Fig. 1:Effect of different types of plasticizers on the physico-mechanical properties of PVC/PMMA (50/50, wt/wt) blend.

Dieletric Properties

Miscibility, mechanical and dielectric Properties of PVC/ PMMA Blends modified with Triblock-Copolymer as a novel Compatibilizer

The present research concerns with utilizing poly(methylmethacrylate)-b-poly(n-butyl acrylate)-b-poly (methylmethacrylate) [PMMA-b-PBuA-b-PMMA] triblock copolymer (TBC) as a new compatibilizer for poly(vinylchloride)/poly(methylmethacrylate) [PVC/PMMA] blends. more...

June 17. 2020 - Research news

Fig. 2: Morphologies of the blend of polymer (A) and (B); (a) compatible (b) incompatible and (c) semi-compatible.

Mixing properties according to molecular level

A short Review on new Trends in Polymer Blends

Polymer blends have been become one of the most important research in the field of polymers. more...

June 12. 2020 - Research news

Fig. 1: Rheometer curves for EPDM vulcanised at 160°C with variation of the amount of sulfur curatives.

Network density and the compression set as a function of temperature

Sulfur Vulcanisation of low- vs. high-unsaturated Rubbers (IIR & EPDM vs. NR & BR):

In this study the sulfur vulcanisation of four different, apolar rubbers, viz. IIR, EPDM, NR and BR, in gum compounds over the same range of sulfur curatives contents is compared. more...

June 10. 2020 - Research news

Die Richtlinien für Produkte aus Elastomeren für Anwendungen mit Trinkwasserkontakt werden seit einigen Jahren überarbeitet –  2021 endet die Übergansgfrist für die Rohstoff-Rezepturen. Bildquelle: gemenacom – stock.adobe-com

Elastomermischungen gemäß der Elastomerleitlinie nach 2021

Elastomer compounds for use after 2021

Zum 31.12.2021 endet die Übergangsfrist der Elastomerleitlinie des Umweltbundesamts (UBA), die zur Beurteilung von Elastomeren in Kontakt mit Trinkwasser dient. Bislang etablierte, schwefelvernetzte Mischungen im Trinkwasserbereich dürfen ab diesem Zeitpunkt nicht mehr verwendet werden. Gummiwerk Kraiburg ist es gelungen, eine Mischung herzustellen, die auch nach 2021 in Elastomeranwendungen für den Trinkwasserbereich eingesetzt werden kann. more...

May 20. 2020 - Tires in

Fig. 2: Optical micrograph of 30PALF-PP ‘prepreg’ after washing with hot toluene (a). SEM micrograph of the cryogenic fracture surface of 30PALF-PP composite perpendicular to the machine direction (b).

Crystalline Orientation and stacked Structure

Effect of Matrix Orientation and Fiber Content on the Properties of uniaxial Pineapple Leaf Fiber – Polypropylene Composites

Composites reinforced with aligned short pineapple leaf fiber (PALF) and polypropylene (PP) were successfully prepared and studied. more...

May 20. 2020 - Research news

Fig. 1: Photograph images of NS compo­site with different  silver ions (%w/w).

Moisture Content, Swelling Ratio and mechanical Properties

Physical Properties of sustain­able Composites from natural Rubber / Cassava Starch / Silver

Sustainable composites obtained from natural rubber/cassava starch and silver possessing moisture content, moisture absorption, swelling ratio, mechanical properties were reported. more...

May 19. 2020 - Research news

Fig. 5: Effect of percents of TiO2 NPs on the compressive, yield and rupture strengths of the hybrid composite resin cured with strong mod at 80 seconds.

Effect of TiO2- Nnanoparticles

Relation zwischen Titaniumdoxid Nanopartikeln und Druckeigenschaften von Dental-Kompositharz

Ziel der vorliegenden Arbeit ist es, den Einfluss von TiO2 NPs auf die Kompressionseigenschaften von Hybridverbundharzen zu untersuchen. more...

May 18. 2020 - Research news

Fig. 1: SEM image for the utilized graphene nanoplatelets (GNPs).

