Characteristics and Applications of Polymers - Factors That influence the Mechanical Properties of Semicrystalline Polymers
9 important questions on Characteristics and Applications of Polymers - Factors That influence the Mechanical Properties of Semicrystalline Polymers
What processing/structural factors influence the mechanical behavior of polymers?
For some semicrystalline polymers the molecular weight seems to influence the tensile strength TS, how is this computed?
Where:
TSinf is the tensile strength at infinite molecular weight
A is a constant
Mn is the number-average molecular weight.
What does the tensile modulus do when the crystallinity of a semicrystalline material increases and why?
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How does the crystallinity influence the polymer properties?
What is one of the most important commercial techniques to enhance polymer properties?
What are properties of drawn semicrystalline materials?
How will the tensile strength of a drawn material develop?
What is an other term for the heat-treating of semicrystalline polymers?
What happens when you increase the annealing temperature?
2. An increase in yield strength
3. A reduction in ductility
Which are opposite to what happens with metals.
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