Materials Know How

Tracing the History of Polymeric Materials, Part 25: Silicones

The long road to the development of silicone resulted in a chemistry that is remarkably versatile.  

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Materials

The Importance of Melt & Mold Temperature

Molders should realize how significantly process conditions can influence the final properties of the part.

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Tracing the History of Polymeric Materials: Silicones

More properly known as siloxanes, silicones are a class of materials where no carbon is present in the polymer backbone.  

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How Do You Like Your Acetal: Homopolymer or Copolymer?

Acetal materials have been a commercial option for more than 50 years.

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PBT and PET Polyester: The Difference Crystallinity Makes

To properly understand the differences in performance between PET and PBT we need to compare apples to apples—the semi-crystalline forms of each polymer.

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Tracing the History of Polymeric Materials: Polyphenylene Oxide Blends

PPO was a promising new high-performance thermoplastic, but it could be made useful only by mixing it with a humble commodity resin.

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Materials

The Strain Rate Effect

The rate of loading for a plastic material is a key component of how we perceive its performance. 

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Why (and What) You Need to Dry

Other than polyolefins, almost every other polymer exhibits some level of polarity and therefore can absorb a certain amount of moisture from the atmosphere. Here’s a look at some of these materials, and what needs to be done to dry them.

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Tracing the History of Polymeric Materials: The Commercialization of Acrylic

We covered the invention of acrylic in our last installment. Here, we discuss its commercial development.  

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