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Mobile NIR Spectroscopy Solution Distinguishing PA6 from PA66 at the Push of a Button

Editor: MA Alexander Stark

The BASF subsidiary Trinamix now supports the reliable differentiation between polyamide 6 (PA6) and polyamide 6.6 (PA66) with its Mobile Near-Infrared Spectroscopy Solution.

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Distinguishing PA6 from PA66 at the push of a button with Trinamix Mobile NIR Spectroscopy Solution.
Distinguishing PA6 from PA66 at the push of a button with Trinamix Mobile NIR Spectroscopy Solution.
(Source: BASF/ Trinamix)

Ludwigshafen/Germany — Within seconds, plastic waste from the two polyamides can be sorted using a handy measuring device as part of Trinamix’s solution. With this new application, the company is responding to customer wishes and expands its broad offering for plastic sorting.

PA6 and PA66 belong to the most sought-after engineering plastics. Thanks to their robustness, they are suitable for a wide range of applications — from fishing nets to resilient components. Since PA6 and PA66 have similar properties, they are used interchangeably in numerous applications — and it is virtually impossible to distinguish them with the naked eye. At the same time, the separation of PA6 and PA66 has gained traction in recent years in light of growing requirements within the recycling industry. As a result, the production of high-quality single-grade plastic recyclates — including PA6 and PA66 — is becoming increasingly lucrative.

Besides the recycling industry, plastics processing companies who rely on PA6 and PA66 in their products also benefit from the company's new application. They are now enabled to perform a clean separation of PA6 and PA66 production rejects or waste. In-house recycling processes can thus be geared towards an optimized and more efficient use of valuable resources.

In addition to distinguishing PA6 and PA66, trinamiX Mobile NIR Spectroscopy Solution can already identify all common plastics — from classic polyolefins such as PE and PP, to PET (polyethylene terephthalate) and engineering plastics such as ABS (acrylonitrile butadiene styrene). Recycling companies as well as manufacturers, traders and processors of goods made from recyclate benefit from a flexible and mobile solution that offers user-oriented applications for the sorting of plastic components and packaging materials.

Launched last year, this solution combines robust hardware with intelligent data analysis and a mobile app. NIR spectroscopy is a proven technology that the company has integrated into a portable format for on-site analysis. In doing so, the developer relies on cloud-based data processing, which ensures continuous development of the solution — there is no need to replace hardware.