A polyethylene is made of the following fractional distribut
Question and Solution
A polyethylene is made of the following fractional distribution. Wi 0.10 0.20 0.30 0.30 0.10 Mi (kg/mol) 10 20 30 40 50
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A polyethylene is made of the following fractional distribution. Wi 0.10 0.20 0.30 0.30 0.10 Mi (kg/mol) 10 20 30 40 50 a. Calculate Mw. b. Calculate Mn . c. Can you make a suture from this polymer? d. What is the best way of making this polymer: free radical, step reaction, or ionic polymerization? e. Would the polymer become crystalline, noncrystalline, or semicrystalline when cooled from melt? f. What effect will the branching of chains have on the density of the polymer? Would it increase, decrease, or remain the same?
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