New Commerical Process for Production of Mineral/Microfibrillated Cellulose Composite Materials Exhibits Great Flexibility, PaperCon 2016

When pulp and minerals are co-ground in aqueous suspension, the mineral acts as a grinding aid facilitating the cost effective production of fibrils. Furthermore, this processing allows the utilisation of robust, industrial milling equipment. Mineral/ microfibrillated cellulose composite materials produced in this manner have been commercialised under the trade name, FiberLean®. We have 8000 tonnes per annum of mineral/ MFC composite- based fibril production capacity in operation and under construction across 3 continents. Our mineral/ MFC composite product has been cleared by the FDA for use as a dry and wet strength agent in coated and uncoated food contact paper and paperboard applications.

We have previously reported (TAPPI Nano 2014 & 2015) that use of these mineral/ microfibrillated cellulose composite materials in fiber-based applications allow generally improved wet and dry mechanical properties with concomitant opportunities for cost savings, property improvements or grade developments.

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