Polyisocyanates and Prepolymers

Ever since the discovery by Otto Bayer of the polyisocyanate-polyaddition process in 1937,
Bayer – now Covestro – has pioneered polyurethane chemistry. 50 years ago, Bayer – now Covestro – developed the first applications using polyisocyanates for the coatings and adhesives sectors. We work closely with our customers to systematically advance the state of the art in polyurethane technology. Using market-oriented research and development, we specifically adapt our product portfolio to our customers’ increasingly stringent requirements.
Together with you, we want to continue our successful journey along this path.

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