| abstract |
The present invention relates to a coating composition for coating paper or paperboard, the composition comprising: a pigment, a binder, an optical brightening agent (OBA), a colorant, and a sugar alcohol, and to using at least one layer of the Coating composition coated paper or paperboard. The present invention further relates to a process for preparing said coating composition, and to an OBA premix useful in the process for preparing coating composition, said premix comprising OBA, a sugar alcohol and optionally a colorant, wherein based on the premix The OBA and the sugar alcohol together constitute at least 10% by weight, preferably at least 20% by weight, based on the total weight of solids in the mixture. |