Effects of domain and molecular orientations on the mechanical properties of a styrene-butadiene block polymer
- 1 April 1980
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part B
- Vol. 17 (3) , 407-425
- https://doi.org/10.1080/00222348008212821
Abstract
A 70 : 30 styrene-butadiene block polymer with lamellar morphology was formed into sheets with either lamellar orientation only or with both lamellar and molecular orientation. Lamellar orientation led to the expected anisotropy in modulus and strength properties. Molecular alignment within the polystyrene lamellae greatly enhanced tensile strength in the direction of orientation and resulted in significant increases in puncture impact strength.Keywords
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