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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical properties of poly(vinyl chloride) blends and corresponding graft copolymers
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Mechanical properties of poly(vinyl chloride) blends and corresponding graft copolymers

机译：聚氯乙烯共混物和相应的接枝共聚物的机械性能

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摘要

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. (C) 1998 John Wiley & Sons, Inc. [References: 24]
机译：研究了聚氯乙烯（PVC）和聚甲基丙烯酸缩水甘油酯[聚（GMA）]共混体系以及聚氯乙烯和聚甲基丙烯酸羟乙酯[聚（HEMA）]共混体系的机械性能及其交联膜。同时，本研究还研究了相应接枝共聚物（如PVC-g-GMA，PVC-g-HEMA及其交联膜）的机械性能。结果表明，PVC-poly（GMA）共混体系的抗张强度高于PVC-g-GMA接枝共聚物，而PVC-g-HEMA的抗张强度高于PVC-g（HEMA）混合系统。但是，PVC-聚（GMA）共混体系的机械性能不受共混体系的交联的影响，但是聚氯乙烯-聚（HEMA）及其接枝共聚物的机械性能随当量比的增加而降低（[NCO ] / [OH]）。最后，还通过测量接触角来评估PVC-g-HEMA接枝共聚物和PVC-聚（HEMA）共混物的表面亲水性。 （C）1998 John Wiley＆Sons，Inc. [参考：24]

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