24 PRODUCTS & SERVICES


Sustainable optical brightening agent launched


paper, has been launched by Switzerland-based Archroma. With food-contact approval


A


by the US Food and Drug Administration, Leucophor AFCN liq has been developed to meet the need for food containers made from renewable sources, such as paper and board. Leucophor AFCN liq was designed: • with approval for use in food-


contact paper and paperboard under FDA Food Contact Notification 1921, which became effective on 9 November 2018. • for stock application and for use in coating formulations that contain polyvinyl alcohol (PVOH), carboxymethyl cellulose (CMC) or casein as a secondary binder. • as a disulphonated OBA, with a characteristically high substantivity


in the wet-end delivering the paper maker cost savings through the ability to make more rapid grade changes. “There is a fast-growing demand for food packaging made with paper and board, and our Leucophor AFCN liquid OBA has been developed to help


manufacturers to respond to that demand,” said Archroma’s Andrew Jackson.


“Complementing our FDA-


compliant tetrasulphonated OBAs and shading colourants, Leucophor AFCN liquid provides our customers with greater flexibility to produce attractive,


white, paper-based packaging and containers for food applications. Because it’s our nature.” More information from


Archroma Coatings, Adhesives & Sealants, Neuhofstrasse 11, 4153 Reinach, Switzerland. Tel: 41 61 716 3400. Website: www. archroma.com


Software tool for monitoring environmental loading


A software tool for on-line life cycle assessment that offers information to the operators of paper and tissue machines, or complete mills, is under development by Finland’s VTT Technical Research Centre. The software measures the impact of operational procedures on product-based environmental loading so that the operation’s carbon footprint can be monitored. VTT says: “Climate change and


increasing shortages of natural resources are encouraging


January/February 2019


business enterprises to clarify how their products and services are burdening the environment throughout their entire life cycle. Methods include the calculation of carbon footprints, acidification or eutrophication of waterways, use of fossil raw materials and rare minerals, and nitrogen and sulphur emissions. However, the means to understand the environmental impacts of emissions caused during production on a real time basis are still inadequate.” The project is funded by the EU as part of its Horizon


2020 research and innovation programme. There are several advantages


to monitoring production-based environmental impacts in real time. Not only can processes be optimised more precisely, but all employees participating in the control process can also see the effects of their decisions. For example, the operator of a paper machine can see, in real time, how its operation impacts its carbon footprint. VTT is developing an on-line LCA software tool that provides data


to the operators of production equipment, a process section or an entire plant concerning the impacts of procedures on production- and product-based environmental loading. The system also takes the


procurement of raw materials into consideration in the life cycle assessment. More information from VTT


Technical Research Centre of Finland Ltd. Tel: 358 40 829 8982. Contact senior scientist Jouni Savolainen by email at jouni. savolainen@vtt.fi


new optical brightening agent (OBA), especially designed for food packaging and


Pulp Paper & Logistics


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