JPCL February 2019

 
JPCL February 2019


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Corrosive Soils and Risk Mitigation for Solar Structures

by Paul Trautmann and Matthew Markowski, The Sherwin-Williams Company; and Brien Clark, James Keegan and Mersedeh AkHoondan, HDR

Locations for utility-scale photovoltaic (PV) solar construction projects do not always provide ideal soil conditions for the steel H-beam pile supports that are embedded into the ground. Corrosion of these piles due to disturbed or corrosive soils is a concern for design engineers and owners, and today’s high-performance coatings can provide an excellent solution. This article will discuss the different corrosion mechanisms and inhibitors present in different soil conditions and the protective properties of different coatings types to meet the service life requirements for steel solar structures.


Bring on the Heat: Infrared Radiation Thermal Imaging and Coating Application

by Dudley J. Primeaux II, PCS, CCI, Primeaux Associates LLC

The use of infrared radiation thermal imaging (IR-TI) has shown a wide variety of uses across a number of industries. IR-TI works by emissivity and because thermoset coatings are typically exothermic in nature, IR-TI has proven useful in providing information about coating application not detectable by the human eye. This article explores using IR-TI to evaluate and monitor coating application.


Novel Isocyanate-Free Resins for One- and Two-Component Protective Coatings

by Denis Heymans and Catherine Romanowska, Hexion Research Belgium; and Marcelo Herszenhaut, Hexion Inc.

Two-component polyurethane systems (2K PU) are the most widely used topcoats for high-quality protective applications, combining outstanding chemical and weathering resistance with excellent mechanical properties. However, environmental, market and cost pressures have led to the development of alternatives to these conventional topcoats, including isocyanate-free binders. This article presents a new family of polymers, combining neoacid esters and alkoxysilane monomers and compares them to 2K polyurethane and acrylic silane systems for typical performance parameters.


2019 JPCL Coating Systems Buying Guide for Steel


   
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