Effect of organoclay reinforcement on the curing characteristics and technological properties of styrene-butadiene rubber
2014; Wiley; Volume: 36; Issue: 7 Linguagem: Inglês
10.1002/pc.23034
ISSN1548-0569
AutoresE. M. Sadek, D. E. El‐Nashar, Sahar M. Ahmed,
Tópico(s)Polymer composites and self-healing
ResumoPolymer CompositesVolume 36, Issue 7 p. 1293-1302 Article Effect of organoclay reinforcement on the curing characteristics and technological properties of styrene–butadiene rubber E. M. Sadek, Corresponding Author E. M. Sadek Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, EgyptCorrespondence to: E. M. Sadek; e-mail: [email protected]Search for more papers by this authorD. E. El-Nashar, D. E. El-Nashar Polymer & Pigment Department, National Research Center (NRC), Dokki, Cairo, EgyptSearch for more papers by this authorS.M. Ahmed, S.M. Ahmed Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, EgyptSearch for more papers by this author E. M. Sadek, Corresponding Author E. M. Sadek Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, EgyptCorrespondence to: E. M. Sadek; e-mail: [email protected]Search for more papers by this authorD. E. El-Nashar, D. E. El-Nashar Polymer & Pigment Department, National Research Center (NRC), Dokki, Cairo, EgyptSearch for more papers by this authorS.M. Ahmed, S.M. Ahmed Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, EgyptSearch for more papers by this author First published: 19 April 2014 https://doi.org/10.1002/pc.23034Citations: 21Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Rubber nanocomposites based on styrene–butadiene rubber (SBR) and organophilic layered silicate were prepared. Clay structures based on dodecyl benzene sulfonic acid (DBSA), nonyl phenol ethoxylate (NPE), and DBSA/NPE (50/50%) were prepared and characterized. The results indicate the intercalation of the used surfactants within the clay layers. Varying amount of organoclay, 2, 4, 6, 8, and 10 (phr), was added to the SBR matrix. X-ray diffraction revealed exfoliated structure for the modified clay–SBR composites. No new component in the rubber was found by fourier transform infrared measurements (FTIR). Scanning electron microscopy showed a uniform distribution of the modified clay with mixed DBSA/NPE (6 phr) in the matrix. The rheometric characteristics and physicomechanical properties of the SBR compounds were analyzed. The effect of DBSA/NPE clay loading on aging resistance of SBR nanocomposites at 90 ± 1°C for 4 and 7 days was also investigated. Rubber nanocomposites displayed an increase in the minimum and maximum torques, acceleration of the vulcanization process, and improved mechanical properties, with organoclay content up to 6 phr. This effect was more noticeable in the presence of the treated clay with DBSA/NPE. Also incorporation of DBSA/NPE-clay (6 phr) resulted in significant improvement of the degradation profile of the nanocomposites at 90 ± 1°C for 4 days. POLYM. COMPOS., 36:1293–1302, 2015. © 2014 Society of Plastics Engineers REFERENCES 1B. Guo, F. Chen, Y. Lei, X. Liu, J. Wan, and D. Jia, Appl. Surf. Sci., 255, 7329 (2009). 10.1016/j.apsusc.2009.03.092 CASWeb of Science®Google Scholar 2F. Cataldo, Macromol. Symp., 247, 88 (2007). 10.1002/masy.200750109 CASWeb of Science®Google Scholar 3S.D. Sadhu, M. Maiti, and A.K. 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