scholarly journals Natural Rubber Based Composites Comprising Different Types of Carbon-Silica Hybrid Fillers. Comparative Study on Their Electric, Dielectric and Microwave Properties, and Possible Applications

2016 ◽  
Vol 07 (06) ◽  
pp. 295-306
Author(s):  
Ahmed A. Al-Ghamdi ◽  
Omar A. Al-Hartomy ◽  
Falleh R. Al-Solamy ◽  
Nikolay Dishovsky ◽  
Mihail Mihaylov ◽  
...  
Keyword(s):  
Comparative Study ◽  
Natural Rubber ◽  
Microwave Properties ◽  
Hybrid Fillers ◽  
Different Types ◽  
Silica Hybrid

Microwave properties of natural rubber based composites comprising conductive carbon black/silica hybrid fillers

2016 ◽  
Vol 23 (9) ◽  
Author(s):  
Ahmed A. Al-Ghamdi ◽  
Omar A. Al-Hartomy ◽  
Falleh R. Al-Solamy ◽  
Nikolay Dishovsky ◽  
Mihail Mihaylov ◽  
...  
Keyword(s):  
Carbon Black ◽  
Natural Rubber ◽  
Microwave Properties ◽  
Conductive Carbon Black ◽  
Hybrid Fillers ◽  
Silica Hybrid

Dielectric and microwave properties of elastomer composites loaded with carbon-silica hybrid fillers

2015 ◽  
Vol 133 (7) ◽  
pp. n/a-n/a ◽  
Author(s):  
Ahmed A. Al-Ghamdi ◽  
Omar A. Al-Hartomy ◽  
Falleh R. Al-Solamy ◽  
Nikolay Dishovsky ◽  
Mihail Mihaylov ◽  
...  
Keyword(s):  
Microwave Properties ◽  
Hybrid Fillers ◽  
Elastomer Composites ◽  
Silica Hybrid

scholarly journals A Comparative Study of the Phase Distribution in Carbon-Silica Hybrid Fillers for Rubber Obtained by Different Methods

2014 ◽  
Vol 05 (10) ◽  
pp. 685-697 ◽  
Author(s):  
Omar A. Al-Hartomy ◽  
Ahmed A. Al-Ghamdi ◽  
Said A. Farha Al-Said ◽  
Nikolay Dishovsky ◽  
Michael B. Ward ◽  
...  
Keyword(s):  
Comparative Study ◽  
Phase Distribution ◽  
Hybrid Fillers ◽  
Silica Hybrid

Microwave properties of natural rubber based composites containing carbon black-magnetite hybrid fillers

2018 ◽  
Vol 25 (3) ◽  
pp. 611-620 ◽  
Author(s):  
Ahmed A. Al-Ghamdi ◽  
Omar A. Al-Hartomy ◽  
Falleh Al-Solamy ◽  
Nikolay Dishovsky ◽  
Petrunka Malinova ◽  
...  
Keyword(s):  
Carbon Black ◽  
Natural Rubber ◽  
Microwave Properties ◽  
Synthesis And Characterization ◽  
Hybrid Filler ◽  
Hybrid Fillers ◽  
True Hybrid ◽  
Magnetite Phase ◽  
Microwave Characteristics

Abstract The paper presents the synthesis and characterization of a carbon black-magnetite hybrid filler. The complex study on the structure of the filler has shown the magnetite phase to be distributed both over the surface (inter-aggregately) and inside (intra-aggregately) the carbon black particles, thus forming a true hybrid material. The results from the investigations on the mechanical and microwave properties of natural rubber-based composites filled with the new hybrid filler have been also reported. They have been compared to those of a composite comprising the physical mixture of carbon black and magnetite (at the same ratio as in the hybrid filler). The determined microwave characteristics of the composite comprising the hybrid filler obtained reveal the possibility for its use in manufacturing elastomer-based microwave absorbers.

Novel organomodified kaolin/silica hybrid fillers in natural rubber and its blend with polybutadiene rubber

2016 ◽  
Vol 74 (3) ◽  
pp. 783-801 ◽  
Author(s):  
R. V. Sreelekshmi ◽  
J. D. Sudha ◽  
A. R. Ravindranatha Menon
Keyword(s):  
Natural Rubber ◽  
Hybrid Fillers ◽  
Polybutadiene Rubber ◽  
Silica Hybrid

Effect of Silica Phase on Certain Properties of Natural Rubber Based Composites Reinforced by Carbon Black/Silica Hybrid Fillers

2017 ◽  
Vol 33 (4) ◽  
pp. 221-242 ◽  
Author(s):  
Ahmed A. Al-Ghamdi ◽  
Omar A. Al-Hartomy ◽  
Falleh R. Al-Solamy ◽  
Nikolay Dishovsky ◽  
Diana Zaimova ◽  
...  
Keyword(s):  
Carbon Black ◽  
Natural Rubber ◽  
Silica Phase ◽  
Hybrid Fillers ◽  
Silica Hybrid

scholarly journals Bacterial contamination control mats: a comparative study

1977 ◽  
Vol 79 (1) ◽  
pp. 133-140 ◽  
Author(s):  
H. M. Meddick
Keyword(s):  
Comparative Study ◽  
Working Conditions ◽  
Bacterial Contamination ◽  
Contamination Control ◽  
Different Types

SUMMARYThe ability of six different types of contamination control mats currently in use at the entrances to theatre suites and other clean areas to remove bacteria-carrying particles from theatre trolley wheels was compared. Marked differences in the effectiveness of this property were obtained; and all mats showed some disadvantages. Modification of one of the mats has resulted in improved efficiency under working conditions.

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