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

Solving Surface / Interfacial Tension Issues (Wetting, Leveling…)

On-Demand Course

Recorded on Oct 21, 2014

Solve your surface tension issues (pigment dispersion, adhesion, leveling...) by expertly balancing your surfactants (wetting agent, levelers, defoamers…).

Johan Bieleman will share his 35+ yrs' practical experience on how to select the right chemistry (polysiloxane, polyfluorsurfactant...) & how to avoid side-effects betw. your surface active additives.

Read the full Course Outline

Johan Bieleman Presented By:
Johan Bieleman
Length: 90 min

Course Type: Formulation
Level: Intermediate

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Package includes:

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

Why should you view this course?

Formulating waterborne systems requires the use of plenty of surface-active additives (wetting agents, levelers, associative thickeners, defoamers...) and it is often difficult to find the right balance in composition to achieve desired performance while minimizing side-effects.

  1. Save time selecting surfactants (polysiloxanes, polyfluorsurfactants, APE-free organic surfactants...) with a detailed review of their pros & cons by an expert in additives
  2. Reduce costs of your WB coatings and inks by adjusting variety and loadings of additives used to reach targeted performance
  3. Achieve better balance in paint properties (wetting, adhesion, leveling, film appearance...) by efficiently controling tensions at different interfaces
surface tension issues

Who should view this course?

Formulators, technicians, engineers, scientists & managers involved in the development of waterborne paints, inks and related ingredients and those switching from solventborne coatings

Course Outline

The following sections will be covered during this session:

  1. Introduction: source and meaning of interfacial tension

  2. Features of interfacial tension modifiers

  3. Product categories (benefits & limitations)
    • Organic hydrocarbon based interfacial tension modifiers
    • Polysiloxanes
    • Polyacrylates
    • Polyfluorsurfactants
  4. Achieving optimal performances
    • Adjusting interfacial tension of waterborne paints and inks
    • Adjusting interfacial tension of paints and inks for plastics, low surface tension substrates
    • Pigment wetting
    • Substrate adhesion
    • Leveling
  5. Selection methodology for problem solving
    • How to avoid side-effects
    • Correction of surface tension related to paint film defects (crawling, cratering, pinholes, Benard cells, orange peeling, etc)
    • Leveling agent chemical structure depending on required features

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Members Reviews

This e-training explained very well the use of surfactants in paints & coatings

Shireen B. , from ADM

Very good! This course gave a general overview of waterborne coatings and the causes/defects one might see.

Sara L. , from DuPont

The e-training showed the specific problems of interfacial tension and how to overcome those problems.

Joel R. , from Folien Fischer AG

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