Carbon black/silicone rubber blends as absorbing materials to reduce Electro Magnetic Interferences (EMI)

Barba, Anna Angela; Lamberti, Gaetano; D’Amore, Matteo; Acierno, Domenico

doi:10.1007/s00289-006-0598-z

Cited by 62 publications

(24 citation statements)

References 4 publications

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“…The sorption parameters, like diffusion, sorption and permeation coefficients, were calculated according to Eqs. (7), (8) and (9). Room temperature sorption curves, expressed as percent penetrant uptake Q (t) , versus square root of time t 1=2 , are depicted in Figure 3.…”

Section: Resultsmentioning

confidence: 99%

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Cure Kinetics and Sorption Characteristics of Neoprene-Based Rubber Ferrite Composites

Prema

Kurian

Anantharaman

et al. 2010

International Journal of Polymeric Materials

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Rubber ferrite composites were prepared by incorporating nickel ferrite in a neoprene rubber matrix. Kinetics of the cure reaction were determined from the rheometric torque values and found to follow first-order kinetics. Analysis of the swelling behavior of the rubber ferrite composites in toluene elucidates the mechanism of solvent penetration and sorption characteristics, and reveals the extent of the physical interaction of the ferrite particles with the neoprene rubber matrix. Mechanical properties of rubber ferrite composites were determined, which support the reinforcing nature of nickel ferrite to the neoprene rubber matrix. These results show that magnetic composites with the required processing safety can be prepared economically by incorporating higher amounts of nickel ferrite in the neoprene rubber matrix.

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Section: Resultsmentioning

confidence: 99%

“…Magnetic properties of these flexible magnets can be tailored by the selection of the appropriate type and amount of ferrites. Use of these materials as EMI shields and microwaveabsorbing materials brings about their commercial applications [7,8].…”

Section: Introductionmentioning

confidence: 99%

Cure Kinetics and Sorption Characteristics of Neoprene-Based Rubber Ferrite Composites

Prema

Kurian

Anantharaman

et al. 2010

International Journal of Polymeric Materials

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“…To achieve the desired absorbing properties, conductive fillers (metal powder, carbon black, graphite, ferrite, carbon nanotubes, ionic salts and others) are added into the silicone rubber matrix. Conductive silicone rubber can shield against electromagnetic interference and be applied more extensively in the field of electromagnetic compatibility [2,7]. Conductivity may also be induced by adding conductive screen, plating, or paint to the finished product.…”

Section: Introductionmentioning

confidence: 99%

“…Shielding structures could be realized by using conductive and/or absorbing materials such as metallic conductor, polymeric composites with metallic and non metallic conducting inclusions, etc.. These materials must have specific requisites: first of all good shielding effectiveness (SE), lightness, good mechanical properties, good processability, and low cost [2].…”

Section: Introductionmentioning

confidence: 99%

Electrical Conductivity and Electromagnetic Shielding Effectiveness of Silicone Rubber Filled With Ferrite and Graphite Powders

Morari¹,

Balan²,

Pintea³

et al. 2011

PIER M

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Abstract-There is increasing interest in electromagnetic interference (EMI) shielding due to the serious electromagnetic environment pollution caused by the continuously increased use of the electrical products and electronic devices. Electrical conductivity and EMI shielding effectiveness (SE) of composite materials made from silicone rubber with carbon powder and ferrite powder have been studied in microwaves and terahertz frequency ranges and the results are presented in this paper. In microwaves range, samples with higher electrical conductivity show a small variation of shielding performance with frequency, whereas the performance of samples with lower conductivity falls away with increasing frequency. It is shown that the variation of attenuation with frequency relates to the conductivity of the material.

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“…In this context, microwave heating technology has received great attention because foods, in particular fruits and vegetables, are materials suitable for radiating heating. During the process, microwave energy penetrates through the material depending upon their dielectric properties (Barba et al 2006). In particular, high contents of both moisture and salts, i.e.…”

mentioning

confidence: 99%

Microwave assisted drying of banana: effects on reducing sugars and polyphenols contents

Barba¹,

D’Amore²,

Rispoli³

et al. 2014

Czech J. Food Sci.

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Barba A.A., d'Amore M., Rispol M., Marra F., Lamberti G. (2014): Microwave assisted drying of banana: effects on reducing sugars and polyphenols contents. Czech J. Food Sci., 32: 369-375.The effects of microwave assisted drying on banana fruit was evaluated. Water, reducing sugars, and polyphenol contents, as well as poly-phenol-oxidase activity were evaluated along the radial and axial positions in thick slices of banana, according to a properly defined cutting and assaying protocol. The effects of the microwave-assisted drying process were compared to the convective air-assisted drying resulting faster than the conventional process. In particular, the resulting samples were homogeneous in the water content; the contents of reducing sugars were strongly decreased on drying with microwaves; the poly-phenol-oxidase was inactivated by the high temperature produced by the process and thus the polyphenols content remained practically the same as in the fresh product.

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Carbon black/silicone rubber blends as absorbing materials to reduce Electro Magnetic Interferences (EMI)

Cited by 62 publications

References 4 publications

Cure Kinetics and Sorption Characteristics of Neoprene-Based Rubber Ferrite Composites

Cure Kinetics and Sorption Characteristics of Neoprene-Based Rubber Ferrite Composites

Electrical Conductivity and Electromagnetic Shielding Effectiveness of Silicone Rubber Filled With Ferrite and Graphite Powders

Microwave assisted drying of banana: effects on reducing sugars and polyphenols contents

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