| abstract |
The invention relates to a process for preparing a masterbatch, the process comprising compacting a feedstock into pellets, wherein the feedstock comprises waste toner powder. The masterbatch may be used in a method for colouring a thermoplastic polymer, the method comprising melt mixing the thermoplastic polymer with the masterbatch. The invention further relates to a masterbatch in the form of pellets comprising greater than 80 weight percent of waste toner powder. |