Question: 7. What is Melt Flow Index ? 8. Write the 3 different types of additive manufacturing methods in polymer processing. 9.Additives are used in many

 7. What is Melt Flow Index ? 8. Write the 3

7. What is Melt Flow Index ? 8. Write the 3 different types of additive manufacturing methods in polymer processing. 9.Additives are used in many starting materials. List any two additives used in polymer processing and write their functions. 10. A polyethylene polymer sample is analyzed and the data is shown in the table below. (a) Plot a histogram of number fraction as function of molecular weight and find the number average molecular weight. (b) Plot a histogram of weight fraction as function of molecular weight and find the weight average molecular weight. (c) Comment on the differences between the two distributions. (d) Find the number average degree of polymerization and the weight average degree of polymerization. (Check the example posted on Canvas Modules)

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