issue 09/2021

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Additives manufacturer Milliken has developed viscosity modifiers specifically for recycled polypropylene (rPP). The products, called DeltaFlow, improve the flow behavior of rPP for extrusion and injection molding processes, according to the company.

Kunststoff Werkstoffe

Kunststoff-Recycling

Additive

Improved Processing of Recycled PP

The plastics industry has a variety of materials and technologies available for significantly reducing the ecological footprint of products. There are very few applications for which it is not possible to replace at least a portion of the fossil material with recyclates or bioplastics. Various methods, standards and software tools are available to determine what savings this can achieve.

Determining CO<sub>2</sub> Savings from Recycled Materials and Bioplastics

Recycling

Normen / Standards

Biokunststoffe

Kunststoff-Rezyklat

Reducing the CO<sub>2</sub> Footprint

Even where conveying a material from A to B is not trivial: the challenges to materials handling are arising from digitalization.

Trend Report on State-of-the-Art Material Handling

Schröder, Susanne

Wiederaufbereitung

Kunststoff-Aufbereitung

Materialhandling

Aufbereitungsmaschinen

When the Silo and the Hopper Talk to One Another

Sustainability is the megatrend of our times. And the hype surrounding the circular economy is not mere utopia, it is a realistic goal.

Recyclable Mono-Material Composites and rPET in Direct Food Contact

Flachfolienanlagen

Blasfolienextrusion

Kreislaufwirtschaft

Next Goal: Circular Economy

Interview with Thorsten Kühmann, Managing Director of Plastics and Rubber Machinery within the VDMA, and Ingemar Bühler, Chief Executive Officer of PlasticsEurope Deutschland.

Digitale Transformation

Kunststoffverarbeitung: Maschinen und Komponenten

“Digitalization Will Make Products Transparent”

With the Sortex A GlowVision sorting solution, Switzerland-based Bühler AG introduces a 4-in-1’ optical sorting solution that can be used for simultaneous color, polymer, foreign material and loose-label sorting.

Sorting Solution for Bottle-to-Bottle and Food Applications

4-in-1 Sorter for PET Recyclers

At Fakuma, Granula presents masterbatches specially tailored to more sustainable plastic products. For this purpose, the company has developed grades with biological pigments and degradable additives for injection molding and extrusion.

Masterbatches

Farbstoffe und Pigmente

Messe Fakuma

Farbkonzentrate (Batches)

Farbstoffe

Bio- and PCR-Based Masterbatches

Over past months, many in-house workflows and development processes have slowed down and also changed. Nevertheless, time has not stood still, also not in injection molding technology. The debate and development have been shaped by two themes: digitalization and the circular economy. Below are some examples of developments and projects that underpin this trend.

Innovative Injection Molding in Times of Pandemic

Spritzgießen

Schaumspritzgießen

Künstliche Intelligenz für die Qualitätssicherung

Steuern, Regeln

Mehrkomponenten-Spritzgießen

Folientechnik (IMD, IML, FIM, u.a.)

Spritzgießwerkzeuge

Spritzgieß-Sonderverfahren

Nachhaltigkeit

Spritzgießsimulation

Schnecken und Plastifiziersysteme

Industrie 4.0 für die Kunststoffverarbeitung

Machine Learning / Künstliche Intelligenz für die spanende Fertigung

Spritzgießmaschinen

Lasermarkieren

Inline- / Online-Messsysteme

There Is More beyond the Horizon

Both the quantity of recycled plastics waste and of processed recyclates is continually increasing. However, there are still difficulties with the quality of the recycled plastics, which are impeding replacement of virgin material. In recent years, machinery manufacturers and plastics producers have introduced various further developments that improve the properties of recyclates as well as eliminate unpleasant odors and contaminants.

Overcoming Difficulties in Plastics Recycling

Streifinger, Florian

Extruder

Trockner

Waschen und Entfetten

Trockner, Granulat-

Sortierer

Extrusionsanlagen

Inspektion, Analyse und Sortierung von Rohmaterial

The Long Road to a Circular Economy

Compounder Mocom will be showcasing products made from 100  % post-consumer recycled materials (PCR) at the Fakuma.

Compound

Automotive

Compoundeure

Made Entirely from PCR

Lindner, one of the leading manufacturers of shredders, system solutions and industrial washing systems for plastics recycling, is presenting a new hot-wash system for recycling PET, as well as a new premium shredder.

