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| Title | Publication | Publish Year |
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Preventing Termite Attack By Adding Insecticide to Particleboard, Hardboard and Plywood Adhesive
Fabricated building materials (particleboard, hardboard, and plywood) are susceptible to termite attack if preventive steps are not taken. Three insecticides (chlordane, heptachlor, and HCS-3260 [a modified chlordane that has all […]
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Forest Products Journal | 1979 |
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Principles of Dielectric Heating
This article attempts to give a clear, simple story of radio-frequency generators and the dielectric heating process, with the hope that it will make the users’ problems easier. The power […]
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Forest Products Journal | 1948 |
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Problems in the Determination of Cured, Phenol-Formaldehyde Resins in Paper and Wood
Analysis for cured phenol-formaldehyde resin in treated paper usually involves removing the cellulose with 72 percent sulfuric acid leaving the lignin and resin; this is followed by treatment with sodium […]
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Forest Products Journal | 1975 |
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Problems of Utilizing Wood in Prefabricated Buildings
Unlike the conventional builder, the prefabricated house manufacturer must be in a position to prove the adequacy of both his methods and materials to a variety of agencies–FHA, VA, etc. […]
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Forest Products Journal | 1955 |
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Procedure for measuring formaldehyde liberation from formaldehyde-based resins
A method is described for measuring formaldehyde released as vapor from formaldehyde-containing solids (e.g. cured urea-formaldehyde resins or model compounds) rather than formaldehyde released from solids slurried in aqueous systems. […]
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Forest Products Journal | 1987 |
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Production Gluing
Controls necessary in the glue room to assure good bonds include temperature of glue room, absence of drafts, temperature and moisture content of veneers, glue potlife, glue spread rate, assembly […]
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Forest Products Journal | 1953 |
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Progress and Problems in the Southern Pine Plywood Industry
The southern plywood industry faces a number of challenging problems today. The greatest is that of dried-out gluelines, the result of long periods of high ambient temperatures combined with the […]
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Forest Products Journal | 1966 |
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Progress in 1960 . . . Glues and Gluing Processes
Progress report of FPRS Division of Glues and Gluing Processes including symposium on adhesives at U.S. Forest Products Laboratory; statistics on production of plywood; phenol-resin glues in plywood; other plywood […]
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Forest Products Journal | 1961 |
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Progress in Glues & Gluing Processes
Urea glues continued to be the workhorse of the wood gluing industry during the 2-year period (1960-61) because of their versatility, low cost, and freedom from color. New copolymers were […]
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Forest Products Journal | 1962 |
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Progress Report on Soft Spreader Rolls
Since the soft rubber spreader roll was introduced a year and a half ago, it has come into use in 8 mills in the southern pine region and 37 mills […]
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Forest Products Journal | 1970 |
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Properties and Application of Amino Resin Adhesives and Binders
Presents a historical review of the development of urea and melamine resins. Urea resins are modified for better water resistance, gap-filling properties, faster clamping characteristics, and better wet strength in […]
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Forest Products Journal | 1953 |
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Properties of laboratory-made plywood with Fipronil? insecticide added in the resin formulation
With the increased use of wood composites in wide-ranging applications, protection against decay fungi and termites will represent one important criterion in material selection. Fipronil?, an insecticide already used to […]
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Forest Products Journal | 2002 |
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Properties of particleboard made with a polyfurfuryl-alcohol/urea-formaldehyde adhesive
The suitability of a new, polyfurfuryl-alcohol/urea-formaldehyde (PFAFUF) adhesive in particleboard manufacturing was evaluated in this study. Experimental boards were made with softwood particles and the new adhesive under different combinations […]
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Forest Products Journal | 1996 |
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Properties of Phenolic Adhesives as Related to Bond Quality in Southern Pine Plywood
Experimental panels of southern pine plywood were glued up with 72 phenolic resins (36 resins with replication) representing a wide range of properties. In the range tested, contact angle (57-105?), […]
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Forest Products Journal | 1971 |
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Properties of Structural Particleboards
Phenolic-bonded particleboards were made to study effects of particle geometry, resin content, and panel density on strength, durability, and, dimensional stability properties. All panels were 1/2 by 24 by 28 […]
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Forest Products Journal | 1974 |
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Properties of Structural Particleboards from Douglas-Fir Forest Residues
Structural particleboards bonded with phenolic resin were prepared from forest residues using Douglas-fir and some hemlock-true fir mixtures. Various diameters and proportions of sound wood, dead wood, decayed wood, tops, […]
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Forest Products Journal | 1974 |
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Quality Control in the Production of Laminated Timbers
Quality control in the laminated beam industry exists because of a need to maintain and increase the quality of products to control problems caused by increased production, and to insure […]
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Forest Products Journal | 1957 |
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Quantitative Determination of Phenolic Resins in Particleboard
A method was developed for determining the amount of phenol-formaldehyde or resorcinol-formaldehyde resin in particleboard. The method employs chlorosulfonic acid (CSA) at room temperature to dissolve the wood which is […]
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Forest Products Journal | 1966 |
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Racking Resistance of Wall Components Constructed with Particleboard Decking
The racking resistance of wall components constructed with particleboard decking was evaluated. Variables included southern pine particleboard (urea- and phenolic-bonded decking), weathering condition (unweathered and weathered on an outdoor test […]
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Forest Products Journal | 1979 |
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Radio Frequency Burning in Glue Joints
Radio frequency burning in edge-glued joints has been attributed to the pH of the glue or to the formation of superheated steam in the glue. This study indicates that the […]
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Forest Products Journal | 1952 |
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Radio Frequency Heating as Applied to Furniture Manufacture
Radio frequency generators have proven to be a useful Production tool for gluing operations in the furniture industry. This study determined maximum gluing rates with typical basic glue joints. Two […]
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Forest Products Journal | 1949 |
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Rapid Duplication of Glue Failure Measuring Device
It was found that the gage described in U.S. Forest Service Research Note FPS,-0102 could be easily reproduced by the following method. Draw the gage on a piece of paper […]
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Forest Products Journal | 1966 |
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Rapid Evaluation of Glue Joints in Laminated Timbers
Specimens of 6 by 6 inches in cross section and 1, 2, and 3 inches long along the grain were taken from laminated beams of Douglas-fir and white oak glued […]
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Forest Products Journal | 1964 |
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Rate of Viscosity Change for a Urea-Formaldehyde Resin
The effects of conventional flour extension, foam extension, and inert salt upon the rate of urea-formaldehyde resin polymerization were studied by viscometry. The technique was based upon measuring viscosity change […]
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Forest Products Journal | 1965 |
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Reaction of formaldehyde with lignin
The most practical way to avoid unreacted lignin in a finished formaldehyde-bearing adhesive is to form the more reactive methylol lignins. Some lignins take 90 minutes to react with formaldehyde […]
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Forest Products Journal | 1988 |