Elastomers Containing Fillers with Magnetic Properties

Composites of rubbers such as ethylene – propylene and acrylonitrile – butadiene with micro size Fe¬3O4, Fe2O3, and nano size Fe3O4 as the fillers were tested. Iron oxides were found to be active fillers which improved mechanical properties of elastomers. Additionally, they also changed their magnetic properties. Furthermore, the surface of micro size Fe3O4 was modified to upgrade mechanical properties of the vulcanizates. Itaconic acid, methacryloxypropyltrimethoxysilane and monododecyl maleate were used as modifying agents. To improve dispersion of applied fillers in polymers matrix, non-ionic (NF-PEG), anionic (calcium stearate ), cationic (DTAB, DTAC, DDAB, CTAD) and ionic liquids (HMIMBF4, BMIMPF6, OMIMPF6) were used. It was observed that both non-modified and modified micro iron oxides and nano iron oxides improved the properties of the vulcanizates the most effectively.

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Effect of calcium stearate and pimelic acid addition on mechanical properties of heterophasic isotactic polypropylene/ethylene–propylene rubber blend

Polymer Testing ◽

10.1016/j.polymertesting.2003.11.006 ◽

2004 ◽

Vol 23 (5) ◽

pp. 533-539 ◽

Cited By ~ 60

Author(s):

Kessaraporn Trongtorsak ◽

Pitt Supaphol ◽

Supawan Tantayanon

Keyword(s):

Mechanical Properties ◽

Isotactic Polypropylene ◽

Calcium Stearate ◽

Pimelic Acid ◽

Ethylene Propylene ◽

Rubber Blend ◽

Acid Addition ◽

Ethylene Propylene Rubber

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The influence of surfactants and ionic liquids on the mechanical and magnetic properties of ethylene-propylene copolymers filled with micrometer and nanometer magnetite

Polimery ◽

10.14314/polimery.2011.743 ◽

2011 ◽

Vol 56 (10) ◽

pp. 743-748 ◽

Cited By ~ 1

Author(s):

MARCIN MASLOWSKI ◽

MARIAN ZABORSKI

Keyword(s):

Magnetic Properties ◽

Ionic Liquids ◽

Ethylene Propylene

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Effect of natural aging factors on physico-mechanical properties of compositions based on secondary polypropylene and triple ethylene-propylene-diene rubber

Perspektivnye Materialy ◽

10.30791/1028-978x-2019-7-42-50 ◽

2019 ◽

pp. 42-50

Author(s):

M. V. Bazunova ◽

◽

A. R. Sadritdinov ◽

R. A. Mustakimov ◽

Ye. I. Kulish ◽

...

Keyword(s):

Mechanical Properties ◽

Natural Aging ◽

Ethylene Propylene ◽

Ethylene Propylene Diene Rubber ◽

Diene Rubber ◽

Aging Factors

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Controlling surface chemistry and mechanical properties of metal ionogels through Lewis acidity and basicity

Journal of Materials Chemistry A ◽

10.1039/d0ta11821d ◽

2021 ◽

Vol 9 (8) ◽

pp. 4679-4686

Author(s):

Coby J. Clarke ◽

Richard P. Matthews ◽

Alex P. S. Brogan ◽

Jason P. Hallett

Keyword(s):

Mechanical Properties ◽

Ionic Liquids ◽

Ethylene Glycol ◽

Surface Chemistry ◽

Lewis Acidity ◽

Metal Species ◽

Poly Ethylene Glycol ◽

Acidity And Basicity ◽

Poly Ethylene

Gels prepared from metal containing ionic liquids with cross-linked poly(ethylene glycol) have surface compositions and mechanical properties that can be controlled by Lewis basicity and acidity of the metal species.

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A Novel CoFe2NiMn0.3AlCux High-Entropy Alloy with Excellent Magnetic Properties and Good Mechanical Properties

Acta Metallurgica Sinica (English Letters) ◽

10.1007/s40195-021-01256-8 ◽

2021 ◽

Author(s):

Man Zhu ◽

Chi Zhang ◽

Kun Li ◽

Yongqin Liu ◽

Mao Zhang ◽

...

Keyword(s):

Mechanical Properties ◽

Magnetic Properties ◽

High Entropy Alloy ◽

High Entropy

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Effects of Magnetic Powder Loading on Mechanical Properties and Magnetic Properties of Natural Rubber

Advances in Science and Technology ◽

10.4028/www.scientific.net/ast.45.1423 ◽

2006 ◽

Vol 45 ◽

pp. 1423-1428

Author(s):

Somsak Woramongconchai ◽

Chatchawan Lohitvisat ◽

Aree Wichainchai

Keyword(s):

Mechanical Properties ◽

Magnetic Properties ◽

Coercive Force ◽

Natural Rubber ◽

Barium Ferrite ◽

Maximum Energy ◽

Magnetic Powder ◽

Elongation At Break ◽

Maximum Energy Product ◽

Energy Product

The effect of magnetic powders and powders loading on magnetic properties and mechanical properties of magnetic rubbers were studied. The natural rubber with magnetic powders, Barium ferrite, Neodymium iron boron, were used as starting materials to prepare magnetic rubbers. Barium ferrite (BaO.6F2O3) powders had been sintered at 1285 oC for 30 hours to improve its crystal structure. The physical properties of magnetic rubbers, residual flux density (Br), coercive force (Hc), maximum energy product (BHmax), hardness and density, had a trend to increase as enhancing magnetic powders loading. However, some properties such as, intrinsic coercive force (Hci), tensile strength and elongation at break, had a trend to decrease when the magnetic powder loading was increased. Magnetic properties of the anisotropic type, sintered powders, were higher than isotropic type, non-sintered powders, except the Hci because anisotropic magnetic rubber indicated crystal orientation in the same direction.

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Percolation Effects in the Mechanical Properties of Granular Ni-A12O3 thin films

MRS Proceedings ◽

10.1557/proc-195-441 ◽

1990 ◽

Vol 195 ◽

Cited By ~ 3

Author(s):

T.E. Schlesinger ◽

A. Gavrin ◽

R.C. Cammarata ◽

C.-L. Chien

Keyword(s):

Thin Films ◽

Mechanical Properties ◽

Plastic Deformation ◽

Magnetic Properties ◽

Percolation Threshold ◽

Volume Fraction ◽

Electrical And Magnetic Properties ◽

Low Load

ABSTRACTThe mechanical properties of sputtered Ni-Al2O3 granular thin films were investigated by low load microharaness testing. It was found that the microhardness of these films displayed a percolation threshold at a nickel volume fraction of about 0.6, below which the hardness is greatly enhanced. This behavior is qualitatively similar to the electrical and magnetic properties of these types of films. A percolation threshold in hardness can be understood as due to a change in the mechanism for plastic deformation.

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