用熔融共混法制备了PP/T-ZnOw和PP/K2Ti4O9两种复合材料,通过差示扫描量热(DSC)测试和偏光显微镜(POM)观察研究了不同含量的PP/T-ZnOw和PP/K2Ti4O9复合材料的结晶行为,并对其进行了对比.结果表明,TZnOw对聚丙烯(PP)没有异相成核作用,K2Ti4O9晶须有明显的并相成核作用,T-ZnOw的加入使得PP的结晶温度Tc和熔融温度Tm向低温方向偏移,而K2Ti4O9却仅使PP的Tc向高温方向偏移.两种晶须都没有诱导PP产生新的晶型.力学性能测试表明低含量下,两种晶须对PP都有增强增韧作用,但效果各不相同.
参考文献
| [1] | 陶然,李尉,刘正英,杨鸣波.纳米CaCO3分散状态对PP/CaCO3复合材料结晶的影响[J].高分子材料科学与工程,2008(03):94-97. |
| [2] | Qing-Xin Zhang;Jian-Bin Song;Shu-Yun Wang;Zhi-Shen Mo .Effects of polyoxyethylene nonylphenol on dynamic mechanical properties and crystallization of polypropylene[J].Polymer: The International Journal for the Science and Technology of Polymers,2005(25):11820-11828. |
| [3] | Kristiansen PM;Gress A;Smith P;Hanft D;Schmidt HW .Phase behavior, nucleation and optical properties of the binary system isotactic polypropylene/N,N ',N ''-tris-isopentyl-1,3,5-benzene-tricarboxamide[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(1):249-253. |
| [4] | Yiqun Liu;Marianna Kontopoulou .The structure and physical properties of polypropylene and thermoplastic olefin nanocomposites containing nanosilica[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(22):7731-7739. |
| [5] | 周祚万,楚珑晟,唐明文,顾利霞.ZnO晶须增强树脂基复合材料研究[J].高分子材料科学与工程,2004(03):202-205. |
| [6] | Na B;Wang K;Zhang Q;Du RN;Fu Q .Tensile properties in the oriented blends of high-density polyethylene and isotactic polypropylene obtained by dynamic packing injection molding[J].Polymer: The International Journal for the Science and Technology of Polymers,2005(9):3190-3198. |
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