| PP/PC共混材料的力学性能和断裂力学 |
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| 引用本文： | 郭红革,盛京. PP/PC共混材料的力学性能和断裂力学[J]. 高分子材料科学与工程, 2007, 23(2): 174-178 |
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| 作者姓名： | 郭红革 盛京 |
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| 作者单位： | 青岛科技大学橡塑材料与工程教育部重点实验室,山东,青岛,266042;天津大学材料科学与工程学院,天津,300072 |
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| 基金项目： | 青岛科技大学博士科研启动基金资助 |
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| 摘 要： | 采用双螺杆挤出机制备了以PP-g-MAH和PP-g-GMA为增容剂、PF为增容助剂的一系列配方的PP/PC共混物,由注射机制样,通过力学性能对比了不同增容体系的增容效果。用J积分的方法表征了PP/PC共混物的断裂韧性。结果表明,PP-g-GMA增容效果优于PP-g-MAH,且PP/PP-g-GMA/PC/PF(70/10/20/1)共混物具有较好的综合力学性能。
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| 关 键 词： | 聚丙烯 聚碳酸酯 共混 力学性能 断裂韧性 J积分 |
| 文章编号： | 1000-7555（2007）02-0174-05 |
| 修稿时间： | 2006-01-10 |
Studies on Crystallization Behavior and Physical Properties of PP/PC Blends |
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| GUO Hong-ge,SHENG Jing. Studies on Crystallization Behavior and Physical Properties of PP/PC Blends[J]. Polymer Materials Science & Engineering, 2007, 23(2): 174-178 |
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| Authors: | GUO Hong-ge SHENG Jing |
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| Affiliation: | 1.Key Lab of Rubber-Plastics;Ministry of Education;Qingdao University ofScience and Technology;Qingdao 266042;China;2.School of MaterialsScience and Engineering;Tianjin University;Tianjin 300072;China |
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| Abstract: | A series of PP/PC blends using PP-g-MAH and PP-g-GMA as compatibilizer and PF as assistant compatibilizer were blended by twin-screw extruder.The samples were made by injection machine and the compatibility result of different compatibilizing system of PP/PC blends was compared by mechanical properties.J integral principle was used to characterized the fracture toughness of PP/PC blends.It appears that PP-g-GMA has better compatibility result than PP-g-MAH and the blend of PP/PP-g-GMA/PC/PF(70/10/20/1)show ... |
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| Keywords: | PP PC blend mechanical properties fracture toughness J integral principle |
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