Interfacial structure and performance of rubber/boehmite nanocomposites modified by methacrylic acid

Methacrylic acid (MAA) is investigated as a novel in situ interfacial modifier for styrene-butadiene rubber (SBR)/boehmite (BM) composite via a direct blending method. The reaction mechanism for the modification was revealed to be the BM/MAA coordination and MAA/rubber grafting reaction. The substan...

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Bibliographic Details
Published in:Polymer (Guilford) 2011-09, Vol.52 (19), p.4387-4395
Main Authors: Chen, Weiwei, Wu, Siwu, Lei, Yanda, Liao, Zhenfei, Guo, Baochun, Liang, Xiao, Jia, Demin
Format: Article
Language:English
Subjects:
Applied sciences
Blending
Boehmite
Composites
Dispersions
Exact sciences and technology
Forms of application and semi-finished materials
Mechanical properties
Methacrylic acid
Nanocomposites
Particulate composites
Polymer industry, paints, wood
polymers
Rubber
Technology of polymers
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Summary:Methacrylic acid (MAA) is investigated as a novel in situ interfacial modifier for styrene-butadiene rubber (SBR)/boehmite (BM) composite via a direct blending method. The reaction mechanism for the modification was revealed to be the BM/MAA coordination and MAA/rubber grafting reaction. The substantiated BM/MAA coordination can improve the dispersion of BM in rubber matrix. It is illustrated that the ultimate mechanical performance and interfacial interaction are significantly enhanced by the in situ modification. The strong interaction between BM and SBR and the improved dispersion of BM in the rubber matrix are responsible for the largely enhanced mechanical properties. [Display omitted]
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2011.07.028