The material selection platform
Coatings Ingredients
The material selection platform
Coatings Ingredients
Online Course

Rheology & Viscosity Made Easy

On-Demand Course

Recorded on Jan 20, 2021

Get tangible data and directions from rheology by knowing how to translate pourability, sag resistance… into rheology targets (complex modulus, yield stress, shear rate...)

Neil Cunningham will provide a clarity around the core fundamentals without the complexity of equations, that enables efficient management of the rheological profile of your product.

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Read the full Course Outline

Neil Cunningham Presented By:
Neil Cunningham

Length: 90 min

Course Type: Technology
Level: Beginner

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Package includes:

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

Why should you view this course?

Rheology is often viewed as something of a ‘black art’ whereas, if understood well, it can provide tangible data to achieve desired performance. Clarity around the core fundamentals enables efficient management of the rheological properties of your product. Join this online rheology training and:

  1. Get a grip on rheology by linking more easily desired performance (pourability, sag resistance...) to the corresponding rheology properties

  2. Get ready for confident result interpretation by bringing G*, G', G'', tan delta values out of abstract shadow with simple, real-life phenomena association

  3. Ease your viscosity adjustments by clarifying the impact of imposed shear, shear history and temperature on your formulation
Rheology made easy

Who should view this course?

Formulators, QC managers & technicians and Process developers with a need to get more familiar with rheology basics and principles.

Exclusive Preview


Course Outline

The following sections will be covered during this session:
  1. Introduction
    • What is rheology?
    • What are rheology modifiers?
    • What are structured fluids and viscoelastic materials?

  2. The Rheologist’s Toolkit of Parameters: Identifying the information critical to your products and processes
    • Structure Parameters:
      1. Phase Angle
      2. Complex Modulus
      3. Elastic and Viscous Moduli
      4. Compliance
      5. Zero-shear Viscosity
    • Yield / Recovery Parameters:
      1. Yield Stress
      2. Yield Strain
      3. Thixotropic Breakdown Rate
      4. Thixotropic Recovery Rate
    • Flow Parameters:
      1. Viscosity at Relevant Shear Rate
      2. Infinite Shear Viscosity
      3. Viscosity-profile Parameters

  3. Understanding viscoelasticity and the concept of elasticity in liquids
    • Definition of "solidity" / elasticity
    • How to measure "solidity": the oscillation technique
    • Viscoelastic parameters explained
      1. Comparing food products: Hotdog mustard vs cream cheese
      2. Comparing topical products of varying “stiffness”: Ointment, lotion & cream
      3. Viscoelasticity and timescale

  4. Back to the Rheologist’s Toolkit: what have we learnt?

  5. 30 mins Q&A - Interact live/ ask questions directly from the expert!

The concepts will be presented in an accessible style, without the fearsome equations that often dominate the published literature on the subject.

Have a query? Email us for any help!

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Want to put principles to practice?
Join part 2 ‘Testing Rheology & Viscosity in Practice. Neil Cunnigham will help you:
  • Choose the appropriate rheology testing and viscosity testing method
  • Interpret and quantify results
  • Understand concepts with practical examples…
Add ‘part 2 & get 10% off
use code: COMBO10

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Members Reviews

Extremely insightful rheology overview, great outline & format, good terminology & definitions, very intuitive with excellent examples!

Tom M. , from Da-Lite Screen

Presenter was excellent on teaching the fundamentals. Personally, he has set me straight on a couple of key definitions.

Benjamin Y. , from Imerys

Excellent Course! It gave a good overview with relevant, relateable examples.

Alison S. , from 3M

Loved the way Neil Cunningham explained the technical areas in very understandable terms. Great examples to understand viscous and elastic flow behaviors.

Jim H. , from Golden Artist Colors Inc.

We now understand more of rheology and how it affects our products. Learnt about why the viscosity changes and what factors affect it.

Mikael W. , from NAILS R US AB

Good explanations of rheologic terms and definitions. Very applicable information.

Amber W. , from International Paper

Excellent course! Very clear presentation, great examples!

Erica J. , from Kraton Polymers Research

Excellent! Easy explanation of the theory and useful examples.

Keith M. , from EASTMAN

Greatly aided in the development to our approach and application of rheological matters in our systems. Really helped to connect all the dots after many months of studying the field on my own, and helped me to understand the subject as a whole.

Ray B. , from Handwash Systems of the Carolinas

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