PET Hot-Wash System and Premium Shredder

The circular economy and more sustainable additives are the focus of AF Color’s Fakuma presence this year.

Polyamide

Hochleistungskunststoffe

Biobased Additives and Orange for PA

Together with the University of Applied Sciences Magdeburg-Stendal, Germany, MultiPet GmbH is researching into injection-moldable blends that can be used to produce high-quality multi structured injection-molded parts from mixed PET.

Production of Injection-Moldable PET-Blends from Mixed Plastic Fractions

Polyethylenterephthalat

rPET Blends for High Standards

In the research project “UPcyclePET”, and together with Easicomp GmbH, Fraunhofer LBF developed a new material that had to prove its qualities in practical tests.

New Compound Materials for Durable Technical Applications

Verbundwerkstoffe / Werkstoffverbunde

Sustainable Components from PET Flakes

Pure Loop, an Erema Group company, will present its Isec evo series at Fakuma. This shredder-extruder combination is rapidly becoming established as an efficient recycling solution in injection molding production thanks to its high flexibility in processing different materials, simple operation and low maintenance requirements.

A Shredder-Extruder Combination as a Recycling Solution in Injection Molding Production

Sustainable development is the focus of the Israeli company Tosaf’s trade show presence. The company presents functional, color and combined masterbatches for processing by extrusion and injection molding. These will include color masterbatches for recyclates with a special focus on post-consumer plastics as well as biodegradable masterbatches.

Elektromobilität

Masterbatches for Current Trends

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.

Thermoplastische Elastomere

TPE Compounds with Recycled Content

This time around, polymers distributor Albis will be focusing on sustainable products and will be presenting materials based on recycled products or renewable resources aimed at various industrial sectors.

All Things Sustainable

The circular economy, electromobility and the continuing corona pandemic are influencing color selection for plastics. Kunststoffe asked colorant manufacturers about the resulting color trends. We also wanted to know what effects the increased use of recyclates is having and the extent to which manufacturers are affected by the present supply bottlenecks.

Trend Report on the Coloration of Plastics

Kunststoff

Farben, flüssig

Colored Mood Enhancers

Those in charge at Engel are convinced: Digitalization is not just a technical issue, it is also a mental hurdle, and sustainability is a lot more than hype. At the live e-symposium 2021 from June 22nd to 24th, 2021, the supplier of injection molding systems bridged the gap between the two megatrends of our time. And showed how the one can help jump-start the other.

How the Stiff Requirements for Sustainable Injection Molding Can Be Mastered

Doriat, Clemens, Dr.

Digitalization Is the Key

The plastics industry is currently struggling to raise its profile with positive headlines. The Kunststoffe editorial team discussed the present status of the plastics industry with representatives from industry, universities, and trade associations. Besides topics such as recycling and sustainability, the main focus was on recruiting young talent and the image issue.

Educational Work between Political Demands and Corporate Objectives

Strategie und Organisation

“Plastics Experts are the Solution –  Not the Problem!”

Polymaker will offer the Polymaker PC-r 3D printing filament made from recycled polycarbonate (PC). The PC for the filaments comes from materials supplier Covestro and consists of a combination of recycled plastic waste and virgin material.

Technische Kunststoffe

Filamente für additive Verfahren

Additive Fertigung

Polycarbonat

Water Bottles Become Filaments

In an online survey, representatives of the plastics industry formulated their expectations toward the Plastics Innovation Center 4.0 (PIC 4.0).

Part 5 of the Series: Practical Demonstrators for the Plastics Innovation Center 4.0

Industrie 4.0 für die Qualitätssicherung

Messdatenerfassung und -verarbeitung

Prozessoptimierung

Machine Learning

Automatisierungstechnik

Datenanalyse

Focus on the User Benefit

Two new models of the Eco product family from Ettlinger take into account the need for systems with a higher product throughput.

Schmelzefilter

High Performance Melt Filters for Higher Throughputs

With a new process, Engel makes it possible to process plastic waste as flakes in injection molding directly after grinding. Since a complete process step, pelletizing, is eliminated, the innovation significantly improves cost efficiency in plastics recycling.

Processing Plastic Flakes Directly

Chilean plastics recycler Comberplast uses the new 1500 model from the Lindner Micromat series to shred old fishing nets and ropes collected from Patagonian coasts.

Cleaning up Coasts at the Edge of the World