New bio-based PU dispersion from Covestro

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Covestro offers a new aliphatic polyester carbonate-polyether polyurethane (PU) dispersion for textile coatings. Around 34 percent of the carbon it contains is of plant origin.

Impranil CQ DLU expands Covestro's existing range of partially bio-based dispersions for textile coating. As the new dispersion has the same properties as the established product and a high solids content of 55 percent, Impranil DLU can be replaced one-to-one with Impranil CQ DLU in the manufacturing process.

Impranil CQ DLU is suitable for producing synthetic materials for sporting goods, technical textiles, car interiors and bags, among other things. The properties of coatings based on the new high-performance dispersion include excellent hydrolysis resistance, very good light fastness and high tensile and scratch resistance. The coatings are also characterized by their pleasant feel and good resistance to alkalis.

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