prov:value
| - Toner for developing electrostatic images (for example, toner of weight-average particle sizes ranging from 3 to 20 ??m) is produced as follows: a colorant or magnetic powder, a vinyl or non-vinyl thermoplastic resin, a charge control agent, if necessary, and other additives are mixed using a Henschel mixer, a ball mill, or other mixer, then melted and kneaded using a heating roll, a kneader, an e
|