TERNARY BLENDS OF EPOXY, RUBBER AND POLYCARBONATE - PHASE-BEHAVIOR, MECHANICAL-PROPERTIES AND CHEMICAL INTERACTIONS

Authors
JAYLE L BUCKNALL CB PARTRIDGE IK HAY JN FERNYHOUGH A NOZUE I
Citation
L. Jayle et al., TERNARY BLENDS OF EPOXY, RUBBER AND POLYCARBONATE - PHASE-BEHAVIOR, MECHANICAL-PROPERTIES AND CHEMICAL INTERACTIONS, Polymer, 37(10), 1996, pp. 1897-1905
Citations number
31
Categorie Soggetti
Polymer Sciences
Journal title
Polymer → ACNP
ISSN journal
00323861
Volume
37
Issue
10
Year of publication
1996
Pages
1897 - 1905
Database
ISI
SICI code
0032-3861(1996)37:10<1897:TBOERA>2.0.ZU;2-C
Abstract
A ductile thermoplastic, polycarbonate, has been blended with the digl ycidyl ether of bisphenol A (DGEBA) epoxy resin to increase the 'tough enability' of the resin. Cured epoxy-polycarbonate systems showed no i ncrease in fracture toughness relative to the neat epoxy resin. The bi nary blends were miscible, single-phase systems. Addition of rubber to both the epoxy and the epoxy-polycarbonate blends leads to significan t improvements in the critical strain energy release rate, G(IC), of t he cured resin. The presence of the polycarbonate produced no addition al improvement in G(IC) relative to rubber toughening alone. This is a scribed to a degradation reaction of the polycarbonate occurring durin g blending. The chemical nature of this reaction is discussed. Copyrig ht (C) 1996 Elsevier Science Ltd.