Reinforcement of Natural Rubber with Core-Shell Structure Silica-PolyMethyl Methacrylate NanoparticlesReport as inadecuate

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Journal of NanomaterialsVolume 2012 2012, Article ID 782986, 9 pages

Research Article

State Engineering and Technology Research Center for Key Tropical Crops, Haikou 571101, China

Chinese Agricultural Ministry Key Laboratory of Tropical Crop Product Processing, Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524001, China

Centre for Material and Fiber Innovation, Institute for Technology Research Innovation, Deakin University, Geelong, VIC 3217, Australia

Received 18 March 2011; Revised 10 June 2011; Accepted 18 June 2011

Academic Editor: Aruna Ar Nanda

Copyright © 2012 Qinghuang Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A highly performing natural rubber-silica NR-SiO2 nanocomposite with a SiO2 loading of 2 wt% was prepared by combining similar dissolve mutually theory with latex compounding techniques. Before polymerization, double bonds were introduced onto the surface of the SiO2 particles with the silane-coupling agent. The core-shell structure silica-polymethyl methacrylate, SiO2-PMMA, nanoparticles were formed by grafting polymerization of MMA on the surface of the modified SiO2 particles via in situ emulsion, and then NR-SiO2 nanocomposite was prepared by blending SiO2-PMMA and PMMA-modified NR NR-PMMA. The Fourier transform infrared spectroscopy results show that PMMA has been successfully introduced onto the surface of SiO2, which can be well dispersed in NR matrix and present good interfacial adhesion with NR phase. Compared with those of pure NR, the thermal resistance and tensile properties of NR-SiO2 nanocomposite are significantly improved.

Author: Qinghuang Wang, Yongyue Luo, Chunfang Feng, Zhifeng Yi, Quanfang Qiu, L. X. Kong, and Zheng Peng



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