Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 15 - Characteristics, Applications, and Processing of Polymers - Questions and Problems - Page 630: 15.14b

Answer

Tensile modulus increases with increasing degree of crystallinity for semicrystalline polymers. This is because of the enhanced secondary interchain bonding which results from adjacent aligned chain segments as percent crystallinity increases. This enhanced interchain bonding inhibits relative interchain motion.

Work Step by Step

Tensile modulus increases with increasing degree of crystallinity for semicrystalline polymers. This is because of the enhanced secondary interchain bonding which results from adjacent aligned chain segments as percent crystallinity increases. This enhanced interchain bonding inhibits relative interchain motion.
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