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This paper describes the development of a new class of polyurea polymer coating. Specifically, the use of polyaspartic ester compounds, which are secondary aliphatic diamines, in combination with aliphatic polyisocyanates to form aliphatic polyurea coatings are described in this paper.
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A method of using spray polyurea coatings and woven aramid, fiber wet-out with a proprietary material to form a composite. The composite is built in place and used to retrofit structures and vehicles to resist the effects of explosive blasts.
Polyurethane coating systems on parking structures are designed to prevent leaks, protect the concrete from deterioration, and prevent corrosion in the reinforcing steel
New high-solids compounds for two-component (2K) topcoats based on polyurethane, polyurea and polysiloxane binders are examined with respect to their competitive potential in Europe. Against the backdrop of EU-wide VOC legislation, the relevant market for OEM topcoats applied in stationary facilities is currently estimated at 20,000 t with a material value of a good EUR 100 million.
There are very few markets that have not been affected by powder coatings. Powders are used widely throughout the automotive industry for underhood parts, wheels, trim, and as full body primers. Whereas it is unlikely that powder coatings will ever replace liquid color coats in automotive assembly plants, some companies have has made full body powder clear coats a reality.
Preservation of wastewater treatment assets and the evolution of the coating options required to mitigate the severity of the exposure environment, are giving coating contractors pause to examine alternative means of application. By expanding application versatility, the coating contractor will be able to compete across the range of preservation options.
All coating projects should be bid using plans and specifications tailored to the project. In this paper, we will examine the goals of the specifications, as well as some of the basic guidelines for their preparation and common language which should be included to ensure a clear presentation of the work to be performed. Also, we will describe the obligations of the design team that are implied by law in every contract.
The selection of a coating for suitable use on the exterior of a pipeline is an important consideration due to the safety and cost consequences of potential corrosion. Because there are numerous fusion bonded epoxy (FBE) mainline and field joint coating systems available, the selection of the optimum coating system is as much an art as a science.
This presentation discusses how the Florida Department of Transportation has modified and amended its coatings material acceptance policy and contractor coating application requirements to improve corrosion protection of Florida’s transportation infrastructure. The cost saving advantages to the State are estimated to range from $2.3 to 19 million/year
This presentation will high light the new ultra-high solids tank lining products and discuss the equipment necessary to properly apply them, giving owners the ability to return their tank to service in a very short time frame.
Major bridge rehabilitation projects may include painting of the steel superstructure in addition to deck replacement, expansion joint improvements, bearing replacement, etc. This paper will review the scheduling of the coatings work during a bridge rehabilitation project and how the order of coatings work affects the project schedule, cost, and quality.
Metal curtain wall and extrusions in prominent office buildings may need to be repainted either because the original factory applied finishes have dulled or because the owner wants to give the building a fresh look. Many monumental buildings are constructed with factory painted aluminum or steel cladding (curtain wall) and window extrusions. These buildings need to be repainted with field applied coatings that match the appearance and durability of the factory finishes.