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Reinforcing Mechanisms of Filler hybrid Systems based on Nano-scale Rubber Particles and Silica
It was found that in unvulcanized compounds filler flocculation was reduced by either silanization or by the addition of Nanoprene. The reduction of filler flocculation was most pronounced when the silica compound contained Nanoprene and was also silanized. The good filler dispersion, which was achieved by the combination of both measures, was preserved during and after vulcanization.Weiterlesen...
Bioabbaubarer Kunststoff als Klimasünder?
In einer jüngst veröffentlichten Studie wurde das Verhalten konventioneller und bioabbaubarer Kunststoffe im Erdreich untersucht. Dabei zeigt sich: Mikroorganismen zersetzen das bioabbaubare Material und stoßen dabei CO₂ aus.Weiterlesen...
Engineered Polysaccharides and Reinforcement of Elastomers
The subject of this work is on the study of an engineered polysaccharide system as reinforcing filler for rubber composites. This new class of tailored polysaccharides is based on the direct and selective enzymatic polymerization of sucrose in water to α-1.3-glucans with tailored morphologies. The incorporation of this filler system by latex compounding with NBR showed clearly a reinforcing effect in several physical properties.Weiterlesen...
![Figure 1. Parallel plate capacitor [3].](assets/images/2/bild-1-hasan-serdar-9b3af70c.webp "Figure 1. Parallel plate capacitor [3].")
Electrical Properties and Dielectric Spectroscopy of Rubber Materials
In this study, the dielectric properties of rubber materials were investigated because of their wide usage area and their dielectric properties were obtained by Dielectric Spectroscopy.Weiterlesen...
Effect of renewable Fillers on the tribological Performance of Basalt chopped Fiber reinforced epoxy hybrid Composites
In the present work; sunflower husk, peanut shell powder are used as natural fillers besides sesame and castor oils to improve the tribological performance of basalt fiber reinforced epoxy composites.Weiterlesen...
Erosive Wear of Surfaces Coating by Epoxy / TiO2 Nanocomposite
One of the most widely used industrial coatings is epoxy surface coatings, which provides excel-lent adhesion and wear resistance when applied to metal surfaces. The erosion behavior of epoxy/ coatings by solid particles impact was investigated. The coating epoxy is equipped with dispersing TiO2 nanoparticles (NPs) directly into the epoxy resin. The erosion experiments tested using sand impact with particles sizes 150-300 µm at jet impingement angles of 30°, 60° and 90°.90°.Weiterlesen...
Wie elastische Rail Pads Gleise leiser machen
Einem Forscherteam unter Mitwirkung der Schweizer Empa ist es gelungen ein Bauteil aus elastischem Kunststoff zu entwickeln, das die Belastung für Schienenstränge mindert und die Geräuschkulisse für die Umwelt reduziert.Weiterlesen...
Spritzgießen und Additive Fertigung: Effizienz durch Synergie! Aber wie?
Das Spritzgießen ist eine wirtschaftliche Option, wenn es um die Produktion von identischen Bauteilen in großer Stückzahl geht. Demgegenüber hat sich die Additive Fertigung positioniert – nicht als Konkurrenz, sondern als ergänzende Möglichkeit zur Produktion individualisierter Modelle. So verschieden die beiden Herstellungsverfahren auch sind, so häufig gehen sie Hand in Hand. Nachfolgend ist die Optimierung des Spritzguss-Prozesses mit Hilfe additiv gefertigter Bauteile illustriert.Weiterlesen...
Novel Polyvinyl Alcohol/Barium Titanate Nanocomposites modified by Ionic Liquid
Polyvinyl alcohol (PVA)/barium titanate (BaTiO3) nanocomposites were fabrica- ted with various content of BaTiO3 be- fore and after the treatment of BaTiO3 nanoparticles with ionic liquid.Weiterlesen...
Changes in heat resistant properties of LLDPE by gamma ray pre-irradiation evaluated by weight change
The activation energy of the induction period was 136 kJ/mol which was independent on the concentration of antioxidant reagent. Gamma ray pre-irradiation of 320 kGy caused the induction period to disappear. The period when weight of the sample decreased to 99.0% by thermal aging was presupposed as an index of life time. The pre-irradiation caused a reduction of the life time of LLDPE to the half period of time.Weiterlesen...