde (PF) plywood resin resulted in an adhesive with reduced gelation temperatures and times compared with the standard PF […]
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Forest Products Journal | 1977 |
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Thermally conducive carbon filler in wood-based composites
In conventional approaches to reducing the press time of wood composites, high press temperatures and/or an external catalyst is often used to accelerate the resin cure rate to obtain acceptable […]
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Forest Products Journal | 2003 |
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Thermosetting Exterior-Plywood Type Adhesives from Bark Extracts
Extracts of western hemlock bark were prepared as a source of components for adhesives. The evidence points to the fact that the tannin extracts are a polyphenolic polymer system. It […]
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Forest Products Journal | 1958 |
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Tool wear properties of five extender/fillers in adhesive mixes for plywood
Southern pine veneers were bonded into plywood with phenol-formaldehyde adhesives containing one of five different extender/fillers. The five fillers were 1) a 65/35 ratio blend of English walnut shell flour/oat […]
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Forest Products Journal | 2005 |
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Total phenolic compounds and free phenol in softwood structural plywood
Construction-grade plywood panels manufactured at five plywood mills were analyzed for total phenolic compounds and free phenol detection. Small samples of plywood were ground into
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Forest Products Journal | 1994 |
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Transverse Bonding of Slash Pine Joints
This paper deals with a study of the influence of wood structure on joint strength in transverse bonding. The study was confined to slash pine. The test specimens were selected […]
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Forest Products Journal | 1967 |
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Trials with Laminated Crossarms
Due to the increasing cost and limited supply of clear timber crossarms and the high degree of waste and drying degrade involved in their production, the Bell System is considering […]
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Forest Products Journal | 1957 |
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Triethylamine Stabilizer for Resins in Douglas-Fir Particleboard
The addition of small amounts of triethylamine to urea- formaldehyde resins used in the production of Douglas-fir particleboard resulted in retention of bonding ability for longer time periods and alleviated […]
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Forest Products Journal | 1969 |
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U.S. Wood-Based Panel Industry: Energy, Environmental Protection, and Occupational Safety and Health
Energy requirements for production of wood-based panel products are modest compared to energy requirements for the manufacture of mineral-based products. This is due in part to the fact that wood […]
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Forest Products Journal | 1982 |
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Undercure . . . Casehardening in Plywood
This is a study on Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and Engelmann spruce (Picea Engelmannii) in relation to bond quality considering the following factors: species, glues, sapwood and heartwood, veneer […]
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Forest Products Journal | 1959 |
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Upgrading Joint Sealant Performance in Residential Construction
The upgrading of quality and performance in the sealing of joints in residential construction is possible and desirable. Some improvement can be obtained with conventional caulks by exercising greater care […]
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Forest Products Journal | 1969 |
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Urea and Melamine Adhesives
Urea resins in the liquid form have shorter storage life than in the powdered form. By raising temperature above 70?F. and adjusting the acidity of the mix inversely with temperature, […]
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Forest Products Journal | 1952 |
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Urea Resins for Hot- and Cold-Press Hardwood Plywood
Bonding conditions for hardwood plywood must be closely controlled to produce quality plywood for today’s competitive market. Eleven common gluing defects are described, and their causes and cures are outlined. […]
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Forest Products Journal | 1959 |