Glass Transition Temperature and You

www.harrogateironing.co_.uk-Extreme-ironing-underwater-with-Shark

Glass transition temperature is an often discussed but poorly understood property of plastic materials. I want to clear up some of the mystery of glass transition temperature and help you understand how it can be used in picking the right material for an application.

I know what you’re thinking. What does ironing have to do with glass transition temperature? Read on and find out.

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Understanding Humidity and Dew Point

Dew Point Meter

As with so many of the posts here at The Weekly Pellet, I like to try and demystify things. One topic that seems to cause a lot of confusion, unless you are a meteorologist, is humidity and relative humidity and dew points.

Let’s spend a little time talking about these terms.

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Why do we Call it Nylon Anyway?

1939_Nylon_Detail_Vertical_630x846

Originally published March 2, 2016

Did you know that Parmesan cheese is trademarked and refers only to cheese produced in a specific region of Italy? It is illegal in Europe to call cheese produced outside 5 specific Italian provinces Parmesan. There has never been any Kobe beef sold in the United States. Kobe is a Japanese trademark and refers to beef specifically from Japan’s Hyogo Prefecture, even though every restaurant in Las Vegas serves it. How about Balsamic Vinegar? Oh, you get the idea.

We have a bad habit of ignoring these food trademarks in the United States although in recent years, the Champagne trademark seems to be respected a bit with all of the products not from Champagne France being called sparkling wine instead.

How about Nylon? A number of chemical companies all around the world call their product Nylon but what is Nylon? Is it a chemical name? No, the chemical name is polyamide. Why is all polyamide referred to as Nylon? Is this another violation of someone’s valuable trademark?

Actually the term nylon is not trademarked even though DuPont did coin the term. It’s an interesting story.

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