نتایج جستجو برای: sbr styrene butadiene rubber

تعداد نتایج: 26851  

Journal: :Applied sciences 2023

Plastic/rubber materials used as fasteners in equipment for analyzing or removing organic pollutants water treatment technologies form an essential part of the device. Micropollutants are typically present at very low concentrations (ng/L to µg/L). Therefore, when designing, example, units advanced oxidation processes (AOPs) planning sample handling, it is necessary assess whether material comp...

2007
Roque J. Minari Georgina S. Stegmayer Luis M. Gugliotta Omar A. Chiotti Jorge R. Vega O. A. Chiotti R. J. Minari G. S. Stegmayer L. M. Gugliotta J. R. Vega

This work investigates the industrial production of styrene-butadiene rubber in a continuous reactor train, and proposes a soft sensor for online monitoring of several processes and polymer quality variables in each reactor. The soft sensor includes two independent artificial neural networks (ANN). ThefirstANNestimatesmonomer conversion, solid content, polymer production, average particle diame...

2014
Esmaeil Ahmadinia

Polymer-modified bitumen is used to combat different pavement distresses and to increase the life span of pavement. Unmodified bitumen cannot perform better with the range extreme minimum and maximum pavement temperatures. The polymers commonly used to modify the bitumen are ethylene vinyl acetate (EVA) styrene butadiene styrene (SBS). The aim this study to compare the performance of EVA modifi...

Journal: :American journal of epidemiology 2003
Genevieve M Matanoski Xuguang Grant Tao

Epidemiologic studies have consistently reported increased daily mortality and hospital admissions for ischemic heart disease related to daily changes in ambient particulate levels. One theory is that substances adhering to particulates might have a cardiovascular effect. Styrene has been found in very low doses in air and has chemical characteristics that would cause adherence to particles. In...

2009
Leon D. Perez Manuel A. Zuluaga Thein Kyu James E. Mark Betty L. Lopez

The present article describes preparation, characterization, and physical properties of nanoparticles-filled composites consisting of multiwall carbon nanotubes (MWCNT) and styrene-butadiene rubber and nitrilebutadiene rubber. The reinforcing MWCNT fillers were synthesized by chemical vapor deposition on iron and cobalt catalysts supported by calcium carbonate substrates. These MWCNT were furth...

2010

Thermoplastic rubbers are materials that combine the characteristics of good processability of thermoplastics with the physical properties of vulcanized rubber. SEBS is a SBS which has been subjected to a hydrogenation process, through the polybutadiene chain is eliminated. This new rubber has a high resistance to environment, temperature, UV radiation, etc. without losing the properties of a t...

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