Development of New Solid-micro-capsuled Toner

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  • 新規ソリッドマイクロカプセルトナーの開発
  • シンキ ソリッドマイクロカプセルトナー ノ カイハツ

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<p>In recent years, the low temperature fixation toners are required. Toners synthesized by the wet chemical methods are excellent in low temperature fixability and storage stability. Even in the kneading pulverization method, some low temperature fixing toners comparable to the wet chemical method toners have appeared, but the superiority of the chemical method toners are still high. However, some chemical method toners using polyester resins as the material used solvents for the production process, and furthermore, since it requires a large amount of water to remove the surfactant, it places a heavy load on the environment. If use wet process only for encapsulation process in the toner manufacturing process that can be reduced water and the burden of environmental. Moreover, we made a hypothesis that it would be possible to achieve both low temperature fixability and storage stability at a high level if the toner surface can be covered with high melting point and thin thickness film does not inhibit the low-temperature fixability. We have devised a method for producing solid microcapsule toner that forms a thin film on the surface of toner mother particles prepared by the kneading pulverization method by using a chemical method without any solvent and succeeded in commercialization. In this explanation, we report on this manufacturing method and verification results of assumed toner characteristics</p>

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