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Advanced Technology in Field Applied Thermoplastics for Corrosion: Protection Superior to Thermoset Coating Systems

Advanced Technology in Field Applied Thermoplastics for Corrosion: Protection Superior to Thermoset Coating Systems
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The control, mitigation and prevention of corrosion in environments ranging from mildly corrosive to severe atmospheric conditions to underground exposures (such as pipelines) to chemical spill and fume exposures has long been focused on the use of thermosetting polymers such as epoxies, polyesters, vinyl esters and urethanes. For the most part these materials have worked reasonably well in applications such as structural steel and equipment coatings, architectural paints, vessel linings, concrete coatings, secondary containment linings, and floor toppings.

Product Number: 41205-195-SG
Author: Thomas G. Priest
Publication Date: 2005
Industries: Coatings , Corrosion Monitoring and Control
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The control, mitigation and prevention of corrosion in environments ranging from mildly corrosive to severe atmospheric conditions to underground exposures (such as pipelines) to chemical spill and fume exposures has long been focused on the use of thermosetting polymers such as epoxies, polyesters, vinyl esters and urethanes. For the most part these materials have worked reasonably well in applications such as structural steel and equipment coatings, architectural paints, vessel linings, concrete coatings, secondary containment linings, and floor toppings. However, these thermosetting materials also have major limitations such as service temperature, lack of tolerance for a wide range of field conditions including humidity, temperature and substrate preparation, cure time, ease of repair, and related installation issues. Thermoplastics have known advantages over thermosets in water resistance, proper particle distribution, controlled film thickness and integrity and substrate encapsulation.  Heretofore, field application of thermoplastics has been impractical and only marginally successful in a few limited applications. Development of new technology in the areas of thermal bonding agents and more dimensionally stable thermoplastic powder coating materials has resulted in significantly increased potential for use in field applications in a wide variety of uses.

The control, mitigation and prevention of corrosion in environments ranging from mildly corrosive to severe atmospheric conditions to underground exposures (such as pipelines) to chemical spill and fume exposures has long been focused on the use of thermosetting polymers such as epoxies, polyesters, vinyl esters and urethanes. For the most part these materials have worked reasonably well in applications such as structural steel and equipment coatings, architectural paints, vessel linings, concrete coatings, secondary containment linings, and floor toppings. However, these thermosetting materials also have major limitations such as service temperature, lack of tolerance for a wide range of field conditions including humidity, temperature and substrate preparation, cure time, ease of repair, and related installation issues. Thermoplastics have known advantages over thermosets in water resistance, proper particle distribution, controlled film thickness and integrity and substrate encapsulation.  Heretofore, field application of thermoplastics has been impractical and only marginally successful in a few limited applications. Development of new technology in the areas of thermal bonding agents and more dimensionally stable thermoplastic powder coating materials has resulted in significantly increased potential for use in field applications in a wide variety of uses.

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