Graphene Nanoplatelets (GNP) as an Additive

Promoting the tribological Properties of epoxy Composites via using Graphene Nanoplatelets as a functional Additive

The recent research aims to enhance the mechanical and tribological properties of epoxy composites for sliding applications. more...

May 15. 2020 - Research news

Fig. 3: Dependence of the storage  modulus of cured rubbers on the  temperature.

Styrene-butadiene rubber (SBR) for Tires

Influence of Type of Styrene-Butadiene Rubber on the Properties of Silica-Filled SBR/NR/BR Compounds for Agricultural and Construction Tyres

Styrene-butadiene rubber (SBR) is the most common type of synthetic rubber, the major part being consumed for passenger car tyres. As the requirements for performance, durability and safety of tyres rise increasingly, new raw materials are utilized, e.g. solution SBR and precipitated silica. more...

April 16. 2020 - Research news

Scheme 1: Processing methods: preparation of a thin film of electrode for flexible devices such as actuators.

CNTs as reinforcing agent

Carbon-Nanotube-based low-Temperature vulcanized Silicone Rubber Nanocomposites for flexible Devices

In the present work, CNTs were used as a reinforcing agent to improve the properties of a raw lowtemperature vulcanized (LTV) silicone rubber matrix in a flexible device. more...

April 15. 2020 - Research news

FTIR spectroscopy and proton nuclear magnetic resonance (1H NMR) spectroscopy

Influence of Methoxy Polyethylen Glycol Methacrylate on the Properties of Silica filled Styrene Butadiene Rubber Composites

Methoxy polyethylene glycol methacrylate (MPGMA)was synthesized by direct esterification reaction between (methoxy polyethylene glycol) and methacrylic acid and characterized by FTIR spectroscopy and proton nuclear magnetic resonance (1H NMR) spectroscopy. more...

April 15. 2020 - Research news

Fig. 6: Tensile strength values of NR vulcanizates before and after ageing at 70°C.

Peroxide-Vulcanizated NR

Thermal oxidative Behaviour of Peroxide crosslinked Natural Rubber

The thermal oxidative behaviour of natural rubber cured with four different peroxides namely 2,5-dimethyl-2,5-bis(tert-butylperoxy) hexane (DHBP), 1,1’-di(tert-butylperoxy)-3,3,5-trimethylcyclohexane (TMCH), 1,3 1,4-bis (tert-butyl peroxy isopropyl) benzene (DIPP) and dicumyl peroxide (DCP) was studied. more...

April 15. 2020 - Research news

Necmi Dusunceli_Abb 1

Fracture behavior of PP

Experimental and numerical Analysis of failure Crack Growth of Polypropylene

Observations were presented on crack growth behavior of polypropylene (PP) on virgin and annealed compact tension (CT) specimens at various loading amplitude. The fracture behavior was evaluated using J integral method. J integral fracture resistance decrease with annealing process. more...

April 15. 2020 - Research news

Fig. 2: Block diagram for the preparation of GNP-SP adduct.

Natural Rubber latex with graphene Nanoplatelets (GNPs)

Effect of the Functionalization of graphene Nanoplatelets with a Janus Pyrrole Molecule on mechanical and electrical Properties of natural Rubber Nanocomposites

Nanokomposite wurden durch Mischen von NR-Latex mit Graphene Nanoplatelets (GNPs) hergestellt, die mit einer Janus Pyrrol Komponente durch einen einfachen, nachhaltigen Prozess mit einer sehr hohen Atom- und Kohlenstoffeffizienz nahezu zu 100 % funktionalisiert wurden. more...

April 14. 2020 - Research news

Figure 3_relevant part of the sliced sample and position of the cutting planes along th rotor axis

Visualisation of the Flow paths

Flow Paths in a tangential internal Mixer as Optimisation Possibilities for Mixing of Rubber Compounds

Die Qualität eines Kautschukcompounds ist neben dem verwendeten Kautschuk unter anderem von den eingesetzten Füllstoffen, Additiven und Vernetzungschemikalien sowie dem Mischprozess abhängig. Kautschukmischungen werden vornehmlich in Innenmischern produziert. more...

March 19. 2020 - Research news