Issue 42, 2017
From the journal:

RSC Advances

Effect of acetone extract from natural rubber on the structure and interface interaction in NR/CB composites

Tiwen Xu,a   Zhixin Jia, ORCID logo *a   Lianghui Wu,a   Yongjun Chen,a   Yuanfang Luo,a   Demin Jiaa  and  Zheng Pengb  

* Corresponding authors

a College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
E-mail: 18620901980m@sina.cn
Tel: +86 20 87114857

b Agricultural Product Processing Research Institute, Chinese Academy of Tropical Agriculture Sciences, Zhanjiang 524001, China

Abstract

The influences of acetone extract (AE) from natural rubber on the interface structure of NR/CB composites were investigated through rubber process analyzer (RPA), scanning electron microscopy (SEM), Raman spectroscopy, X-ray diffraction (XRD), and differential scanning calorimetry (DSC). The results demonstrated that the crystallite size of CB was increased by AE, leading to the decrease of dispersive free energy (γds) on the CB surface, which results in a reduction of CB–NR interaction. Oppositely, AE also increased the number of physical entanglement points in NR/CB matrix for its polarity interaction with CB, which could promote the CB–NR interaction. Consequently, the optimized value of AE in NR/CB matrix is 2 phr, where the optimal mechanical and dynamical properties were obtained. Simultaneously, AE had a negative effect on the strain-induced crystallization behaviors of NR/CB composites. This research may draw attention to the evaluation of quality standards of NR.

Graphical abstract: Effect of acetone extract from natural rubber on the structure and interface interaction in NR/CB composites

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Article information

DOI
https://doi.org/10.1039/C7RA03354K
Article type
Paper
Submitted
22 Mar 2017
Accepted
03 May 2017
First published
17 May 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 26458-26467

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Effect of acetone extract from natural rubber on the structure and interface interaction in NR/CB composites

T. Xu, Z. Jia, L. Wu, Y. Chen, Y. Luo, D. Jia and Z. Peng, RSC Adv., 2017, 7, 26458 DOI: 10.1039/C7RA03354K

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