Research News

Fig. 1: World wide Applications of ZnO.

Mini Review

Review – The Importance of Zinc Oxide (ZnO) in Rubber Technology

Zinc oxide (ZnO) is one of the most important compounding ingredient in rubber technology. more...

October 9. 2018 - Research news

Fig. 3: Viscous wall shear stress component tV* = tD + tvisc (in red) and wall shear stress (Pa) as a function of shear rate (EPDM uncured subject to OSCAR of γ.0 = 500s–1 and p = 180s).

Viscous behaviour of EPDM and Compounds

Oscillating Shear Capillary Rheometry (OSCAR) of Rubber Compounds

The knowledge of the viscous behaviour of a rubber compound under steady state condition is required to assess the performances of the material in extruder die and mould design or in mixing process evaluation. more...

October 9. 2018 - Research news

Fig. 4b: Expected response influenced by superposition of stress recovery and continued relaxation.

Investigation of SBR filled with Carbon Black

Characteristics of Relaxation and recovery Behavior of filled Rubber

This paper presents new experimental approaches for investigating relaxation and recovery behaviour in steady-state dynamic tests on rubber filled with carbon black, illustrated here using SBR double shear test pieces. more...

October 9. 2018 - Research news

Fig. 1: Multi Walled Carbon Nanotubes (MWCNTs), [2].

MWCNTs in PMMA

Tribological Behaviour of Poly­methyl Methacrylate reinforced by Multi-Walled Carbon Nanotubes

The effect of multi-walled carbon nanotubes on the hardness, friction and wear of polymethyl methacrylate reinforced by MWCNTs of 0.1, 0.2, 0.3, 0.4 and 0.5 wt. % contents is investigated. more...

October 8. 2018 - Research news

Figure 2

Photosensitive HXNBR

Photo-triggered Self-Healing of Elastomers

The photo-reversible cycloaddition reaction of anthracene groups is used to impart self-healing properties into hydrogenated carboxylated nitrile butadiene rubber (HXNBR). more...

October 8. 2018 - Research news

Fig. 5: Curing behaviour of compounds containing sunflower oil. A repeated measurement is reported for the compound without resin, to confirm the experimental observation.

Biobased Plasticizer

Combining Resins, S-SBR and Bio-Plasticiser for improved Tread Compounds

Bio-sourced plasticizers offer a high-performance, non-toxic, eco-sustainable alternative to traditional plasticizers. more...

September 12. 2018 - Research news

Table 1: Triboelectric series of the tested polymers.

Electrostatic Charge

Triboelectrification of Latex and Polyethylene Gloves

The aim of the study is to determine the electrostatic charge generated from the dry sliding of the latex (NBR) and polyethylene (PE) single and double gloves against polyamide, polypropylene and polytetrafluoroethylene. more...

September 12. 2018 - Research news

Fig. 1: Different modes of tensile deformation (loading direction in y-axis): (A) Simple elongation with volume consistency and (B) pure elongation with dilatation.

Elongation

The Effect of Boundary Conditions on the Failure Behavior of Rubber Vulcanizates under Tensile Deformation

In this study tensile deformation under pure elongation of unfilled and carbon black filled SBR vulcanizates has been investigated experimentally. more...

September 12. 2018 - Research news

Fig. 2: Water drop on a steel surface with the apparent contact angle θ. The letters S, L and V indicate the phases of the solid, the liquid and the gas phase.

Surface-Caracterization

Review – Characterization of modified Elastomer Surfaces by wetting

This article features the current state of research with respect to plasma and varnished elastomer composites, which have been characterized by the sessile drop and the modified Wilhelmy balance technique. more...

September 12. 2018 - Research news

Fig. 5: Schematic illustration of ESC generated on floor material and polypropylene.

Friction and ESC

Reducing electrostatic Charge generated on Polymeric Floor in Hospitals

The aim of this research is to develop a new material for reducing electrostatic charge (ESC) generated from the walking of polypropylene shoes against polymeric floor in hospitals. more...

July 31. 2018 - Research news

Fig. 2: Finite element model representing the O-ring seal in the undeformed configuration. An extruded view of the axisymmetric  model is shown.

Simulation of Ageing Process

Finite Element Simulation of the Rubber Mechanical Behaviour due to thermomechanical Ageing

Service conditions in rubber components may provoke damage in them, leading to their incapability to develop their original functions. more...

July 27. 2018 - Research news

Fig. 4: AAF and von Mises equivalent stress at maximum deformation along the symmetry axis.

Behaviour of technical Elastomer-Components

FEM Implementation of elastomeric stress softening

The complex mechanical behaviour of filled elastomers comprises several nonlinear and dissipative effects, one of them is stress softening. more...

July 27. 2018 - Research news

Fig. 6: Mooney-Rivlin material calibration.

Analyzing Stress States

Efficient Material Parameter Calibration of Elastomer Specimen in uniaxial Tension, planar Shear and equibiaxial Tension

For analyzing arbitrary static 3D stress states in solid rubber compounds, three different material tests are performed. more...

July 26. 2018 - Research news

Fig. 2: Schematic image for distinguishing physical and chemical  relaxation.

Aging of EPDM

The analysis of Aging Processes of EPDM Elastomers using low field NMR with Inverse Laplace Transform and Stress Relaxation Measurements

With regard to the long-term stability of seals, “stress-relaxation” testing is known to deliver important information. more...

July 26. 2018 - Research news

Fig. 8: Dependence of εb on ATBC content (factor x3) and starch content (factor x2) in PLA/TPS/PHB blends, measured two weeks after film extrusion. Source Slovak University of Technology, Bratislava

Influence of structure of the blend based on polylactic acid, polyhydroxybutyrate and thermoplastic starch (PLA/TPS/PHB) on morphology and mechanical properties

Multicomponent Blends based on Polylactic Acid, Polyhydroxybuty-Rate and thermoplastic Starch

Influence of structure of the blend based on polylactic acid, polyhydroxybutyrate and thermoplastic starch (PLA/TPS/PHB) on morphology and mechanical properties was studied. more...

June 30. 2018 - Research news

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