Abb. 1_Stocek

ISA-Measuringof the Crack Initiation Energy

Efficient Method for Characterizing the Service Lifetime of Rubber Seals

Seal applications require rubber compounds capable to endure numerous cycles of deformation without crack initiation. more...

October 1. 2020 - Research news

Abb 1_Tawfik

Biodegradability of HWC-Panels

Biological Performance of Hard Wood Composite formulated from Rice Straw and Polystyrene Foam Wastes

The objective of this study was to evaluate the biological resistance of Hard Wood Composite (HWC) panel incorporating various concentrations of Zinc Borate (ZB) and / or Magnesium Hydroxide (MH) against some fungi and bacteria decay. more...

September 30. 2020 - Research news

Fig 6_Kozakova

Electroinsulating Resin

New Stabilizers of Styrene as a reactive Monomer in Production of impregnating Resins

Styrene is one of many reactive monomers used in production of electroinsulating resins. Because of its very high reactivity, it has to be stabilized also during transport and then during manufacturing of the products based on styrene too. more...

September 30. 2020 - Research news

Scheme 1: Decomposition mechanism of dicumyl peroxide [18].

Curing Characteristic

Dicumyl Peroxide used as curing Agent for different Types of Rubber Matrices Part I: Effect of Temperature

Several elastomers were cured with dicumyl peroxide at different vulcanization temperatures. more...

September 30. 2020 - Research news

Figure 2: Process chain of the AME process

3D-Printing with Rubber

Development, Construction and Testing of a 3D-Printing-System for Additive Manufacturing of Carbon Black filled Rubber Compounds

Additive manufacturing of carbon black filled elastomers provides unique opportunities for polymers. The process is based on Fused Filament Fabrication (FFF). more...

September 28. 2020 - Research news

Wang_Part !

Eco-Visco-Elastomer Composite

Silica-Filled Masterbatches produced with Liquid Phase Mixing Part I: Characterization

New rubber/silica masterbatches named EVEC (Eco-Visco-Elastomer Composite) are compounds manufactured using a continuous liquid phase mixing process. more...

September 9. 2020 - Research news

Abdelsalam_Fig 1

Ternary rubber composites NR/SBR/NBR

Effect of Filler Loading on curing Characteristics and physical Properties of Ternary Rubber Blend Composites

This study investigates the effect of carbon black (CB) filler loading on the mechanical and rheological properties of natural rubber (NR) / styrene-butadiene rubber (SBR)/ acrylonitrile-butadiene rubber (NBR) ternary rubber composites. Physico-mechanical properties such as tensile strength, modulus, stress, elongation at break , tear strength, compression stress, and crosslink density were studied. more...

September 8. 2020 - Research news

Shafik_Scheme 1

Benzo[d][1,2,3]triazol als neues Antioxidant für NBR

Synthese und Bewertung einer N-heterocyclischen Komponente als Antioxidant und Einfluss auf die physiko-mechanischen und elektrischen Eigenschaften von Acrylnitril-Butadienkautschuk

1H-benzo[d][1,2,3]triazole as N- heterocyclic compound was prepared by ring closure reaction of diazonium salt of o-phenylene diamine by nitrous acid. more...

September 7. 2020 - Research news

Unbenannt

Rubber for electric cable

Study of Wear and Friction Behavior of HDPE-Composite filled by CNTs

Single and multi-walled carbon nanotubes are used in this paper as a filler material to of high density polyethylene. more...

September 4. 2020 - Research news

Fig. 1: Construction of an electrical cable showing various layers of different functional materials.

Rubber for current-carrying applications

New EPDM Grade Keltan 2470E for excellent electrical Performance in Wire and Cable Applications

Keltan 2470E is a new EPDM grade developed to satisfy the specific requirements of electrical wire and cable applications and was launched to market in 2018. more...

September 3. 2020 - Research news

Fig. 4: Effect of TD to CBS mM ratios on the delta torque of rubber vulcanizates.

Evaluation has been made between TMTD-CBS and BPTD-CBS binary accelerators systems

Exploring the Synergism of Nitro­samine-safe Bis (N-benzyl piperazino) Thiuram Disulfide (BPTD) and N-Cyclohexyl-2-Benzothiazole Sulfenamide (CBS) in the natural Rubber Vulcanization

The synergistic activity of one novel nitrosamine-safe thiuram disulfide, namely Bis-(N-benzyl piperazino) thiuram disulfide (BPTD) in combination with CBS is investigated. more...

August 6. 2020 - Research news

Fig. 1: Cylindrical electrode with a diameter of 25 mm used in dielectric strength test.

Advantages over conventional composites

Study and Improvement of the electrical Properties of Polyester Composites

Styrenated polyester reinforced with small amounts of well dispersed nanoparticles of fumed silica, mica and graphite with the aim to offer advantages over conventional composites. more...

August 5. 2020 - Research news

Abb. 1b: Viskosität von Nanokompositen mit TiO2

Improving the processing and application properties of polymer nanocomposites intensively investigated

Advantages of new rheological Evaluation Methodology for polymeric Nanocomposites

Rheology of dispersive polymeric systems has typically been described by evaluating the viscosity curve (shear thinning phenomenon), storage modulus curve (formation of a secondary plateau), or analysing the information on the damping behavior (e.g., Van Gurp-Palmen plot, comparison of loss factor tan δ). more...

August 5. 2020 - Research news

Fig. 1: FT-IR spectra of the pure polyols and the polyurethane foam used in recycling.

The reaction of polyol conversion

Chemical Recycling of Polyurethane Foam Waste with Glycolysis by Using Zeolite Catalysts

The effect of different ratios of Ca-zeolite and Na- zeolite catalysts in the glycolysis reaction for the chemical recovery of polyol from flexible polyurethane (PU) foams were investigated more...

August 5. 2020 - Research news

Fig. 13: Mechanical properties in dependency of the silica content a) tensile strength and elongation at break and  b) tensile strength at constant elongation of 10%.

A significant shift of the percolation

Development of soft electrical conductive PDMS/CNT-Composites with extremely low CNT Content

In order to create electrical conductive polydimethylsiloxane/carbon nanotube-composites with high flexibility, it is inevitable to minimize the filler content. more...

August 4. 2020 - Research news

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