Product Improvement

DSC Practical Interpretation with Examples for Polymer Development

Language: English
Length: 90 min
Recorded on: 06 Feb 24

Package Includes

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

Course Description

Accelerate your plastics development by using DSC to its full potential and interpret qualitative & quantitative data to minimize additive interactions, fine-tune processing, avoid premature failure...

Jeffrey Jansen will help you understand:

  • how DSC experiments are run for precise results without using large samples
  • how to troubleshoot when polymeric materials do not perform as expected
  • which materials need to be altered for accurate results
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Jeffrey A Jansen
Jeffrey A Jansen
The Madison Group
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Jeffrey A. Jansen is the Engineering Manager and a Partner at The Madison Group, an independent plastics engineering and consulting firm. Jeff is a proven plastic professional with more than 30 years of experience solving problems and addressing opportunities related to polymeric materials. He specializes in failure analysis, material identification and selection, as well as compatibility, aging, and lifetime prediction studies for thermoplastic materials. Jeff has performed over 5,000 investigations, both for industrial clients and as a part of litigation. He regularly presents live seminars and webinars covering a wide range of topics related to plastics failure, material performance, testing, and polymer technology. Jeff is a graduate of Carroll College and the Milwaukee School of Engineering

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Participants of this course includes

Why should you view this course?

Differential Scanning Calorimetry (DSC) is not limited to characterizing & identifying polymeric materials. From determining best processing temperatures, estimating percent crystallinity, to measuring residual cure and Tg, this analytical tool has a lot to offer.

Make sure to equip yourself with the right interpretation skills and explore the advantages of this technique (material condition, properties…) by joining this course and learn to:

  1. Extract more concrete data (glass transition temperatures, percent crystallinity, oxidative stability, degree of cure...) by learning how to efficiently interpret DSC curves.

  2. Optimize performance of your polymeric materials by seeing in practice how to proceed on real cases (material identification, failure analysis).

  3. Design better development strategy by understanding the key requirements to overcome issues like calibration, sample preparation, contamination…

Who should join this course?

  • R&D people who want to efficiently use DSC to either optimize their existing formulations or develop new ones.

  • Complete the course and (unlock your personalized certificate)– your badge of accomplishment awaits!

  • This course is suitable for intermediate level proficiency
    Intermediate
Questions you will be able to answer after this course:

  1. How melting point can be used to identify plastic materials of different types (PE, PP, PA…)?

  2. How DSC can be applied to differentiate between types of nylon?

  3. How crystalline melting temperature (Tm) can be used to distinguish homopolymers & copolymers?

  4. How to determine the crystallization "speed"?

Course Outline

Fundamentals of Differential Scanning Calorimetry (DSC) in polymer analysis

  • Overview of DSC
  • Understand how DSC experiments are run for polymers
  • How to review & interpret DSC analysis data?

Application of DSC to Polymer Systems

  • Identification of polymers, polymer blends, polymer additives…
  • Material condition (degradation, purity, oxidative stability, molded-in stress…)
  • Polymer properties (crystallinity, heat history…)

Modulated DSC

  • Standard DSC vs modulated DSC
  • Operating principle
  • Commonly plotted MDSC signals

DSC Test Methods & Thermogram Interpretation

  • Important parameters to consider (sample pan, calibration, purge gas…)
  • Determining the starting point of the data
  • Endothermic vs exothermic
  • Thermogram artifacts

Main Sources of Errors in DSC

  • Pitfalls to avoid for best results

Real Life Cases (Automotive sleeve, Electrical housing, Plastic coupling…)

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Prerequisites for this course

It is recommended that participants have a basic understanding of:

  • Terms like glass transition temperature (Tg​) and melting temperature (Tm​)
  • Thermal analysis techniques like TGA, DSC and DMA measure is beneficial.

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