| 摘要 |
PURPOSE:To obtain a resin compsn. for a toner excellent in low temp. fixing property and offset resistance, which hardly causes contamination of white base or fogging in picture images, especially fogging of picture images during running and hardly coagulates. CONSTITUTION:The resin compsn. essentially consists of vinyl copolymers comprising a low mol.wt. polymer component and a high mol.wt. polymer component, and contains 0.01-30wt.% of thermoplastic polyester urethane having >=5000 weight mean mol.wt. |
