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首页> 外文期刊>Journal of materials science >Preparation and mechanical property of poly(s-caprolactone)- matrix composites containing nano-apatite fillers modified by silane coupling agents
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Preparation and mechanical property of poly(s-caprolactone)- matrix composites containing nano-apatite fillers modified by silane coupling agents

机译：硅烷偶联剂改性的纳米磷灰石填料聚（s-己内酯）-基复合材料的制备及力学性能

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摘要

This study aims to improve the tensile strength and elastic modulus of nano-apatite/poly(e-caprolactone) composites by silane-modification of the nano-apatite fillers. Three silane coupling agents were used to modify the surfaces of nano-apatite particles and composites of silan-ized apatite and PCL were prepared by a technique incorporating solvent dispersion, melting-blend and hot-pressing. The results showed that the silane coupling agents successfully modified the surfaces of nano-apatite fillers, and the crystallization temperatures of the silanized apatite/PCL composites were the higher than that of the non-silanized control material, although the melting temperature of the composites remained almost unaffected by silanization. The ultimate tensile strength and elastic modulus of the silanized composites reached 22.60 MPa and 1.76 GPa, as a result of the improved interfacial bonding and uniform dispersion of nano-apatite fillers. This study shows that the processing technique and silanization of nano-apatite particles can effectively improve the tensile strength and elastic modulus of nano-apatite/PCL composites.
机译：这项研究旨在通过对纳米磷灰石填料进行硅烷改性，提高纳米磷灰石/聚（ε-己内酯）复合材料的拉伸强度和弹性模量。使用三种硅烷偶联剂对纳米磷灰石颗粒的表面进行改性，并通过结合溶剂分散，熔融共混和热压的技术制备了硅烷化磷灰石和PCL的复合材料。结果表明，硅烷偶联剂成功地修饰了纳米磷灰石填料的表面，尽管保持了熔化温度，但硅烷化磷灰石/ PCL复合材料的结晶温度比未硅烷化的控制材料要高。几乎不受硅烷化的影响。硅烷化复合材料的极限拉伸强度和弹性模量达到22.60 MPa和1.76 GPa，这归因于纳米磷灰石填料界面键的改善和均匀分散。这项研究表明，纳米磷灰石颗粒的加工技术和硅烷化可以有效提高纳米磷灰石/ PCL复合材料的拉伸强度和弹性模量。

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  • 来源
    《Journal of materials science》 |2010年第12期|p.3059-3064|共6页
  • 作者

    C. Deng; J. Weng; K. Duan; N. Yao; X. B. Yang; S. B. Zhou; X. Lu; S. X. Qu; J. X. Wan; B. Feng; X. H. Li;

  • 作者单位

    Institute of Silicon Materials, Leshan Teachers College, Leshan 614004, China ,School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

    School of Materials Science and Engineering, Key Lab of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, No 111 Beiyi Duan, Er'huan Road, Chengdu 610031, Sichuan, China;

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