PLLA- Fe3O4 Nanocomposites

被引：0
|
作者：
Albano, Carmen [1 ,2 ]
Gonzalez, Gema [3 ]
Naranjo, Claudio [1 ]
机构：
[1] IVIC, Ctr Quim, Lab Polimeros, Caracas 1020A, Venezuela
[2] UCV, Escuela Ingn Quim, Fac Ingn, Caracas 1041A, Venezuela
[3] Inst Venezolano Invest Cient, Ctr Ingn Mat, Caracas 1020A, Venezuela
来源：
6TH INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES | 2012年 / 1459卷
关键词：
SUPERPARAMAGNETIC NANOPARTICLES;
D O I：
暂无
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In the present work magnetite nanoparticules and PLLA- Fe3O4 nanocomposites were prepared by high frequency ultrasound. The influence of pH on nanoparticle size was studied, showing that the particle size decreased as the pH increased. In the composites an interaction between the magnetite nanoparticles and the PLLA matrix was observed by FTIR. Magnetic properties were studied using a VSM, and a superparamegnetic behavior was observed for magnetite nanoparticles, but for the composite a magnetic attenuation was observed due to the polymeric matrix.
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页码：238 / 240
页数：3
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