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| Title | Publication | Publish Year |
|---|---|---|
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Relation Between Physical and Chemical Properties of Wood and Adhesion
This study used 22 hardwood species chosen on the basis of wide variation in pH and wettability over an extremely wide range of specific gravity. The study resulted in the […]
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Forest Products Journal | 1959 |
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Relationship Between Chemical Characteristics of Phenol-Formaldehyde Resins and Adhesive Performance
Selected resin formulations representing extremes in chemical characteristics were evaluated as adhesives either without additives (neat resins) or with blended extenders and fillers (mixed adhesives). These formulations were used to […]
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Forest Products Journal | 1985 |
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Relationship of Adhesive Softening Temperature to Exposure Tests for Bond Durability
Thermal softening temperatures for nine adhesives were determined and related to the durability of these adhesives in wood laminates. The wood-glue bond exposure tests involved up to 6 years of […]
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Forest Products Journal | 1978 |
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Relationship of Flake Size and Resin Content to Mechanical and Dimensional Properties of Flake Board
Ratio of flake length to thickness is a better indicator of flake board properties than is either dimension independently. Increases in resin spread increase bending strength only moderately. Stiffness is […]
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Forest Products Journal | 1961 |
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Relative reactivities of black liquors and sulfate process spent liquor toward formaldehyde
Four black liquors and one sulfite process spent liquor were obtained from pulping mills located in the northwestern and southeastern United States. The reactivities of the black liquors and the […]
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Forest Products Journal | 1987 |
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Research–A Basis for Structural Engineering with Wood
The economic use of wood for structures requires the application of non-destructive test methods to lumber grading. Some such methods are ready for adoption by industry. Information on probable loadings […]
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Forest Products Journal | 1962 |
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Resilient Gluing Rolls
Resilient gluing rolls are used to conform to stock irregularities and to provide better control over the amount of glue deposited. Both natural and synthetic rubber are suitable, but synthetic […]
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Forest Products Journal | 1956 |
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Resin Application in Attrition-Mill Type Particle Board
Study was made of the effect on particle board properties of amount of resin, form of resin, and effect of adding resin before and after grinding. Another phase involved an […]
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Forest Products Journal | 1955 |
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Resin Binders from Kraft Lignin
A waterproof resin based on kraft lignin and a one-stage phenol formaldehyde (PF) resin was prepared and some of its properties evaluated. The preparation involved methylolation of the kraft lignin […]
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Forest Products Journal | 1978 |
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Resin Distribution in Flakeboard Shown By Ultraviolet Light Photography
Color photomicrographs of particleboard cross sections by ultraviolet light give new important information on flake-to-flake bonding. The photographs, taken of cross sections of particleboards glued with resins containing a dye […]
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Forest Products Journal | 1968 |
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Resin Efficiency of Commercial Blenders for Particleboard Manufacture
Resin efficiencies of four commercial blenders of particleboard furnish were compared to that of a laboratory blender. The resin distribution, resin spread rate, and particle breakdown of the blended furnish […]
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Forest Products Journal | 1978 |
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Resistance of Casein Glue Joints to Shear Fatigue Stressing
The fatigue strength of casein glues determined from a specimen subjected to torsional shear indicates that at 10,000,000 cycles, the practical end point in fatigue testing, the strength is only […]
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Forest Products Journal | 1961 |
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Resistance Strain Gages and Adhesives for Wood
A number of foil and wire strain gages along with nine different bonding adhesives were evaluated for their accuracy in strain measurement on sugar pine (Pinus lambertiana Douglas). In measuring […]
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Forest Products Journal | 1971 |
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Resistance to Cyclic Exposure At Extreme Low Temperature of Urea Resin Bonds
Douglas-fir boards were laminated with eight different urea-formaldehyde adhesives, and water-soaked specimens were exposed to cycles of 10? C or -60? to -70? C temperature treatments, followed by drying at […]
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Forest Products Journal | 1974 |
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Review of Filler and Extender Quality Evaluation
Changes in primary extender filler for softwood plywood have aroused interest in quality and evaluation of fillers and extenders. Recent technical sessions and reports have focused attention on research and […]
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Forest Products Journal | 1977 |
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Review: 1980 Particleboard Literature in Non-U.S. Journals
The reports discussed in this review are divided into three sections. The first, on particleboard manufacture, includes the characteristics of a series of urea resins made with different proportions of […]
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Forest Products Journal | 1981 |
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Rheological, wood penetration, and fracture performance studies of PF/pMDI hybrid resins
Simple physical blends of liquid resole phenol-formaldehyde (PF) and polymeric diphenylmethane diisocyanate (pMDI) were studied for their potential industrial use in wood-based composite manufacture. The neat adhesives were commercial OSB […]
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Forest Products Journal | 2004 |
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Room-temperature laminated of CCA-treated lumber with copolymer resins made of biomass extracts
Alkaline extracts of peanut hulls and pecan shell flour were used to synthesize co-polymer resins containing phenol, resorcinol, and formaldehyde. Three levels of molar ratios of formaldehyde to phenol, extracts, […]
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Forest Products Journal | 2000 |
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Selected Bibliography on Glues and Gluing
The Forest Products Research Society Division of Glues and Gluing has prepared a bibliography which lists citations selected from the literature on the subject of gluing published during 1963. The […]
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Forest Products Journal | 1964 |
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Shear Strength of High-Temperature Heat-Treated Douglas-Fir Lumber Laminated with Phenol-Resorcinol Adhesives
Ultimate shear strengths of Douglas-fir lumber glued with two different phenol-resorcinol adhesives were obtained. The first adhesive was formulated for high-temperatures; the second, for room temperature. Specimens were prepared from […]
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Forest Products Journal | 1972 |
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Softening Temperature, Ash Content, and Bond Quality of Polyvinyl-Acetate-Emulsion Adhesives
Twenty-nine commercial polyvinyl-acetate-emulsion adhesives with ash contents ranging from 0.11 to 16.56 percent were examined for their bonding ability with wood and, subsequently, for the quality of wood-adhesive bonds at […]
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Forest Products Journal | 1974 |
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Solid state two-dimensional NMR studies of polymeric diphenylmethane diisocyanate (PMDI) reaction in wood
15N-1H heteronuclear correlation (HETCOR) NMR experiments were employed to study the products from the reaction of 15N enriched polymeric diphenylmethane diisocyanate (PMDI) with cellulose, lignin,water, and aspen and southern yellow […]
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Forest Products Journal | 2003 |
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Some effects of the chemical and physical characteristics of powdered phenol-formaldehyde resins on their adhesive performance
Two-ply parallel laminates were prepared from trembling aspen (Populus tremuloides) and white spruce (Picea glauca) using four laboratory-synthesized and four commercially available powdered phenol-formaldehyde adhesives. Wood failure values of samples […]
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Forest Products Journal | 1992 |
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Some Factors Affecting Resin Efficiency in Flake Board
Resin coverage on flakes, atomization; and interparticle adhesion were investigated. Flake-to-flake bonding appeared to be adequate, but some of the resin evidently was functioning inefficiently. Flakes and resin were mixed […]
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Forest Products Journal | 1961 |
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Some Fundamentals of High Frequency Gluing
The heating effects of radio-frequency electromagnetic fields with special emphasis on the dielectric heating of wood for curing glues are reviewed. The essential part of the RF generator, the vacuum […]
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Forest Products Journal | 1954 |