Advanced Search
| Title | Publication | Publish Year |
|---|---|---|
|
Urethane Bonded Particleboard
Formaldehyde emissions from wood products which utilize a urea-formaldehyde (UF) resin have become a public concern. This paper reviews the various alternatives to UF adhesives tor particleboard. Many of these […]
|
Forest Products Journal | 1982 |
|
Urethanes and Composite Wood Products: A Review and Brief Research Results
Organic polymers called urethanes, have been used in synthetic fibers, sealants, foam systems, paint, coatings, and adhesive resins. Literature also exists relevant to the production of polyols (materials used to […]
|
Forest Products Journal | 1975 |
|
Use of Acid Scavengers to Improve Durability of Acid-Catalyzed Adhesive Wood Bonds
Acid catalysis of adhesive cure can provide benefits of shorter press times and/or lower press temperatures, plus increasing the potential of using some adhesives from renewable resources. Those benefits can […]
|
Forest Products Journal | 1983 |
|
Use of Performance Specifications in Wood Product Standards
This paper develops the thesis that simple product standards are an essential part of any manufacturing system that requires quality assurance and that piecemeal attempts to convert product standards into […]
|
Forest Products Journal | 1977 |
|
Use of Short-Retention-Time Blender with Large-Flake Furnishes
Most structural flakeboards have been produced using a powdered phenolic resin. However, it has been difficult to apply more than two to three percent of this powdered resin, since higher […]
|
Forest Products Journal | 1975 |
|
Using Gamma Radiation to Measure Density Gradients in Reconstituted Wood Products
The processing of wood particle, fiber, and flake products by pressing of a felted mat generally results in a density gradient from one surface of the product to the other. […]
|
Forest Products Journal | 1986 |
|
Utilization of Ponderosa Pine Bark and Its Extract in Particleboard
This study was undertaken to evaluate the suitability of ponderosa pine bark extract as a bonding agent for particleboard and the use of the bark as core furnish in a […]
|
Forest Products Journal | 1974 |
|
Utilization of Redwood Bark
The redwood bark produced at one mill is estimated at 12,000 to 14,000 tons per year (air dry). It is difficult to burn; therefore suggestions are to leave it in […]
|
Forest Products Journal | 1949 |
|
Utilization of White Fir Bark in Particleboard
The suitability of white fir bark for making particleboard was evaluated. The white fir bark in this investigation contained around 10.5 percent of formaldehyde reacting polyphenolics. When 2 percent of […]
|
Forest Products Journal | 1974 |
|
Utliization of White Fir Bark and Its Extract in Particleboard
The suitability of white fir bark extract as a bonding agent for particleboard and the use of the bark as core furnish in a three-layer particleboard were evaluated. When paraformaldehyde […]
|
Forest Products Journal | 1974 |
|
Variables affecting the suitability of filler raw materials for adhesives used to bond structural plywood
A number of material and process variables were investigated to determine their effect on the selection of raw materials for fillers in adhesives used to bond structural plywood. The variables […]
|
Forest Products Journal | 1989 |
|
Variables in Specimen Preparation Influence Results of IB Tests on Particleboard
The internal bond strength of particleboard was observed to vary with several factors including type of glue, how it was spread, and how surfaces were prepared. To evaluate these variables, […]
|
Forest Products Journal | 1964 |
|
Veneered Stock with Solid Lumber Cores
Solid wood cores for veneered stock may be built up from shortblock cores. Veneer strips with glue on both sides are sometimes used between the courses of blocks. Cores are […]
|
Forest Products Journal | 1959 |
|
Versatile Fire Retardants from Amino-Resins
There is a need for fire retardants which can be applied by conventional processes to bring a broad spectrum of wood products up to recognized standards of flame and glow […]
|
Forest Products Journal | 1974 |
|
Visual Method for Measuring Formaldehyde Release from Resin Bonded Boards
An alkaline solution of purpald (4-amino-3-hydrazino-5-mercapto-1,2,4-triazole) reacts with formaldehyde and turns purple. The intensity of the color produced can be used to measure the release of formaldehyde from particle board […]
|
Forest Products Journal | 1974 |
|
Water Relations in Phenolic (Plywood) Bonds
Good hot-press phenolic resin bonds using liquid resins can only be obtained when the water content of the glue at the instant of pressing is at or near optimum. It […]
|
Forest Products Journal | 1962 |
|
Water Resistant Dowel Glue
Wood dowels coated with powdered catalyst were driven into holes coated with neat urea resin, to obtain long potlife, quick set, and additional advantage of a water resistant bond. The […]
|
Forest Products Journal | 1954 |
|
Wattle-Base Adhesives for Exterior Grade Particleboards
Different types of wattle-based adhesives were used to produce particleboards of exterior grade quality. Reduction of the viscosity of wattle extract was achieved by acid and subsequent alkaline hydrolysis of […]
|
Forest Products Journal | 1978 |
|
Wattle-Base Tannin-Starch Adhesives for Corrugated Containers
Tannin-formaldehyde resins have been developed as fortifiers for starch adhesives used in the production of weather-resistant corrugated containers. Condensed flavonoid tannins, extracted from the bark of the black wattle tree, […]
|
Forest Products Journal | 1977 |
|
Weatherability of xylitol-modified phenolic-bonded flakeboard
The purpose of this investigation was to determine if the water repellency exhibited by flakeboard bonded with a xylitol-modified phenolic adhesive would improve the performance of the flakeboard during 1 […]
|
Forest Products Journal | 1989 |
|
Wettability and Gluability of Douglas-Fir Veneer
This study examined the relationship between wetting contact angle of water (pH = 11) and bond performance with a phenolic adhesive. To avoid surface inactivation, green veneers of Douglas-fir were […]
|
Forest Products Journal | 1980 |
|
Wettability of Southern Pine Veneer By Phenol Formaldehyde Wood Adhesives
Wettability of southern pine veneers was judged by measuring the contact angles made by 36 phenol formaldehyde resins. Formulation of the resins was by factorial design, the molar ratios of […]
|
Forest Products Journal | 1972 |
|
Wettability of Wood
The purpose of this study was to check the application of defined physico-chemical concepts to the wettability of wood surfaces. Specific objectives were to determine 1) the critical surface tension […]
|
Forest Products Journal | 1965 |
|
What Is Being Done to Abate Pollution By Plywood and Particleboard Plants?
The pollution problem in the plywood industry is similar to that in the lumber industry. Most plywood plants are able to burn wood residue with little difficulty because the average […]
|
Forest Products Journal | 1967 |
|
What’s Ahead for the Forest Products Industry in Pollution Legislation
This timely FPRS panel discussion centers on the scope of the national air and water pollution problem and what is being done about the problem under existing legislation. The Clean […]
|
Forest Products Journal | 1968 |