Ed Petrie, EMP Solutions
Wednesday, September 15, 2010
10:00 – 11:00 a.m.
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Webinar Description: 

For an adhesive bond to be useful, it must resist the service environment to which it is exposed.  One of the most common service environments is moisture. Moisture can be present in the air (relative humidity), result from precipitation, or be present as a marine environment. Adhesives are often degraded by moisture exposure and some are affected more than others. This course is designed provide an understanding of how adhesives degrade under various moisture conditions and offer guidance in maximizing the durability of adhesive joints in these environments. 

Participants will learn about degradation mechanisms caused by moisture and the combination of moisture with other service environments. The webinar will also cover which adhesive systems are best in these environments and how application and processing steps affect durability.  Accelerated test methods to measure moisture resistance will also be discussed.

This is information you can begin using immediately to improve your adhesive applications.

The course is specifically designed for those who are new to the industry or those who need an understanding of environmental effects on adhesive joints. An advanced prior knowledge of the subject is not assumed. 

Webinar Outline

On-line presentation: 45 minutes:

1. Introduction
2. The Unique Properties of Moisture
3. Outdoor Weather vs. Liquid Immersion
4. Moisture Effect on Structural and Non-Structural Adhesives

• Bulk Adhesive
• Interface

5. Combined Environmental Effects

• Humidity and Temperature
• Humidity, Temperature, and Stress

6. Osmotic Blistering
7. Accelerated Aging
8. Trends

On-line question and answer session: 15 minutes

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