Erste Tests von Reifen mit dem naturidentischen, biomimetischen Synthesekautschuk Bisyka zeigen, dass diese etwa 30 bis 50 Prozent weniger Abrieb im Vergleich zu Naturkautschukreifen erzeugen. Bildquelle: Fraunhofer IAP, Till Budde

Biomimetischer Synthesekautschuk mit optimiertem Abriebverhalten

Synthetic rubber outperforms natural rubber

Natürlicher Kautschuk aus Kautschukbäumen ist ein begrenzter Rohstoff. Synthetisch hergestellter Kautschuk reicht bisher im Abriebverhalten jedoch nicht an das natürliche Produkt heran und eignet sich daher nicht für LKW-Reifen. Ein neuartiger Synthesekautschuk erzeugt nun erstmals 30 bis 50 Prozent weniger Abrieb als Naturkautschuk. more...

July 1. 2019 - Tires in

Bei den Pedelecs ist der Akku in einem Gehäuse am Steuerrohr untergebracht, wo er sich zum  Laden bequem herausnehmen lässt. Dichtungen aus TPE sorgen dafür, dass das Gehäuse wasserfest ist und Geräusche keine Chance haben.  Bildquelle: 2018 Askoll EVA

TPE zur Vibrations -und Geräuschdämpfung am Akkuanschluss

Innovation in the e-mobility of power-assisted bikes and electro-scooter

Askoll, italienischer Hersteller von elektrischen Zweirädern, verwendet thermoplastische Elastomere zur Vibrations- und Geräuschdämpfung am Akkuanschluss seiner Pedelecs und Elektroroller sowie zur wasserfesten Abdichtung des Akkugehäuses. Zu den wichtigsten Anforderungen gehört dabei die zuverlässige Haftung auf glasfaserverstärktem PBT trotz geringer Kontaktflächen. more...

June 28. 2019 - Tires in

Wittek 1

3D-Printing

Approach for additive Manufacturing of high-viscosity, curable Rubbers by AME Processing (Additive Manufacturing of Elastomers) – Rubber 3D

Additive Manufacturing of plastic or metal parts is state of the art. But in order to use different materials there is still a great need for development. more...

June 21. 2019 - Research news

Fig. 1: Schematic representation of a  tire cross section highlighting the cyclic sidewall deformation.

Mechanical Proberties of Rubber Composites

Oscillating Buckling Dynamometry (OBD) of textile reinforced Rubber Laminates

The dynamic response of reinforced rubber laminates is related to the viscoelastic properties of the constituent materials and to their distribution within the thickness in a quite complex manner. more...

June 21. 2019 - Research news

Fig. 4: TGA curves of  (a). NBR/ SiO2 vulcanizates (b).NR/ SiO2 vulcanizates without/with (6phr) different oils content.

Natural Oil as a plasticizer

Use of natural Oils as potential Additives in filled Rubber Compounds for antistatic Applications

The effect of natural oils (castor and jo­joba oils) as alternative ingredient for NBR and NR vulcanizates has been evaluated. Only for comparison, DOP is used as a reference plasticizer. more...

June 20. 2019 - Research news

Fig. 8: Plot of Ziegler Natta ethylene content versus polymer ML (1+4) @ 125°C (for definitions and corrections see text) for a large variety of commercial, (very) high molecular weight EPDM products with polymer ML larger than 70 MU and oil content below 20 phr.

Cost savings with EPDM

New Compounding Concepts based on very high Molecular weight EPDM

The evaluation of a series of very high molecular weight EPDMs with varying Mooney viscosity (ML), oil content and ethylene content in compounds with 400, 500 and 600 phr loading enabled the optimum design of a unique, very high molecular weight EPDM (Keltan 13561C), which satisfies the special requirements for automotive EPDM body seals. more...

June 19. 2019 - Research news

Azza_Ward_

Date and Pomegranates fruits als Fillers

High Performance Epoxy Resin/Agro Waste Composites for automotive Applications

The ability of using agro-waste comes from date and pomegranates fruits as fillers for the production of light weight epoxy composites. more...

