Reactive Compatibilization and Elastomer Toughening of Poly(2,6-dimethyl-1,4-phenylene oxide)/Polyamide 6 Blends

被引：5
|
作者：
Li, Bo [1 ]
Wan, Chaoying [1 ]
Zhang, Yong [1 ]
Ji, Jiliang [2 ]
Su, Yu [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Shanghai Kingfa Sci & Tech Co Ltd, Shanghai 201714, Peoples R China
来源：
POLYMERS & POLYMER COMPOSITES | 2010年 / 18卷 / 04期
关键词：
IMPACT FRACTURE PARAMETERS; MECHANICAL-PROPERTIES; POLYMER BLENDS; ETHER) PPE; POLYAMIDE-6; PA6; OXIDE) PPO; MORPHOLOGY; BEHAVIOR;
D O I：
10.1177/096739111001800406
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Poly(2,6-dimethyl-1,4-phenylene oxide)/polyamide 6 (PPO/PA6) blends were reactively compatibilized by maleic anhydride (MA) grafted PPO (PPO-g-MA) and toughened by MA grafted styrene-ethylene-butadiene-styrene block copolymer (SEBS) (SEBS-g-MA) via melt extrusion. The compatibilizing effect of PPO-g-MA on the PPO/PA6 blends was studied by using scanning electronic microscopy, differential scanning calorimetry and mechanical properties tests. The notched impact strength of PPO-g-MA/PPO/PA6/SEBS-g-MA blends increased with increasing SEBS-g-MA content, leading to blends having super-tough behaviour. The fracture behaviour of the PPO/PA6 blends was studied using a modified essential work of fracture model (EWF), which showed that plastic deformation related to SEBS-g-MA was the crucial factor for the toughening.
引用
收藏
页码：219 / 226
页数：8
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