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Clariant

  • Clariant makes black plastic packaging ‘visible’

     

     

    Clariant makes black plastic packaging ‘visible’

    polymer & packaging news agency - www.ppna.ir

    New Clariant CESA-IR additive masterbatches are now available to make dark plastics visible to the NIR sensors used in automated polymer sorting systems.

    While many companies use black packaging to brand products, the problems it poses in recycling systems has led to calls for black to be phased out. The new masterbatches help to resolve that issue and allows increased recycling rates in Europe and elsewhere.

    The new product range is part of a ‘Design for Recycling’ programme at Clariant. Recognising that recycling is the foundation of a Circular Economy, Clariant Masterbatches and its Packaging Market group, is mobilising resources across the value chain to ensure that an ever-higher percentage of plastic packaging is recycled.

    NIR sensors can discriminate between HDPE, LDPE, PP, PE and various other commonly used polymers in today’s packaging. Unfortunately, the carbon black pigments typically used to make black plastics absorb all or most of the NIR light. As a result, the sorting sensors cannot ‘see’ the black packaging, much less sort one polymer from another.

    Alessandro Dulli, Clariant Masterbatches Global Head of Packaging, said: “As a result of this phenomenon, much of the dark-coloured materials entering the recycling stream have not been recovered. For that reason, many brand owners have been pressured to move away from black for environmental reasons. In close collaboration with these brand companies, and as a leader in sortation technology, Clariant has developed a way to achieve a persuasive black colour in plastics without compromising the essential detectability during recycling process."

    Specific CESA-IR formulations have been developed to enable IR-detectability of black HDPE and LDPE in injection and extrusion blow moulded products; black polypropylene in films and injection moulded products; and black PET and C-PET in sheets and film.

    In testing conducted by Tomra Systems ASA, PP containing carbon black was essentially indistinguishable under NIR radiation from background surfaces such as a conveyor belt.

    However, the same material made using another system including CESA-IR additive masterbatches was readily detectable, with reflectivity levels approaching those of uncoloured PP.

    Clariant’s leaders and partners will attend the ‘Symphony of Collaboration’ K 2019 media event on 17 October at Booth 8A J11.

  • Clariant starts monthly production of 2 million litres of disinfectant in Germany

     

     

     

    Clariant starts monthly production of 2 million litres of disinfectant in Germany

     

    polymer & packaging news agency - www.ppna.ir

    Clariant has started monthly production of 2 million litres of disinfectant at its facilities in Gendorf, Germany.

    This disinfectant is then directly or via repacking partners provided to regional hospitals and other vital institutions in Bavaria, who are currently facing limited availability of this critical product during the COVID-19 outbreak.

    At its facility in Gendorf, Clariant is able to use its available infrastructure to blend the necessary ingredients into disinfectant at a large scale. This allows the company to fulfill close to two-thirds of the monthly target demand of the Bavarian State, which aims for a total of 10 million litres of disinfectants to be produced over the next three months.

    Costs associated with this program are financed by a crisis fund set up by the State of Bavaria, Clariant offered its contribution at cost price.

    “At times like this, it is vital that everyone, be it individuals or companies, contributes in every way possible to reduce the spread of the virus. We at Clariant have the capability to support those working the hardest to protect all of us. Therefore, our employees acted decisively to ensure it was done”, said Hans Bohnen, Chief Operating Officer of Clariant.

    In order to realize the production of such large volumes of disinfectant, Clariant has cooperated with several other companies such as CropEnergies AG.

    The total of 10 million litres would represent approximately 750 ml. of disinfectant for every resident of Bavaria.

    Stephan Trautschold, Head of Operations for Clariant’s Industrial and Consumer Specialties business, added: “Being able to establish production of such large quantities of disinfectant so quickly is an impressive achievement. I am very proud of our entire team at the Gendorf site, Clariant’s service functions and very appreciative of the support from all other partnering companies and the Bavarian authorities. Together we can make a difference by supporting those in need.”

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