Researchers at the VTT Technical Research Centre of Finland have developed a technique that can be used to convert lignin – a by-product of pulp mills and biorefineries – into a concrete plasticiser that is competitive against the synthetic and lignosulphonate-based admixtures currently on the market. In its water-soluble form, lignin can also be used as an additive in paints, printing inks, coatings and manufacture of gypsum products.… Login to continue

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