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Agenda

Registration and morning refreshments
Smithers welcome
Chair's opening remarks
Session 1: A future perspective – brand material requirements and machine learning innovations
(joint session with TPE conference)
Requirements for silicone materials used in household appliances and medical devices
Synergy of machine learning and molecular modeling in the design of elastomer formulations
This presentation explores the use of digital design tools, including machine learning and molecular dynamics simulations, in developing advanced elastomers. Through case studies on thermoplastic elastomers and silicon-based polymers, it illustrates how these methods facilitate the design of elastomers with specific properties tailored to application needs.
 
Dr Elaheh Sedghamiz | Senior Applications Scientist, Schrodinger GmbH
Replacing silicone elastomers in sport goods applications with thermoplastic elastomers to help reduce the environmental impact of our products
Virtual Molding enhanced with Commercial Simulation
Simulation is often critical to timely succeed in complex projects. A new mold, process, technology or configuration can be checked and optimized even before any steel is cut. But the best technical plan is often not the best commercial solution. The paper demonstrates practical examples how mold layout, material selection and process parameters impact the costs of manufacturing. SIGMAecon is a new tool in SIGMASOFT® Virtual Molding to combine physical results from modern process simulation with financial results and real costs.
 
Pia Fielenbach | Application Engineer, SIGMA Engineering
Networking refreshment break
Delegates move back to separate TPE and Silicone events
Session 2: Silicone application and material updates
Silicone Elastomers in the energy evolution: The toolbox to support grid expansion and modernization
  • Energy Market Mega Trends and key market drivers.
  • Energy Transmission and Distribution application critical requirements and alignment to Si Elastomer functionality.
  • Summary of various Si Elastomer materials such as HCR, LSR and RTV-2 to meet the market drivers and the application critical requirements.

Bruno Cuocci | Senior TS&D Scientist & Global Application Technology Leader, Energy Transmission & Distribution, Dow Italy
Regulating silicones: EU legislation going global?
The cyclic siloxanes D4, D5, D6 – used 98% of the time as building blocks for silicone polymers including silicone elastomers – may be nominated for inclusion in the Stockholm Convention on Persistent Organic Pollutants (POPs). The aim is to “globalise” the European legislation known as the REACH restrictions on D4, D5, and D6. Yet the consequences would go well beyond those of the two EU REACH restrictions. In response, Silicones Europe, a sector Group of the European Chemical Industry Council (Cefic) representing all major producers of silicones, silanes and siloxanes in Europe has commissioned research to make the case for silicones.
 
Sindija Armanovica | Public Affairs Advisor, Silicones Europe (a sector group of Cefic)
Further steps to an efficient and automated production process for mixing and extrusion of silicone rubber compounds
Julia Uth, Head of Design and R & D, UTH GmbH
Kevin Klier, Scientific Assistant, UNIpace
Networking lunch
Session 2 continued: Silicone applications and material updates
Chair: Ralph-Urs Giesen, MD, Unipace
Tailoring the adhesion properties of silicone surfaces by VUV light
The necessity of a pre-treatment of silicone elastomers prior to bonding is an everlasting challenge. Within the presentation the use of lamps emitting highly energetic VUV radiation as a pre-treatment tool will be discussed in detail. VUV not only helps with promoting adhesive bonding but even bonding of silicones without any adhesive becomes possible. Furthermore, the talk will demonstrate the possibility to adjust the release force of silicone-coated release liner in adhesive tape applications. Nowadays, this is usually achieved by addition of so-called high release modifier (HRA). In future applications, a photon-induced oxidation of the silicone liner can potentially be used as an alternative. First experiments on silicone release liner (without HRA) show that the release force can be gradually increased up to a very high level by irradiation with VUV lamps. Effects of VUV irradiation on silicone surfaces as well as important technical issues that need to be considered when working with VUV lamps will be described.
 
