화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.27, No.5, 448-453, May, 2019
DOI10.1007/s13233-019-7065-9  Export Citation
Poly(glycidyl methacrylate) Coated Soft-Magnetic Carbonyl Iron/Silicone Rubber Composite Elastomer and Its Magnetorheology
Seung Hyuk Kwon, Ji Su An, So Yeon Choi1, Kyoung Ho Chung1, and Hyoung Jin Choi†
  • Department of Polymer Science and Engineering, Inha University, Incheon 22212, Korea
  • 1Department of Polymer Engineering, University of Suwon, Hwaseong 18323, Korea
E-mail:
Poly(glycidyl methacrylate) (PGMA) coated soft-magnetic carbonyl iron (CI) particles were fabricated using a dispersion polymerization method in this study and then adopted for a magnetorheological (MR) elastomer. Physical characteristics of the fabricated PGMA coated CI particles, including morphology and magnetic properties, were analyzed by scanning electron microscopy, energy dispersive X-ray spectroscopy, and vibrating sample magnetometer. MR elastomers were prepared using silicone rubber with both PGMA-coated and uncoated CI particles. Rheological properties of the MR elastomer samples, including storage modulus and relative MR efficiency, were measured with a rotational rheometer at various magnetic field strengths. The results demonstrated that the PGMA-coated CI based MR elastomer sample had larger storage modulus, smaller MR effect, smaller Payne effect, and smaller loss tangent than the pure CI based MR elastomer due to increased bond strength between the particles and silicone rubber matrix for the PGMA-coated CI based MR elastomer.
Keywords:carbonyl iron;poly(glycidyl methacrylate);silicone rubber;magnetorheological elastomer
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