Know-How - Materials

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Published: 11/23/2016

Finding Root Causes of a Material Problem
Tools and methods for determining oxidative stability can be useful, but even more useful if constructed to yield the information you really need.

Published: 10/18/2016

The Importance of Oxidative Stability in Polyolefins, Part 3
Tools and methods for determining oxidative stability can be useful, but even more useful if constructed to yield the information you really need.

Published: 9/27/2016

The Importance of Oxidative Stability In Polyolefins, Part 2
The DSC test can do a reasonably good job of capturing the comparative behavior of materials that use similar antioxidant chemistries.

Published: 8/24/2016

MATERIALS: The Importance of Oxidative Stability in Polyolefins
Because oxidation is a process that causes materials to deteriorate over time, its effects or potential for those effects are not always apparent when new products are tested.

Published: 7/29/2016

MATERIALS: Understanding Strain-Rate Sensitivity In Polymers
Material behavior is fundamentally determined by the equivalence of time and temperature. But that principle tends to be lost on processors and designers. Here’s some guidance.

Published: 5/26/2016

MATERIALS: Thermoplastic Urethanes: Why Annealing Makes a Big Difference
Under the right conditions, annealing can drive TPU performance to a greater level than can be achieved at room temperature.

Published: 4/25/2016

MATERIALS: The Problems with Single-Point Data
It’s time for material suppliers to take a fresh approach to providing data. Thankfully, things are starting to move in that direction. Part 12 of 12.

Published: 3/24/2016

MATERIALS:The Problems with Single-Point Data
This real-world scenario explains why molders and their customers need to ‘think in terms of graphs’ and gather as much data as possible before selecting a material for an application. Part 11.

Published: 2/22/2016

MATERIALS: The Problems with Single-Point Data: Part 10
You can predict creep performance of a material over time at a particular temperature by examining how its modulus changes over a range of temperatures.

Published: 1/20/2016

MATERIALS: The Problems with Single-Point Data: Part 9
Time—and not just temperature—governs the behavior of materials under load. Both must be considered when evaluating a polymer for an application.