Abstract
Poly(p-phenylene sulfide) (PPS) is a high performance polymer that has superior chemical resistance and heat stability, but its brittleness is a serious drawback for applications. The objective of this work is to improve the physical properties of PPS by incorporating a small amount of either poly(ethylene-ran-methylacrylate–ran-glycidyl methacrylate) (EMA–GMA) or poly(ethylene-ran-glycidyl methacrylate)-graft-poly(methyl methacrylate) (EGMA-g-PMMA) by melt mixing under a high shear rate. It was demonstrated that the chemical reaction between PPS and EMA–GMA (or EGMA-g-PMMA) proceeded efficiently at the interface and that the domains of EMA–GMA (or EGMA-g-PMMA) were finely dispersed in the PSS matrix with size of ca 0.1–0.3 μm. The resultant copolymers formed at the interface contributed to a decrease in the interfacial tension and an increase in the interfacial adhesion so that the obtained PPS/EMA–GMA blends (or PPS/EGMA-g-PMMA blends) showed excellent mechanical properties, at the same time retaining high thermal stability.
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Financial supports were kindly provided by Grant-in-Aid for Scientific Research and the Frontier Project supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan.
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Oyama, H., Matsushita, M. & Furuta, M. High performance reactive blends composed of poly(p-phenylene sulfide) and ethylene copolymers. Polym J 43, 991–999 (2011). https://doi.org/10.1038/pj.2011.106
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DOI: https://doi.org/10.1038/pj.2011.106
