以废弃贻贝壳为原料,经去除角质层、粉碎、研磨、剪切乳化得到生物填料,然后对聚丙烯(PP)进行充填.研究分析了生物填料的物相组成、微观形貌、热稳定性和对其PP充填力学性能的影响.实验结果表明,制备的生物填料主要成分为文石碳酸钙,成片状,粒径大小约为40～500 nm,有机物含量约为2.04wt％,热稳定性良好.生物填料(YBCC)对PP具有增强效果.当填充比例为3wt％时,PP/(YBCC)复合材料屈服强度比PP提高了约11.1％；对PP亦具有异相成核的作用,可诱导形成β晶.利用废弃物贻贝壳为原料生产的生物填料填充PP可降低材料成本,提高力学性能和结晶性能,具有广阔的应用前景.
参考文献
| [1] | 高长云,齐军.聚丙烯/纳米碳酸钙复合材料性能的研究.橡塑技术与装备,2010,36(12):1-5. |
| [2] | 周淑芬,杨其,朱红,等.填料对PP结晶行为的影响.塑料科技,2008,21(3):46-50. |
| [3] | 周红波,王苓,王正有.纳米碳酸钙改性弹性体/聚丙烯的研究进展.四川化工,2011,14(1):18-20. |
| [4] | Chan C M,Wu J,Li J X,et al.Polypropylene/calcium carbonate nanocomposites.Polymer,2002,43(10):2981-2992. |
| [5] | Zhang Q X,Yu Z Z,Xie X L,et al.Crystallization and impact energy of polypropylene/CaCO3 nanocomposites with nonionic modifier.Polymer,2004,45(17):5985-5994. |
| [6] | Liang J Z.Evaluation of dispersion of nano-CaCO3 particles in polypropylene matrix based on fractal method.Composites Part A:Applied Science and Manufacturing,2007,38(6):1502-1506. |
| [7] | Lin Y,Chen H,Chan C M,et al.The toughening mechanism of polypropylene/calcium carbonate nanocomposites.Polymer,2010,51(14):3277-3284. |
| [8] | Jipa S,Zaharescu T,Supaphol P.Thermal stability of isotactic polypropylene modified with calcium carbonate nanoparticles.Polymer Bulletin,2010,64(8):783-790. |
| [9] | Huang H,Han B,Wang L,et al.Crystallization kinetics of polypropylene composites filled with nano calcium carbonate modified with maleic anhydride.Journal of Applied Polymer Science,2011,119(3):1516-1527. |
| [10] | Etelaaho P,Haveri S,Jarvela P.Comparison of the morphology and mcchanical properties of unmodified and surface-modified nanosized calcium carbonate in a polypropylene matrix.Polymer Composites,2011,32(3):464-471. |
| [11] | Jackson A P,Vincent J,Turner R M.The mechanical design of nacre.Proceedings of the Royal Society of London.Series B:Biological Sciences,1988,234(1277):415-440. |
| [12] | Katti K S,Katti D R.Why is nacre so tough and strong.Materials Science and Engineering C,2006,26(8):1317-1324. |
| [13] | Barthelat F,Li C M,Comi C,et al.Mechanical properties of nacre constituents and their impact on mechanical performance.Journal of Materials Research,2006,21(8):1977-1986. |
| [14] | Chen P Y,Lin A,Lin Y S,et al.Structure and mechanical properties of selected biological materials.Journal of the Mechanical Behavior of Biomedical Materials,2008,1(3):208-226. |
| [15] | 黄玉松,郑威,辛培训,等.贝壳珍珠层结构仿生复合材料研究.工程塑料应用,2008,36(10):21-25. |
| [16] | Jacob D E,Soldati A L,Wirth R,et al.Nanostructure,composition and mechanisms of bivalve shell growth.Geochimica et Cosmochimica Acta,2008,72(22):5401-5415. |
| [17] | 陈忱,赵杰,梁艳,等.鲍鱼壳的结构和力学性能.材料导报:纳米与新材料专辑,2009,23(14):457-459. |
| [18] | WU Xiao-Jing,YANG Da-Yu,LI Fang-Hua.Microstructure of Pearls and Pearl Shells.Journal of Inorganic Materials,1990,5(3):272-277. |
| [19] | 夏静芬,钱国英,陈亮,等.傅里叶变换红外光谱法对珍珠粉和贝壳粉的研究.光谱实验室,2010,27(2):524-528. |
| [20] | 陶靖,徐怡庄,翁诗甫,等.珍珠和贝壳珍珠层的傅里叶变换红外光谱研究.光谱学与光谱分析,1998,18(3):307-310. |
| [21] | Balmain J,Hannoyer B,Lopez E.Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction analyses of mineral and organic matrix during heating of mother of pearl (nacre) from the shell of the mollusc Pinctada maxima.Journal of Biomedical Materials Research,1999,48(5):749-754. |
| [22] | Engin B,Demirtas H,Eken M.Temperature effects on egg shells investigated by XRD,IR and ESR techniques.Radiation Physics and Chemistry,2006,75(2):268-277. |
| [23] | Ren F,Wan X,Liu P,et al.Microstructure and infra-red spectra analysis of mussel shell.Journal of Henan University of Science & Technology (Natural Science),2007,28(1):1-5. |
| [24] | 王旭,黄锐,金春洪,等.PP/弹性体/纳米CaCO3复合材料的研究.中国塑料,2000,14(6):34-38. |
| [25] | YANG Jin-Xin,WEN Xiu-Faug,PI Pi-Hui,et al.Study on morphology and hydrophobicity of CaCO3/SiO2 composite surface coating.Journal of Inorganic Materials,2009,24(1):91-96. |
| [26] | Meng M R,Dou Q.Effect of filler treatment on crystallization,morphology and mechanical properties of polypropylene/calcium carbonate composites.Journal of Macromolecular Science,Part B-Physics,2009,48(2):213-225. |
| [27] | Kotek J,Kelnar I,Baldrian J,et al.Tensile behaviour of isotactic polypropylene modified by specific nucleation and active fillers.European Polymer Journal,2004,40(4):679-684. |
| [28] | 许林利,许凯,朱林华,等.分子量对β-PP/纳米CaCO3复合物冲击强度的影响.高分子材料科学与工程,2010,26(1):58-61. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%