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| Title | Publication | Publish Year |
|---|---|---|
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Outlook for Particleboard to 1980
The particleboard industry in the United States experienced rapid growth through the 60’s and early 70’s. The compounded annual growth rate from 1963 through 1973 was 21.6 percent. This rate […]
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Forest Products Journal | 1975 |
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Particleboard Strength as Affected By Unequal Resin Distribution on Different Particle Fractions
Varying resin distributions within various particle size classifications (screen fractions) of particleboard furnish affected IB, MOR, and MOE. Two studies were made. First, a commercial particleboard furnish was screened into […]
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Forest Products Journal | 1978 |
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Performance of flakeboard bonded with three PF resins of different mole ratios and molecular weights
Structural flakeboards (strandboards) were bonded with phenol-formaldehyde (PF) resins containing different formaldehyde/phenol (F/P) mole ratios (2.00, 2.25, and 2.50). The physical characteristics and molecular weight distributions of the resins are […]
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Forest Products Journal | 1991 |
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Performance of Laminated Preservative-Treated Railroad Bridge Stringers
Twenty-eight laminated bridge stringers were prepared from southern yellow pine lumber treated with Wolman salts to a dry salt retention of 0.3 lb. per cu. ft. or with creosote to […]
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Forest Products Journal | 1955 |
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Performance of Melamine Resin Adhesives in Various Exposures
Melamine-resin glue joints in laminated white oak, deteriorated progressively in salt-water soaking and had reached the stage of almost complete failure after 16 years. Melamine joints in laminated white oak, […]
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Forest Products Journal | 1965 |
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Performance of Oak-Cottonwood Plywood Bonded with a Softwood Plywood Phenolic During 10 Years of Exterior Exposure
This work was started in 1972 to demonstrate that hardwoods could be used to extend the raw material base for construction plywood. A second more timely reason to consider hardwoods […]
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Forest Products Journal | 1985 |
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Performance of pyrolysis oil-based wood adhesives in OSB
Wood adhesives derived from softwood bark residues pyrolysis oil have been developed for oriented strandboard (OSB), an exterior grade wood composite product. The phenolic-rich oil produced by the vacuum pyrolysis […]
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Forest Products Journal | 2002 |
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Performance of Some Commercial Adhesives for Gluing Wood-Plastic Combinations
Nine hundred and sixty shear blocks of monomer-treated white pine and sugar maple were conditioned at 72?F. and 50 percent R. H. and glued with polyvinyl, urea formaldehyde, resorcinol-phenol, and […]
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Forest Products Journal | 1968 |
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Peroxyacetic Bonding of Wood
Peroxyacetic acid was used to laminate white fir, aspen, and sugar pine directly, in contrast to conventional bonding systems employing film-forming resins. Variables tested included concentrations of hydrogen peroxide, times […]
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Forest Products Journal | 1977 |
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Phenol and Resorcinol Adhesives
Urea formaldehyde, acid-curing, phenolic, phenol-resorcinol, resorcinol formaldehyde, and melamine formaldehyde are the available adhesives suitable for assembly gluing. Among these, phenol-resorcinol and resorcinol formaldehyde are the most durable waterproof adhesives. […]
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Forest Products Journal | 1952 |
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Phenolic resin-wood interaction
A series of phenol-formaldehyde resole resins was made with varying formaldehyde-to-phenol molar ratios (1.70, 2.00, and 2.30) and sodium hydroxide-to-phenol molar ratios (0.40 and 0.60). A broad molecular weight range […]
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Forest Products Journal | 1994 |
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Plywood Adhesives–Developments and Trends
The increasing use of phenol-formaldehyde resins has been made possible by three important subtrends: 1) Their steadily decreasing glueline cost, 2) their steadily decreasing basic press time requirement, and 3) […]
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Forest Products Journal | 1969 |
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Plywood Adhesives–Supply and Demand
The production of hardwood and softwood plywood production in the United States is correlated over the last two decades, and the trend in adhesive consumption is shown. The hardwood plywood […]
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Forest Products Journal | 1981 |
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Plywood and Sawmill Liquid Waste Disposal
Improper road construction and inadequate slash disposal are two sources of water pollution in the logging industry. On the other hand reasonable precautions during logging activities can preserve water quality. […]
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Forest Products Journal | 1971 |
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Plywood Glue Extender from Particleboard Sander Dust
Particleboard sander dust was found to perform satisfactorily as a plywood glue extender in phenol formaldehyde plywood glues provided it was ground such that 75 percent or more of the […]
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Forest Products Journal | 1978 |
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Pollution Control Activities At Georgia-Pacific
When solid wood wastes cannot be used in making pulp and, paper or sold for hog fuel, a properly designed and operated wigwam burner is an effective and economical alternative. […]
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Forest Products Journal | 1971 |
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Polyvinyl Resins for High Pressure Plastic Laminating
The highly reflective surface of high-pressure laminates magnifies any defect due to the core or resulting from pressure inequalities in the pressing operation. Factors that influence telegraphing are: 1) core […]
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Forest Products Journal | 1959 |
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Polyvinyl-Resin Emulsion Woodworking Glues
Evaluation was made of several polyvinyl resin emulsion glues and results were compared to results of tests on 11 similar glues evaluated in an earlier project reported in 1947. Limitations […]
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Forest Products Journal | 1955 |
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Potential of Carbohydrates for Exterior-Type Adhesives
New exterior-quality adhesives for wood products need to be available if the cost or supply of phenol-based adhesives should become unfavorable. Carbohydrates represent a large, inexpensive, renewable resource from which […]
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Forest Products Journal | 1986 |
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Pre-Pressing Plywood Assemblies
Production rate increase of 10 to 15 percent, gluing cost reduction up to 10 percent, and increased veneer from 95 percent less grade rejects and a few percent reduction in […]
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Forest Products Journal | 1961 |
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Prediction of Plywood Bond Durability
A brief description is given, and reference is made to a detailed description of research which was established to demonstrate the feasibility of developing a method for predicting the service […]
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Forest Products Journal | 1960 |
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Preheating Veneer Reduces Press Time in Phenolic-Bonded PLV
The high cost of adhesive bonding has been a major obstacle to the production of parallel-laminated veneer (PLV) lumber in structural thicknesses. The objective of this study was to reduce […]
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Forest Products Journal | 1984 |
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Preliminary Microscopic Studies of Wood Structure and Adhesion in Plywood
This paper describes the structure of the glue line and the mode of contact between the glue and the wood cell walls of veneer by means of electron microscopy. The […]
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Forest Products Journal | 1968 |
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Prepressing Plywood
The advantages of prepressing plywood are reduced rejects, faster panel handling, better adhesion, and improved press design. Disadvantages include inability to correct misaligned panels, increased possibility of panel dry-out, and […]
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Forest Products Journal | 1966 |
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Pressing of wood composite panels at moderate temperature and high moisture content
Aspen flakeboards were pressed at 210?F and 25 percent MC using diphenylmethane diisocyanate (MDI) adhesive catalyzed with a tertiary amine. Three adhesive levels (3.0, 5.5, and 8.0 percent), three pressures […]
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Forest Products Journal | 1989 |