Laura Schilinsky | Senior Scientist, Fraunhofer IFAM
Thermally conductive silicones with fumed aluminum oxide additives

Fumed aluminum oxide additives improve the stability of thermally conductive silicones
• Fumed aluminum oxide additives require only low dosage for anti-settling
• The rheology of the silicone compound is controlled by design of the fumed aluminum oxide to induce high thixotropy
• Improvement of the thermal conductivity by the addition of fumed aluminum oxide additives

 
Wojciech Pisula | Director Applied Technology Silicone, Evonik Resource Efficiency GmbH
Safe and sealed – Boosting silicone rubber with Neuburg Siliceous Earth
ATH replacement with Neuburg Siliceous Earth (NSE) - NSE in combination with a chlorine-free peroxide for extrusion - Improving opposing physical properties at the same time with NSE - NSE in platinum-cured silicone rubber
 
Nicole Holzmayr | Area Sales Manager, Hoffmann Mineral
Networking refreshment break
Session 3: Optimising efficiencies in elastomer processing
Development of continuous compounding processes for high consistency rubber
The presentation will outline the challenges in discontinuous compounding of high consistency rubber and the opportunities in continuous compounding, leading up to the research project ‘SiliComp’ targeting the development of continuous compounding processes for high consistency rubber.
 
Laura Kuhlmann | Scientist, SKZ – German Plastics Center
Release agents for silicone rubber processing
  • differentiation of release agents types, chemical basics, selection criteria, best practice in application, sustainable aspects (PFAS), special applications (USP Plastic Class VI)

Clemens Jäger | Technical Sales Rubber, Roto & Friction, Chem-Trend (Deutschland) GmbH
Optimizing solid silicones injection molding - vertical approaches to boost efficiency
  • Application, machine concepts and details
  • Efficient material feeding
  •  Process optimization and automation concepts

Dr. Clemens Behmenburg | Managing Director, LWB Steinl GmbH
Chair’s summary and end of day one
Networking drinks reception
Registration and welcome refreshments
Chair's opening remarks
Session 4: Silicone elastomers sustainability and recycling focus
Comparison between Rubber and Tire Recycling Systems
Comparing between the most important tire recycling and rubber regeneration systems in the market, such as: • Pyrolysis • Chemical rubber conversion • Physical grinding • Regeneration • Cryogenic conversion • Extrusion / Intermeshing • Additional new developments and obviously retreading.
 
Jacob Peled | Executive Chairman, Pelmar Engineering
Influence of recyclate material on the mechanical properties of high consistency silicone rubber
Recyclability is also an issue in the field of high-performance elastomers, which is becoming increasingly important due to the demand for greater sustainability. One possibility for recycling is the mechanical shredding of the plastics in order to reprocess them into new material, for example, to reduce the cost of components. In the following study, this was done for silicone elastomers. For this purpose, silicone waste was first shredded and then incorporated into new high consistency silicone rubber in varying proportions with the aid of an internal mixer and then further processed using the compression molding and extrusion processes.
 
Timo Hofmann | Research Assistant, University of Kassel, Institute of Materials Engineering, Department UNIpace
Networking refreshment break
A silicone recycling company perspective
  • What goes on in a silicone recycling plant? 
  • How is silicone elastomer recycled?
  • Silicone recycling technologies 2024

Andrew Cheng | Director Global Business Development, ECO USA
Session 5: Innovation in process technology
Smartshot E: the first all-electric valve gate cold runner system for liquid silicone processing
Critical Parameters in Molding Machine Selection for LSR Molding
Networking lunch break
Session 5 continued : Innovation in process technology
Quality Check with computer tomograph Inline
Removing substances of very high concern in silicones with the Planetary Roller Extruder
New inhibition technology for (Pt)-cured silicones (LSR and HCR) to optimise the processing window without changing material properties
Homogenous heating – temperature impact on efficiency in injection molding
Chair’s summary and end of conference

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Silicone-Elastomers-2024-agenda-11-10-24