Question

Which one is more likely to form extensive crystalline regions, isotactic or syndiotactic? Explain your answer.

Answer 1

while comparing 3 type polymers atatactic polymers have very low degree of crystallinity because of it's irregular order.

isotatic and syntiotatic polymers so it can pack into crystal. The degree of crystallinity mainly depends on it's structure.

when a polymer have small side chain isotactic will be more likely to form extensive crystalline regions.

at the same time polymer have bulky (Phenyl group) side chain syndiotactic will be more likely to form extensive crystalline regions.