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Jul 29, 2009 | Article
By Edward M. Petrie
This article explains the necessity of epoxy hybridization and then focuses on the use of polyurethane elastomers to modify epoxy resin adhesives. The various approaches that have been employed in...
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Dec 17, 2008 | Article
Solvents and diluents are used to lower the viscosity of epoxy resins systems to either permit easy compounding with other ingredients or to aid in application of the adhesive onto a substrate. Both...
Sep 24, 2008 | Article
Many formulation factors influence the performance properties of UV curing pressure sensitive adhesives (PSAs). This article is meant to serve as a primer for formulating these useful adhesives that...
Jul 11, 2007 | Article
Boat building was the first industry that started to use composites and to assemble it by bonding, starting in the fifties and sixties in USA. These composites were at that time only glass...
Jul 12, 2006 | Article
In this section, we will study the adhesives which are used for bonding the most important composite materials: * thermosetting composites based on epoxy matrixes, the main market being those...
Nov 30, 2005 | Article
Certain epoxy adhesives are capable of being "B-staged". A B-staged resin is one in which a limited reaction between the resin and hardener has taken place so that the product is in a semi-cured...
Apr 13, 2005 | Article
Thermal analysis is a series of powerful analytical techniques designed to characterize the thermal, physical, mechanical, and degradation properties of materials. Although applicable to almost all...
Apr 6, 2005 | Article
Radiation curing refers to polymerization induced by radiation such as ultraviolet (UV) light, electron beam (EB), or visible light. Like thermal polymerization methods, radiation curing transforms...
Mar 2, 2005 | Article
Cure monitoring of adhesives is used to improve the efficiency of processing, for quality assurance, and to study the curing process. Knowledge of the degree of cure is extremely important with...
Feb 16, 2005 | Article
A variety of polymers, both thermosets as well as thermoplastics, can be blended and co-reacted with epoxy resins to provide for a specific set of desired properties. The most common of these are...