期刊
SMART MATERIALS AND STRUCTURES
卷 21, 期 11, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0964-1726/21/11/115028
关键词
-
资金
- Science and Technology Research and Development Programme from the Ministry of Railways of China [J2011J002]
- Minhang District-Shangai Jiao Tong University Science and Technology Cooperation Special Fund
Novel isotropic and anisotropic thermoplastic magnetorheological elastomers (MRE) were prepared by melt blending titanated coupling agent modified carbonyl iron (CI) particles with poly(styrene-b-ethylene-ethylene-propylene-b-styrene) (SEEPS) matrix in the absence and presence of a magnetic field, and the microstructure and magnetorheological properties of these SEEPS-based MRE were investigated in detail. The particle surface modification improves the dispersion of the particles in the matrix and remarkably softens the CI/SEEPS composites, thus significantly enhancing the MR effect and improving the processability of these SEEPS-based MRE. A microstructural model was proposed to describe the interfacial compatibility mechanism that occurred in the CI/SEEPS composites after titanate coupling agent modification, and validity of this model was also demonstrated through adsorption tests of unmodified and surface-modified CI particles.
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