以2,2'-亚甲基-双-(4,6-二叔丁基苯基)磷酸钠(NA-11)和双环[2,2,1]-庚烷-2,3-二羧酸钠(NA-CA)2种成核剂进行复配,研究复配成核剂对等规聚丙烯(iPP)力学性能和结晶行为的影响.采用双螺杆挤出机为共混设备将成核剂与iPP共混,制备了NA-11/NA-CA/iPP复合材料.通过万能材料实验机、XRD、DSC、偏光显微镜(PLM)对其力学性能、结晶形态、微观结构进行了表征.结果表明:NA-11和NA-CA 2种成核剂复配能够显著提高iPP的拉伸性能和弯曲性能.NA-11和NA-CA复配成核剂诱导iPP形成α晶体.2种成核剂1∶1复配,添加量为0.4wt％时,iPP的结晶峰温度提高了20.3℃,结晶度提高了8.8％.PLM显示,NA-11和NA-CA复配成核剂使iPP球晶尺寸明显变小.NA-11和NA-CA复配成核剂具有很好的成核效果,这2种成核剂对改善聚丙烯的结晶性能和力学性能具有协同效应.
参考文献
| [1] | Raj Kumar;J.S. Dhaliwal;G.S. Kapur.Mechanical Properties of Modified Biofiller-Polypropylene Composites[J].Polymer Composites,20144(4):708-714. |
| [2] | N.Fanegas;M.A.Gomez;C.Marco.Influence of a nucleating agent on the crystallization behaviour of isotactic polypropylene and elastomer blends[J].Polymer: The International Journal for the Science and Technology of Polymers,200718(18):5324-5331. |
| [3] | Long, Lijuan;He, Wentao;Zhang, Minmin;Zhang, Kai;Qin, Shuhao;Yu, Jie.Nucleation Effects of Sodium and Ammonium Salts of 2,2 '-methylene-bis-(4,6-di-t-butylphenylene)phosphate in Isotactic Polypropylene[J].Polymer engineering and science,20151(1):22-28. |
| [4] | Zhang, Y.-F.;Chang, Y.;Li, X.;Xie, D..Nucleation effects of a novel nucleating agent bicyclic [2,2,1] heptane di-carboxylate in isotactic polypropylene[J].Journal of Macromolecular Science. Physics,20111/3(1/3):266-274. |
| [5] | 张跃飞;罗贤祖;常瑶;张珂珂;吴其文;李江胜;卢翠红.二环[2.2.1]庚烷二羧酸盐成核剂对聚丙烯结晶行为和力学性能的影响[J].塑料工业,2013(3):76-78. |
| [6] | 吴浩;徐日炜;曹宏伟;余鼎声;吴一弦.二环[2.2.1]庚烷二羧酸盐对聚丙烯的成核效果[J].北京化工大学学报（自然科学版）,2008(1):62-65. |
| [7] | Xun Li;Yue-fei Zhang;Dan Xie.Effects of Bicyclic [2,2,1] Heptane Di-carboxylate on Properties, Crystallization, and Melting Behaviors of Isotactic Polypropylene[J].International Journal of Polymer Analysis and Characterization,20097/8(7/8):569-574. |
| [8] | Zhao, S.;Xin, Z.;Zhang, J.;Han, T..Combined effect of organic phosphate sodium and nanoclay on the mechanical properties and crystallization behavior of isotactic polypropylene[J].Journal of Applied Polymer Science,20121(1):617-626. |
| [9] | 李春;辛忠;冯柄楠.有机磷酸铝-羧酸钠复合成核剂对聚丙烯改性的协同效应[J].石油化工,2008(2):149-152. |
| [10] | Wang, S.;Zhang, J..Effect of nucleating agent on the crystallization behavior, crystal form and solar reflectance of polypropylene[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2013:577-584. |
| [11] | Zhiping Lv;Yunfei Yang;Ran Wu;Yuchao Tong.Design and properties of a novel nucleating agent for isotactic polypropylene[J].Materials & design,2012May(May):73-78. |
| [12] | Zhao YH.;Sheng J.;Wang YQ..Nonisothermal crystallization behavior of poly (butylene terephthalate)-poly (ethylene terephthalate-co-isophthalate-co-sebacate) segmented copolyesters[J].Journal of Applied Polymer Science,20038(8):1232-1238. |
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