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Get Free AccessMethacrylic acid (MAA) was used to improve the performance of styrene–butadiene rubber (SBR)/halloysite nanotubes (HNTs) nanocomposites by direct blending. The detailed interaction mechanisms of MAA and the in situ formed zinc methacrylate (ZDMA) were revealed by X-ray diffraction (XRD), surface area and porosity analysis, X-ray photoelectron spectroscopy (XPS) together with crosslink density determination. The strong interfacial bonding between HNTs and rubber matrix is resulted through ZDMA and MAA intermediated linkages. ZDMA connects SBR and HNTs via grafting/complexation mechanism. MAA bonds SBR and HNTs through grafting/hydrogen bonding mechanism. Significantly improved dispersion of HNTs in virtue of the interactions between HNTs and MAA or ZDMA was achieved. Effects of MAA content on the vulcanization behavior, morphology and mechanical properties of the nanocomposites were investigated. Promising mechanical properties of MAA modified SBR/HNTs nanocomposites were obtained. The changes in vulcanization behavior, mechanical properties and morphology were correlated with the interactions between HNTs and MAA or ZDMA and the largely improved dispersion of HNTs.
Guo Baochun, Yanda Lei, Feng Chen, Xiaoliang Liu, Mingliang Du, Demin Jia (2008). Styrene–butadiene rubber/halloysite nanotubes nanocomposites modified by methacrylic acid. Applied Surface Science, 255(5), pp. 2715-2722, DOI: 10.1016/j.apsusc.2008.07.188.
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Type
Article
Year
2008
Authors
6
Datasets
0
Total Files
0
Language
English
Journal
Applied Surface Science
DOI
10.1016/j.apsusc.2008.07.188
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