Technische Produkte

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Technische Produkte

Polymer Composites Silicone Rubber-Hydrogel

Composite materials are described consisting of a silicone rubber matrix and lightly crosslinked synthetic hydrogels. Their various properties, such as mechanical, swelling, transport and biological properties are surveyed and possible applications of these materials are mentioned. Polymerkomposite auf der Basis von Silikonkautschuk- HydrogelKomposite bestehend aus Silikonkautschuk und schwach vernetztem synthetischen Hydrogelen werden beschrieben. Ihre mechanischen […] mehr...

28.April 2003 - Neues aus der Forschung

Technische Produkte

Nano-Structure Blacks

Nano-structure blacks are a new carbon black family produced by physical surface modification in a furnace reactor. Various grades with altered specific surface areas and structure levels are now available. The main characteristics of these novel blacks is a unusually rough surface which leads to enhanced interaction forces with rubbers. Due to a narrow aggregate […] mehr...

28.April 2003 - Neues aus der Forschung

Technische Produkte

The Effect of Carbon Black Morphological Characteristics on Tear Propagation In Rubbers

A systematic study of surface area, structure and loading effects of carbon black in relation to fatigue crack growth and tear propagation has been completed. The main contributing effects of these parameters to fracture in an SBR formulation at constant temperature, frequency or strain rate were identified. They were found to affect the nature of […] mehr...

28.April 2003 - Neues aus der Forschung

Technische Produkte

Stand und Perspektiven des Gummirecyclings

Nicht nur aus ökologischen und ökonomischen Überlegungen, sondern auch durch aktuelle Entwicklungen in der Umweltgesetzgebung ist das Recycling von Gummi wieder in den Blickpunkt der Gummi-verarbeitenden Industrie gerückt. Neben den gesetzlichen Grundlagen beleuchtet dieser Artikel die Herausforderungen beim Recycling von Gummi und beim Wiedereinsatz von Altgummi in originären bzw. neuen Anwendungen. An vielen Beispielen werden […] mehr...

19.März 2003 - Neues aus der Forschung

Technische Produkte

On the Depending of Tire Performance and the Degree of Mixing

Tire performance is not only related to its architecture and compound formulations but more so on the way the compound ingredients are mixed together and its process history downstream. A design of experiment procedure was used to investigate the relationship between mixing cycle and the viscoelastic properties of silica tread compound. Due to the large […] mehr...

19.März 2003 - Neues aus der Forschung

Technische Produkte

Use of Surface Grafted Ground Tyre Rubber (GTR) in PA-6, PBT and PUR

Ground Tyre Rubber (GTR) particles have been treated with glycidyl methacrylate (GMA) and methacrylic acid (MAA) using a proprietary photoinitiated surface grafting process. The grafted GTR (GMA-g-GTR and MAA-g-GTR, respectively) was incorporated in various polar thermoplastics (PA-6, PBT) and elastomers (PUR) in order to assess the effectiveness of the grafting process. It was concluded that […] mehr...

14.Februar 2003 - Neues aus der Forschung

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