@article{xu_li_chen_zhang_2014,  title={Improving the mechanical properties of polyamide 6-nanosilica nanocomposites by combining masterbatch technique with in situ polymerization},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20140099},  DOI={10.5935/0103-5053.20140099},  number={7},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Xu, Qijie and Li, Xiaohong and Chen, Fangfei and Zhang, Zhijun},  year={2014},  month={Jul},  pages={1218–1225} }