| 摘要 |
PURPOSE:To obtain a high-quality image which is stable even in any environment and is free from the unequal presence of a release agent and fogging by forming the particle shape of the resin into an unshaped state. CONSTITUTION:The resin is formed to the unshaped shape. The resin particles are preferably the spherical resin particles obtd. by suspension polymn. or the resin particles which have the spherical state similar to the spherical state of the above-mentioned spherical resin particles and are ground by a mechanical grinding mill or pneumatic grinding mill to the unshaped state. The resin compsn. which contains a high mol. wt. polymer component and low mol. wt. polymer component contg. a crosslinking component and in which both thereof are obtd. by polymerizing >=1 kinds of the monomers selected from styrenes, acrylic acids, methacrylic acids, and the derivatives thereof, are more preferable in terms of developing characteristics, electrostatic charge characteristics, etc. The high-quality image which is stable in any environment and is free from the unequal presence of the release agent and fogging is obtd. in this way. |
