Pulp Paper & Logistics


PRODUCTS & SERVICES 23


Heat-seal coating that is recyclable helps switch from plastics


packaging products produced by Henkel.


A The Loctite Liofol HS 2809-22 RE


coating heat seals to both paper and itself and is said to set new standards for repulpability, food safety and flexibility of the paper. It is also intended to maintain the highest levels of sealability when being processed at high machine speeds, significantly increasing performance. “The design of packaging highly


influences its recyclability,” says Henkel’s Brian Stephenson. “Our


heat-seal coating for paper that is certified as recyclable has expanded the range of


goal is to bring a new perspective into the process: We want to rethink how packaging is made from the very beginning. “Loctite Liofol HS 2809-22 RE opens up new and sustainable design possibilities by enabling to replace PE with paper in a wide range of primary and secondary packaging applications for both food and nonfood.” The coating’s application range is wide: from hygiene products and tea bags to industrial hardware pouches and chocolate overwrap, supporting the transition from PE packages to paper-based ones, says Henkel.


HS 2809-22 RE is compatible with


Henkel’s Loctite Liofol recyclable heat-seal coating is being used for the paper packaging on Sofidel’s Regina toilet paper


any type of ink and has a good flexibility to paper substrates, tested by independent institutes confirming its good fit for paper packaging. It is suitable for both food and non-food applications.


Autonomous operation for latest BlueLine disperger


A new disperger with hydraulic gap adjustment has been added to Voith’s BlueLine stock preparation range for producing high-quality raw fibre based on recovered paper. The gap adjustment in the


InfibraDisp disperger is infinitely variable with an automated zero-point. The smart control unit enables filling wear to be monitored and prevents plate contact with vibration sensors. In dispersion, bothersome particles and inks are separated from the fibres and milled to a size suitable for further processing. The newly developed disperger is said to achieve increases in strength of up to 25 per cent and prepares the fibre structures for subsequent starch application.


Voith latest disperger features hydraulic gap control and smart connection


The hydraulic gap adjustment can be made at any time by means of a control panel directly on the machine. Susana Fernández-Carrión, stock


preparation plants manager at Saica in Saragossa, Spain, says: “The hydraulic system of the new InfibraDisp disperger allows us to perform a precise ‘zero- point’ adjustment after the plate change by just pressing a single


button. This eliminates the need for manual intervention on the disperger itself.” The fully automatic zero-


point detection is initiated by the operator and then runs autonomously. The feed screw is driven by the main drive resulting in a homogeneous and continuous stock feed to the filling; blockages are prevented and performance


fluctuations occurring during the dispersion process are minimised. “The new system for measuring filling wear will allow us to improve the monitoring of fillings throughout their life cycle, to compare the wear between different fillings or with different raw materials and to detect abnormalities even before a planned shutdown,” says Fernández-Carrión.


July/August 2020


The coating has been used by tissue manufacturer Sofidel for its Regina toilet paper, replacing PE film wrap with paper. The coating is now used as the heat seal grade for Sofidel’s recyclable toilet paper packaging and considered for all new packaging developments in paper. “We are extremely pleased with


the collaboration and support from Henkel. Their innovative solution and unique approach to problem solving have made our aim of creating a more sustainable primary packaging for our products a reality,” says Marco Iriti, research & development manager at Sofidel.


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