相容剂PP-g-MAH对PP/PA12形貌及性能影响  

Effect of Compatilizer PP-g-MAH on the Morphology and Properties of PP/PA12 System

作　　者：吴香发[1,2] 伍洋[2] 牛锋 

机构地区：[1]慈溪市洁达纳米复合材料有限公司,浙江慈溪315303 [2]中国科学院宁波材料技术与工程研究所,浙江宁波315201

出　　处：《现代塑料加工应用》2009年第6期53-55,共3页Modern Plastics Processing and Applications

摘　　要：采用熔融共混制备了不同相容剂马来酸酐接枝聚丙烯(PP-g-MAH)含量的聚丙烯(PP)/PP-g-MAH/聚酰胺12(PA12)共混体系,通过对体系的平衡扭矩、差式扫描量热法(DSC)、扫描电子显微镜(SEM)及力学性能等测试,分析了共混体系中相容剂PP-g-MAH对PP/PA12形貌及性能的影响。结果表明,PP-g-MAH能改善PP/PA12的界面相容性,PA12能更好地分散在PP基体中,最佳相容剂添加质量分数为12%,此时,杨氏模量比未添加相容剂时提高了60.7%,断裂伸长率提高了79.9%,冲击强度提高了345.2%。Blend compositions PP/PP-g-MAH/PA12 were prepared by melt-blending with different contents of compatilizer. Effect of compatilizer on the morphology and properties of PP/PA12 system was analyzed and characterized by equivalent torque, DSC, SEM and mechanical properties. The results show that the interracial miscibility of the blends with 12% PP-g-MAH is improved by PP-g-MAH. The Young＇s modulus has a increase of 60. 7%, the elongation at break has a increase of 79.9 %, Notched charpy impact strength has a increase of 345.2%.

关 键 词：聚丙烯 聚酰胺12 相容剂 马来酸酐接枝聚丙烯 熔融共混 形貌 性能 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业] TS102.5[轻工技术与工程—纺织工程]