| 摘要 |
<p>A toner for developing an electrostatic image includes: a binder resin, a colorant and a wax. The toner is designed to have (a) a storage modulus at 100 DEG C (G'100) of 1x10<4> Pa to 5x10<4> Pa, and (b) a storage modulus at 60 DEG C (G'60) and a storage modulus at 70 DEG C (G'70) providing a ratio (G'60/G'70) of at least 30. Because of the rheological properties, the toner shows a good fixability even at a high colorant content and shows an improved fixability immediately after power supply to a fixing device in a cold environment. The binder resin may preferably include a low-modulus component and a high-modulus component. The wax may preferably include a high-melting point wax component and a low-melting point wax component.</p> |