May 20. 2019 - Research news

Rozik_Abb_3_

Electrically conductive Polyaniline

Synthesis and Characterization of Conducting Polyaniline/Polystyrene Nanocomposite for different Applications

Electrically conductive polyaniline (PA­NI) / polystyrene (PS) composites were prepared by solution casting process. more...

May 17. 2019 - Research news

Fig. 2: (a) Rheometric curves for Hybrid/IR system based nanocomposites containing  xg C750 concentration from 0 to 15 phr; (b) The t’10 decreasing behaviour in Hybrid/IR nanocomposites containing different filler concentration of xg C750.

Graphene-Nano Platelets

Role of Graphene nano Platelets in Enhancing Properties for CNT-CB Filled Poly (1,4-cis-isoprene) based Rubber Nanocomposites

Rubber nanocomposites based on commercially available carbon allotropes and poly (1,4-cis-isoprene) (IR) were investigated. more...

May 16. 2019 - Research news

Fig. 2: Crosslink densities as a function of the amount of devulcanization aid (DPDS).

Rubber-Recycling

Effects of Devulcanization Aid on mechanical and thermal Properties of devulcanized Rubber/Virgin Natural Rubber Blends

Thermo-chemical devulcanization of used truck tires was conducted using various amounts of diphenyl disulfide (DPDS) as a devulcanization aid. more...

May 15. 2019 - Research news

Fig. 4: Evaluation of the mean value for one silica granule, powder and micro pearl.

Silica in green Tires

Comparison and Evaluation of Different Analytical Methods to Predict the In-Rubber Dispersibility of Silica

To find a correlation between one analytical parameter of precipitated silica and its in-rubber dispersibility, 25 different types of silica were investigated by standard analytical methods as well as two new methods, the sedimentation test and the in-situ cluster fragmentation. more...

May 14. 2019 - Research news

Bildquelle: apinan – stock.adobe.com

Die DKG als lebendiges Netzwerk der Kautschukbranche

Dabei sein ist alles

„Tradition Meets Science Meets Industry“, unter diesem Motto stehen die Aktivitäten der Deutschen Kautschuk-Gesellschaft (DKG). Seit über 90 Jahren bietet sie Kautschuk- und Elastomerexperten aus Wissenschaft und Industrie eine Plattform zum Wissens- und Ideenaustausch. Seit ihrer Gründung veranstaltet die DKG regelmäßige Tagungen, bei denen dem Fachpublikum aktuelle Erkenntnisse aus der Kautschukforschung in Vorträgen präsentiert werden. more...

April 17. 2019 - Tires in

Sukhareva_

Biocompatibility

Bioplastics based on Polyhydroxybutyrate and Ethylene-Propylene-Copolymer: Phase Structure

This study investigates the structure of bioplastics based on polyhydroxybutyrate mixtures and double ethylene-propylene-copolymer. more...

April 17. 2019 - Research news

Fig. 5: SEM images of a) the NS composite with different PF contents and  b) the NS composite with urea contents at 5% PF.

Biopolymer Composite

A Novel Composite form Waste Paper Fiber and modified Starch for potted plant Application

The objective of this work was to study the preparation and properties of a novel biopolymer composite produced from waste paper (PF) and natural rubber-graft-cassava starch (NS) made by using water based route potted plant application. more...

April 16. 2019 - Research news

FT-IR spectrum of HA-NPs (a), CP/CMC paper scheet (b) and CP/CMC/HA-NPs paper sheet nanocomposite (c).

Paper sheets nanocomposite

Preparation and Characterization of CMC/HA-NPs/pulp Nanocomposites for the removal of heavy Metal Ions

The paper sheets nanocomposite of cellulose pulp/ carboxymethyl cellulose/ hydroxyapatite nanoparticles (HA-NP) were prepared with different ratios of HA-NPs. more...

April 16. 2019 - Research news

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