The simple replacement of petroleum-based components with renewable alternatives in a well-established reactive extrusion process is a promising route to more environmentally friendly thermoplastic polyurethane elastomers (TPU). However, this requires a comprehensive understanding of the interactions between chemical reactions and material flow within an extruder, as well as a thorough understanding of the effects of heat and shear on polymerization and melt processing.

Extruded strand from the continuous synthesis of a thermoplastic polyurethane, containing the new paraformaldehyde-based polyol

Production of Thermoplastic Polyurethanes with Reduced Carbon Footprint

Extrusion

Kunststoffverarbeitung: Verfahren

Thermoplastische Elastomere

Kunststoff Werkstoffe

Thermoplaste

Extruder

Kunststoffverarbeitung: Maschinen und Komponenten

Extrusionsanlagen

Polyurethan

Reactive Extrusion of TPU

The Chinese Fujian Highsun Engineering Plastics Co, Ltd and Akro-Plastic GmbH have signed an agreement for future cooperation in the Greater China region.

At the signing of the contract in Fuzhou, China. From left to right: Linda Xu, Sales Director, Qi Jiwei, Operations Manager and Deputy General Manager (both Akro Engineering Plastics (Changzhou) Co., Ltd.), Chen Jianlong, Chairman, Highsun Holding Group, Wilfried Jobst, General Manager Akro Engineering Plastics (Changzhou) Co., Ltd., Chen Zhong, President, Highsun Holding Group and Shen Zhonghai, Vice Finance Director, Highsun Holding Group.

Polyamide

Akro-Plastic and Highsun Establish Joint Venture

The Sirmax Group is set to establish its 14th global production plant in India with the opening of a plant near Hosur, India.

Sirmax to Open Plant in India

Medical-grade from Teknor Apex TPEs offer enhanced clarity, reduced spallation, and extended pump life.

Medalist MD-90000 Series Thermoplastic Elastomers were uniquely designed to address spallation issues with existing products in pump segment tubing applications.

Peristaltic pump with plastic tubes and rollers moving.

Medizintechnik

TPE for Biopharmaceutical Tubing Applications

Plastic manufacturer Dow has announced the launch of more sustainable polyolefin elastomers. The new brand will help the footwear industry to unlock a lower carbon footprint and develop more sustainable products.

Crocs is the first footwear brand to go-to-market with this new material technology.

16:9

Kautschuk / Elastomere

Walking on Bioplastics

Dupont is adding new, more sustainable grades to the Hytrel TPC-ET product family. Hytrel Eco B is based proportionately on renewable raw materials.

Messe K-Kunststoffmesse

kunststoffe-international.com

Kunststoffe, biobasiert

Biokunststoffe

kunststoffe.de

TPC with up to 72 Percent Biomass Content

Trelleborg Sealing Solutions showcased two new additions to its Isolast PureFab FFKM material range at Semicon Europa 2022.

At Semicon Europa 2022 Trelleborg Sealing Solutions showcased two new additions to its Isolast PureFab FFKM material range.

Elastomer-Spritzgießen

Spritzgießen

Halbleiterfertigung

Elektronik

Perfluoroelastomers for Semiconductor Sealing

Increasing demands on component functionality and the need for efficient manufacturing processes are keeping multi-component injection molding squarely in the focus of plastics processing. Not all materials can be processed reliably in the desired combination. The new InMould-Plasma process, which is fully integrated into the injection molding process, facilitates more-efficient production and paves the way for completely new material combinations.

Demonstration mold for the production of a housing cover by the InMould plasma process

More Material Combinations,  Lower Costs

Mehrkomponenten-Spritzgießen

Spritzgießwerkzeuge

Werkzeuge für die Kunststoffverarbeitung

Plasmabehandlung

Oberflächentechnik

Reinigen und Vorbehandeln

Dichtungsschäumen

Schäumen / Reaktive Verarbeitung

InMould-Plasma Streamlines the 2-Component Process and Expands  the Material Spectrum

A new series of extremely soft TPEs have a soft surface similar to human skin.

The materials’ substantially reduced tendency to oil out, for example, enables high-quality gel pad applications and optimizes ejection of the finished parts during processing

Kraiburg TPE Presents Its Next Generation Supersoft TPEs

Werkstoffe für additive Verfahren

Andere Werkstoffe

For Extremely Soft Applications

Hexpol TPE, the international polymer compounding group, has expanded their range of Thermoplastic Elastomer (TPE) materials with recycled content. The new Dryflex Circular TPE grades have been tested for odor and emissions performance in automotive interiors.

Post-industrial waste streams from plastic part production are incorporated into Dryflex Circular TPE materials for automotive interior applications

Kunststoff-Recycling

Kunststoff-Aufbereitung

Kreislaufwirtschaft

TPE Compounds with Recycled Content

Kraiburg TPE’s latest thermoplastic elastomer (TPE) has been specially developed for consumer and industry applications and contains up to 40 % post-consumer recyclate (PCR). In accordance with standard ISO 14021, the manufacturer recycles materials that end consumers from households and the industry can no longer use for their intended purpose.

