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Fig. 9: Transmission light microscopy image on an undeformed rubber foil (thickness ≈ 200 µm) of compound R2. The numbered ground rubber particles were used for the measurement of the particle strain.


Modification of Ground Rubber with Conventional Fillers by Process Engineering

Carbon black loaded elastomer materials were ground into small rubber particles and covered in situ with conventional fillers like carbon black and hydrophobated silica. more...

December 11. 2019 - Research news

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


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

Material cost of carburized corncob ash filling compounds.


The Production and mechanical Properties of carburized Corn Cob Ash added Rubber Compounds

Polymer compounds are used in many areas of industry. They are used as the main material in many sectors such as car rubbers, windscreen wipers, toys, water pipes and sealing elements (seals etc.) and mainly the shoe soles. more...

April 16. 2019 - Research news

Das Prozesshilfsmittel wird im Straßenbau für gummihaltigen  Asphalt eingesetzt. Bildquelle: alle Evonik Ressource Efificiency

Scrap tires – the new recycled construction material

Innovation for Road Construction

Autoreifen gehören auf die Straße? Stimmt schon. Aber seit rund zwei Jahrzehnten finden sie sich auch immer häufiger in der Straße. Möglich wird das durch recycelte Altreifen und ein Prozesshilfsmittel. Das Additiv ermöglicht, Gummimehl aus Altreifen zu einem gummihaltigen Asphalt zu verarbeiten. more...

February 20. 2019 - Tires in


Friction and Wear Properties

Tribological Performance for Polyester filled by recycled Rubber

The aim of this work is to study the friction and wear of polyester as flooring materials filled by recycled rubber. The test rig, used in the experiments was top scratching tester equipped with an indenter to produce a scratch on a flat surface with a single pass. The tested material is polyester filled by […] more...

April 10. 2017 - Research news

The company showcases new processing methods, technology and services. (Reference: NGR)


K 2016: New pilot plant solution manufactures PP film

At the booth in the exhibit hall, a new pilot plant solution from Collin will manufacture PP film. The film edge trims and film rolls will be further processed into rPellets by an NGR recycling machine. The processed plastics will then be returned back into film production. An inline melt characterization unit will also provide advanced quality control of the new plastics raw material during the recycling process. more...

October 17. 2016 - Product Review


Recycling of BR

Recycling of Butyl Rubber cured with Phenol-Formaldehyde resin

Butyl rubber (IIR) is characterized by low permeability of gases and different vapours. This advantage is the reason for the use of IIR for the production of car and motorcycle tubes, manufacturing of inner liners in tubeless tires, special tires and insulation of electric cables, in the production of anticorrosive coverings of chemical equipment, absorbers, hoses for hot liquids and chemical agents, membranes for tires vulcanization, conveyor belts resistant to high temperature, glues for rubber fabrics and protective clothing as well. more...

October 9. 2015 - Research news

Plastics Recycling

Recycling of Polyethylene Terephthalate Plastic Wastes based on unsaturated Diol

Cis -2-buten-1,4-diol, as an aliphatic unsaturated alcohol, was used to depolymerize polyethylene terephthalate beverage bottles waste in presence of zinc acetate as a transesterification catalyst. The diolysis processes were carried out near the boiling point of the diol, at atmospheric pressure and under nitrogen flow for predetermined periods, namely 5 and 10 hours. more...

February 12. 2015 - Research news

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Industrial Devulcanization of Rubber

How to devulcanize rubber without damaging the rubber properties and use it to substitute virgin compound and not the fillers

This article aims at analyzing the rubber devulcanization process and highlighting the limits that prevent reintegration of devulcanized rubber in the part same application / original virgin compound. Afterwards a solution will be proposed to overcome these limits and some industrial applications will be shown with values of improvement. more...

February 12. 2015 - Tires in

EPDM waste rubber

Recycling of EPDM Rubber Waste Powder by Activation with liquid Polymers

The recycling of ethylene-propylenediene- rubber (EPDM) waste was realized by activation of EPDM rubber waste particles surface with liquid EPDM polymers (LP) of low molecular weight. The optimal ratio of the waste EPDM rubber to LP was investigated whit regards to the original EPDM properties. more...

February 17. 2014 - Research news