Product Improvement

Discoloration of PVC Products: How to Minimize or Avoid It

Discoloration of PVC Products: How to Minimize or Avoid It
Language: English
Length: 90 min
Recorded on: 28 Apr 21

Package Includes

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

Course Description

Minimize discoloration of your PVC products
(Pipes, cables, membranes…) by understanding the complexity of discoloration issues (photo bluing, photo pinking, photo greying, chalking…) and how to reduce and/or avoid it using different mechanisms.



Michael Schiller will explain which raw materials can cause problems and eventually how to change product compositions to decrease the issues at the formulation stage itself, along with practical tips.

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Students
Intermediate
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Michael Schiller
Michael Schiller
HMS Concept e.U.
0 courses

Dr. Michael Schiller is a leading expert in PVC stabilizers and PVC technology, with more than 25 years of experience working in the PVC industry.

He worked at Chemson's Group R&D for 17.5 years and was head of Akdeniz Kimya's Innovation and Sustainability Center for 6 years. He is also an author and editor of books at Carl Hanser Publisher in Munich/Germany. He is also a lecturer at the Montanuniversität Leoben/Austria about 'PVC and its technology.'

In 2015, he founded HMS Concept e.U., a consulting company in chemical, environmental, and plastic technology with a vision to have leadership in innovative sustainability and sustainable innovation.

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Why should you view this course?

Being in the PVC industry, you will agree that discoloration has been a long-standing challenge! Whether it's rigid or plasticized PVC, filled or transparent PVC products, issues like yellowing, photo bluing, photo pinking, and chalking are common. These discolorations will persist unless proactive measures are taken.

By understanding the underlying causes of discoloration, it’s possible to take corrective actions in time! Say goodbye to discoloration in PVC products by joining this course. In this course, you will:

  1. Save your R&D time by getting an overview of the problems and their complexity.

  2. Identify the suspicious raw materials in time, so you can adjust the product composition to minimize the issue.

  3. Find the best-suited additive or raw material (e.g., filler content, titanium dioxide, antioxidants…) for your application, whether for rigid, plasticized, filled, or transparent PVC products.

  4. Get advice and practical tips on your own technical challenges by interacting live with our expert, Michael Schiller.

    Get a participation certificate upon joining the Live Online Course!

Who should join this course?

  • End users of colored PVC products.

  • Formulators, raw material suppliers, and manufacturers, as well as anyone facing PVC discoloration issues and wanting to understand the related mechanisms.

  • This course is suitable for intermediate level proficiency
    Intermediate
Course Outline

Overview of photochemistry

Types of discolorations:

  • Chalking
  • Photo bluing
  • Photo greying
  • Photo pinking
  • Yellowing… and many more

Factors that contribute to discoloration (e.g., water absorption, humid surroundings, environmental pollutants like pollen, flying rust…) and materials causing discoloration.

Understanding the mechanism of each type of discoloration and how to avoid them.

Comprehensive test methods: Xenotest, PEMF, etc.

Practical tips to minimize or avoid discoloration (raw materials and dryblend composition).

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Discoloration of PVC Products: How to Minimize or Avoid It
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