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Evaluation of Polysiloxanes as Green Alternatives to Solution Vinyl Coatings

Evaluation of Polysiloxanes as Green Alternatives to Solution Vinyl Coatings
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Solution vinyl resin coatings are an effective coating system that have been used on raw water hydraulic steel structures since the 1940’s, including many of the nation’s hydroelectric and lock and dam facilities. The high performance of the vinyl coating is at the cost of releasing high amounts of volatile organic compounds into the air. This study evaluates polysiloxane coating systems as greener alternatives to solution vinyl systems.  

Product Number: 51220-287-SG
Author: Allen Skaja, Carter Gulsvig, Stephanie O. Prochaska, Bobbi Jo E. Merten, Grace Scarim, Izabella Mastroianni
Publication Date: 2020
Industry: Coatings
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$20.00
$20.00

Solution vinyl resin coatings are an effective coating system that have been used on raw water hydraulic steel structures since the 1940’s, including many of the nation’s hydroelectric and lock and dam facilities. The high performance of the vinyl coating is at the cost of releasing high amounts of volatile organic compounds into the air. This study evaluates polysiloxane coating systems as greener alternatives to solution vinyl systems.  Laboratory experiments were executed to simulate immersion and cyclic weathering conditions that the infrastructure may endure. The analysis also included physical testing of the coating resistance to impacts, abrasion, and erosion. Electrochemical analysis included cathodic disbondment testing to evaluate compatibility with cathodic protection systems and electrochemical impedance spectroscopy to determine barrier and degradation properties.

Solution vinyl resin coatings are an effective coating system that have been used on raw water hydraulic steel structures since the 1940’s, including many of the nation’s hydroelectric and lock and dam facilities. The high performance of the vinyl coating is at the cost of releasing high amounts of volatile organic compounds into the air. This study evaluates polysiloxane coating systems as greener alternatives to solution vinyl systems.  Laboratory experiments were executed to simulate immersion and cyclic weathering conditions that the infrastructure may endure. The analysis also included physical testing of the coating resistance to impacts, abrasion, and erosion. Electrochemical analysis included cathodic disbondment testing to evaluate compatibility with cathodic protection systems and electrochemical impedance spectroscopy to determine barrier and degradation properties.

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(Insulation & Corrosion) Field Application of Third Generation Polysiloxane Coating Systems

Product Number: 18-COAT_DEC21
Author: Peter Bock / James Reynolds
Publication Date: 2021
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Third Generation Polysiloxane (TGPS) ambient curing CUI mitigation coatings have been used in the petrochemical industry for over five years since the “third generation” concept was introduced at NACE Corrosion 2017. These coating technologies have demonstrated positive results in both shop and field application for asset management in elevated temperature, cryogenic and cyclic applications across -196 to 650o C/ -321 to 1200o F operational temperatures. TGPS coatings have also demonstrated effective use of a two-step (primer-insulation) CUI mitigation coating approach operating up to 400o C/750o F, when compared to the traditional (CUI coating-fibrous insulation-cladding) systems.
Improving the Performance of Epoxy-Polysiloxane Coatings
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Improving the Performance of Epoxy-Polysiloxane Coatings

Product Number: 41215-907-SG
Author: Dean Kondos, Vikram Kumar, Kujtim Bizati, Christian Geismann, Martin Wusik
Publication Date: 2015
$20.00

A new patent-pending resin technology incorporated into the epoxy/polysiloxane part A portion of a two-component coating system, using an amino-silane curing agent, has shown significant improvements in flexibility, gloss and color retention. Corrosion resistance and adhesion to non-sandblasted metal substrates have also shown improvements. The new resin technology may be considered for low-VOC and HAPs coating systems. 
Past Versus Present - Comparing Laboratory Performance of Vinyl Resin Coatings with Modern Epoxy-Polysiloxane Coating Systems
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Past Versus Present - Comparing Laboratory Performance of Vinyl Resin Coatings with Modern Epoxy-Polysiloxane Coating Systems

Product Number: 51217-076-SG
Author: David Tordonato, Bobbi Jo Merten, Allen Skaja
Publication Date: 2017
$20.00

Starting in the 1940’s, solution vinyl resin coatings were used extensively to protect steel structures in fluctuating immersion service from corrosion. However, these systems fell out of favor when more restrictive volatile organic compounds regulations were implemented in the 1990’s. Since then, traditional epoxy systems have become a workhorse in the protective coatings industry. Unfortunately, these materials tend to degrade in sunlight, and experience has revealed their service life to be suboptimal compared to legacy coatings systems such as vinyls
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