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Author Question: Discuss the relationship between melt index and molecular weight. What will be an ideal ... (Read 66 times)

lracut11

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on: Aug 19, 2018
Discuss the relationship between melt index and molecular weight.
 
  What will be an ideal response?

Question 2

What is a copolymer and how are copolymers formed?
 
  What will be an ideal response?


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Alyson.hiatt@yahoo.com

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Reply #1 on: Aug 19, 2018
Answer to Question 1

In general, as molecular weight increases, melt index will decrease. This is not always true from one polymer type to another, but is generally true within a particular polymer type. This relationship exists because the melt index measures the ease with which a polymer is melted. Melting is generally easier

Answer to Question 2

A copolymer is formed when more monomers are mixed together than are required for normal homopolymer formation. For addition polymerization this means that two different monomer types are required. For condensation polymerization three different monomer types are required. When these monomers are mixed, the resultant polymer has some of each of the monomers within it. These monomers can be arranged in four different patterns. The properties of the copolymer are normally intermediate between the properties of the homopolymers that would have been formed from pure, single-type monomers.


lracut11

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Reply 2 on: Aug 19, 2018
Great answer, keep it coming :)

Mochi

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Reply 3 on: Yesterday
Excellent

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