Inorganic Particles Contribute to the Compatibility of Polycarbonate/Polystyrene Polymer Blends

被引:2
|
作者
Takayama, Tetsuo [1 ]
机构
[1] Yamagata Univ, Grad Sch Organ Mat Sci, Yonezawa 9928510, Japan
关键词
mechanical properties; polycarbonate; polymer blends; injection molding; compatibilizer; MORPHOLOGY; ENERGY;
D O I
10.3390/ma16041536
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Polycarbonate (PC), an engineering plastic, has excellent mechanical strength and toughness. Moreover, this transparent polymer material can be used in fields where materials require mechanical properties and transparency. Nevertheless, PC is known to have a high melt viscosity. Moreover, blending with polystyrene (PS), an inherently brittle material, has been used to adjust its melt viscosity. As a result, the PS makes PC/PS polymer blends more brittle than PC alone. As described herein, after attempting to achieve compatibility with inorganic particles, the results show that the dispersion of small amounts of inorganic clay and silica particles in PC/PS polymer blends maintained transparency while improving the impact strength to a level comparable to that of polycarbonate. Apparently, the inorganic particles promote the fine dispersion of PS. Moreover, the spherical morphology of the inorganic particles is more effective at compatibilizing the polymer blend because the inorganic particles can apply isotropic interaction forces.
引用
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页数:16
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