MECHANICAL-BEHAVIOR AND MORPHOLOGY OF TACTIC POLY(VINYL METHYL-ETHER)POLYSTYRENE BLENDS

Authors
BEAUCAGE G STEIN RS
Citation
G. Beaucage et Rs. Stein, MECHANICAL-BEHAVIOR AND MORPHOLOGY OF TACTIC POLY(VINYL METHYL-ETHER)POLYSTYRENE BLENDS, Polymer, 35(13), 1994, pp. 2716-2724
Citations number
47
Categorie Soggetti
Polymer Sciences
Journal title
Polymer → ACNP
ISSN journal
00323861
Volume
35
Issue
13
Year of publication
1994
Pages
2716 - 2724
Database
ISI
SICI code
0032-3861(1994)35:13<2716:MAMOTP>2.0.ZU;2-6
Abstract
The mechanical properties of tactic poly(vinyl methyl ether)/polystyre ne (PVME/PS) blends are investigated as a route to toughened polymers by using the lower critical solution temperature (LCST) behaviour as a mechanism for the production of rubbery domains. Crystallites in the tactic PVME-rich phase act as physical crosslinks. Shear bands as well as crazes are observed in these in situ composites due to interaction between a PS matrix plasticized with PVME and the PVME-rich rubbery d omains.