The latest solution from Kraiburg TPE makes a post-consumer recycling proportion of 40 % possible. The TPE is partly made from household waste. 

Compound

Kunststoff-Rezyklat

TPE with a Post-Consumer Recycling Proportion of 40 Percent

Kraiburg TPE is expanding its portfolio of thermoplastic elastomers (TPE) for automotive interiors with grades with a recycling content of up to 38 %.

The post-industrial recycled raw material used is waste material derived from the manufacturing process for plastic products. © Kraiburg TPE

Recycling Content for Automotive Interiors

KLK OLEO offers bio-based ingredients that are used in plastic products to impart wide-ranging benefits, from process optimisation to improved part performance.

KL-Kepong Industrial Holdings Sdn Bhd.  

https://www.klkoleo.com

Verbundwerkstoffe / Werkstoffverbunde

Standardkunststoffe

Technische Kunststoffe

Additive Fertigung

Warmformen

Warmformen / Thermoformen

Blasformen

Pressen und Warmformmaschinen

Kunststoffverarbeitungsmaschinen

Hochleistungskunststoffe

Extrudieren (KU)

Kunststoffverarbeitung

Compoundieren

A different take on successful recycling– it has won Sirmax the Racer Edge Award 2022. The compounder received the award for its reuse of a former General Motors’ site.

Lorenzo Ferro (third from left), Country Manager of Sirmax North America, accepted the award in Oklahoma City from the decision makers of Racer Trusts: Bob Hare, Bruce Rasher and Elliott P. Laws (from left to right).

Compoundeure

Dienstleistungen

Handel

Polypropylen-Compound

Unternehmen und Unternehmer

Wirtschaft

Sirmax Receives a US Award and Invests Heavily

At K 2022, it was clearly shown that with suitable materials not only can CO2 emissions be reduced, but also advantages in component design achieved.

The Japanese chemical company Asahi Kasei showed its concept vehicle at K 2022. The domed roof in particular could lead to a few changes in future automobiles.

With suitable materials CO2 emissions can be reduced and advantages in component design can be achieved.

Automotive Highlights of K 2022

Silikone

Elektromobilität

Mobilität

Streifinger, Florian

Polymethylmethacrylat

Polycarbonat

Suitable Materials for Smart  Vehicle Design

Lightweight Thermoplastic Composite Bearing

Trelleborg Sealing Solutions launches its latest lightweight thermoplastic composite bearing.

Trelleborg Sealing Solutions launches its latest lightweight thermoplastic composite bearing, the HiMod Advanced Composite Bearing Plus, an enhanced dual-layer bearing with a low-friction modified PEEK layer that reduces friction and increases wear performance for use in bearing, wear ring, and bushing applications.

Manufactured using Trelleborg’s patented Automated Fiber Placement (AFP) technology, a thin low friction liner is bonded to the inner diameters and can be added to the outer diameters of the bearing. According to the company, the new bearing will not seize or gall, unlike metal bearings, to reduce the likelihood of pump damage in chemical processing applications, has a low coefficient of friction, and can withstand extreme temperature ranges.

Reid Hislop, Product Manager at Trelleborg Sealing Solutions, says: “Thermoplastic bearings offer high durability and toughness for demanding applications. The addition of a low-friction layer within our HiMod Advanced Composite Bearing Plus provides up to 50 % less sliding friction than with standard bearings, to increase performance and prevent damage to hardware components.

The New Bearing Do Not Crack or Swell in Extreme Conditions

“These unique bearings can operate from an extremely low temperature of –156 OC to +274 OC / –250 OF to +525 OF and are capable of continuous service even when wet, with nearly zero water absorption. Unlike other non-metal bearings, these do not crack or swell in extreme conditions making them a reliable choice for a wide range of applications.”

Trelleborg’s AFP technology is part of a special continuous-fiber thermoplastic composite manufacturing process, which uses pre-impregnated unidirectional composite tapes to produce strong, light-weight composite bearings and other components. The manufacturing process utilizes In-Situ Consolidated (ISC) technology that requires no autoclave or other post processes to eliminate fiber wrinkling and offer an unlimited choice of fiber angles. Components are rapidly formed by a melt-bond process, which removes the need for adhesives, fasteners, or welding. ISC technology enables the bonding of different materials which can result in the creation of new, hybrid structures.

Hislop, continues: “Our low-friction PEEK liner doubles as a highly impermeable sealing surface to provide wide chemical compatibility including solvents and environmental contaminants, and unlike traditional thermoset composites, thermoplastic composites can be recycled at the end-of-life.”

<a href="https://www.trelleborg.com/en" target="_blank">www.trelleborg.com</a>

Trelleborg Sealing Solutions Germany GmbH 

https://www.tss.trelleborg.com/de

Trelleborg’s enhanced dual-layer bearing with a low-friction modified PEEK layer that reduces friction and increases wear performance for use in bearing, wear ring, and bushing applications.

2022-09-01 Produkt_Trelleborg

issue 05/2025

issue 04/2025

issue 03/2025

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