Exploring the: Know-How - Materials Zone



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When It Comes to Nylon, Don’t Do the Math
Chemistry is seldom as simple as it looks. Polymer chemistry takes the complexity up a notch. Nylon chemistry is about much more than doing the math.
Columns Published: 6/26/2012
Density & Molecular Weight in Polyethylene
This so-called 'commodity' material is actually quite complex, making selecting of the right type a challenge.
Columns Published: 5/29/2012
Biopolymers: Time to Take A Deep Breath
Are we looking at all of the implications associated with developing this new 'crop' of polymers?
Columns Published: 4/26/2012
Working with Color Concentrates
Industry needs more development of enhanced-mixing screws.
Columns Published: 3/26/2012
Working with Color Concentrates
Perhaps the greatest difficulty involving the use of color concentrates is specifying them appropriately for the material to which they are being added.
Columns Published: 2/21/2012
Working with Color Concentrates
Because the consumer sees so many colored plastic articles, it is natural to assume that the process of achieving molded-in color is a simple one. Those of us in the industry know differently.
Columns Published: 1/28/2012
Low-Cost Processing, Long-Term Problems
You can't cut your way to prosperity.
Columns Published: 12/27/2011
The Importance of Melt & Mold Temperature
Molders should realize how significantly process conditions can influence the final properties of the part.
Columns Published: 11/28/2011
The Effects of Stress
Previously we have discussed the effects of temperature and time on the long-term behavior of polymers. Now let's take a look at stress.
Columns Published: 10/25/2011
The Strain Rate Effect
The rate of loading for a plastic material is a key component of how we perceive its performance.
Columns Published: 9/30/2011

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