Clariant launches environmentally focused optical brighteners
June 3, 2013 Clariant launched the world’s most highly concentrated, urea-free liquid optical brightening agent (OBA) for printing and writing papers. New disulphonated Leucophor® ACK contains no environmentally harmful additives, decreases OBA requirements for papermakers, and lowers transport costs and carbon footprint. Leucophor ACK is an ultra-concentrated aqueous solution specially......