(a) A sample of linear polyethylene is dissolved in a large excess of xylene at 130 C, and dilute solution is then slowly cooled. After a while, a fine white suspension is obtained. What does this suspension consist of? (b) If the suspension is filtered and dried, then heated to 170C, and cooled slowly to room temperature, a different type of structure is obtained. Compare and contrast the two different structures.

(a) A sample of linear polyethylene is dissolved in a large excess of xylene at 130 C, and dilute solution is then slowly cooled. After a while, a fine white suspension is obtained. What does this suspension consist of? (b) If the suspension is filtered and dried, then heated to 170C, and cooled slowly to room temperature, a different type of structure is obtained. Compare and contrast the two different structures.

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter50: Preparation And Properties Of Polymers: Polyester, Nylon, And Polystyrene

Section: Chapter Questions

Problem 4Q

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