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| Title | Publication | Publish Year |
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Compressibility and Bond Quality of Western Softwood Veneers
Presents and discusses data relating to compressibility of selected western species of softwood veneers listed under group 1 of CS 122-40, when hot pressed under standard manufacturing conditions for plywood. […]
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Forest Products Journal | 1963 |
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Compressive Strength of Cylindrical Samples as An Indicator of Wood-Cement Compatibility
Compatibility of wood-cement mixtures proposed by early studies was expressed as an inhibitory index, which was derived from hydration temperature and/or hydration time. Sometimes this index does not reflect the […]
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Forest Products Journal | 1986 |
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Condensed Tannin-Resorcinol Adducts in Laminating Adhesives
A condensed tannin-resorcinol adduct made by coreaction of an extract from southern pine bark with resorcinol at a 2 to 1 weight ratio was used to prepare a laminating resin […]
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Forest Products Journal | 1985 |
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Condensed tannin-sulfonate derivatives in cold-setting wood-laminating adhesives
Extraction of southern pine bark with 4.0 percent sodium sulfate and 0.4 percent sodium carbonate (based on ovendry bark weight) gives epicatechin-(4?)-sulfonate and oligomeric procyanidin-4-sulfonates that show great promise to […]
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Forest Products Journal | 1987 |
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Consolidation and Refinement Mark Progress in Glues and Gluing
Discusses a year of research focused on improving existing glues and processes. Note is taken of the increased use of insulation boards with ceramic adhesives such as calcium silicate as […]
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Forest Products Journal | 1963 |
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Construction Grade Plywood from Grade 3 Hardwoods, An Industrial Possibility
The technical and economic feasibility of producing construction grade plywood from low-grade Appalachian oak were determined by processing a sample of factory grade 3 oak logs through a typical southern […]
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Forest Products Journal | 1971 |
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Construction of a Simple Vacuum-Pressure Cylinder
The conduct of ASTM D1101-59 “Standard Method for Test for Integrity of Glue Joints in Structural Laminated Wood Products for Exterior Service” requires that a suitable vacuum-pressure cylinder be available […]
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Forest Products Journal | 1962 |
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Continuous Lamination of Lumber
Discusses the development of a technique which combines a double preheating process with a sliding belt continuous press developed by Washington Iron Works, for the continuous lamination of lumber. The […]
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Forest Products Journal | 1963 |
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Copolymer Resins of Bark and Agricultural Residue Extracts with Phenol and Formaldehyde: 20 Percent Weight of Phenol Replacement
Copolymer resins of phenol, formaldehyde, and chemicals from the forest and agricultural residues were successfully synthesized. The resultant copolymer resins were evaluated for bond quality in gluing southern pine plywood. […]
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Forest Products Journal | 1982 |
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Copolymer Resins of Bark and Agricultural Residue Extracts with Phenol and Formaldehyde: 40 Percent Weight of Phenol Replacement
Copolymer resins of phenol, formaldehyde, and chemicals from forest and agricultural residues were synthesized with 40 percent by weight of phenol replacement. The copolymer resins were evaluated for gluability with […]
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Forest Products Journal | 1982 |
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Core Gluing Equipment
This paper contains descriptions of various gluing equipment including the carrier clamp, platen presses of the steam-heated and RF type. Regardless of the method of manufacture there are certain fundamental […]
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Forest Products Journal | 1952 |
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Cost Comparison of Two Processes for Laminating Thick Veneer
This paper compares costs of two methods for laminating thick veneer. In one method, a phenol-resorcinol adhesive is used, the press is unheated, and the adhesive is cured by the […]
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Forest Products Journal | 1983 |
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Coupling agent improves durability of PRF bonds to CCA-treated southern pine
Today’s wood products market lacks adhesively bonded, structural lumber products that have been treated with chromated copper arsenate (CCA) preservatives. The problem arises, in part, because commercial adhesives do not […]
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Forest Products Journal | 1995 |
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Critical variables in the rapid cure and bonding of phenolic resins
Research conducted over the past 8 years on the curing and bonding characteristics of phenol-formaldehyde (PF) resin is summarized and interpreted. PF resins exposed to controlled temperature and relative humidity […]
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Forest Products Journal | 1996 |
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Curing Characteristics of Wood Particles from Nine Northern Rocky Mountain Species Mixed with Portland Cement
A technique for characterizing the inhibitory effect of wood on the setting of portland cement in a wood-cement-water mixture is presented. An equation was developed from hydration temperature data which […]
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Forest Products Journal | 1984 |
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Curing Rates of Resorcinol and Phenol-Resorcinol Glues in Laminated Oak Members
Research in gluing white oak lumber with various types of resorcinol and phenol-resorcinol glues showed that when the curing temperature for these decreased, the curing time increased exponentially. No curing […]
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Forest Products Journal | 1958 |
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Cyanoacrylate Resins in Internal Bond Testing of Particleboard
Internal bond tests are rather long and, especially when accelerated aging is involved, glues are needed that couple quick setting properties with ability to adhere to wet surfaces. Cyanoacrylates meet […]
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Forest Products Journal | 1985 |
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Decay Resistance of Plywood Bonded with Various Glues
The decay resistance of sweetgum and yellow birch plywood bonded with various glues were evaluated by the time it took wood-destroying fungi to penetrate the plywood, and by the loss […]
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Forest Products Journal | 1950 |
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Degradation Phenomena in Urea-Formaldehyde Resin-Bonded Particleboard
Hydrolytic phenomena in degradation of particleboard have been examined. Hydrolytic polymer breakdown is the cause of formaldehyde split-off and decreases in mechanical properties (particularly IB and MOR) of urea-formaldehyde resin […]
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Forest Products Journal | 1976 |
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Delamination of Southern Pine Plywood During Three Years of Exterior Exposure
Plywood was made from eight loblolly pine trees selected to exhibit a range of specific gravity and growth rate. Three-eighths-inch, three-ply specimens were exposed outdoors for 3 years in central […]
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Forest Products Journal | 1970 |
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Design and Construction of Modern Glued Timbers
In Douglas-fir it has been found that the best economy and quickest delivery are obtained by using combinations of lumber grades which have bending stress levels at or below 2,600 […]
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Forest Products Journal | 1952 |
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Designing with Glued Wood Construction
The author stresses the development of structures made up of large modular interstices out of structures of very small modular interstices. The cinergistic principle is used by Fuller in the […]
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Forest Products Journal | 1954 |
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Designing Wood Structures Bonded with Elastomeric Adhesives
A design method for built-up flexural members bonded with elastomeric adhesives is described. Computer-generated deflection and shear coefficients are employed. The method permits manipulation of parameters without using a computer. […]
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Forest Products Journal | 1976 |
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Determination of Melamine-Formaldehyde Content in Wood and Cellulose Products By Infrared Spectrometry
This paper describes a rapid, quantitative infrared method for the determination of melamine formaldehyde in the presence of wood cellulose. When the absorbance ratio 810 cm was plotted against percent […]
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Forest Products Journal | 1969 |
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Determination of Resin Distribution in Flakeboard Using X-Ray Specrometry
X-ray spectrometry was used to determine resin content on individual flakes. This was accomplished by mixing potassium bromide with liquid resin and measuring the bromine content on each flake by […]
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Forest Products Journal | 1980 |