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The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
Online Course

Understanding Physical Chemistry of Coatings: Solve Formulation Issues Faster

This is a Past Course

Recorded on Mar 19, 2020

Systematically solve all your coatings formulation challenges (stabilization, dispersion, film-defects…) by identifying the root causes of the issues.

Jochum Beetsma will help you understand physical chemistry behind each process & concept (surface tension, adsorption, wetting, colloidal stability, capillary phenomena, coalescence...) and share insights on how to put them to use.

Read the full Course Outline

Jochum Beetsma Presented By:
Jochum Beetsma
Length: 90 min

Course Type: Formulation
Level: Beginner

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Package includes:

.wmv Courses Recording, Presentation Slides & Transcript of Q&A session

Why should you view this course?

Most of the challenges (stabilization, dispersion, film-defects…) in coatings are due to the lack of understanding of physico-chemical concepts.
And, it appears that if these concepts are known and understood, they can be used to tackle those challenges systematically. So, why to wait? Join the course and:

  1. Increase your ability to analyze how ingredients interact in your formulation and optimize cost / performance ratio of coatings.

  2. Understand clearly the physical chemistry behind each process & concept (adsorption, wetting, adhesion, capillary pressure, wetting…) to make better decisions in your day-to-day work.

  3. Better link your formulation issues with their root causes (surface tension, rheology...) to find accurate solution and save spending your precious time on trial & error.
Physical Chemistry for a Good Start in Problem Solving (Part 1)

Who should view this course?

Developers of raw materials, Coatings and inks formulators, & producers with a need to get in-depth understanding of physico-chemical coatings concepts must opt for this course.

Course Outline

The following sections will be covered during this session:


  1. Introduction of key concepts
  2. Understand Hydrogen bonding for better adhesion, solubility, pigment stabilisation...
  3. Surface tension and surface energy
  4. Adsorption of materials at interfaces
  5. Wetting: a pre-condition for good adhesion and wetting agents
  6. Capillary phenomena caused by curved interfaces & how it helps in pigment wetting
  7. Coalescence of binder dispersions
  8. Osmosis
  9. Colloidal stability: electrostatic and steric repulsion
  10. 30 mins Q&A: ask your questions directly to the expert !


Here is the kind of questions you will be able to answer without difficulties:

  • How does capillary pressure help in both pigment wetting and film formation?
  • Why does electrostatic stabilisation often fail in waterbased systems?
  • What does surface tension really tell and how can the property be used?
  • How can I predict whether or not a wetting agent will be needed?
  • How can I quickly check pigment hydrophilicity / hydrophobicity?
  • How is it possible that a binder dispersion forms a film below the glass trasnsition temperature?

Have a query? Email us for any help!

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Members Reviews

Very good fundamental approach to coating formulation and stabilization

Ben G. , from Andersen

Excellent physical examples of the mechanisms of surface energy helping to describe the equations.

Michael D. , from Taconic

Excellent! It applies directly to our coatings work and discusses helpful problem solving techniques.

Tim P. , from Sawgrass Technologies

Excellent - Condensed math concepts to allow relevance to operations used in everyday work.

Roger K. , from Eastman Kodak Company

Understanding the forces behind the dispersion of pigments and film formation can provide insight into diagnosing and resolving formulation issues. This course gave me a boost!

Tiffany S. , from The Sherwin Williams Company

An Excellent Course! I now understand why I've had trouble coating certain substrates with my PSAs.

Herbert C. , from Cray Valley USA

Improved my understanding of the underlying causes of many formulation and film defects we often observe during development. This course gave me the tools that may help combat them.

Christopher J. , from International Paint

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