Formulation Material Selection

Solving Adhesion Issues of Coatings & Inks

Solving Adhesion Issues of Coatings & Inks
Language: English
Length: 90 min
Recorded on: 02 Dec 24

Package Includes

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

Course Description

Avoid failure cases! Quickly tackle real-life coatings adhesion issues (weak boundary layers, poor wetting, insufficient roughness, lack of strong interactions & stress...) and troubleshoot them with expert solutions.

Expert consultant - Jochum Beetsma, will focus on the key aspects of coatings adhesion (wetting process, film formation, adhesion mechanisms & the influence of additives...). Surface pre-treatment for different substrates (plastics, metals, wood…) and test methods will also be discussed.
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Jochum Beetsma
Jochum Beetsma
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Jochum Beetsma graduated in physical chemistry from the University of Groningen. He worked at PPG on the development of Industrial Coatings and at DSM Coating Resins on Emulsion Systems, Powder Coatings, High Solids, Additives and complete formulations.
Since 2004 Jochum is independent consultant for companies in coating and ink industry. Innovative multinationals as well as small companies call in the help of Jochum when problems have to be solved, or, when assistance is needed in New Product Development.
He conducts in-company training programs and he is lecturer within the Dutch Coating Technology training program. Additionally, Jochum develops and conducts Paint Technology courses for Reed Business Education and for SpecialChem. He is member of the SpecialChem Expert Team.
Jochum is specialised in the field of New Product Development. He is certified as New Product Development Professional by PDMA, being the global leading organisation with respect to product development and innovation.

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Why should you view this course?

Ensuring proper adhesion between coatings and various substrates (wood, metals, plastics, and mineral substrates) continues to be one of the most critical challenges. Whether it is strong shrinkage seen within the coating itself or low surface energy of the substrate’s surface, multiple factors can negatively influence adhesion.

Simultaneously, applying incorrect methodologies will waste your time in resolving adhesion issues (poor wetting, insufficient roughness, lack of interactions & weak boundary layers...). Speed up by joining this online course and:

  1. Be quick to detect factors disturbing your coating adhesion by reviewing key adhesion mechanisms (intermolecular interactions, diffusion, surface roughness, penetration, and interfacial crosslinking).

  2. Troubleshoot faster by reviewing compatible fixes (pre-treatment & additives) based on root causes analysis.

  3. Gain understanding of how to measure adhesion using pull-off & cross-cut tests.

  4. Get expert guidance to solve your own adhesion challenges based on real-life examples.

Who should join this course?

  • Experienced developers, formulators, producers, and users of coatings, inks, and related systems (waterborne, solvent-based, high solids, melts, and powder coatings) for application on different substrates (wood, metals, plastics, and mineral substrates...).

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

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  • This course is suitable for advanced level proficiency
    Advanced
Course Outline

Importance of Wetting and Spreading

  • Surface Tension and Surface Energy
  • Pre-Treatment and Additives

Pre-Conditions for Adhesion

  • Complete Wetting
  • Surface Roughness
  • Adjustment of Interactions
  • Prevention of Stress (Caused by Shrinkage)

Influence of Additives on Adhesion

  • Wetting Agents
  • Adhesion Promoters
  • Coalescence
  • Release Agents

Understanding of Adhesion Mechanisms

  • Intermolecular Interactions (Hydrogen Bonding)
  • Diffusion
  • Penetration
  • Mechanical Anchoring
  • Covalent Bonding

Main Causes and Solutions for Adhesive Failure

  • Additives
  • Stress
  • Substitution
  • Hydrophobicity
  • Dirt
  • Smoothness
  • Weak Boundary Layers

How to Measure Adhesion

  • Pull-Off Test
  • Cross-Cut Test

Everyday Problems Associated with Intercoat Adhesion

  • Common Issues in Various Industries
  • Solutions and Preventive Measures

Real-life Formulation Examples

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Solving Adhesion Issues of Coatings & Inks
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