Formulation Material Selection

Maximizing Moisture Resistance in Structural Epoxy & Polyurethane Adhesives

Maximizing Moisture Resistance in Structural Epoxy & Polyurethane Adhesives
Language: English
Length: 90 min
Recorded on: 25 Sep 19

Package Includes

6 months access to Course Recording, Presentation Slides, Q&A Transcript

Course Description

Ensure long-term service life of joints bonded with your structural adhesives (epoxy, PU) by applying expert solutions to maximize moisture resistance.



Edward Petrie will explain the impact of moisture absorption & application conditions (wind turbine blades, marine environment…) on adhesive properties, interfaces, & substrates. Practical tips to mitigate moisture degradation, selection criteria for base polymers, testing standards, & recent trends will be addressed.

121+
Students
Intermediate
Level
Edward M Petrie
Edward M Petrie
EMP Solutions
0 courses

Edward Petrie has been active in the adhesives industry for over 35 years, both in the formulation and end-use sides. He has a BS (Chemical Engineering) and MS (Polymer Science) degrees from Carnegie Mellon University and an MBA from Duquesne University.

Throughout his industrial career, Mr. Petrie has been employed by two major global corporations ABB and Westinghouse as an internal consultant in adhesives and polymeric materials. In both corporations, he was part of the Central Research Laboratories and assisted all of the divisions within the organization.

His expertise includes material and process selection, testing, formulating, substrate preparation, and quality control, with emphasis on the end-user application and performance requirements. Applications include structural and non-structural joining of all materials. Mr. Petrie is also an expert in joining polymeric materials by all methods, including mechanical fastening, self-fastening, and heat and solvent welding.

Mr. Petrie has authored over 100 papers on adhesives as well as the popular Handbook of Adhesives and Sealants (McGraw-Hill, October 2000) and Plastic Materials and Processes – A Concise Encyclopedia (John Wiley & Sons, August 2003). He has also given seminars and adhesives and adhesion to corporations, universities, and government organizations.

Mr. Petrie is an independent consultant and sole proprietor of EMP Solutions. He is also a Technical Advisor and Consultant to adhesives.specialchem.com, an online service platform dedicated entirely to adhesives and sealants.

Why should you view this course?

If you are not careful while selecting ingredients (polyols, base polymers, curing agents...) to formulate your structural adhesive, the bonded joint may not hold up in extreme environmental conditions (marine, windmills...). This occurs mainly due to the negative impact of moisture.

Tackling this issue using a trial-and-error method or choosing an outdated solution will not help! Join this course to:

  1. Understand how moisture negatively impacts the bulk properties of structural adhesives, interfaces, & substrates.

  2. Maximize moisture resistance with the right selection of ingredients (polyols, base polymers, curing agents...) as per applications (transportation, wind turbine blades, marine, civil engineering...).

  3. Ensure long-term adhesive strength without affecting other desirable application & service-life properties using expert tips.

  4. Learn about chemical testing environment standards with practical examples.

  5. Get advice on your own technical challenges by interacting live with our experienced expert Edward Petrie.

Who should join this course?
  • Epoxy & Polyurethane Adhesive Formulators and End-Users who are looking to enhance the service life of their structural adhesives while maximizing moisture resistance must opt for this course.

  • This course is suitable for intermediate level proficiency
    Intermediate
Course Outline

Introduction (state of the industry, new applications requiring moisture resistance, etc.)

Mechanisms of Moisture Degradation & Moisture Absorption in Epoxy and PU Structural Adhesives (bulk properties, interfaces...)

Strategies to Improve Moisture Resistance (selection of base polymer, usage of adhesion promoters, modification of adhesive/sealant)

Base Polymer Considerations – Epoxy & PU (adhesive composition, morphology...)

Effect of Additives

Effect of Processing Conditions & Service Environments (surface treatments on durability, stress on long-term aging...)

Chemical Testing Environment Standard for Moisture Resistance (MM-A-132, MIL-A-304)

Review of Recent Developments (biopolymers, hybrids-molecular engineering, new base polymers & curing agents...)

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Maximizing Moisture Resistance in Structural Epoxy & Polyurethane Adhesives
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