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| Title | Publication | Publish Year |
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Determining Curing Properties of An Adhesive in Contact with Wood
Little is known about what occurs on a glueline during cure and how these events affect strength and durability. In these studies, the three stages of mechanical changes occurring during […]
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Forest Products Journal | 1966 |
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Developing an industrial friendly process for hydroxymethyl resorcinol (HMR) priming of wood using a novolak-based HMR
Creating exterior durable bonds to wood using epoxy adhesives or other nonaqueous adhesives often requires the application of a primer or coupling agent. For durable wood-to-wood and wood-to-fiber-reinforced-polymer (FRP) bonding, […]
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Forest Products Journal | 2005 |
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Developing the Best Resin for the Particular Process
The wide range of composition board products requires “tailored” resins. The factors to be considered in formulating these special purpose resins have to do with long lists of characteristics of […]
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Forest Products Journal | 1959 |
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Development and Design of An Accelerated Boil Machine
Owing to the increasing number of potential wood. adhesives and the increasing use of these adhesives, accelerated and automated testing methods are becoming more and more important. This paper outlines […]
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Forest Products Journal | 1968 |
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Development of a Method for Rapid Laminating of Lumber Without the Use of High-Frequency Heat
Laminated lumber with typical exterior-type adhesive bonds is produced without high-frequency heat and with pressure-time reduced to seconds. The basic principle consists of preheating surfaces to be laminated, applying phenolic […]
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Forest Products Journal | 1956 |
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Development of a novolak-based hydroxymethylated resorcinol coupling agent for wood adhesives
A hydroxymethylated resorcinol (HMR) coupling agent was previously shown to enhance the exterior durability of bonds between wood and epoxy or other thermosetting wood adhesives, as well as bonds between […]
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Forest Products Journal | 2003 |
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Development of An X-Ray, KBR Embedding Method for Determination of Resin Cure
An X-ray, KBr embedding method was developed to measure the degree of cure of urea-formaldehyde (UF), urea-melamine formaldehyde (UMF) and phenol-resorcinol formaldehyde (PRF) resin. In this method, KBr was mixed […]
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Forest Products Journal | 1975 |
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Developments in Glues and Gluing
The basic functions of wood adhesives are described and trends in adhesive development are traced. The characteristics of the synthetic resins–phenol, resorcinol, melamine, urea, and polyvinyl acetate–are summarized. Innovations in […]
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Forest Products Journal | 1956 |
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Developments in Glues and Gluing
A number of segments of the glues and gluing field are covered, including theory and practice. Discusses trends in adhesives developments, gluing techniques and glued products, test methods, and new […]
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Forest Products Journal | 1957 |
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Developments in Glues and Gluing–1957. FPRS Annual Review
Trends in types of adhesives used for various applications are discussed. Gluing techniques and equipment advancements are described in relation to plywood, lamination of treated and untreated wood, assembly and […]
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Forest Products Journal | 1958 |
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Developments in Roll Spreading Techniques
This article describes the use of the adhesive spreader for applying various adhesives to many different substrates. Explanation is given showing that while softer durometer gluing rolls, can better conform […]
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Forest Products Journal | 1971 |
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Diisocyanate/furfural adhesive for bonding plywood
Plywoods made from southern pine, a major structural species, and from yellow-poplar, a major decorative species, were bonded with polymeric methyl diphenyl diisocyanate adhesives. Furfural was used as a binder […]
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Forest Products Journal | 1989 |
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Douglas-Fir and Western Hemlock Bark Extracts as Bonding Agents for Particleboard
This study was undertaken to evaluate the suitability of Douglas-fir and western hemlock bark extracts as bonding agent for particleboard. When a small amount of paraformaldehyde was added to wood […]
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Forest Products Journal | 1975 |
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Dowel Joint Strength: Effect of Dowel Type, Hole Size, and Adhesive
Compressed dowels produce stronger joints than spiral dowels. Both are better than regular dowels. Polyvinyl and hot animal glue were the best of the glues tested. A hole size slightly […]
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Forest Products Journal | 1958 |
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Dry-Formed Boards, Bonded with Resins Or Other Materials
The subject is dry-formed structural boards, or boards formed without a watery fiber suspension. Lack of interest has been due to a single raw material, sawdust, and the use of […]
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Forest Products Journal | 1949 |
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Durability of Adhesives in Plywood
Seven plywood adhesives were evaluated for durability by exposing panels and shear test specimens to weathering at the Madison exposure site for nearly 8 years. Wet strength loss and wood […]
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Forest Products Journal | 1976 |
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Durability of Adhesives in Plywood: Dry-Heat Effects By Rate-Process Analysis
Douglas-fir and yellow birch plywood specimens bonded with phenol-resorcinol-, melamine-, melamine-urea-, urea-, thermosetting polyvinyl acetate-, and acid-catalyzed phenol- resin adhesives were subjected to dry heat for varying periods of time. […]
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Forest Products Journal | 1975 |
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Durability of Fortified Urea-Resin Exposed to Exterior Weathering
A series of yellow birch (Betula alleghaniensis Britton), yellow-poplar, (Liriodendron tulipifera L.), and Douglas-fir (Pseudotsuga menziesii (Mirb) Franco) plywood panels were made with 10 laboratory-formulated, hot press urea-resin glues combining […]
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Forest Products Journal | 1964 |
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Durability of Fortified Urea-Resin Glues in Plywood Joints
Nine glues were formulated with urea resin fortified with either 0, 20, 40, 60, or 80 percent melamine resin or 10, 20, 40, or 60 percent resorcinol. These glues and […]
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Forest Products Journal | 1955 |
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Durability of one-part polyurethane bonds to wood improved by HMR coupling agent
In a previous study on the strength and durability of a new class of wood adhesives called one-part polyurethanes, four commercial one-part polyurethanes, along with a resorcinol-formaldehyde adhesive representing a […]
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Forest Products Journal | 2000 |
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Durability of R. F. Cured Urea Bonds
Twelve-year correlation data are presented on the durability of radio-frequency curing of urea bonds. The investigation was limited to only one brand of urea resin adhesive. The conclusions reached were: […]
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Forest Products Journal | 1963 |
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Durability of Radio-Frequency Bonded Urea Resin Joints
Describes a study to determine whether rapid curing of urea-resin joints by dielectric heating affects the durability of the joints. Results showed no significant difference between pieces bonded by dielectric […]
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Forest Products Journal | 1956 |
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Durability of Southeast Asian Hardwood Plywood During Outdoor Exposure
Bond durability of outdoor exposed plywood made with three resins and assembly times and with 16 Southeast Asian hardwood species has been observed for 7-l/2 years. Most species have performed […]
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Forest Products Journal | 1985 |
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Durability of Urea-Formaldehyde Adhesives: Effects of Molar Ratio, Second Urea, and Filler
Relative durabilities were determined for Douglas-fir laminated samples prepared from 16 different urea-formalde hyde resins. Molar ratio ranges of F/U = 2.0 to 1.8 exhibited slower bond deterioration under accelerated […]
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Forest Products Journal | 1973 |
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Durability of Urea-Resin Glues At Elevated Temperatures
The performance of several glue types, including high and low solids, liquid and powdered resins, a fortified liquid resin, and a non-crazing resin were evaluated in continuous exposure at 80?F. […]
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Forest Products Journal | 1957 |