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首页> 外文会议>International Symposium on Eco-Materials Processing amp; Design; 20060108-11; Chengdu(CN) >Effect of Compatibilizers on the Properties of Nano-hydroxyapatite Reinforced Polyamide 66 and High Density Polyethylene Blends
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Effect of Compatibilizers on the Properties of Nano-hydroxyapatite Reinforced Polyamide 66 and High Density Polyethylene Blends

机译：相容剂对纳米羟基磷灰石增强聚酰胺66和高密度聚乙烯共混物性能的影响

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摘要

The compatibility efficiency on different compatibilizer for nano-hydroxyapatite (n-HA) reinforced polyamide 66 (PA66) and high density polyethylene (HDPE) blends at a composition of 40/42/18 as functionalized biomaterial was investigated by mechanical properties testing and scanning electron microscopy (SEM). The results showed that mechanical properties of compatibilized blends were much improved by the compatibilizers of maleic anhydride grafted polyethylene (PE-g-MAH) and ethylene/methacrylic acid ionomer-sodium ion (ION) compared with the uncompatibilized blends. Blends had peak mechanical values of different compatibilizer. Both PE-g and ION formed adhesion during melt mixing and stabilized the morphology and significantly reduced the size of dispersed PE phase. PE-g gave the blends with PE spheres ranging from 1 to 4μm and ION with well-dispersed spheres with an average diameter of 1 μm. The more enlarged interphase of the blends containing ION reduced the lower interfacial energy to increase the miscibiliy of the blends. Consequently, ION had better contribution to rigidity properties than PE-g for n-HA/PA/PE blends.
机译：通过机械性能测试和扫描电子研究了40/42/18组成的纳米羟基磷灰石（n-HA）增强聚酰胺66（PA66）和高密度聚乙烯（HDPE）共混物在不同增容剂中的相容性效率显微镜（SEM）。结果表明，与不相容的共混物相比，马来酸酐接枝的聚乙烯（PE-g-MAH）和乙烯/甲基丙烯酸离聚物-钠离子（ION）的增容剂大大改善了相容性共混物的机械性能。共混物具有不同增容剂的峰值机械值。 PE-g和ION在熔体混合过程中均形成粘附力，并稳定了形态并显着减小了分散PE相的尺寸。 PE-g制成的混合物的PE球的粒径范围为1-4μm，而ION则具有均匀分散的球，平均直径为1μm。含ION的共混物之间的界面扩大得越多，界面能越低，从而增加了共混物的混溶性。因此，对于n-HA / PA / PE共混物，ION的刚性比PE-g更好。

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