| 摘要 |
<p>PURPOSE: To provide a toner capable of forming an image showing excellent resolution and suitable for a high speed electrophotographic device. CONSTITUTION: This toner consists of a crosslinked polyester imide obtained by the reaction of an unsaturated polyester imide with a free radical initiator and a pigment, and the unsaturated polyester imide has a structure expressed by a formula. In the formula, each of (x) and (y) represents the number of existing random monomer segments and is about 10-10000, R' represents an alkyl group and R represents an alkyl, an oxyalkylene or a polyoxyalkylene group.</p> |
