The use of TPE materials with recycled content increases the sustainability of vehicles. They are also used more and more in the interior.

The selection of high-quality recyclate enables their use in demanding automotive applications.  

16:9

Recyclate Reduce the CO2 Footprint in Seals and Interior Applications

Thermoplastische Elastomere

Kunststoff Werkstoffe

Thermoplaste

Kunststoff-Recycling

Kunststoffverarbeitung: Verfahren

Kunststoff-Aufbereitung

Kunststoff-Rezyklat

Kreislaufwirtschaft

Soft, Elastic and Recycled

Automakers have formulated ambitious plans for their vehicles. We discussed this topic with Frank Schumann from Trinseo.

Batterien

Energiespeicherung

Elektromobilität

Mobilität

Lichttechnik

“Nothing Speaks against the Use of Recyclates for Demanding Components”

The quality of recyclates can be improved very well by means of suitable additives. An overview of the variety of products and their suppliers.

Overview: Additives for Plastic Recyclates

Stabilisatoren

Additive

Vitamins for the Circular Economy

The quality of recyclates is seen as too low. Improvements are possible by using additives, as was shown by the exchanges during the Forum Plastic Recyclates.

Quite clearly, the central theme of this year’s conference  was additives for recycling materials.

Streifinger, Florian

Recycling

Umweltmanagement

Additives Are Decisive

Crosslinked plastics cannot be recycled mechanically in the conventional way. A consortium has now succeeded in chemically recycling PE-X.

Chemical recycling can also be used to reprocess plastic waste that is difficult to recycle, such as crosslinked polymers.

Polyethylen

Kunststoff-Rohre

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Crosslinked But Still Recycled

Metal-effect pigments make for attractive designs, but they cause problems with recycling. These can be resolved with a special silver pigment.

Plastic products with a metal-effect finish are attractive. However, the effect pigments make recycling difficult.

Pigmente

Farbstoffe und Pigmente

Effektpigmente

A Silver Lining for Recycling

In general, recycled chocolate molds of PC do not meet the food contact requirements. A new recycling strategy is to provide a remedy.

Polycarbonate is frequently used for molds in chocolate production.

Polycarbonat

The Chocolate Side of Polycarbonate

The stabilization of used plastics is costly. Online measurement during compounding allows for stabilization directly in production.

Plastic waste often has a very different stabilizer content. This must be precisely determined in the recycling process. 

Determined Online, Recyclate Wins

TotalEnergies has joined Nextloopp, an initiative bringing together 47 companies from the plastics value chain that aims to create food-grade recycled polymer from advanced mechanical recycling.

Verbände, Institutionen, Messen

Dienstleistungen

Nextloopp Welcomes TotalEnergies

Interview with David Katz, Founder of Plastic Bank

Plastic Bank promotes recycling in developing countries, thereby combating poverty.

“We Must Show that Circularity Benefits Everyone“

Plastics Recycling Show Europe expands into second hall, visitor registration for the free-to-attend event is now open.

At the Plastics Recycling Show Europe in 2022.

Plastics Recycling Show Europe: Visitor Registration Is Now Open

The Alpla Group can look back on a successful financial year 2022 in spite of the crisis. Sales of 5.1 billion euros exceeded the previous year’s figure by 27.5 percent.

The packaging specialist will continue to expand its production capacity in injection molding over the coming years.

Verpackungsmittel aus Kunststoffen

Kunststoffverarbeitung

Verpackungstechnik

Logistik

Alpla Achieves Sales Record

Santa Barbara County’s Resource Center efficiently sorts both municipal solid waste and single stream using the same circuit with Tomra‘s Autosort units to successfully reduce landfilling.

The Santa Barbara County Resource Center converts commercial and residential waste into recyclables by recovering recyclable materials, converting organics into landscape nutrients, and generating renewable energy in the process.

Sortierer

Kunststoffverarbeitung: Maschinen und Komponenten

Quick-Change Mixed Waste Processing

Berry Global and Werner & Mertz receive the WorldStar Packaging Award 2023.

The design of the head follows a mono-material approach, with over 97% of it produced in polypropylene.

Verpackungsmaterial

International Award for Sustainable Sprayer Design

Evonik is pooling its expertise and integrating its alcoholates business into the Catalysts Business Line.

Chemie

Naturwissenschaften

Unternehmen

kunststoffe.de

Expansion of The Catalysts Business Line

Closed-Loop Recycling System for Carbon Fiber

Asahi Kasei, Kitakyushu College and Tokyo University of Science have developed a new technology for recycling carbon fiber plastic compounds.

Asahi Kasei has developed an electrolyzed sulfuric acid solution method for recycling carbon fiber plastic compounds together with the National Institute of Technology, Kitakyushu College and Tokyo University of Science.

Carbon fiber-reinforced plastics (CFRP) are highly attractive for various industries in demanding application fields due to their unique balance of rigidity, mechanical strength and light weight – also compared with conventional glass fiber reinforced plastics. However, CFRPs are expensive and challenging from a recycling perspective, as it is difficult to extract the carbon fibers from the resin after usage.

Together with its project partners at the National Institute of Technology at Kitakyushu College and the Tokyo University of Science, Asahi Kasei has developed a recycling method that allows carbon fibers to be extracted from CFRP or carbon fiber-reinforced thermoplastics (CFRTP) used in automobiles. This results in high-quality, inexpensive continuous carbon fiber that can be recycled perpetually, contributing to circular economy.

Electrolyzed Sulfuric Acid Solution Method

Asahi Kasei has developed an electrolyzed sulfuric acid solution method that allows the carbon fiber to retain its original strength and continuous nature while fully decomposing the resin the carbon fiber is embedded in. This allows for its continued use in high-performance applications and presents an inexpensive, circular solution to the end-of-life dilemma of carbon fiber plastic compounds. Thus, these carbon fiber compounds present in vehicles for weight reduction. As stated in a press release, it can be easily and inexpensively be broken down at end-of-vehicle-life and reapplied to new vehicles in the future.

In addition, Asahi Kasei is developing a carbon fiber-reinforced thermoplastic unidirectional tape (CFRTP-UD tape) that utilizes both recycled continuous carbon fiber and the company’s Leona polyamide resin. Boasting a higher strength than metal, this CFRTP-UD tape can be applied to automobile frames and bodies, further enabling the recycling of end-of-vehicle-life parts into different, new automobile parts. According to Asahi Kasei, this presents a solution to the long-term challenge that carbon fiber usage for vehicles has posed on the industry and is expected to economically benefit and strengthen carbon fiber’s usage within the automobile industry on a global scale.

Asahi Kasei Corporation  

https://www.asaha-kasei.co.jp

Schematic representation of the new recycling method.

2023-02-02 Asahi Kasei

Kohlenstofffasern / -matten

Verstärkungsstoffe

issue 07/2023

issue 06/2023

issue 05/2023

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