Sustainable Fillers for Elastomers

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The IOM3 Elastomer Group's Afternoon Technical Discussion Meeting series is the main platform for the technical and scientific community in the UK to discuss the use of rubber and elastomers. This meeting will have a particular focus on the uses of sustainable fillers in elastomers.

As the drive for greener, more sustainable materials accelerates, the use of eco-friendly and alternative fillers in elastomer formulations is gaining momentum. This forward-looking event will explore how sustainable fillers—from bio-based materials to recycled content—can enhance performance while reducing environmental impact.

The Afternoon Technical Discussion Meeting brings together leading researchers, material scientists, and industry professionals to share the latest innovations, performance data, and practical considerations for implementing sustainable fillers. Join us to explore how filler technology is evolving to support the future of sustainable elastomer development.

What to expect: 

  • Expert presentations on cutting-edge elastomer research
  • Case studies showcasing successful elastomer applications in energy transition
  • Q&As to foster interactive dialogue

Agenda overview:

 

13:00   Registration

13:30

Prof James Busfield CEng FIMMM, Chair of the IOM3 Elastomer Group
Welcome Address

13:35
    
Phil Hall, Principal Consultant – Elastomer/Rubber Materials, Materials Science and Engineering, Smithers
It's not just about recovered carbon black, an overview of the broader sustainable alternative fillers landscape

14:05

Marinela Crisan, Technical Marketing Manager, RFF, UPM Biochemicals Sales GmbG
Towards Net Zero with UPM BioMotion™ Renewable Functional Fillers

14:35

Dr Kunal Manna, Research Fellow, WMG, University of Warwick
Exploring the Reinforcing Efficiency of Various Sustainable Fillers in Elastomer Matrices

15:05 

Prof Jorge Lacayo-Pineda, Head of Expert Field for Materials Evaluation, Continental Reifen Deutschland GmbH
Sustainable Fillers for Sustainable Tires

15:35

Dr Chris Norris, Technical Director, Murfitts Industries
Controlling the composition of rCB
16:05
Networking Teas & Coffee
 
17:00 Close of event

 

 

Session chairs:


 

Presenters:



Abstracts:

Marinela Crisan - Towards Net Zero with UPM BioMotion™ Renewable Functional Fillers

This presentation introduces UPM BioMotion™ Renewable Functional Fillers, a wood-based sustainable material replacing carbon intensive, fossil or mineral fillers. Produced in Germany with ISCC PLUS, PEFCTM, and FSCTM certifications, they reduce carbon footprint and support biodegradable, lightweight rubber and plastic applications.

Dr Kunal Manna - Exploring the Reinforcing Efficiency of Various Sustainable Fillers in Elastomer Matrices

This paper reports the reinforcing efficiency of different sustainable fillers like ball-milled biochar (BBC), recycled carbon black (RCB) and lignin in biobased Thermoplastic Polyurethane (bio-TPU) and nitrile elastomer matrix e.g. Nitrile Butadiene Rubber (NBR) matrix, respectively at various loading (2.5 to 10 wt% carbonaceous filler in bio-TPU and up to 60 phr loading of lignin in NBR). Both lab-synthesized and commercially available biobased TPUs along with commercially available NBR has been considered as the elastomer matrix to carry out this research. Morphological investigations and surface chemistry of the various fillers have also been performed to better understand the plausible reinforcing mechanisms. Various mechanical and thermal characterizations have been performed on the prepared composites.

Jorge Lacayo-Pineda: Sustainable Fillers for Sustainable Tires

Modern tire manufacturers and their suppliers are increasingly shifting from a linear to a circular approach, embracing their responsibility to contribute to a more sustainable future. Achieving the desired performance characteristics in tire technology, such as low rolling resistance and an effective wet braking, requires the use of highly reinforcing fillers. Therefore, the reinforcing potential of sustainable fillers must be thoroughly assessed, particularly in terms of their interaction with the surrounding polymer matrix. Non-linear rheology offers new opportunities to precisely quantify these polymer-filler interactions. This study presents examples involving recovered carbon black and rice husk silica.

Dr Chris Norris: Controlling the composition of rCB

This presentation discusses how selection and control of waste tyre pyrolysis feedstocks influence the composition and in-rubber properties of rCB. The second major discussion point is around the level of influence that the pyrolysis process itself has on the compositional properties of rCB, something that is often overlooked. High and low carbonaceous residue content rCBs are assessed and the influence of this parameter on composition, morphology and in-rubber properties ascertained. Overall, the relative effects of ash content and carbonaceous residue on rCB performance are ranked.

Phil Hall - Its not just about recovered carbon black, an overview of the broader sustainable alternative fillers landscape

Within Europe, changes in government legislation and associated initiatives, manufacturing standards and consumer expectations has facilitated the need for the supply chain to review their waste management and end of product life strategies towards recycling and repurposing polymer based products.

With sustainability and carbon emission reduction high on the agenda of manufacturers and brand owners across a multitude of sectors, interest in alternative materials that promise to assist in the delivery of key sustainability targets and ambitions is universally high.

This has led to the growth of new entrants who are actively investing in the research and development of sustainable new alternative fillers that are comparable to or can partially replace existing materials.

In this paper Mr Phil Hall will provide an overview of these new alternative fillers and their potential applications within the rubber industry.

 

 

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