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Mechanical properties of poly(vinyl chloride) blends and corresponding graft copolymers
Author(s) -
Lee WenFu,
Lai ChungChing
Publication year - 1998
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19980110)67:2<307::aid-app13>3.0.co;2-v
Subject(s) - copolymer , vinyl chloride , materials science , glycidyl methacrylate , ultimate tensile strength , polymer chemistry , polyvinyl chloride , methacrylate , polymer blend , composite material , polymer
The mechanical properties of the poly (vinyl chloride) (PVC) and poly (glycidyl methacrylate) [poly (GMA)] blend system and the PVC and poly (hydroxyethyl methacrylate) [poly (HEMA)] blend system and their crosslinked films were investigated. At the same time, the mechanical properties for the corresponding graft copolymers such as PVC‐ g ‐GMA, PVC‐ g ‐HEMA, and their crosslinked films were also investigated in this study. The results showed that the tensile strengths for PVC–poly (GMA) blend systems were higher than those for PVC‐ g ‐GMA graft copolymer, and the tensile strengths for PVC‐ g ‐HEMA were higher than those for PVC‐poly (HEMA) blend systems. However, the mechanical properties for the PVC–poly (GMA) blend system were not affected by the crosslinking of the blend system, but those for PVC‐poly (HEMA) and their graft copolymers decreased with an increase of the equivalent ratio ([NCO]/[OH]) of the crosslinker. Finally, the surface hydrophilicity of the PVC‐ g ‐HEMA graft copolymer and PVC‐poly (HEMA) blends were also assessed through measuring the contact angle. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 67: 307–319, 1998

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